git/t/t6200-fmt-merge-msg.sh
Johannes Schindelin 334afbc76f tests: mark tests relying on the current default for init.defaultBranch
In addition to the manual adjustment to let the `linux-gcc` CI job run
the test suite with `master` and then with `main`, this patch makes sure
that GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME is set in all test scripts
that currently rely on the initial branch name being `master by default.

To determine which test scripts to mark up, the first step was to
force-set the default branch name to `master` in

- all test scripts that contain the keyword `master`,

- t4211, which expects `t/t4211/history.export` with a hard-coded ref to
  initialize the default branch,

- t5560 because it sources `t/t556x_common` which uses `master`,

- t8002 and t8012 because both source `t/annotate-tests.sh` which also
  uses `master`)

This trick was performed by this command:

	$ sed -i '/^ *\. \.\/\(test-lib\|lib-\(bash\|cvs\|git-svn\)\|gitweb-lib\)\.sh$/i\
	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
	' $(git grep -l master t/t[0-9]*.sh) \
	t/t4211*.sh t/t5560*.sh t/t8002*.sh t/t8012*.sh

After that, careful, manual inspection revealed that some of the test
scripts containing the needle `master` do not actually rely on a
specific default branch name: either they mention `master` only in a
comment, or they initialize that branch specificially, or they do not
actually refer to the current default branch. Therefore, the
aforementioned modification was undone in those test scripts thusly:

	$ git checkout HEAD -- \
		t/t0027-auto-crlf.sh t/t0060-path-utils.sh \
		t/t1011-read-tree-sparse-checkout.sh \
		t/t1305-config-include.sh t/t1309-early-config.sh \
		t/t1402-check-ref-format.sh t/t1450-fsck.sh \
		t/t2024-checkout-dwim.sh \
		t/t2106-update-index-assume-unchanged.sh \
		t/t3040-subprojects-basic.sh t/t3301-notes.sh \
		t/t3308-notes-merge.sh t/t3423-rebase-reword.sh \
		t/t3436-rebase-more-options.sh \
		t/t4015-diff-whitespace.sh t/t4257-am-interactive.sh \
		t/t5323-pack-redundant.sh t/t5401-update-hooks.sh \
		t/t5511-refspec.sh t/t5526-fetch-submodules.sh \
		t/t5529-push-errors.sh t/t5530-upload-pack-error.sh \
		t/t5548-push-porcelain.sh \
		t/t5552-skipping-fetch-negotiator.sh \
		t/t5572-pull-submodule.sh t/t5608-clone-2gb.sh \
		t/t5614-clone-submodules-shallow.sh \
		t/t7508-status.sh t/t7606-merge-custom.sh \
		t/t9302-fast-import-unpack-limit.sh

We excluded one set of test scripts in these commands, though: the range
of `git p4` tests. The reason? `git p4` stores the (foreign) remote
branch in the branch called `p4/master`, which is obviously not the
default branch. Manual analysis revealed that only five of these tests
actually require a specific default branch name to pass; They were
modified thusly:

	$ sed -i '/^ *\. \.\/lib-git-p4\.sh$/i\
	GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\
	export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\
	' t/t980[0167]*.sh t/t9811*.sh

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-11-19 15:44:17 -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=master
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 'message for merging local branch' '
echo "Merge branch ${apos}left${apos}" >expected &&
git checkout master &&
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 master &&
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 master &&
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 'message for merging external branch' '
echo "Merge branch ${apos}left${apos} of $(pwd)" >expected &&
git checkout master &&
git fetch "$(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 master &&
test_tick &&
git fetch . left &&
git fmt-merge-msg <.git/FETCH_HEAD >actual1 &&
test_unconfig merge.log &&
test_config merge.summary true &&
git checkout master &&
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 master &&
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 $(pwd):
Left #5
Left #4
Left #3
Common #2
Common #1
EOF
test_unconfig merge.log &&
test_unconfig merge.summary &&
git checkout master &&
git fetch "$(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 master &&
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 master &&
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 master &&
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 master &&
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 master &&
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 master &&
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 master &&
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 master &&
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 master &&
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 " $i" &&
i=$(($i-1))
done &&
echo " ..."
} >expected &&
test_config merge.summary yes &&
git checkout master &&
test_tick &&
git fetch . long &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
test_cmp expected actual
'
test_expect_success 'merge-msg with "merging" an annotated tag' '
test_config merge.log true &&
git checkout master^0 &&
git commit --allow-empty -m "One step ahead" &&
git tag -a -m "An annotated one" annote HEAD &&
git checkout master &&
git fetch . annote &&
git fmt-merge-msg <.git/FETCH_HEAD >actual &&
{
cat <<-\EOF
Merge tag '\''annote'\''
An annotated one
* tag '\''annote'\'':
One step ahead
EOF
} >expected &&
test_cmp expected actual &&
test_when_finished "git reset --hard" &&
annote=$(git rev-parse annote) &&
git merge --no-commit --no-ff $annote &&
{
cat <<-EOF
Merge tag '\''$annote'\''
An annotated one
* tag '\''$annote'\'':
One step ahead
EOF
} >expected &&
test_cmp expected .git/MERGE_MSG
'
test_expect_success 'merge.suppressDest configuration' '
git checkout -B side master &&
git commit --allow-empty -m "One step ahead" &&
git checkout master &&
git fetch . side &&
git -c merge.suppressDest="" fmt-merge-msg <.git/FETCH_HEAD >full.1 &&
head -n1 full.1 >actual &&
grep -e "Merge branch .side. into master" actual &&
git -c merge.suppressDest="mast" fmt-merge-msg <.git/FETCH_HEAD >full.2 &&
head -n1 full.2 >actual &&
grep -e "Merge branch .side. into master$" 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 master$" actual
'
test_done