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git/t/t3200-branch.sh
Tao Klerks bdaf1dfae7 branch: new autosetupmerge option 'simple' for matching branches 
With the default push.default option, "simple", beginners are
protected from accidentally pushing to the "wrong" branch in
centralized workflows: if the remote tracking branch they would push
to does not have the same name as the local branch, and they try to do
a "default push", they get an error and explanation with options.

There is a particular centralized workflow where this often happens:
a user branches to a new local topic branch from an existing
remote branch, eg with "checkout -b feature1 origin/master". With
the default branch.autosetupmerge configuration (value "true"), git
will automatically add origin/master as the upstream tracking branch.

When the user pushes with a default "git push", with the intention of
pushing their (new) topic branch to the remote, they get an error, and
(amongst other things) a suggestion to run "git push origin HEAD".

If they follow this suggestion the push succeeds, but on subsequent
default pushes they continue to get an error - so eventually they
figure out to add "-u" to change the tracking branch, or they spelunk
the push.default config doc as proposed and set it to "current", or
some GUI tooling does one or the other of these things for them.

When one of their coworkers later works on the same topic branch,
they don't get any of that "weirdness". They just "git checkout
feature1" and everything works exactly as they expect, with the shared
remote branch set up as remote tracking branch, and push and pull
working out of the box.

The "stable state" for this way of working is that local branches have
the same-name remote tracking branch (origin/feature1 in this
example), and multiple people can work on that remote feature branch
at the same time, trusting "git pull" to merge or rebase as required
for them to be able to push their interim changes to that same feature
branch on that same remote.

(merging from the upstream "master" branch, and merging back to it,
are separate more involved processes in this flow).

There is a problem in this flow/way of working, however, which is that
the first user, when they first branched from origin/master, ended up
with the "wrong" remote tracking branch (different from the stable
state). For a while, before they pushed (and maybe longer, if they
don't use -u/--set-upstream), their "git pull" wasn't getting other
users' changes to the feature branch - it was getting any changes from
the remote "master" branch instead (a completely different class of
changes!)

An experienced git user might say "well yeah, that's what it means to
have the remote tracking branch set to origin/master!" - but the
original user above didn't *ask* to have the remote master branch
added as remote tracking branch - that just happened automatically
when they branched their feature branch. They didn't necessarily even
notice or understand the meaning of the "set up to track 'origin/master'"
message when they created the branch - especially if they are using a
GUI.

Looking at how to fix this, you might think "OK, so disable auto setup
of remote tracking - set branch.autosetupmerge to false" - but that
will inconvenience the *second* user in this story - the one who just
wanted to start working on the topic branch. The first and second
users swap roles at different points in time of course - they should
both have a sane configuration that does the right thing in both
situations.

Make this "branches have the same name locally as on the remote"
workflow less painful / more obvious by introducing a new
branch.autosetupmerge option called "simple", to match the same-name
"push.default" option that makes similar assumptions.

This new option automatically sets up tracking in a *subset* of the
current default situations: when the original ref is a remote tracking
branch *and* has the same branch name on the remote (as the new local
branch name).

Update the error displayed when the 'push.default=simple' configuration
rejects a mismatching-upstream-name default push, to offer this new
branch.autosetupmerge option that will prevent this class of error.

With this new configuration, in the example situation above, the first
user does *not* get origin/master set up as the tracking branch for
the new local branch. If they "git pull" in their new local-only
branch, they get an error explaining there is no upstream branch -
which makes sense and is helpful. If they "git push", they get an
error explaining how to push *and* suggesting they specify
--set-upstream - which is exactly the right thing to do for them.

This new option is likely not appropriate for users intentionally
implementing a "triangular workflow" with a shared upstream tracking
branch, that they "git pull" in and a "private" feature branch that
they push/force-push to just for remote safe-keeping until they are
ready to push up to the shared branch explicitly/separately. Such
users are likely to prefer keeping the current default
merge.autosetupmerge=true behavior, and change their push.default to
"current".

Also extend the existing branch tests with three new cases testing
this option - the obvious matching-name and non-matching-name cases,
and also a non-matching-ref-type case. The matching-name case needs to
temporarily create an independent repo to fetch from, as the general
strategy of using the local repo as the remote in these tests
precludes locally branching with the same name as in the "remote".

Signed-off-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-04-29 11:20:55 -07:00

