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git/t/t3701-add-interactive.sh
Phillip Wood 7008ddc645 builtin add -p: fix hunk splitting 
The C reimplementation of "add -p" fails to split the last hunk in a
file if hunk ends with an addition or deletion without any post context
line unless it is the last file to be processed.

To determine whether a hunk can be split a counter is incremented each
time a context line follows an insertion or deletion. If at the end of
the hunk the value of this counter is greater than one then the hunk
can be split into that number of smaller hunks. If the last hunk in a
file ends with an insertion or deletion then there is no following
context line and the counter will not be incremented. This case is
already handled at the end of the loop where counter is incremented if
the last hunk ended with an insertion or deletion. Unfortunately there
is no similar check between files (likely because the perl version
only ever parses one diff at a time). Fix this by checking if the last
hunk ended with an insertion or deletion when we see the diff header
of a new file and extend the existing regression test.

Reproted-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-01-12 10:29:53 -08:00

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#!/bin/sh
test_description='add -i basic tests'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
if ! test_have_prereq PERL
then
skip_all='skipping add -i tests, perl not available'
test_done
fi
diff_cmp () {
for x
do
sed -e '/^index/s/[0-9a-f]*[1-9a-f][0-9a-f]*\.\./1234567../' \
-e '/^index/s/\.\.[0-9a-f]*[1-9a-f][0-9a-f]*/..9abcdef/' \
-e '/^index/s/ 00*\.\./ 0000000../' \
-e '/^index/s/\.\.00*$/..0000000/' \
-e '/^index/s/\.\.00* /..0000000 /' \
"$x" >"$x.filtered"
done
test_cmp "$1.filtered" "$2.filtered"
}
# This function uses a trick to manipulate the interactive add to use color:
# the `want_color()` function special-cases the situation where a pager was
# spawned and Git now wants to output colored text: to detect that situation,
# the environment variable `GIT_PAGER_IN_USE` is set. However, color is
# suppressed despite that environment variable if the `TERM` variable
# indicates a dumb terminal, so we set that variable, too.
force_color () {
# The first element of $@ may be a shell function, as a result POSIX
# does not guarantee that "one-shot assignment" will not persist after
# the function call. Thus, we prevent these variables from escaping
# this function's context with this subshell.
(
GIT_PAGER_IN_USE=true &&
TERM=vt100 &&
export GIT_PAGER_IN_USE TERM &&
"$@"
)
}
test_expect_success 'setup (initial)' '
echo content >file &&
git add file &&
echo more >>file &&
echo lines >>file
'
test_expect_success 'status works (initial)' '
git add -i </dev/null >output &&
grep "+1/-0 *+2/-0 file" output
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
new file mode 100644
index 0000000..d95f3ad
--- /dev/null
+++ b/file
@@ -0,0 +1 @@
+content
EOF
'
test_expect_success 'diff works (initial)' '
test_write_lines d 1 | git add -i >output &&
sed -ne "/new file/,/content/p" <output >diff &&
diff_cmp expected diff
'
test_expect_success 'revert works (initial)' '
git add file &&
test_write_lines r 1 | git add -i &&
git ls-files >output &&
! grep . output
'
test_expect_success 'add untracked (multiple)' '
test_when_finished "git reset && rm [1-9]" &&
touch $(test_seq 9) &&
test_write_lines a "2-5 8-" | git add -i -- [1-9] &&
test_write_lines 2 3 4 5 8 9 >expected &&
git ls-files [1-9] >output &&
test_cmp expected output
'
test_expect_success 'setup (commit)' '
echo baseline >file &&
git add file &&
git commit -m commit &&
echo content >>file &&
git add file &&
echo more >>file &&
echo lines >>file
'
test_expect_success 'status works (commit)' '
git add -i </dev/null >output &&
grep "+1/-0 *+2/-0 file" output
