git-commit-vandalism/t/t3920-crlf-messages.sh
Eric Sunshine db5875aa9f t0000-t3999: detect and signal failure within loop
Failures within `for` and `while` loops can go unnoticed if not detected
and signaled manually since the loop itself does not abort when a
contained command fails, nor will a failure necessarily be detected when
the loop finishes since the loop returns the exit code of the last
command it ran on the final iteration, which may not be the command
which failed. Therefore, detect and signal failures manually within
loops using the idiom `|| return 1` (or `|| exit 1` within subshells).

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-12-13 10:29:48 -08:00

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#!/bin/sh
test_description='Test ref-filter and pretty APIs for commit and tag messages using CRLF'
. ./test-lib.sh
LIB_CRLF_BRANCHES=""
create_crlf_ref () {
branch="$1" &&
cat >.crlf-orig-$branch.txt &&
cat .crlf-orig-$branch.txt | append_cr >.crlf-message-$branch.txt &&
grep 'Subject' .crlf-orig-$branch.txt | tr '\n' ' ' | sed 's/[ ]*$//' | tr -d '\n' >.crlf-subject-$branch.txt &&
grep 'Body' .crlf-message-$branch.txt >.crlf-body-$branch.txt || true &&
LIB_CRLF_BRANCHES="${LIB_CRLF_BRANCHES} ${branch}" &&
test_tick &&
hash=$(git commit-tree HEAD^{tree} -p HEAD -F .crlf-message-${branch}.txt) &&
git branch ${branch} ${hash} &&
git tag tag-${branch} ${branch} -F .crlf-message-${branch}.txt --cleanup=verbatim
}
create_crlf_refs () {
create_crlf_ref crlf <<-\EOF &&
Subject first line
Body first line
Body second line
EOF
create_crlf_ref crlf-empty-lines-after-subject <<-\EOF &&
Subject first line
Body first line
Body second line
EOF
create_crlf_ref crlf-two-line-subject <<-\EOF &&
Subject first line
Subject second line
Body first line
Body second line
EOF
create_crlf_ref crlf-two-line-subject-no-body <<-\EOF &&
Subject first line
Subject second line
EOF
create_crlf_ref crlf-two-line-subject-no-body-trailing-newline <<-\EOF
Subject first line
Subject second line
EOF
}
test_crlf_subject_body_and_contents() {
command_and_args="$@" &&
command=$1 &&
if test ${command} = "branch" || test ${command} = "for-each-ref" || test ${command} = "tag"
then
atoms="(contents:subject) (contents:body) (contents)"
elif test ${command} = "log" || test ${command} = "show"
then
atoms="s b B"
fi &&
files="subject body message" &&
while test -n "${atoms}"
do
set ${atoms} && atom=$1 && shift && atoms="$*" &&
set ${files} && file=$1 && shift && files="$*" &&
test_expect_success "${command}: --format='%${atom}' works with messages using CRLF" "
rm -f expect &&
for ref in ${LIB_CRLF_BRANCHES}
do
cat .crlf-${file}-\"\${ref}\".txt >>expect &&
printf \"\n\" >>expect || return 1
done &&
git $command_and_args --format=\"%${atom}\" >actual &&
test_cmp expect actual
"
done
}
test_expect_success 'Setup refs with commit and tag messages using CRLF' '
test_commit inital &&
create_crlf_refs
'
test_expect_success 'branch: --verbose works with messages using CRLF' '
rm -f expect &&
for branch in $LIB_CRLF_BRANCHES
do
printf " " >>expect &&
cat .crlf-subject-${branch}.txt >>expect &&
printf "\n" >>expect || return 1
done &&
git branch -v >tmp &&
# Remove first two columns, and the line for the currently checked out branch
current=$(git branch --show-current) &&
grep -v $current <tmp | awk "{\$1=\$2=\"\"}1" >actual &&
test_cmp expect actual
'
test_crlf_subject_body_and_contents branch --list crlf*
test_crlf_subject_body_and_contents tag --list tag-crlf*
test_crlf_subject_body_and_contents for-each-ref refs/heads/crlf*
test_expect_success 'log: --oneline works with messages using CRLF' '
for branch in $LIB_CRLF_BRANCHES
do
cat .crlf-subject-${branch}.txt >expect &&
printf "\n" >>expect &&
git log --oneline -1 ${branch} >tmp-branch &&
git log --oneline -1 tag-${branch} >tmp-tag &&
cut -d" " -f2- <tmp-branch >actual-branch &&
cut -d" " -f2- <tmp-tag >actual-tag &&
test_cmp expect actual-branch &&
test_cmp expect actual-tag || return 1
done
'
test_crlf_subject_body_and_contents log --all --reverse --grep Subject
test_crlf_subject_body_and_contents show $LIB_CRLF_BRANCHES
test_done