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#!/bin/sh
#
# Copyright (c) 2005 Amos Waterland
#
test_description='git branch assorted tests'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh
test_expect_success 'prepare a trivial repository' '
echo Hello >A &&
git update-index --add A &&
git commit -m "Initial commit." &&
git branch -M main &&
echo World >>A &&
git update-index --add A &&
git commit -m "Second commit." &&
HEAD=$(git rev-parse --verify HEAD)
'
test_expect_success 'git branch --help should not have created a bogus branch' '
test_might_fail git branch --man --help </dev/null >/dev/null 2>&1 &&
test_path_is_missing .git/refs/heads/--help
'
test_expect_success 'branch -h in broken repository' '
mkdir broken &&
(
cd broken &&
git init -b main &&
>.git/refs/heads/main &&
test_expect_code 129 git branch -h >usage 2>&1
) &&
test_i18ngrep "[Uu]sage" broken/usage
'
test_expect_success 'git branch abc should create a branch' '
git branch abc && test_path_is_file .git/refs/heads/abc
'
test_expect_success 'git branch abc should fail when abc exists' '
test_must_fail git branch abc
'
test_expect_success 'git branch --force abc should fail when abc is checked out' '
test_when_finished git switch main &&
git switch abc &&
test_must_fail git branch --force abc HEAD~1
'
test_expect_success 'git branch --force abc should succeed when abc exists' '
git rev-parse HEAD~1 >expect &&
git branch --force abc HEAD~1 &&
git rev-parse abc >actual &&
test_cmp expect actual
'
test_expect_success 'git branch a/b/c should create a branch' '
git branch a/b/c && test_path_is_file .git/refs/heads/a/b/c
'
test_expect_success 'git branch mb main... should create a branch' '
git branch mb main... && test_path_is_file .git/refs/heads/mb
'
test_expect_success 'git branch HEAD should fail' '
test_must_fail git branch HEAD
'
cat >expect <<EOF
$ZERO_OID $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from main
EOF
test_expect_success 'git branch --create-reflog d/e/f should create a branch and a log' '
GIT_COMMITTER_DATE="2005-05-26 23:30" \
git -c core.logallrefupdates=false branch --create-reflog d/e/f &&
test_path_is_file .git/refs/heads/d/e/f &&
test_path_is_file .git/logs/refs/heads/d/e/f &&
test_cmp expect .git/logs/refs/heads/d/e/f
'
test_expect_success 'git branch -d d/e/f should delete a branch and a log' '
git branch -d d/e/f &&
test_path_is_missing .git/refs/heads/d/e/f &&
test_must_fail git reflog exists refs/heads/d/e/f
'
test_expect_success 'git branch j/k should work after branch j has been deleted' '
git branch j &&
git branch -d j &&
git branch j/k
'
test_expect_success 'git branch l should work after branch l/m has been deleted' '
git branch l/m &&
git branch -d l/m &&
git branch l
'
test_expect_success 'git branch -m dumps usage' '
test_expect_code 128 git branch -m 2>err &&
test_i18ngrep "branch name required" err
'
test_expect_success 'git branch -m m broken_symref should work' '
test_when_finished "git branch -D broken_symref" &&
git branch --create-reflog m &&
git symbolic-ref refs/heads/broken_symref refs/heads/i_am_broken &&
git branch -m m broken_symref &&
git reflog exists refs/heads/broken_symref &&
test_must_fail git reflog exists refs/heads/i_am_broken
'
test_expect_success 'git branch -m m m/m should work' '
git branch --create-reflog m &&
git branch -m m m/m &&
git reflog exists refs/heads/m/m
'
test_expect_success 'git branch -m n/n n should work' '
git branch --create-reflog n/n &&
git branch -m n/n n &&
git reflog exists refs/heads/n
'
# The topmost entry in reflog for branch bbb is about branch creation.
# Hence, we compare bbb@{1} (instead of bbb@{0}) with aaa@{0}.
test_expect_success 'git branch -m bbb should rename checked out branch' '
test_when_finished git branch -D bbb &&
test_when_finished git checkout main &&
git checkout -b aaa &&
git commit --allow-empty -m "a new commit" &&
git rev-parse aaa@{0} >expect &&
git branch -m bbb &&
git rev-parse bbb@{1} >actual &&
test_cmp expect actual &&
git symbolic-ref HEAD >actual &&
echo refs/heads/bbb >expect &&
test_cmp expect actual
'
test_expect_success 'renaming checked out branch works with d/f conflict' '
test_when_finished "git branch -D foo/bar || git branch -D foo" &&
test_when_finished git checkout main &&
git checkout -b foo &&
git branch -m foo/bar &&
git symbolic-ref HEAD >actual &&
echo refs/heads/foo/bar >expect &&
test_cmp expect actual
'
test_expect_success 'git branch -m o/o o should fail when o/p exists' '
git branch o/o &&
git branch o/p &&
test_must_fail git branch -m o/o o
'
test_expect_success 'git branch -m o/q o/p should fail when o/p exists' '
git branch o/q &&
test_must_fail git branch -m o/q o/p
'
test_expect_success 'git branch -M o/q o/p should work when o/p exists' '
git branch -M o/q o/p
'
test_expect_success 'git branch -m -f o/q o/p should work when o/p exists' '
git branch o/q &&
git branch -m -f o/q o/p
'
test_expect_success 'git branch -m q r/q should fail when r exists' '
git branch q &&
git branch r &&
test_must_fail git branch -m q r/q
'
test_expect_success 'git branch -M foo bar should fail when bar is checked out' '
git branch bar &&
git checkout -b foo &&
test_must_fail git branch -M bar foo
'
test_expect_success 'git branch -M foo bar should fail when bar is checked out in worktree' '
git branch -f bar &&
test_when_finished "git worktree remove wt && git branch -D wt" &&
git worktree add wt &&
test_must_fail git branch -M bar wt
'
test_expect_success 'git branch -M baz bam should succeed when baz is checked out' '
git checkout -b baz &&
git branch bam &&
git branch -M baz bam &&
test $(git rev-parse --abbrev-ref HEAD) = bam
'
test_expect_success 'git branch -M baz bam should add entries to .git/logs/HEAD' '
msg="Branch: renamed refs/heads/baz to refs/heads/bam" &&
grep " 0\{40\}.*$msg$" .git/logs/HEAD &&
grep "^0\{40\}.*$msg$" .git/logs/HEAD
'
test_expect_success 'git branch -M should leave orphaned HEAD alone' '
git init -b main orphan &&
(
cd orphan &&
test_commit initial &&
git checkout --orphan lonely &&
grep lonely .git/HEAD &&
test_path_is_missing .git/refs/head/lonely &&
git branch -M main mistress &&
grep lonely .git/HEAD
)
'
test_expect_success 'resulting reflog can be shown by log -g' '
oid=$(git rev-parse HEAD) &&
cat >expect <<-EOF &&
HEAD@{0} $oid $msg
HEAD@{2} $oid checkout: moving from foo to baz
EOF
git log -g --format="%gd %H %gs" -2 HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'git branch -M baz bam should succeed when baz is checked out as linked working tree' '
git checkout main &&
git worktree add -b baz bazdir &&
git worktree add -f bazdir2 baz &&
git branch -M baz bam &&