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
index 180b47c..b6f2c08 100644
--- a/file
+++ b/file
@@ -1 +1,2 @@
baseline
+content
EOF
'
test_expect_success 'diff works (commit)' '
test_write_lines d 1 | git add -i >output &&
sed -ne "/^index/,/content/p" <output >diff &&
diff_cmp expected diff
'
test_expect_success 'revert works (commit)' '
git add file &&
test_write_lines r 1 | git add -i &&
git add -i </dev/null >output &&
grep "unchanged *+3/-0 file" output
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
EOF
'
test_expect_success 'dummy edit works' '
test_set_editor : &&
test_write_lines e a | git add -p &&
git diff > diff &&
diff_cmp expected diff
'
test_expect_success 'setup patch' '
cat >patch <<-\EOF
@@ -1,1 +1,4 @@
this
+patch
-does not
apply
EOF
'
test_expect_success 'setup fake editor' '
write_script "fake_editor.sh" <<-\EOF &&
mv -f "$1" oldpatch &&
mv -f patch "$1"
EOF
test_set_editor "$(pwd)/fake_editor.sh"
'
test_expect_success 'bad edit rejected' '
git reset &&
test_write_lines e n d | git add -p >output &&
grep "hunk does not apply" output
'
test_expect_success 'setup patch' '
cat >patch <<-\EOF
this patch
is garbage
EOF
'
test_expect_success 'garbage edit rejected' '
git reset &&
test_write_lines e n d | git add -p >output &&
grep "hunk does not apply" output
'
test_expect_success 'setup patch' '
cat >patch <<-\EOF
@@ -1,0 +1,0 @@
baseline
+content
+newcontent
+lines
EOF
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
diff --git a/file b/file
index b5dd6c9..f910ae9 100644
--- a/file
+++ b/file
@@ -1,4 +1,4 @@
baseline
content
-newcontent
+more
lines
EOF
'
test_expect_success 'real edit works' '
test_write_lines e n d | git add -p &&
git diff >output &&
diff_cmp expected output
'
test_expect_success 'setup file' '
test_write_lines a "" b "" c >file &&
git add file &&
test_write_lines a "" d "" c >file
'
test_expect_success 'setup patch' '
SP=" " &&
NULL="" &&
cat >patch <<-EOF
@@ -1,4 +1,4 @@
a
$NULL
-b
+f
$SP
c
EOF
'
test_expect_success 'setup expected' '
cat >expected <<-EOF
diff --git a/file b/file
index b5dd6c9..f910ae9 100644
--- a/file
+++ b/file
@@ -1,5 +1,5 @@
a
$SP
-f
+d
$SP
c
EOF
'
test_expect_success 'edit can strip spaces from empty context lines' '
test_write_lines e n q | git add -p 2>error &&
test_must_be_empty error &&
git diff >output &&
diff_cmp expected output
'
test_expect_success 'skip files similarly as commit -a' '
git reset &&
echo file >.gitignore &&
echo changed >file &&
echo y | git add -p file &&
git diff >output &&
git reset &&
git commit -am commit &&
git diff >expected &&
diff_cmp expected output &&
git reset --hard HEAD^
'
rm -f .gitignore
test_expect_success FILEMODE 'patch does not affect mode' '
git reset --hard &&
echo content >>file &&
chmod +x file &&
printf "n\\ny\\n" | git add -p &&
git show :file | grep content &&
git diff file | grep "new mode"
'
test_expect_success FILEMODE 'stage mode but not hunk' '
git reset --hard &&
echo content >>file &&
chmod +x file &&
printf "y\\nn\\n" | git add -p &&
git diff --cached file | grep "new mode" &&
git diff file | grep "+content"
'
test_expect_success FILEMODE 'stage mode and hunk' '
git reset --hard &&
echo content >>file &&
chmod +x file &&
printf "y\\ny\\n" | git add -p &&
git diff --cached file | grep "new mode" &&
git diff --cached file | grep "+content" &&
test -z "$(git diff file)"
'
# end of tests disabled when filemode is not usable
test_expect_success 'different prompts for mode change/deleted' '
git reset --hard &&
>file &&
>deleted &&
git add --chmod=+x file deleted &&
echo changed >file &&
rm deleted &&
test_write_lines n n n |
git -c core.filemode=true add -p >actual &&
sed -n "s/^\(([0-9/]*) Stage .*?\).*/\1/p" actual >actual.filtered &&
cat >expect <<-\EOF &&
(1/1) Stage deletion [y,n,q,a,d,?]?
(1/2) Stage mode change [y,n,q,a,d,j,J,g,/,?]?
(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]?
