git/t/t7400-submodule-basic.sh
Junio C Hamano efc5fb6a77 Merge branch 'fg/submodule-git-file-git-dir'
* fg/submodule-git-file-git-dir:
  Move git-dir for submodules
  rev-parse: add option --resolve-git-dir <path>

Conflicts:
	cache.h
	git-submodule.sh
2011-10-10 15:56:17 -07:00

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#!/bin/sh
#
# Copyright (c) 2007 Lars Hjemli
#
test_description='Basic porcelain support for submodules
This test tries to verify basic sanity of the init, update and status
subcommands of git submodule.
'
. ./test-lib.sh
test_expect_success 'setup - initial commit' '
>t &&
git add t &&
git commit -m "initial commit" &&
git branch initial
'
test_expect_success 'setup - repository in init subdirectory' '
mkdir init &&
(
cd init &&
git init &&
echo a >a &&
git add a &&
git commit -m "submodule commit 1" &&
git tag -a -m "rev-1" rev-1
)
'
test_expect_success 'setup - commit with gitlink' '
echo a >a &&
echo z >z &&
git add a init z &&
git commit -m "super commit 1"
'
test_expect_success 'setup - hide init subdirectory' '
mv init .subrepo
'
test_expect_success 'setup - repository to add submodules to' '
git init addtest &&
git init addtest-ignore
'
# The 'submodule add' tests need some repository to add as a submodule.
# The trash directory is a good one as any. We need to canonicalize
# the name, though, as some tests compare it to the absolute path git
# generates, which will expand symbolic links.
submodurl=$(pwd -P)
listbranches() {
git for-each-ref --format='%(refname)' 'refs/heads/*'
}
inspect() {
dir=$1 &&
dotdot="${2:-..}" &&
(
cd "$dir" &&
listbranches >"$dotdot/heads" &&
{ git symbolic-ref HEAD || :; } >"$dotdot/head" &&
git rev-parse HEAD >"$dotdot/head-sha1" &&
git update-index --refresh &&
git diff-files --exit-code &&
git clean -n -d -x >"$dotdot/untracked"
)
}
test_expect_success 'submodule add' '
echo "refs/heads/master" >expect &&
>empty &&
(
cd addtest &&
git submodule add -q "$submodurl" submod >actual &&
test ! -s actual &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/submod ../.. &&
test_cmp expect heads &&
test_cmp expect head &&
test_cmp empty untracked
'
test_expect_success 'submodule add to .gitignored path fails' '
(
cd addtest-ignore &&
cat <<-\EOF >expect &&
The following path is ignored by one of your .gitignore files:
submod
Use -f if you really want to add it.
EOF
# Does not use test_commit due to the ignore
echo "*" > .gitignore &&
git add --force .gitignore &&
git commit -m"Ignore everything" &&
! git submodule add "$submodurl" submod >actual 2>&1 &&
test_i18ncmp expect actual
)
'
test_expect_success 'submodule add to .gitignored path with --force' '
(
cd addtest-ignore &&
git submodule add --force "$submodurl" submod
)
'
test_expect_success 'submodule add --branch' '
echo "refs/heads/initial" >expect-head &&
cat <<-\EOF >expect-heads &&
refs/heads/initial
refs/heads/master
EOF
>empty &&
(
cd addtest &&
git submodule add -b initial "$submodurl" submod-branch &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/submod-branch ../.. &&
test_cmp expect-heads heads &&
test_cmp expect-head head &&
test_cmp empty untracked
'
test_expect_success 'submodule add with ./ in path' '
echo "refs/heads/master" >expect &&
>empty &&
(
cd addtest &&
git submodule add "$submodurl" ././dotsubmod/./frotz/./ &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/dotsubmod/frotz ../../.. &&
test_cmp expect heads &&
test_cmp expect head &&
test_cmp empty untracked
'
test_expect_success 'submodule add with // in path' '
echo "refs/heads/master" >expect &&
>empty &&
(
cd addtest &&
git submodule add "$submodurl" slashslashsubmod///frotz// &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/slashslashsubmod/frotz ../../.. &&
