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git/t/t4204-patch-id.sh
Junio C Hamano 6b2edaa378 t4204 is not sanitizer clean at all
Earlier we marked that this patch-id test is leak-sanitizer clean,
but if we read the test script carefully, it is merely because we
have too many invocations of commands in the "git log" family on the
upstream side of the pipe, hiding breakages from them.

Split the pipeline so that breakages from these commands can be
caught (not limited to aborts due to leak-sanitizer) and unmark
the script as not passing the test with leak-sanitizer in effect.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-16 15:18:31 -08:00

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#!/bin/sh
test_description='git patch-id'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
test_expect_success 'setup' '
as="a a a a a a a a" && # eight a
test_write_lines $as >foo &&
test_write_lines $as >bar &&
git add foo bar &&
git commit -a -m initial &&
test_write_lines $as b >foo &&
test_write_lines $as b >bar &&
git commit -a -m first &&
git checkout -b same main &&
git commit --amend -m same-msg &&
git checkout -b notsame main &&
echo c >foo &&
echo c >bar &&
git commit --amend -a -m notsame-msg &&
test_write_lines bar foo >bar-then-foo &&
test_write_lines foo bar >foo-then-bar
'
test_expect_success 'patch-id output is well-formed' '
git log -p -1 >log.output &&
git patch-id <log.output >output &&
grep "^$OID_REGEX $(git rev-parse HEAD)$" output
'
#calculate patch id. Make sure output is not empty.
calc_patch_id () {
patch_name="$1"
shift
git patch-id "$@" >patch-id.output &&
sed "s/ .*//" patch-id.output >patch-id_"$patch_name" &&
test_line_count -gt 0 patch-id_"$patch_name"
}
get_top_diff () {
git log -p -1 "$@" -O bar-then-foo --
}
get_patch_id () {
get_top_diff "$1" >top-diff.output &&
calc_patch_id <top-diff.output "$@"
}
test_expect_success 'patch-id detects equality' '
get_patch_id main &&
get_patch_id same &&
test_cmp patch-id_main patch-id_same
'
test_expect_success 'patch-id detects inequality' '
get_patch_id main &&
get_patch_id notsame &&
! test_cmp patch-id_main patch-id_notsame
'
test_expect_success 'patch-id supports git-format-patch output' '
get_patch_id main &&
git checkout same &&
git format-patch -1 --stdout >format-patch.output &&
calc_patch_id same <format-patch.output &&
test_cmp patch-id_main patch-id_same &&
set $(git patch-id <format-patch.output) &&
test "$2" = $(git rev-parse HEAD)
'
test_expect_success 'whitespace is irrelevant in footer' '
get_patch_id main &&
git checkout same &&
git format-patch -1 --stdout >format-patch.output &&
sed "s/ \$//" format-patch.output | calc_patch_id same &&
test_cmp patch-id_main patch-id_same
'
cmp_patch_id () {
if
test "$1" = "relevant"
then
! test_cmp patch-id_"$2" patch-id_"$3"
else
test_cmp patch-id_"$2" patch-id_"$3"
fi
}
test_patch_id_file_order () {
relevant="$1"
shift
name="order-${1}-$relevant"
shift
get_top_diff "main" >top-diff.output &&
calc_patch_id <top-diff.output "$name" "$@" &&
git checkout same &&
git format-patch -1 --stdout -O foo-then-bar >format-patch.output &&
calc_patch_id <format-patch.output "ordered-$name" "$@" &&
cmp_patch_id $relevant "$name" "ordered-$name"
}
# combined test for options: add more tests here to make them
# run with all options
test_patch_id () {
test_patch_id_file_order "$@"
}
# small tests with detailed diagnostic for basic options.
test_expect_success 'file order is irrelevant with --stable' '
test_patch_id_file_order irrelevant --stable --stable
'
test_expect_success 'file order is relevant with --unstable' '
test_patch_id_file_order relevant --unstable --unstable
'
#Now test various option combinations.
test_expect_success 'default is unstable' '
test_patch_id relevant default
'
test_expect_success 'patchid.stable = true is stable' '
test_config patchid.stable true &&
test_patch_id irrelevant patchid.stable=true
'
test_expect_success 'patchid.stable = false is unstable' '
test_config patchid.stable false &&
test_patch_id relevant patchid.stable=false
'
test_expect_success '--unstable overrides patchid.stable = true' '
test_config patchid.stable true &&
test_patch_id relevant patchid.stable=true--unstable --unstable
'
test_expect_success '--stable overrides patchid.stable = false' '
test_config patchid.stable false &&
test_patch_id irrelevant patchid.stable=false--stable --stable
'
test_expect_success 'patch-id supports git-format-patch MIME output' '
get_patch_id main &&
git checkout same &&
git format-patch -1 --attach --stdout >format-patch.output &&
calc_patch_id <format-patch.output same &&
test_cmp patch-id_main patch-id_same
'
test_expect_success 'patch-id respects config from subdir' '
test_config patchid.stable true &&
mkdir subdir &&
# copy these because test_patch_id() looks for them in
# the current directory
cp bar-then-foo foo-then-bar subdir &&
(
cd subdir &&
test_patch_id irrelevant patchid.stable=true
)
'
cat >nonl <<\EOF
diff --git i/a w/a
index e69de29..2e65efe 100644
--- i/a
+++ w/a
@@ -0,0 +1 @@
+a
\ No newline at end of file
diff --git i/b w/b
index e69de29..6178079 100644
--- i/b
+++ w/b
@@ -0,0 +1 @@
+b
EOF
cat >withnl <<\EOF
diff --git i/a w/a
index e69de29..7898192 100644
--- i/a
+++ w/a
@@ -0,0 +1 @@
+a
diff --git i/b w/b
index e69de29..6178079 100644
--- i/b
+++ w/b
@@ -0,0 +1 @@
+b
EOF
test_expect_success 'patch-id handles no-nl-at-eof markers' '
cat nonl | calc_patch_id nonl &&
cat withnl | calc_patch_id withnl &&
test_cmp patch-id_nonl patch-id_withnl
'
test_done