EOF
test_cmp expect actual.filtered
'
test_expect_success 'correct message when there is nothing to do' '
git reset --hard &&
git add -p 2>err &&
test_i18ngrep "No changes" err &&
printf "\\0123" >binary &&
git add binary &&
printf "\\0abc" >binary &&
git add -p 2>err &&
test_i18ngrep "Only binary files changed" err
'
test_expect_success 'setup again' '
git reset --hard &&
test_chmod +x file &&
echo content >>file &&
test_write_lines A B C D>file2 &&
git add file2
'
# Write the patch file with a new line at the top and bottom
test_expect_success 'setup patch' '
cat >patch <<-\EOF
index 180b47c..b6f2c08 100644
--- a/file
+++ b/file
@@ -1,2 +1,4 @@
+firstline
baseline
content
+lastline
\ No newline at end of file
diff --git a/file2 b/file2
index 8422d40..35b930a 100644
--- a/file2
+++ b/file2
@@ -1,4 +1,5 @@
-A
+Z
B
+Y
C
-D
+X
EOF
'
# Expected output, diff is similar to the patch but w/ diff at the top
test_expect_success 'setup expected' '
echo diff --git a/file b/file >expected &&
sed -e "/^index 180b47c/s/ 100644/ 100755/" \
-e /1,5/s//1,4/ \
-e /Y/d patch >>expected &&
cat >expected-output <<-\EOF
--- a/file
+++ b/file
@@ -1,2 +1,4 @@
+firstline
baseline
content
+lastline
\ No newline at end of file
@@ -1,2 +1,3 @@
+firstline
baseline
content
@@ -1,2 +2,3 @@
baseline
content
+lastline
\ No newline at end of file
--- a/file2
+++ b/file2
@@ -1,4 +1,5 @@
-A
+Z
B
+Y
C
-D
+X
@@ -1,2 +1,2 @@
-A
+Z
B
@@ -2,2 +2,3 @@
B
+Y
C
@@ -3,2 +4,2 @@
C
-D
+X
EOF
'
# Test splitting the first patch, then adding both
test_expect_success 'add first line works' '
git commit -am "clear local changes" &&
git apply patch &&
test_write_lines s y y s y n y | git add -p 2>error >raw-output &&
sed -n -e "s/^([1-9]\/[1-9]) Stage this hunk[^@]*\(@@ .*\)/\1/" \
-e "/^[-+@ \\\\]"/p raw-output >output &&
test_must_be_empty error &&
git diff --cached >diff &&
diff_cmp expected diff &&
test_cmp expected-output output
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
diff --git a/non-empty b/non-empty
deleted file mode 100644
index d95f3ad..0000000
--- a/non-empty
+++ /dev/null
@@ -1 +0,0 @@
-content
EOF
'
test_expect_success 'deleting a non-empty file' '
git reset --hard &&
echo content >non-empty &&
git add non-empty &&
git commit -m non-empty &&
rm non-empty &&
echo y | git add -p non-empty &&
git diff --cached >diff &&
diff_cmp expected diff
'
test_expect_success 'setup expected' '
cat >expected <<-\EOF
diff --git a/empty b/empty
deleted file mode 100644
index e69de29..0000000
EOF
'
test_expect_success 'deleting an empty file' '
git reset --hard &&
> empty &&
git add empty &&
git commit -m empty &&
rm empty &&
echo y | git add -p empty &&
git diff --cached >diff &&
diff_cmp expected diff
'
test_expect_success 'adding an empty file' '
git init added &&
(
cd added &&
test_commit initial &&
>empty &&
git add empty &&
test_tick &&
git commit -m empty &&
git tag added-file &&
git reset --hard HEAD^ &&
test_path_is_missing empty &&
echo y | git checkout -p added-file -- >actual &&
test_path_is_file empty &&
test_i18ngrep "Apply addition to index and worktree" actual
)
'
test_expect_success 'split hunk setup' '
git reset --hard &&
test_write_lines 10 20 30 40 50 60 >test &&
git add test &&
test_tick &&
git commit -m test &&
test_write_lines 10 15 20 21 22 23 24 30 40 50 60 >test
'
test_expect_success 'goto hunk' '
test_when_finished "git reset" &&
tr _ " " >expect <<-EOF &&
(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? + 1: -1,2 +1,3 +15
_ 2: -2,4 +3,8 +21
go to which hunk? @@ -1,2 +1,3 @@
_10
+15
_20
(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
EOF
test_write_lines s y g 1 | git add -p >actual &&
tail -n 7 <actual >actual.trimmed &&
test_cmp expect actual.trimmed
'
test_expect_success 'navigate to hunk via regex' '
test_when_finished "git reset" &&
tr _ " " >expect <<-EOF &&
(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? @@ -1,2 +1,3 @@
_10
+15
_20
(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_
EOF
test_write_lines s y /1,2 | git add -p >actual &&
tail -n 5 <actual >actual.trimmed &&
test_cmp expect actual.trimmed
'
test_expect_success 'split hunk "add -p (edit)"' '