test_cmp expect heads &&
test_cmp expect head &&
test_cmp empty untracked
'
test_expect_success 'submodule add with /.. in path' '
echo "refs/heads/master" >expect &&
>empty &&
(
cd addtest &&
git submodule add "$submodurl" dotdotsubmod/../realsubmod/frotz/.. &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/realsubmod ../.. &&
test_cmp expect heads &&
test_cmp expect head &&
test_cmp empty untracked
'
test_expect_success 'submodule add with ./, /.. and // in path' '
echo "refs/heads/master" >expect &&
>empty &&
(
cd addtest &&
git submodule add "$submodurl" dot/dotslashsubmod/./../..////realsubmod2/a/b/c/d/../../../../frotz//.. &&
git submodule init
) &&
rm -f heads head untracked &&
inspect addtest/realsubmod2 ../.. &&
test_cmp expect heads &&
test_cmp expect head &&
test_cmp empty untracked
'
test_expect_success 'setup - add an example entry to .gitmodules' '
GIT_CONFIG=.gitmodules \
git config submodule.example.url git://example.com/init.git
'
test_expect_success 'status should fail for unmapped paths' '
test_must_fail git submodule status
'
test_expect_success 'setup - map path in .gitmodules' '
cat <<\EOF >expect &&
[submodule "example"]
url = git://example.com/init.git
path = init
EOF
GIT_CONFIG=.gitmodules git config submodule.example.path init &&
test_cmp expect .gitmodules
'
test_expect_success 'status should only print one line' '
git submodule status >lines &&
test $(wc -l <lines) = 1
'
test_expect_success 'setup - fetch commit name from submodule' '
rev1=$(cd .subrepo && git rev-parse HEAD) &&
printf "rev1: %s\n" "$rev1" &&
test -n "$rev1"
'
test_expect_success 'status should initially be "missing"' '
git submodule status >lines &&
grep "^-$rev1" lines
'
test_expect_success 'init should register submodule url in .git/config' '
echo git://example.com/init.git >expect &&
git submodule init &&
git config submodule.example.url >url &&
git config submodule.example.url ./.subrepo &&
test_cmp expect url
'
test_expect_success 'update should fail when path is used by a file' '
echo hello >expect &&
echo "hello" >init &&
test_must_fail git submodule update &&
test_cmp expect init
'
test_expect_success 'update should fail when path is used by a nonempty directory' '
echo hello >expect &&
rm -fr init &&
mkdir init &&
echo "hello" >init/a &&
test_must_fail git submodule update &&
test_cmp expect init/a
'
test_expect_success 'update should work when path is an empty dir' '
rm -fr init &&
rm -f head-sha1 &&
echo "$rev1" >expect &&
mkdir init &&
git submodule update -q >update.out &&
test ! -s update.out &&
inspect init &&
test_cmp expect head-sha1
'
test_expect_success 'status should be "up-to-date" after update' '
git submodule status >list &&
grep "^ $rev1" list
'
test_expect_success 'status should be "modified" after submodule commit' '
(
cd init &&
echo b >b &&
git add b &&
git commit -m "submodule commit 2"
) &&
rev2=$(cd init && git rev-parse HEAD) &&
test -n "$rev2" &&
git submodule status >list &&
grep "^+$rev2" list
'
test_expect_success 'the --cached sha1 should be rev1' '
git submodule --cached status >list &&
grep "^+$rev1" list
'
test_expect_success 'git diff should report the SHA1 of the new submodule commit' '
git diff >diff &&
grep "^+Subproject commit $rev2" diff
'
test_expect_success 'update should checkout rev1' '
rm -f head-sha1 &&
echo "$rev1" >expect &&
git submodule update init &&
inspect init &&
test_cmp expect head-sha1
'
test_expect_success 'status should be "up-to-date" after update' '
git submodule status >list &&
grep "^ $rev1" list
'
test_expect_success 'checkout superproject with subproject already present' '
git checkout initial &&
git checkout master
'
test_expect_success 'apply submodule diff' '
