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git/t/t6200-fmt-merge-msg.sh
Eric Sunshine 0c51d6b4ae t6000-t9999: 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
#
# Copyright (c) 2006, Junio C Hamano
#
test_description='fmt-merge-msg test'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
. "$TEST_DIRECTORY/lib-gpg.sh"
test_expect_success setup '
echo one >one &&
git add one &&
test_tick &&
git commit -m "Initial" &&
git clone . remote &&
echo uno >one &&
echo dos >two &&
git add two &&
test_tick &&
git commit -a -m "Second" &&
git checkout -b left &&
echo "c1" >one &&
test_tick &&
git commit -a -m "Common #1" &&
echo "c2" >one &&
test_tick &&
git commit -a -m "Common #2" &&
git branch right &&
echo "l3" >two &&
test_tick &&
GIT_COMMITTER_NAME="Another Committer" \
GIT_AUTHOR_NAME="Another Author" git commit -a -m "Left #3" &&
echo "l4" >two &&
test_tick &&
GIT_COMMITTER_NAME="Another Committer" \
GIT_AUTHOR_NAME="Another Author" git commit -a -m "Left #4" &&
echo "l5" >two &&
test_tick &&
GIT_COMMITTER_NAME="Another Committer" \
GIT_AUTHOR_NAME="Another Author" git commit -a -m "Left #5" &&
git tag tag-l5 &&
git checkout right &&
echo "r3" >three &&
git add three &&
test_tick &&
git commit -a -m "Right #3" &&
git tag tag-r3 &&
echo "r4" >three &&
test_tick &&
git commit -a -m "Right #4" &&
echo "r5" >three &&
test_tick &&
git commit -a -m "Right #5" &&
git checkout -b long &&
test_commit_bulk --start=0 --message=%s --filename=one 30 &&
git show-branch &&
apos="'\''"
'
test_expect_success GPG 'set up a signed tag' '
git tag -s -m signed-tag-msg signed-good-tag left
'
test_expect_success GPGSSH 'created ssh signed commit and tag' '
test_config gpg.format ssh &&
git checkout -b signed-ssh &&
touch file &&
git add file &&
git commit -m "ssh signed" -S"${GPGSSH_KEY_PRIMARY}" &&
git tag -s -u"${GPGSSH_KEY_PRIMARY}" -m signed-ssh-tag-msg signed-good-ssh-tag left &&
git tag -s -u"${GPGSSH_KEY_UNTRUSTED}" -m signed-ssh-tag-msg-untrusted signed-untrusted-ssh-tag left
'
test_expect_success 'message for merging local branch' '
echo "Merge branch ${apos}left${apos}" >expected &&
git checkout main &&
git fetch . left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success GPG 'message for merging local tag signed by good key' '
git checkout main &&
git fetch . signed-good-tag &&
git fmt-merge-msg <.git/FETCH_HEAD >actual 2>&1 &&
grep "^Merge tag ${apos}signed-good-tag${apos}" actual &&
grep "^# gpg: Signature made" actual &&
grep "^# gpg: Good signature from" actual
'
test_expect_success GPG 'message for merging local tag signed by unknown key' '
git checkout main &&
git fetch . signed-good-tag &&
GNUPGHOME=. git fmt-merge-msg <.git/FETCH_HEAD >actual 2>&1 &&
grep "^Merge tag ${apos}signed-good-tag${apos}" actual &&
grep "^# gpg: Signature made" actual &&
grep -E "^# gpg: Can${apos}t check signature: (public key not found|No public key)" actual
'
test_expect_success GPGSSH 'message for merging local tag signed by good ssh key' '
test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
git checkout main &&
git fetch . signed-good-ssh-tag &&
git fmt-merge-msg <.git/FETCH_HEAD >actual 2>&1 &&
grep "${GPGSSH_GOOD_SIGNATURE_TRUSTED}" actual &&
! grep "${GPGSSH_BAD_SIGNATURE}" actual
'
test_expect_success GPGSSH 'message for merging local tag signed by unknown ssh key' '
test_config gpg.ssh.allowedSignersFile "${GPGSSH_ALLOWED_SIGNERS}" &&
git checkout main &&
git fetch . signed-untrusted-ssh-tag &&
git fmt-merge-msg <.git/FETCH_HEAD >actual 2>&1 &&
grep "${GPGSSH_GOOD_SIGNATURE_UNTRUSTED}" actual &&
! grep "${GPGSSH_BAD_SIGNATURE}" actual &&
grep "${GPGSSH_KEY_NOT_TRUSTED}" actual
'
test_expect_success 'message for merging external branch' '
echo "Merge branch ${apos}left${apos} of $(pwd)" >expected &&
git checkout main &&