test $(git -C bazdir rev-parse --abbrev-ref HEAD) = bam &&
test $(git -C bazdir2 rev-parse --abbrev-ref HEAD) = bam &&
rm -r bazdir bazdir2 &&
git worktree prune
'
test_expect_success 'git branch -M baz bam should succeed within a worktree in which baz is checked out' '
git checkout -b baz &&
git worktree add -f bazdir baz &&
(
cd bazdir &&
git branch -M baz bam &&
test $(git rev-parse --abbrev-ref HEAD) = bam
) &&
test $(git rev-parse --abbrev-ref HEAD) = bam &&
rm -r bazdir &&
git worktree prune
'
test_expect_success 'git branch -M main should work when main is checked out' '
git checkout main &&
git branch -M main
'
test_expect_success 'git branch -M main main should work when main is checked out' '
git checkout main &&
git branch -M main main
'
test_expect_success 'git branch -M topic topic should work when main is checked out' '
git checkout main &&
git branch topic &&
git branch -M topic topic
'
test_expect_success 'git branch -v -d t should work' '
git branch t &&
git rev-parse --verify refs/heads/t &&
git branch -v -d t &&
test_must_fail git rev-parse --verify refs/heads/t
'
test_expect_success 'git branch -v -m t s should work' '
git branch t &&
git rev-parse --verify refs/heads/t &&
git branch -v -m t s &&
test_must_fail git rev-parse --verify refs/heads/t &&
git rev-parse --verify refs/heads/s &&
git branch -d s
'
test_expect_success 'git branch -m -d t s should fail' '
git branch t &&
git rev-parse refs/heads/t &&
test_must_fail git branch -m -d t s &&
git branch -d t &&
test_must_fail git rev-parse refs/heads/t
'
test_expect_success 'git branch --list -d t should fail' '
git branch t &&
git rev-parse refs/heads/t &&
test_must_fail git branch --list -d t &&
git branch -d t &&
test_must_fail git rev-parse refs/heads/t
'
test_expect_success 'deleting checked-out branch from repo that is a submodule' '
test_when_finished "rm -rf repo1 repo2" &&
git init repo1 &&
git init repo1/sub &&
test_commit -C repo1/sub x &&
git -C repo1 submodule add ./sub &&
git -C repo1 commit -m "adding sub" &&
git clone --recurse-submodules repo1 repo2 &&
git -C repo2/sub checkout -b work &&
test_must_fail git -C repo2/sub branch -D work
'
test_expect_success 'bare main worktree has HEAD at branch deleted by secondary worktree' '
test_when_finished "rm -rf nonbare base secondary" &&
git init -b main nonbare &&
test_commit -C nonbare x &&
git clone --bare nonbare bare &&
git -C bare worktree add --detach ../secondary main &&
git -C secondary branch -D main
'
test_expect_success 'git branch --list -v with --abbrev' '
test_when_finished "git branch -D t" &&
git branch t &&
git branch -v --list t >actual.default &&
git branch -v --list --abbrev t >actual.abbrev &&
test_cmp actual.default actual.abbrev &&
git branch -v --list --no-abbrev t >actual.noabbrev &&
git branch -v --list --abbrev=0 t >actual.0abbrev &&
git -c core.abbrev=no branch -v --list t >actual.noabbrev-conf &&
test_cmp actual.noabbrev actual.0abbrev &&
test_cmp actual.noabbrev actual.noabbrev-conf &&
git branch -v --list --abbrev=36 t >actual.36abbrev &&
# how many hexdigits are used?
read name objdefault rest <actual.abbrev &&
read name obj36 rest <actual.36abbrev &&
objfull=$(git rev-parse --verify t) &&
# are we really getting abbreviations?
test "$obj36" != "$objdefault" &&
expr "$obj36" : "$objdefault" >/dev/null &&
test "$objfull" != "$obj36" &&
expr "$objfull" : "$obj36" >/dev/null
'
test_expect_success 'git branch --column' '
COLUMNS=81 git branch --column=column >actual &&
cat >expect <<\EOF &&
a/b/c bam foo l * main n o/p r
abc bar j/k m/m mb o/o q topic
EOF
test_cmp expect actual
'
test_expect_success 'git branch --column with an extremely long branch name' '
long=this/is/a/part/of/long/branch/name &&
long=z$long/$long/$long/$long &&
test_when_finished "git branch -d $long" &&
git branch $long &&
COLUMNS=80 git branch --column=column >actual &&
cat >expect <<EOF &&
a/b/c
abc
bam
bar
foo
j/k
l
m/m
* main
mb
n
o/o
o/p
q
r
topic
$long
EOF
test_cmp expect actual
'
test_expect_success 'git branch with column.*' '
git config column.ui column &&
git config column.branch "dense" &&
COLUMNS=80 git branch >actual &&
git config --unset column.branch &&
git config --unset column.ui &&
cat >expect <<\EOF &&
a/b/c bam foo l * main n o/p r
abc bar j/k m/m mb o/o q topic
EOF
test_cmp expect actual
'
test_expect_success 'git branch --column -v should fail' '
test_must_fail git branch --column -v
'
test_expect_success 'git branch -v with column.ui ignored' '
git config column.ui column &&
COLUMNS=80 git branch -v | cut -c -8 | sed "s/ *$//" >actual &&
git config --unset column.ui &&
cat >expect <<\EOF &&
a/b/c
abc
bam
bar
foo
j/k
l
m/m
* main
mb
n
o/o
o/p
q
r
topic
EOF
test_cmp expect actual
'
mv .git/config .git/config-saved
test_expect_success SHA1 'git branch -m q q2 without config should succeed' '
git branch -m q q2 &&
git branch -m q2 q
'
mv .git/config-saved .git/config
git config branch.s/s.dummy Hello
test_expect_success 'git branch -m s/s s should work when s/t is deleted' '
git branch --create-reflog s/s &&
git reflog exists refs/heads/s/s &&
git branch --create-reflog s/t &&
git reflog exists refs/heads/s/t &&
git branch -d s/t &&
git branch -m s/s s &&
git reflog exists refs/heads/s
'
test_expect_success 'config information was renamed, too' '
test $(git config branch.s.dummy) = Hello &&
test_must_fail git config branch.s/s.dummy
'
test_expect_success 'git branch -m correctly renames multiple config sections' '
test_when_finished "git checkout main" &&
git checkout -b source main &&
# Assert that a config file with multiple config sections has
# those sections preserved...
cat >expect <<-\EOF &&
branch.dest.key1=value1
some.gar.b=age
branch.dest.key2=value2
EOF
cat >config.branch <<\EOF &&
;; Note the lack of -\EOF above & mixed indenting here. This is
;; intentional, we are also testing that the formatting of copied
;; sections is preserved.
;; Comment for source. Tabs
[branch "source"]
;; Comment for the source value
key1 = value1
;; Comment for some.gar. Spaces
[some "gar"]
;; Comment for the some.gar value
b = age
;; Comment for source, again. Mixed tabs/spaces.
[branch "source"]
;; Comment for the source value, again
key2 = value2
EOF
cat config.branch >>.git/config &&
git branch -m source dest &&
git config -f .git/config -l | grep -F -e source -e dest -e some.gar >actual &&
test_cmp expect actual &&
# ...and that the comments for those sections are also
# preserved.
cat config.branch | sed "s/\"source\"/\"dest\"/" >expect &&
sed -n -e "/Note the lack/,\$p" .git/config >actual &&
test_cmp expect actual
'
test_expect_success 'git branch -c dumps usage' '
test_expect_code 128 git branch -c 2>err &&