# Split, say Edit and do nothing. Then:
#
# 1. Broken version results in a patch that does not apply and
# only takes [y/n] (edit again) so the first q is discarded
# and then n attempts to discard the edit. Repeat q enough
# times to get out.
#
# 2. Correct version applies the (not)edited version, and asks
# about the next hunk, against which we say q and program
# exits.
printf "%s\n" s e q n q q |
EDITOR=: git add -p &&
git diff >actual &&
! grep "^+15" actual
'
test_expect_failure 'split hunk "add -p (no, yes, edit)"' '
test_write_lines 5 10 20 21 30 31 40 50 60 >test &&
git reset &&
# test sequence is s(plit), n(o), y(es), e(dit)
# q n q q is there to make sure we exit at the end.
printf "%s\n" s n y e q n q q |
EDITOR=: git add -p 2>error &&
test_must_be_empty error &&
git diff >actual &&
! grep "^+31" actual
'
test_expect_success 'split hunk with incomplete line at end' '
git reset --hard &&
printf "missing LF" >>test &&
git add test &&
test_write_lines before 10 20 30 40 50 60 70 >test &&
git grep --cached missing &&
test_write_lines s n y q | git add -p &&
test_must_fail git grep --cached missing &&
git grep before &&
test_must_fail git grep --cached before
'
test_expect_failure 'edit, adding lines to the first hunk' '
test_write_lines 10 11 20 30 40 50 51 60 >test &&
git reset &&
tr _ " " >patch <<-EOF &&
@@ -1,5 +1,6 @@
_10
+11
+12
_20
+21
+22
_30
EOF
# test sequence is s(plit), e(dit), n(o)
# q n q q is there to make sure we exit at the end.
printf "%s\n" s e n q n q q |
EDITOR=./fake_editor.sh git add -p 2>error &&
test_must_be_empty error &&
git diff --cached >actual &&
grep "^+22" actual
'
test_expect_success 'patch mode ignores unmerged entries' '
git reset --hard &&
test_commit conflict &&
test_commit non-conflict &&
git checkout -b side &&
test_commit side conflict.t &&
git checkout main &&
test_commit main conflict.t &&
test_must_fail git merge side &&
echo changed >non-conflict.t &&
echo y | git add -p >output &&
! grep a/conflict.t output &&
cat >expected <<-\EOF &&
* Unmerged path conflict.t
diff --git a/non-conflict.t b/non-conflict.t
index f766221..5ea2ed4 100644
--- a/non-conflict.t
+++ b/non-conflict.t
@@ -1 +1 @@
-non-conflict
+changed
EOF
git diff --cached >diff &&
diff_cmp expected diff
'
test_expect_success 'index is refreshed after applying patch' '
git reset --hard &&
echo content >test &&
printf y | git add -p &&
git diff-files --exit-code
'
test_expect_success 'diffs can be colorized' '