git fetch "$(pwd)" left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '[merge] summary/log configuration' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
test_config merge.log true &&
test_unconfig merge.summary &&
git checkout main &&
test_tick &&
git fetch . left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual1 &&
test_unconfig merge.log &&
test_config merge.summary true &&
git checkout main &&
test_tick &&
git fetch . left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual2 &&
test_cmp expected actual1 &&
test_cmp expected actual2
'
test_expect_success 'setup FETCH_HEAD' '
git checkout main &&
test_tick &&
git fetch . left
'
test_expect_success 'merge.log=3 limits shortlog length' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left: (5 commits)
Left #5
Left #4
Left #3
...
EOF
git -c merge.log=3 fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge.log=5 shows all 5 commits' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
git -c merge.log=5 fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '--log=5 with custom comment character' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
x By Another Author (3) and A U Thor (2)
x Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
git -c core.commentchar="x" fmt-merge-msg --log=5 <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge.log=0 disables shortlog' '
echo "Merge branch ${apos}left${apos}" >expected &&
git -c merge.log=0 fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '--log=3 limits shortlog length' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left: (5 commits)
Left #5
Left #4
Left #3
...
EOF
git fmt-merge-msg --log=3 <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '--log=5 shows all 5 commits' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
git fmt-merge-msg --log=5 <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '--no-log disables shortlog' '
echo "Merge branch ${apos}left${apos}" >expected &&
git fmt-merge-msg --no-log <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success '--log=0 disables shortlog' '
echo "Merge branch ${apos}left${apos}" >expected &&
git fmt-merge-msg --no-log <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'fmt-merge-msg -m' '
echo "Sync with left" >expected &&
cat >expected.log <<-EOF &&
Sync with left
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* ${apos}left${apos} of $(pwd):
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
test_unconfig merge.log &&
test_unconfig merge.summary &&
git checkout main &&
git fetch "$(pwd)" left &&
git fmt-merge-msg -m "Sync with left" <.git/FETCH_HEAD >actual &&
git fmt-merge-msg --log -m "Sync with left" \
<.git/FETCH_HEAD >actual.log &&
test_config merge.log true &&
git fmt-merge-msg -m "Sync with left" \
<.git/FETCH_HEAD >actual.log-config &&
git fmt-merge-msg --no-log -m "Sync with left" \
<.git/FETCH_HEAD >actual.nolog &&
test_cmp expected actual &&
test_cmp expected.log actual.log &&
test_cmp expected.log actual.log-config &&
test_cmp expected actual.nolog
'
test_expect_success 'setup: expected shortlog for two branches' '
cat >expected <<-EOF
Merge branches ${apos}left${apos} and ${apos}right${apos}
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
* right:
Right #5
Right #4
Right #3
Common #2
Common #1
EOF
'
test_expect_success 'shortlog for two branches' '
test_config merge.log true &&
test_unconfig merge.summary &&
git checkout main &&
test_tick &&
git fetch . left right &&
git fmt-merge-msg <.git/FETCH_HEAD >actual1 &&
test_unconfig merge.log &&
test_config merge.summary true &&
git checkout main &&
test_tick &&
git fetch . left right &&
git fmt-merge-msg <.git/FETCH_HEAD >actual2 &&
test_config merge.log yes &&
test_unconfig merge.summary &&
git checkout main &&
test_tick &&