test_i18ngrep "branch name required" err
'
test_expect_success 'git branch --copy dumps usage' '
test_expect_code 128 git branch --copy 2>err &&
test_i18ngrep "branch name required" err
'
test_expect_success 'git branch -c d e should work' '
git branch --create-reflog d &&
git reflog exists refs/heads/d &&
git config branch.d.dummy Hello &&
git branch -c d e &&
git reflog exists refs/heads/d &&
git reflog exists refs/heads/e &&
echo Hello >expect &&
git config branch.e.dummy >actual &&
test_cmp expect actual &&
echo Hello >expect &&
git config branch.d.dummy >actual &&
test_cmp expect actual
'
test_expect_success 'git branch --copy is a synonym for -c' '
git branch --create-reflog copy &&
git reflog exists refs/heads/copy &&
git config branch.copy.dummy Hello &&
git branch --copy copy copy-to &&
git reflog exists refs/heads/copy &&
git reflog exists refs/heads/copy-to &&
echo Hello >expect &&
git config branch.copy.dummy >actual &&
test_cmp expect actual &&
echo Hello >expect &&
git config branch.copy-to.dummy >actual &&
test_cmp expect actual
'
test_expect_success 'git branch -c ee ef should copy ee to create branch ef' '
git checkout -b ee &&
git reflog exists refs/heads/ee &&
git config branch.ee.dummy Hello &&
git branch -c ee ef &&
git reflog exists refs/heads/ee &&
git reflog exists refs/heads/ef &&
test $(git config branch.ee.dummy) = Hello &&
test $(git config branch.ef.dummy) = Hello &&
test $(git rev-parse --abbrev-ref HEAD) = ee
'
test_expect_success 'git branch -c f/f g/g should work' '
git branch --create-reflog f/f &&
git reflog exists refs/heads/f/f &&
git config branch.f/f.dummy Hello &&
git branch -c f/f g/g &&
git reflog exists refs/heads/f/f &&
git reflog exists refs/heads/g/g &&
test $(git config branch.f/f.dummy) = Hello &&
test $(git config branch.g/g.dummy) = Hello
'
test_expect_success 'git branch -c m2 m2 should work' '
git branch --create-reflog m2 &&
git reflog exists refs/heads/m2 &&
git config branch.m2.dummy Hello &&
git branch -c m2 m2 &&
git reflog exists refs/heads/m2 &&
test $(git config branch.m2.dummy) = Hello
'
test_expect_success 'git branch -c zz zz/zz should fail' '
git branch --create-reflog zz &&
git reflog exists refs/heads/zz &&
test_must_fail git branch -c zz zz/zz
'
test_expect_success 'git branch -c b/b b should fail' '
git branch --create-reflog b/b &&
test_must_fail git branch -c b/b b
'
test_expect_success 'git branch -C o/q o/p should work when o/p exists' '
git branch --create-reflog o/q &&
git reflog exists refs/heads/o/q &&
git reflog exists refs/heads/o/p &&
git branch -C o/q o/p
'
test_expect_success 'git branch -c -f o/q o/p should work when o/p exists' '
git reflog exists refs/heads/o/q &&
git reflog exists refs/heads/o/p &&
git branch -c -f o/q o/p
'
test_expect_success 'git branch -c qq rr/qq should fail when rr exists' '
git branch qq &&
git branch rr &&
test_must_fail git branch -c qq rr/qq
'
test_expect_success 'git branch -C b1 b2 should fail when b2 is checked out' '
git branch b1 &&
git checkout -b b2 &&
test_must_fail git branch -C b1 b2
'
test_expect_success 'git branch -C c1 c2 should succeed when c1 is checked out' '
git checkout -b c1 &&
git branch c2 &&
git branch -C c1 c2 &&
test $(git rev-parse --abbrev-ref HEAD) = c1
'
test_expect_success 'git branch -C c1 c2 should never touch HEAD' '
msg="Branch: copied refs/heads/c1 to refs/heads/c2" &&
! grep "$msg$" .git/logs/HEAD
'
test_expect_success 'git branch -C main should work when main is checked out' '
git checkout main &&
git branch -C main
'
test_expect_success 'git branch -C main main should work when main is checked out' '
git checkout main &&
git branch -C main main
'
test_expect_success 'git branch -C main5 main5 should work when main is checked out' '
git checkout main &&
git branch main5 &&
git branch -C main5 main5
'
test_expect_success 'git branch -C ab cd should overwrite existing config for cd' '
git branch --create-reflog cd &&
git reflog exists refs/heads/cd &&
git config branch.cd.dummy CD &&
git branch --create-reflog ab &&
git reflog exists refs/heads/ab &&
git config branch.ab.dummy AB &&
git branch -C ab cd &&
git reflog exists refs/heads/ab &&
git reflog exists refs/heads/cd &&
test $(git config branch.ab.dummy) = AB &&
test $(git config branch.cd.dummy) = AB
'
test_expect_success 'git branch -c correctly copies multiple config sections' '
FOO=1 &&
export FOO &&
test_when_finished "git checkout main" &&
git checkout -b source2 main &&
# Assert that a config file with multiple config sections has
# those sections preserved...
cat >expect <<-\EOF &&
branch.source2.key1=value1
branch.dest2.key1=value1
more.gar.b=age
branch.source2.key2=value2
branch.dest2.key2=value2
EOF
cat >config.branch <<\EOF &&
;; Note the lack of -\EOF above & mixed indenting here. This is
;; intentional, we are also testing that the formatting of copied
;; sections is preserved.
;; Comment for source2. Tabs
[branch "source2"]
;; Comment for the source2 value
key1 = value1
;; Comment for more.gar. Spaces
[more "gar"]
;; Comment for the more.gar value
b = age
;; Comment for source2, again. Mixed tabs/spaces.
[branch "source2"]
;; Comment for the source2 value, again
key2 = value2
EOF
cat config.branch >>.git/config &&
git branch -c source2 dest2 &&
git config -f .git/config -l | grep -F -e source2 -e dest2 -e more.gar >actual &&
test_cmp expect actual &&
# ...and that the comments and formatting for those sections
# is also preserved.
cat >expect <<\EOF &&
;; Comment for source2. Tabs
[branch "source2"]
;; Comment for the source2 value
key1 = value1
;; Comment for more.gar. Spaces
[branch "dest2"]
;; Comment for the source2 value
key1 = value1
;; Comment for more.gar. Spaces
[more "gar"]
;; Comment for the more.gar value
b = age
;; Comment for source2, again. Mixed tabs/spaces.
[branch "source2"]
;; Comment for the source2 value, again
key2 = value2
[branch "dest2"]
;; Comment for the source2 value, again
key2 = value2
EOF
sed -n -e "/Comment for source2/,\$p" .git/config >actual &&
test_cmp expect actual
'
test_expect_success 'deleting a symref' '
git branch target &&
git symbolic-ref refs/heads/symref refs/heads/target &&
echo "Deleted branch symref (was refs/heads/target)." >expect &&
git branch -d symref >actual &&
test_path_is_file .git/refs/heads/target &&
test_path_is_missing .git/refs/heads/symref &&
test_cmp expect actual
'
test_expect_success 'deleting a dangling symref' '
git symbolic-ref refs/heads/dangling-symref nowhere &&
test_path_is_file .git/refs/heads/dangling-symref &&
echo "Deleted branch dangling-symref (was nowhere)." >expect &&
git branch -d dangling-symref >actual &&