git reset --hard &&
echo content >test &&
printf y >y &&
force_color git add -p >output 2>&1 <y &&
git diff-files --exit-code &&
# We do not want to depend on the exact coloring scheme
# git uses for diffs, so just check that we saw some kind of color.
grep "$(printf "\\033")" output
'
test_expect_success 'colors can be overridden' '
git reset --hard &&
test_when_finished "git rm -f color-test" &&
test_write_lines context old more-context >color-test &&
git add color-test &&
test_write_lines context new more-context another-one >color-test &&
echo trigger an error message >input &&
force_color git \
-c color.interactive.error=blue \
add -i 2>err.raw <input &&
test_decode_color <err.raw >err &&
grep "<BLUE>Huh (trigger)?<RESET>" err &&
test_write_lines help quit >input &&
force_color git \
-c color.interactive.header=red \
-c color.interactive.help=green \
-c color.interactive.prompt=yellow \
add -i >actual.raw <input &&
test_decode_color <actual.raw >actual &&
cat >expect <<-\EOF &&
<RED> staged unstaged path<RESET>
1: +3/-0 +2/-1 color-test
<RED>*** Commands ***<RESET>
1: <YELLOW>s<RESET>tatus 2: <YELLOW>u<RESET>pdate 3: <YELLOW>r<RESET>evert 4: <YELLOW>a<RESET>dd untracked
5: <YELLOW>p<RESET>atch 6: <YELLOW>d<RESET>iff 7: <YELLOW>q<RESET>uit 8: <YELLOW>h<RESET>elp
<YELLOW>What now<RESET>> <GREEN>status - show paths with changes<RESET>
<GREEN>update - add working tree state to the staged set of changes<RESET>
<GREEN>revert - revert staged set of changes back to the HEAD version<RESET>
<GREEN>patch - pick hunks and update selectively<RESET>
<GREEN>diff - view diff between HEAD and index<RESET>
<GREEN>add untracked - add contents of untracked files to the staged set of changes<RESET>
<RED>*** Commands ***<RESET>
1: <YELLOW>s<RESET>tatus 2: <YELLOW>u<RESET>pdate 3: <YELLOW>r<RESET>evert 4: <YELLOW>a<RESET>dd untracked
5: <YELLOW>p<RESET>atch 6: <YELLOW>d<RESET>iff 7: <YELLOW>q<RESET>uit 8: <YELLOW>h<RESET>elp
<YELLOW>What now<RESET>> Bye.
EOF
test_cmp expect actual &&
: exercise recolor_hunk by editing and then look at the hunk again &&
test_write_lines s e K q >input &&
force_color git \
-c color.interactive.prompt=yellow \
-c color.diff.meta=italic \
-c color.diff.frag=magenta \
-c color.diff.context=cyan \
-c color.diff.old=bold \
-c color.diff.new=blue \
-c core.editor=touch \
add -p >actual.raw <input &&
test_decode_color <actual.raw >actual.decoded &&
sed "s/index [0-9a-f]*\\.\\.[0-9a-f]* 100644/<INDEX-LINE>/" <actual.decoded >actual &&
cat >expect <<-\EOF &&
<ITALIC>diff --git a/color-test b/color-test<RESET>
<ITALIC><INDEX-LINE><RESET>
<ITALIC>--- a/color-test<RESET>
<ITALIC>+++ b/color-test<RESET>
<MAGENTA>@@ -1,3 +1,4 @@<RESET>
<CYAN> context<RESET>
<BOLD>-old<RESET>
<BLUE>+<RESET><BLUE>new<RESET>
<CYAN> more-context<RESET>
<BLUE>+<RESET><BLUE>another-one<RESET>
<YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,?]? <RESET><BOLD>Split into 2 hunks.<RESET>
<MAGENTA>@@ -1,3 +1,3 @@<RESET>
<CYAN> context<RESET>
<BOLD>-old<RESET>
<BLUE>+<RESET><BLUE>new<RESET>
<CYAN> more-context<RESET>
<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET>
<CYAN> more-context<RESET>
<BLUE>+<RESET><BLUE>another-one<RESET>
<YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET>
<CYAN> context<RESET>
<BOLD>-old<RESET>
<BLUE>+new<RESET>
<CYAN> more-context<RESET>
<YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET>
EOF
test_cmp expect actual
'
test_expect_success 'colorized diffs respect diff.wsErrorHighlight' '
git reset --hard &&
echo "old " >test &&
git add test &&
echo "new " >test &&
printf y >y &&
force_color git -c diff.wsErrorHighlight=all add -p >output.raw 2>&1 <y &&
test_decode_color <output.raw >output &&
grep "old<" output
'