git fetch . left right &&
git fmt-merge-msg <.git/FETCH_HEAD >actual3 &&
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . left right &&
git fmt-merge-msg <.git/FETCH_HEAD >actual4 &&
test_cmp expected actual1 &&
test_cmp expected actual2 &&
test_cmp expected actual3 &&
test_cmp expected actual4
'
test_expect_success 'merge-msg -F' '
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . left right &&
git fmt-merge-msg -F .git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg -F in subdirectory' '
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . left right &&
mkdir sub &&
cp .git/FETCH_HEAD sub/FETCH_HEAD &&
(
cd sub &&
git fmt-merge-msg -F FETCH_HEAD >../actual
) &&
test_cmp expected actual
'
test_expect_success 'merge-msg with nothing to merge' '
test_unconfig merge.log &&
test_config merge.summary yes &&
(
cd remote &&
git checkout -b unrelated &&
test_tick &&
git fetch origin &&
git fmt-merge-msg <.git/FETCH_HEAD >../actual
) &&
test_must_be_empty actual
'
test_expect_success 'merge-msg tag' '
cat >expected <<-EOF &&
Merge tag ${apos}tag-r3${apos}
* tag ${apos}tag-r3${apos}:
Right #3
Common #2
Common #1
EOF
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . tag tag-r3 &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg two tags' '
cat >expected <<-EOF &&
Merge tags ${apos}tag-r3${apos} and ${apos}tag-l5${apos}
* tag ${apos}tag-r3${apos}:
Right #3
Common #2
Common #1
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* tag ${apos}tag-l5${apos}:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . tag tag-r3 tag tag-l5 &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg tag and branch' '
cat >expected <<-EOF &&
Merge branch ${apos}left${apos}, tag ${apos}tag-r3${apos}
* tag ${apos}tag-r3${apos}:
Right #3
Common #2
Common #1
# By Another Author (3) and A U Thor (2)
# Via Another Committer
* left:
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
test_unconfig merge.log &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . tag tag-r3 left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg lots of commits' '
{
cat <<-EOF &&
Merge branch ${apos}long${apos}
* long: (35 commits)
EOF
i=29 &&
while test $i -gt 9
do
echo " $i" &&
i=$(($i-1)) || return 1
done &&
echo " ..."
} >expected &&
test_config merge.summary yes &&
git checkout main &&
test_tick &&
git fetch . long &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg with "merging" an annotated tag' '
test_config merge.log true &&
git checkout main^0 &&
git commit --allow-empty -m "One step ahead" &&
git tag -a -m "An annotated one" annote HEAD &&
git checkout main &&
git fetch . annote &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
{
cat <<-\EOF
Merge tag '\''annote'\''
An annotated one
* tag '\''annote'\'':
One step ahead
EOF
} >expected &&
test_cmp expected actual &&
test_when_finished "git reset --hard" &&
annote=$(git rev-parse annote) &&
git merge --no-commit --no-ff $annote &&
{
cat <<-EOF
Merge tag '\''$annote'\''
An annotated one
* tag '\''$annote'\'':
One step ahead
EOF
} >expected &&
test_cmp expected .git/MERGE_MSG
'
test_expect_success 'merge.suppressDest configuration' '
git checkout -B side main &&
git commit --allow-empty -m "One step ahead" &&
git checkout main &&
git fetch . side &&
git -c merge.suppressDest="" fmt-merge-msg <.git/FETCH_HEAD >full.1 &&
head -n1 full.1 >actual &&
grep -e "Merge branch .side. into main" actual &&
git -c merge.suppressDest="mast" fmt-merge-msg <.git/FETCH_HEAD >full.2 &&
head -n1 full.2 >actual &&
grep -e "Merge branch .side. into main$" actual &&
git -c merge.suppressDest="ma?*[rn]" fmt-merge-msg <.git/FETCH_HEAD >full.3 &&
head -n1 full.3 >actual &&
grep -e "Merge branch .side." actual &&
! grep -e " into main$" actual
'
test_done
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