test_path_is_missing .git/refs/heads/dangling-symref &&
test_cmp expect actual
'
test_expect_success 'deleting a self-referential symref' '
git symbolic-ref refs/heads/self-reference refs/heads/self-reference &&
test_path_is_file .git/refs/heads/self-reference &&
echo "Deleted branch self-reference (was refs/heads/self-reference)." >expect &&
git branch -d self-reference >actual &&
test_path_is_missing .git/refs/heads/self-reference &&
test_cmp expect actual
'
test_expect_success 'renaming a symref is not allowed' '
git symbolic-ref refs/heads/topic refs/heads/main &&
test_must_fail git branch -m topic new-topic &&
git symbolic-ref refs/heads/topic &&
test_path_is_file .git/refs/heads/main &&
test_path_is_missing .git/refs/heads/new-topic
'
test_expect_success SYMLINKS 'git branch -m u v should fail when the reflog for u is a symlink' '
git branch --create-reflog u &&
mv .git/logs/refs/heads/u real-u &&
ln -s real-u .git/logs/refs/heads/u &&
test_must_fail git branch -m u v
'
test_expect_success SYMLINKS 'git branch -m with symlinked .git/refs' '
test_when_finished "rm -rf subdir" &&
git init --bare subdir &&
rm -rfv subdir/refs subdir/objects subdir/packed-refs &&
ln -s ../.git/refs subdir/refs &&
ln -s ../.git/objects subdir/objects &&
ln -s ../.git/packed-refs subdir/packed-refs &&
git -C subdir rev-parse --absolute-git-dir >subdir.dir &&
git rev-parse --absolute-git-dir >our.dir &&
! test_cmp subdir.dir our.dir &&
git -C subdir log &&
git -C subdir branch rename-src &&
git rev-parse rename-src >expect &&
git -C subdir branch -m rename-src rename-dest &&
git rev-parse rename-dest >actual &&
test_cmp expect actual &&
git branch -D rename-dest
'
test_expect_success 'test tracking setup via --track' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track my1 local/main &&
test $(git config branch.my1.remote) = local &&
test $(git config branch.my1.merge) = refs/heads/main
'
test_expect_success 'test tracking setup (non-wildcard, matching)' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/main:refs/remotes/local/main &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track my4 local/main &&
test $(git config branch.my4.remote) = local &&
test $(git config branch.my4.merge) = refs/heads/main
'
test_expect_success 'tracking setup fails on non-matching refspec' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git config remote.local.fetch refs/heads/s:refs/remotes/local/s &&
test_must_fail git branch --track my5 local/main &&
test_must_fail git config branch.my5.remote &&
test_must_fail git config branch.my5.merge
'
test_expect_success 'test tracking setup via config' '
git config branch.autosetupmerge true &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch my3 local/main &&
test $(git config branch.my3.remote) = local &&
test $(git config branch.my3.merge) = refs/heads/main
'
test_expect_success 'test overriding tracking setup via --no-track' '
git config branch.autosetupmerge true &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track my2 local/main &&
git config branch.autosetupmerge false &&
! test "$(git config branch.my2.remote)" = local &&
! test "$(git config branch.my2.merge)" = refs/heads/main
'
test_expect_success 'no tracking without .fetch entries' '
git config branch.autosetupmerge true &&
git branch my6 s &&
git config branch.autosetupmerge false &&
test -z "$(git config branch.my6.remote)" &&
test -z "$(git config branch.my6.merge)"
'
test_expect_success 'test tracking setup via --track but deeper' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/o/o || git fetch local) &&
git branch --track my7 local/o/o &&
test "$(git config branch.my7.remote)" = local &&
test "$(git config branch.my7.merge)" = refs/heads/o/o
'
test_expect_success 'test deleting branch deletes branch config' '
git branch -d my7 &&
test -z "$(git config branch.my7.remote)" &&
test -z "$(git config branch.my7.merge)"
'
test_expect_success 'test deleting branch without config' '
git branch my7 s &&
sha1=$(git rev-parse my7 | cut -c 1-7) &&
echo "Deleted branch my7 (was $sha1)." >expect &&
git branch -d my7 >actual 2>&1 &&
test_cmp expect actual
'
test_expect_success 'deleting currently checked out branch fails' '
git worktree add -b my7 my7 &&
test_must_fail git -C my7 branch -d my7 &&
test_must_fail git branch -d my7 &&
rm -r my7 &&
git worktree prune
'
test_expect_success 'test --track without .fetch entries' '
git branch --track my8 &&
test "$(git config branch.my8.remote)" &&
test "$(git config branch.my8.merge)"
'
test_expect_success 'branch from non-branch HEAD w/autosetupmerge=always' '
git config branch.autosetupmerge always &&
git branch my9 HEAD^ &&
git config branch.autosetupmerge false
'
test_expect_success 'branch from non-branch HEAD w/--track causes failure' '
test_must_fail git branch --track my10 HEAD^
'
test_expect_success 'branch from tag w/--track causes failure' '
git tag foobar &&
test_must_fail git branch --track my11 foobar
'
test_expect_success 'simple tracking works when remote branch name matches' '
test_when_finished "rm -rf otherserver" &&
git init otherserver &&
test_commit -C otherserver my_commit 1 &&
git -C otherserver branch feature &&
test_config branch.autosetupmerge simple &&
test_config remote.otherserver.url otherserver &&
test_config remote.otherserver.fetch refs/heads/*:refs/remotes/otherserver/* &&
git fetch otherserver &&
git branch feature otherserver/feature &&
test_cmp_config otherserver branch.feature.remote &&
test_cmp_config refs/heads/feature branch.feature.merge
'
test_expect_success 'simple tracking skips when remote branch name does not match' '
test_config branch.autosetupmerge simple &&
test_config remote.local.url . &&
test_config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git fetch local &&
git branch my-other local/main &&
test_cmp_config "" --default "" branch.my-other.remote &&
test_cmp_config "" --default "" branch.my-other.merge
'
test_expect_success 'simple tracking skips when remote ref is not a branch' '
test_config branch.autosetupmerge simple &&
test_config remote.localtags.url . &&
test_config remote.localtags.fetch refs/tags/*:refs/remotes/localtags/* &&
git tag mytag12 main &&
git fetch localtags &&
git branch mytag12 localtags/mytag12 &&
test_cmp_config "" --default "" branch.mytag12.remote &&
test_cmp_config "" --default "" branch.mytag12.merge
'
test_expect_success '--set-upstream-to fails on multiple branches' '
echo "fatal: too many arguments to set new upstream" >expect &&
test_must_fail git branch --set-upstream-to main a b c 2>err &&
test_cmp expect err
'
test_expect_success '--set-upstream-to fails on detached HEAD' '
git checkout HEAD^{} &&