>empty &&
git branch second &&
(
cd init &&
echo s >s &&
git add s &&
git commit -m "change subproject"
) &&
git update-index --add init &&
git commit -m "change init" &&
git format-patch -1 --stdout >P.diff &&
git checkout second &&
git apply --index P.diff &&
git diff --cached master >staged &&
test_cmp empty staged
'
test_expect_success 'update --init' '
mv init init2 &&
git config -f .gitmodules submodule.example.url "$(pwd)/init2" &&
git config --remove-section submodule.example &&
test_must_fail git config submodule.example.url &&
git submodule update init > update.out &&
cat update.out &&
test_i18ngrep "not initialized" update.out &&
test_must_fail git rev-parse --resolve-git-dir init/.git &&
git submodule update --init init &&
git rev-parse --resolve-git-dir init/.git
'
test_expect_success 'do not add files from a submodule' '
git reset --hard &&
test_must_fail git add init/a
'
test_expect_success 'gracefully add submodule with a trailing slash' '
git reset --hard &&
git commit -m "commit subproject" init &&
(cd init &&
echo b > a) &&
git add init/ &&
git diff --exit-code --cached init &&
commit=$(cd init &&
git commit -m update a >/dev/null &&
git rev-parse HEAD) &&
git add init/ &&
test_must_fail git diff --exit-code --cached init &&
test $commit = $(git ls-files --stage |
sed -n "s/^160000 \([^ ]*\).*/\1/p")
'
test_expect_success 'ls-files gracefully handles trailing slash' '
test "init" = "$(git ls-files init/)"
'
test_expect_success 'moving to a commit without submodule does not leave empty dir' '
rm -rf init &&
mkdir init &&
git reset --hard &&
git checkout initial &&
test ! -d init &&
git checkout second
'
test_expect_success 'submodule <invalid-path> warns' '
git submodule no-such-submodule 2> output.err &&
grep "^error: .*no-such-submodule" output.err
'
test_expect_success 'add submodules without specifying an explicit path' '
mkdir repo &&
(
cd repo &&
git init &&
echo r >r &&
git add r &&
git commit -m "repo commit 1"
) &&
git clone --bare repo/ bare.git &&
(
cd addtest &&
git submodule add "$submodurl/repo" &&
git config -f .gitmodules submodule.repo.path repo &&
git submodule add "$submodurl/bare.git" &&
git config -f .gitmodules submodule.bare.path bare
)
'
test_expect_success 'add should fail when path is used by a file' '
(
cd addtest &&
touch file &&
test_must_fail git submodule add "$submodurl/repo" file
)
'
test_expect_success 'add should fail when path is used by an existing directory' '
(
cd addtest &&
mkdir empty-dir &&
test_must_fail git submodule add "$submodurl/repo" empty-dir
)
'
test_expect_success 'use superproject as upstream when path is relative and no url is set there' '
(
cd addtest &&
git submodule add ../repo relative &&
test "$(git config -f .gitmodules submodule.relative.url)" = ../repo &&
git submodule sync relative &&
test "$(git config submodule.relative.url)" = "$submodurl/repo"
)
'
test_expect_success 'set up for relative path tests' '
mkdir reltest &&
(
cd reltest &&
git init &&
mkdir sub &&
(
cd sub &&
git init &&
test_commit foo
) &&
git add sub &&
git config -f .gitmodules submodule.sub.path sub &&
git config -f .gitmodules submodule.sub.url ../subrepo &&
cp .git/config pristine-.git-config
)
'
test_expect_success 'relative path works with URL' '
(
cd reltest &&
cp pristine-.git-config .git/config &&
git config remote.origin.url ssh://hostname/repo &&
git submodule init &&
test "$(git config submodule.sub.url)" = ssh://hostname/subrepo
)
'
test_expect_success 'relative path works with user@host:path' '
(
cd reltest &&
cp pristine-.git-config .git/config &&
git config remote.origin.url user@host:repo &&
git submodule init &&
test "$(git config submodule.sub.url)" = user@host:subrepo
)
'
test_done