test_expect_success 'diffFilter filters diff' '
git reset --hard &&
echo content >test &&
test_config interactive.diffFilter "sed s/^/foo:/" &&
printf y >y &&
force_color git add -p >output 2>&1 <y &&
# avoid depending on the exact coloring or content of the prompts,
# and just make sure we saw our diff prefixed
grep foo:.*content output
'
test_expect_success 'detect bogus diffFilter output' '
git reset --hard &&
echo content >test &&
test_config interactive.diffFilter "sed 1d" &&
printf y >y &&
force_color test_must_fail git add -p <y
'
test_expect_success 'diff.algorithm is passed to `git diff-files`' '
git reset --hard &&
>file &&
git add file &&
echo changed >file &&
test_must_fail git -c diff.algorithm=bogus add -p 2>err &&
test_i18ngrep "error: option diff-algorithm accepts " err
'
test_expect_success 'patch-mode via -i prompts for files' '
git reset --hard &&
echo one >file &&
echo two >test &&
git add -i <<-\EOF &&
patch
test
y
quit
EOF
echo test >expect &&
git diff --cached --name-only >actual &&
diff_cmp expect actual
'
test_expect_success 'add -p handles globs' '
git reset --hard &&
mkdir -p subdir &&
echo base >one.c &&
echo base >subdir/two.c &&
git add "*.c" &&
git commit -m base &&
echo change >one.c &&
echo change >subdir/two.c &&
git add -p "*.c" <<-\EOF &&
y
y
EOF
cat >expect <<-\EOF &&
one.c
subdir/two.c
EOF
git diff --cached --name-only >actual &&
test_cmp expect actual
'
test_expect_success 'add -p handles relative paths' '
git reset --hard &&
echo base >relpath.c &&
git add "*.c" &&
git commit -m relpath &&
echo change >relpath.c &&
mkdir -p subdir &&
git -C subdir add -p .. 2>error <<-\EOF &&
y
EOF
test_must_be_empty error &&
cat >expect <<-\EOF &&
relpath.c
EOF
git diff --cached --name-only >actual &&
test_cmp expect actual
'
test_expect_success 'add -p does not expand argument lists' '
git reset --hard &&
echo content >not-changed &&
git add not-changed &&
git commit -m "add not-changed file" &&
echo change >file &&
GIT_TRACE=$(pwd)/trace.out git add -p . <<-\EOF &&
y
EOF
# we know that "file" must be mentioned since we actually
# update it, but we want to be sure that our "." pathspec
# was not expanded into the argument list of any command.
# So look only for "not-changed".
! grep -E "^trace: (built-in|exec|run_command): .*not-changed" trace.out
'
test_expect_success 'hunk-editing handles custom comment char' '
git reset --hard &&
echo change >>file &&
test_config core.commentChar "\$" &&
echo e | GIT_EDITOR=true git add -p &&
git diff --exit-code
'
test_expect_success 'add -p works even with color.ui=always' '
git reset --hard &&
echo change >>file &&
test_config color.ui always &&
echo y | git add -p &&
echo file >expect &&
git diff --cached --name-only >actual &&
test_cmp expect actual
'
test_expect_success 'setup different kinds of dirty submodules' '
test_create_repo for-submodules &&
(
cd for-submodules &&
test_commit initial &&
test_create_repo dirty-head &&
(
cd dirty-head &&
test_commit initial
) &&
cp -R dirty-head dirty-otherwise &&
cp -R dirty-head dirty-both-ways &&
git add dirty-head &&
git add dirty-otherwise dirty-both-ways &&
git commit -m initial &&
cd dirty-head &&
test_commit updated &&
cd ../dirty-both-ways &&
test_commit updated &&
echo dirty >>initial &&
: >untracked &&
cd ../dirty-otherwise &&
echo dirty >>initial &&
: >untracked
) &&
git -C for-submodules diff-files --name-only >actual &&
cat >expected <<-\EOF &&
dirty-both-ways
dirty-head
EOF
test_cmp expected actual &&
git -C for-submodules diff-files --name-only --ignore-submodules=none >actual &&
cat >expected <<-\EOF &&
dirty-both-ways
dirty-head
dirty-otherwise
EOF
test_cmp expected actual &&
git -C for-submodules diff-files --name-only --ignore-submodules=dirty >actual &&