test_when_finished git checkout - &&
echo "fatal: could not set upstream of HEAD to main when it does not point to any branch." >expect &&
test_must_fail git branch --set-upstream-to main 2>err &&
test_cmp expect err
'
test_expect_success '--set-upstream-to fails on a missing dst branch' '
echo "fatal: branch '"'"'does-not-exist'"'"' does not exist" >expect &&
test_must_fail git branch --set-upstream-to main does-not-exist 2>err &&
test_cmp expect err
'
test_expect_success '--set-upstream-to fails on a missing src branch' '
test_must_fail git branch --set-upstream-to does-not-exist main 2>err &&
test_i18ngrep "the requested upstream branch '"'"'does-not-exist'"'"' does not exist" err
'
test_expect_success '--set-upstream-to fails on a non-ref' '
echo "fatal: cannot set up tracking information; starting point '"'"'HEAD^{}'"'"' is not a branch" >expect &&
test_must_fail git branch --set-upstream-to HEAD^{} 2>err &&
test_cmp expect err
'
test_expect_success '--set-upstream-to fails on locked config' '
test_when_finished "rm -f .git/config.lock" &&
>.git/config.lock &&
git branch locked &&
test_must_fail git branch --set-upstream-to locked 2>err &&
test_i18ngrep "could not lock config file .git/config" err
'
test_expect_success 'use --set-upstream-to modify HEAD' '
test_config branch.main.remote foo &&
test_config branch.main.merge foo &&
git branch my12 &&
git branch --set-upstream-to my12 &&
test "$(git config branch.main.remote)" = "." &&
test "$(git config branch.main.merge)" = "refs/heads/my12"
'
test_expect_success 'use --set-upstream-to modify a particular branch' '
git branch my13 &&
git branch --set-upstream-to main my13 &&
test_when_finished "git branch --unset-upstream my13" &&
test "$(git config branch.my13.remote)" = "." &&
test "$(git config branch.my13.merge)" = "refs/heads/main"
'
test_expect_success '--unset-upstream should fail if given a non-existent branch' '
echo "fatal: Branch '"'"'i-dont-exist'"'"' has no upstream information" >expect &&
test_must_fail git branch --unset-upstream i-dont-exist 2>err &&
test_cmp expect err
'
test_expect_success '--unset-upstream should fail if config is locked' '
test_when_finished "rm -f .git/config.lock" &&
git branch --set-upstream-to locked &&
>.git/config.lock &&
test_must_fail git branch --unset-upstream 2>err &&
test_i18ngrep "could not lock config file .git/config" err
'
test_expect_success 'test --unset-upstream on HEAD' '
git branch my14 &&
test_config branch.main.remote foo &&
test_config branch.main.merge foo &&
git branch --set-upstream-to my14 &&
git branch --unset-upstream &&
test_must_fail git config branch.main.remote &&
test_must_fail git config branch.main.merge &&
# fail for a branch without upstream set
echo "fatal: Branch '"'"'main'"'"' has no upstream information" >expect &&
test_must_fail git branch --unset-upstream 2>err &&
test_cmp expect err
'
test_expect_success '--unset-upstream should fail on multiple branches' '
echo "fatal: too many arguments to unset upstream" >expect &&
test_must_fail git branch --unset-upstream a b c 2>err &&
test_cmp expect err
'
test_expect_success '--unset-upstream should fail on detached HEAD' '
git checkout HEAD^{} &&
test_when_finished git checkout - &&
echo "fatal: could not unset upstream of HEAD when it does not point to any branch." >expect &&
test_must_fail git branch --unset-upstream 2>err &&
test_cmp expect err
'
test_expect_success 'test --unset-upstream on a particular branch' '
git branch my15 &&
git branch --set-upstream-to main my14 &&
git branch --unset-upstream my14 &&
test_must_fail git config branch.my14.remote &&
test_must_fail git config branch.my14.merge
'
test_expect_success 'disabled option --set-upstream fails' '
test_must_fail git branch --set-upstream origin/main
'
test_expect_success '--set-upstream-to notices an error to set branch as own upstream' "
git branch --set-upstream-to refs/heads/my13 my13 2>actual &&
cat >expect <<-\EOF &&
warning: not setting branch 'my13' as its own upstream
EOF
test_expect_code 1 git config branch.my13.remote &&
test_expect_code 1 git config branch.my13.merge &&
test_cmp expect actual
"
# Keep this test last, as it changes the current branch
cat >expect <<EOF
$ZERO_OID $HEAD $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 branch: Created from main
EOF
test_expect_success 'git checkout -b g/h/i -l should create a branch and a log' '
GIT_COMMITTER_DATE="2005-05-26 23:30" \
git checkout -b g/h/i -l main &&
test_path_is_file .git/refs/heads/g/h/i &&
test_path_is_file .git/logs/refs/heads/g/h/i &&
test_cmp expect .git/logs/refs/heads/g/h/i
'
test_expect_success 'checkout -b makes reflog by default' '
git checkout main &&
git config --unset core.logAllRefUpdates &&
git checkout -b alpha &&
git rev-parse --verify alpha@{0}
'
test_expect_success 'checkout -b does not make reflog when core.logAllRefUpdates = false' '
git checkout main &&
git config core.logAllRefUpdates false &&
git checkout -b beta &&
test_must_fail git rev-parse --verify beta@{0}
'
test_expect_success 'checkout -b with -l makes reflog when core.logAllRefUpdates = false' '
git checkout main &&
git checkout -lb gamma &&
git config --unset core.logAllRefUpdates &&
git rev-parse --verify gamma@{0}
'
test_expect_success 'avoid ambiguous track and advise' '
git config branch.autosetupmerge true &&
git config remote.ambi1.url lalala &&
git config remote.ambi1.fetch refs/heads/lalala:refs/heads/main &&
git config remote.ambi2.url lilili &&
git config remote.ambi2.fetch refs/heads/lilili:refs/heads/main &&
cat <<-EOF >expected &&
fatal: not tracking: ambiguous information for ref '\''refs/heads/main'\''
hint: There are multiple remotes whose fetch refspecs map to the remote
hint: tracking ref '\''refs/heads/main'\'':
hint: ambi1
hint: ambi2
hint: ''
hint: This is typically a configuration error.
hint: ''
hint: To support setting up tracking branches, ensure that
hint: different remotes'\'' fetch refspecs map into different
hint: tracking namespaces.
EOF
test_must_fail git branch all1 main 2>actual &&
test_cmp expected actual &&
test -z "$(git config branch.all1.merge)"
'
test_expect_success 'autosetuprebase local on a tracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase local &&
(git show-ref -q refs/remotes/local/o || git fetch local) &&
git branch mybase &&
git branch --track myr1 mybase &&
test "$(git config branch.myr1.remote)" = . &&
test "$(git config branch.myr1.merge)" = refs/heads/mybase &&
test "$(git config branch.myr1.rebase)" = true
'
test_expect_success 'autosetuprebase always on a tracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase always &&
(git show-ref -q refs/remotes/local/o || git fetch local) &&
git branch mybase2 &&
git branch --track myr2 mybase &&
test "$(git config branch.myr2.remote)" = . &&
test "$(git config branch.myr2.merge)" = refs/heads/mybase &&
test "$(git config branch.myr2.rebase)" = true
'
test_expect_success 'autosetuprebase remote on a tracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase remote &&
(git show-ref -q refs/remotes/local/o || git fetch local) &&
git branch mybase3 &&
git branch --track myr3 mybase2 &&
test "$(git config branch.myr3.remote)" = . &&
test "$(git config branch.myr3.merge)" = refs/heads/mybase2 &&
! test "$(git config branch.myr3.rebase)" = true
'
test_expect_success 'autosetuprebase never on a tracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase never &&
(git show-ref -q refs/remotes/local/o || git fetch local) &&
git branch mybase4 &&
git branch --track myr4 mybase2 &&
test "$(git config branch.myr4.remote)" = . &&
test "$(git config branch.myr4.merge)" = refs/heads/mybase2 &&
! test "$(git config branch.myr4.rebase)" = true
'
test_expect_success 'autosetuprebase local on a tracked remote branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase local &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track myr5 local/main &&
test "$(git config branch.myr5.remote)" = local &&
test "$(git config branch.myr5.merge)" = refs/heads/main &&
! test "$(git config branch.myr5.rebase)" = true
'
test_expect_success 'autosetuprebase never on a tracked remote branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase never &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track myr6 local/main &&
test "$(git config branch.myr6.remote)" = local &&
test "$(git config branch.myr6.merge)" = refs/heads/main &&
! test "$(git config branch.myr6.rebase)" = true
'
test_expect_success 'autosetuprebase remote on a tracked remote branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase remote &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track myr7 local/main &&
test "$(git config branch.myr7.remote)" = local &&
test "$(git config branch.myr7.merge)" = refs/heads/main &&
test "$(git config branch.myr7.rebase)" = true
'
test_expect_success 'autosetuprebase always on a tracked remote branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
git config branch.autosetuprebase remote &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track myr8 local/main &&
test "$(git config branch.myr8.remote)" = local &&
test "$(git config branch.myr8.merge)" = refs/heads/main &&
test "$(git config branch.myr8.rebase)" = true
'
test_expect_success 'autosetuprebase unconfigured on a tracked remote branch' '
git config --unset branch.autosetuprebase &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --track myr9 local/main &&
test "$(git config branch.myr9.remote)" = local &&
test "$(git config branch.myr9.merge)" = refs/heads/main &&
test "z$(git config branch.myr9.rebase)" = z
'
test_expect_success 'autosetuprebase unconfigured on a tracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/o || git fetch local) &&
git branch mybase10 &&
git branch --track myr10 mybase2 &&
test "$(git config branch.myr10.remote)" = . &&
test "$(git config branch.myr10.merge)" = refs/heads/mybase2 &&
test "z$(git config branch.myr10.rebase)" = z
'
test_expect_success 'autosetuprebase unconfigured on untracked local branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr11 mybase2 &&
test "z$(git config branch.myr11.remote)" = z &&
test "z$(git config branch.myr11.merge)" = z &&
test "z$(git config branch.myr11.rebase)" = z
'
test_expect_success 'autosetuprebase unconfigured on untracked remote branch' '
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr12 local/main &&
test "z$(git config branch.myr12.remote)" = z &&
test "z$(git config branch.myr12.merge)" = z &&
test "z$(git config branch.myr12.rebase)" = z
'
test_expect_success 'autosetuprebase never on an untracked local branch' '
git config branch.autosetuprebase never &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr13 mybase2 &&
test "z$(git config branch.myr13.remote)" = z &&
test "z$(git config branch.myr13.merge)" = z &&
test "z$(git config branch.myr13.rebase)" = z
'
test_expect_success 'autosetuprebase local on an untracked local branch' '
git config branch.autosetuprebase local &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr14 mybase2 &&
test "z$(git config branch.myr14.remote)" = z &&
test "z$(git config branch.myr14.merge)" = z &&
test "z$(git config branch.myr14.rebase)" = z
'
test_expect_success 'autosetuprebase remote on an untracked local branch' '
git config branch.autosetuprebase remote &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr15 mybase2 &&
test "z$(git config branch.myr15.remote)" = z &&
test "z$(git config branch.myr15.merge)" = z &&
test "z$(git config branch.myr15.rebase)" = z
'
test_expect_success 'autosetuprebase always on an untracked local branch' '
git config branch.autosetuprebase always &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr16 mybase2 &&
test "z$(git config branch.myr16.remote)" = z &&
test "z$(git config branch.myr16.merge)" = z &&
test "z$(git config branch.myr16.rebase)" = z
'
test_expect_success 'autosetuprebase never on an untracked remote branch' '
git config branch.autosetuprebase never &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr17 local/main &&
test "z$(git config branch.myr17.remote)" = z &&
test "z$(git config branch.myr17.merge)" = z &&
test "z$(git config branch.myr17.rebase)" = z
'
test_expect_success 'autosetuprebase local on an untracked remote branch' '
git config branch.autosetuprebase local &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr18 local/main &&
test "z$(git config branch.myr18.remote)" = z &&
test "z$(git config branch.myr18.merge)" = z &&
test "z$(git config branch.myr18.rebase)" = z
'
test_expect_success 'autosetuprebase remote on an untracked remote branch' '
git config branch.autosetuprebase remote &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr19 local/main &&
test "z$(git config branch.myr19.remote)" = z &&
test "z$(git config branch.myr19.merge)" = z &&
test "z$(git config branch.myr19.rebase)" = z
'
test_expect_success 'autosetuprebase always on an untracked remote branch' '
git config branch.autosetuprebase always &&
git config remote.local.url . &&
git config remote.local.fetch refs/heads/*:refs/remotes/local/* &&
(git show-ref -q refs/remotes/local/main || git fetch local) &&
git branch --no-track myr20 local/main &&
test "z$(git config branch.myr20.remote)" = z &&
test "z$(git config branch.myr20.merge)" = z &&
test "z$(git config branch.myr20.rebase)" = z
'