cat >expected <<-\EOF &&
dirty-both-ways
dirty-head
EOF
test_cmp expected actual
'
test_expect_success 'status ignores dirty submodules (except HEAD)' '
git -C for-submodules add -i </dev/null >output &&
grep dirty-head output &&
grep dirty-both-ways output &&
! grep dirty-otherwise output
'
test_expect_success 'set up pathological context' '
git reset --hard &&
test_write_lines a a a a a a a a a a a >a &&
git add a &&
git commit -m a &&
test_write_lines c b a a a a a a a b a a a a >a &&
test_write_lines a a a a a a a b a a a a >expected-1 &&
test_write_lines b a a a a a a a b a a a a >expected-2 &&
# check editing can cope with missing header and deleted context lines
# as well as changes to other lines
test_write_lines +b " a" >patch
'
test_expect_success 'add -p works with pathological context lines' '
git reset &&
printf "%s\n" n y |
git add -p &&
git cat-file blob :a >actual &&
test_cmp expected-1 actual
'
test_expect_success 'add -p patch editing works with pathological context lines' '
git reset &&
# n q q below is in case edit fails
printf "%s\n" e y n q q |
git add -p &&
git cat-file blob :a >actual &&
test_cmp expected-2 actual
'
test_expect_success 'checkout -p works with pathological context lines' '
test_write_lines a a a a a a >a &&
git add a &&
test_write_lines a b a b a b a b a b a >a &&
test_write_lines s n n y q | git checkout -p &&
test_write_lines a b a b a a b a b a >expect &&
test_cmp expect a
'
# This should be called from a subshell as it sets a temporary editor
setup_new_file() {
write_script new-file-editor.sh <<-\EOF &&
sed /^#/d "$1" >patch &&
sed /^+c/d patch >"$1"
EOF
test_set_editor "$(pwd)/new-file-editor.sh" &&
test_write_lines a b c d e f >new-file &&
test_write_lines a b d e f >new-file-expect &&
test_write_lines "@@ -0,0 +1,6 @@" +a +b +c +d +e +f >patch-expect
}
test_expect_success 'add -N followed by add -p patch editing' '
git reset --hard &&
(
setup_new_file &&
git add -N new-file &&
test_write_lines e n q | git add -p &&
git cat-file blob :new-file >actual &&
test_cmp new-file-expect actual &&
test_cmp patch-expect patch
)
'
test_expect_success 'checkout -p patch editing of added file' '
git reset --hard &&
(
setup_new_file &&
git add new-file &&
git commit -m "add new file" &&
git rm new-file &&
git commit -m "remove new file" &&
test_write_lines e n q | git checkout -p HEAD^ &&
test_cmp new-file-expect new-file &&
test_cmp patch-expect patch
)
'
test_expect_success 'show help from add--helper' '
git reset --hard &&
cat >expect <<-EOF &&
<BOLD>*** Commands ***<RESET>
1: <BOLD;BLUE>s<RESET>tatus 2: <BOLD;BLUE>u<RESET>pdate 3: <BOLD;BLUE>r<RESET>evert 4: <BOLD;BLUE>a<RESET>dd untracked
5: <BOLD;BLUE>p<RESET>atch 6: <BOLD;BLUE>d<RESET>iff 7: <BOLD;BLUE>q<RESET>uit 8: <BOLD;BLUE>h<RESET>elp
<BOLD;BLUE>What now<RESET>> <BOLD;RED>status - show paths with changes<RESET>
<BOLD;RED>update - add working tree state to the staged set of changes<RESET>
<BOLD;RED>revert - revert staged set of changes back to the HEAD version<RESET>
<BOLD;RED>patch - pick hunks and update selectively<RESET>
<BOLD;RED>diff - view diff between HEAD and index<RESET>
<BOLD;RED>add untracked - add contents of untracked files to the staged set of changes<RESET>
<BOLD>*** Commands ***<RESET>
1: <BOLD;BLUE>s<RESET>tatus 2: <BOLD;BLUE>u<RESET>pdate 3: <BOLD;BLUE>r<RESET>evert 4: <BOLD;BLUE>a<RESET>dd untracked
5: <BOLD;BLUE>p<RESET>atch 6: <BOLD;BLUE>d<RESET>iff 7: <BOLD;BLUE>q<RESET>uit 8: <BOLD;BLUE>h<RESET>elp
<BOLD;BLUE>What now<RESET>>$SP
Bye.
EOF
test_write_lines h | force_color git add -i >actual.colored &&
test_decode_color <actual.colored >actual &&
test_cmp expect actual
'
test_done
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