test_expect_success 'autosetuprebase always on detached HEAD' '
git config branch.autosetupmerge always &&
test_when_finished git checkout main &&
git checkout HEAD^0 &&
git branch my11 &&
test -z "$(git config branch.my11.remote)" &&
test -z "$(git config branch.my11.merge)"
'
test_expect_success 'detect misconfigured autosetuprebase (bad value)' '
git config branch.autosetuprebase garbage &&
test_must_fail git branch
'
test_expect_success 'detect misconfigured autosetuprebase (no value)' '
git config --unset branch.autosetuprebase &&
echo "[branch] autosetuprebase" >>.git/config &&
test_must_fail git branch &&
git config --unset branch.autosetuprebase
'
test_expect_success 'attempt to delete a branch without base and unmerged to HEAD' '
git checkout my9 &&
git config --unset branch.my8.merge &&
test_must_fail git branch -d my8
'
test_expect_success 'attempt to delete a branch merged to its base' '
# we are on my9 which is the initial commit; traditionally
# we would not have allowed deleting my8 that is not merged
# to my9, but it is set to track main that already has my8
git config branch.my8.merge refs/heads/main &&
git branch -d my8
'
test_expect_success 'attempt to delete a branch merged to its base' '
git checkout main &&
echo Third >>A &&
git commit -m "Third commit" A &&
git branch -t my10 my9 &&
git branch -f my10 HEAD^ &&
# we are on main which is at the third commit, and my10
# is behind us, so traditionally we would have allowed deleting
# it; but my10 is set to track my9 that is further behind.
test_must_fail git branch -d my10
'
test_expect_success 'branch --delete --force removes dangling branch' '
git checkout main &&
test_commit unstable &&
hash=$(git rev-parse HEAD) &&
objpath=$(echo $hash | sed -e "s|^..|.git/objects/&/|") &&
git branch --no-track dangling &&
mv $objpath $objpath.x &&
test_when_finished "mv $objpath.x $objpath" &&
git branch --delete --force dangling &&
git for-each-ref refs/heads/dangling >actual &&
test_must_be_empty actual
'
test_expect_success 'use --edit-description' '
write_script editor <<-\EOF &&
echo "New contents" >"$1"
EOF
EDITOR=./editor git branch --edit-description &&
write_script editor <<-\EOF &&
git stripspace -s <"$1" >"EDITOR_OUTPUT"
EOF
EDITOR=./editor git branch --edit-description &&
echo "New contents" >expect &&
test_cmp expect EDITOR_OUTPUT
'
test_expect_success 'detect typo in branch name when using --edit-description' '
write_script editor <<-\EOF &&
echo "New contents" >"$1"
EOF
test_must_fail env EDITOR=./editor git branch --edit-description no-such-branch
'
test_expect_success 'refuse --edit-description on unborn branch for now' '
test_when_finished "git checkout main" &&
write_script editor <<-\EOF &&
echo "New contents" >"$1"
EOF
git checkout --orphan unborn &&
test_must_fail env EDITOR=./editor git branch --edit-description
'
test_expect_success '--merged catches invalid object names' '
test_must_fail git branch --merged 0000000000000000000000000000000000000000
'
test_expect_success '--list during rebase' '
test_when_finished "reset_rebase" &&
git checkout main &&
FAKE_LINES="1 edit 2" &&
export FAKE_LINES &&
set_fake_editor &&
git rebase -i HEAD~2 &&
git branch --list >actual &&
test_i18ngrep "rebasing main" actual
'
test_expect_success '--list during rebase from detached HEAD' '
test_when_finished "reset_rebase && git checkout main" &&
git checkout main^0 &&
oid=$(git rev-parse --short HEAD) &&
FAKE_LINES="1 edit 2" &&
export FAKE_LINES &&
set_fake_editor &&
git rebase -i HEAD~2 &&
git branch --list >actual &&
test_i18ngrep "rebasing detached HEAD $oid" actual
'
test_expect_success 'tracking with unexpected .fetch refspec' '
rm -rf a b c d &&
git init -b main a &&
(
cd a &&
test_commit a
) &&
git init -b main b &&
(
cd b &&
test_commit b
) &&
git init -b main c &&
(
cd c &&
test_commit c &&
git remote add a ../a &&
git remote add b ../b &&
git fetch --all
) &&
git init -b main d &&
(
cd d &&
git remote add c ../c &&
git config remote.c.fetch "+refs/remotes/*:refs/remotes/*" &&
git fetch c &&
git branch --track local/a/main remotes/a/main &&
test "$(git config branch.local/a/main.remote)" = "c" &&
test "$(git config branch.local/a/main.merge)" = "refs/remotes/a/main" &&
git rev-parse --verify a >expect &&
git rev-parse --verify local/a/main >actual &&
test_cmp expect actual
)
'
test_expect_success 'configured committerdate sort' '
git init -b main sort &&
(
cd sort &&
git config branch.sort committerdate &&
test_commit initial &&
git checkout -b a &&
test_commit a &&
git checkout -b c &&
test_commit c &&
git checkout -b b &&
test_commit b &&
git branch >actual &&
cat >expect <<-\EOF &&
main
a
c
* b
EOF
test_cmp expect actual
)
'
test_expect_success 'option override configured sort' '
(
cd sort &&
git config branch.sort committerdate &&
git branch --sort=refname >actual &&
cat >expect <<-\EOF &&
a
* b
c
main
EOF
test_cmp expect actual
)
'
test_expect_success 'invalid sort parameter in configuration' '
(
cd sort &&
git config branch.sort "v:notvalid" &&
# this works in the "listing" mode, so bad sort key
# is a dying offence.
test_must_fail git branch &&
# these do not need to use sorting, and should all
# succeed
git branch newone main &&
git branch -c newone newerone &&
git branch -m newone newestone &&
git branch -d newerone newestone
)
'
test_expect_success 'tracking info copied with --track=inherit' '
git branch --track=inherit foo2 my1 &&
test_cmp_config local branch.foo2.remote &&
test_cmp_config refs/heads/main branch.foo2.merge
'
test_expect_success 'tracking info copied with autoSetupMerge=inherit' '
test_unconfig branch.autoSetupMerge &&
# default config does not copy tracking info
git branch foo-no-inherit my1 &&
test_cmp_config "" --default "" branch.foo-no-inherit.remote &&
test_cmp_config "" --default "" branch.foo-no-inherit.merge &&
# with autoSetupMerge=inherit, we copy tracking info from my1
test_config branch.autoSetupMerge inherit &&
git branch foo3 my1 &&
test_cmp_config local branch.foo3.remote &&
test_cmp_config refs/heads/main branch.foo3.merge &&
# no tracking info to inherit from main
git branch main2 main &&
test_cmp_config "" --default "" branch.main2.remote &&
test_cmp_config "" --default "" branch.main2.merge
'
test_expect_success '--track overrides branch.autoSetupMerge' '
test_config branch.autoSetupMerge inherit &&
git branch --track=direct foo4 my1 &&
test_cmp_config . branch.foo4.remote &&
test_cmp_config refs/heads/my1 branch.foo4.merge &&
git branch --no-track foo5 my1 &&
test_cmp_config "" --default "" branch.foo5.remote &&
test_cmp_config "" --default "" branch.foo5.merge
'
test_done
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