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git-commit-vandalism/t/t4203-mailmap.sh
Siddharth Asthana a797c0ea04 cat-file: add mailmap support to --batch-check option 
Even though the cat-file command with `--batch-check` option does not
complain when `--use-mailmap` option is given, the latter option is
ignored. Compute the size of the object after replacing the idents and
report it instead.

In order to make `--batch-check` option honour the mailmap mechanism we
have to read the contents of the commit/tag object.

There were two ways to do it:

1. Make two calls to `oid_object_info_extended()`. If `--use-mailmap`
   option is given, the first call will get us the type of the object
   and second call will only be made if the object type is either a
   commit or tag to get the contents of the object.

2. Make one call to `oid_object_info_extended()` to get the type of the
   object. Then, if the object type is either of commit or tag, make a
   call to `repo_read_object_file()` to read the contents of the object.

I benchmarked the following command with both the above approaches and
compared against the current implementation where `--use-mailmap`
option is ignored:

`git cat-file --use-mailmap --batch-all-objects --batch-check --buffer
--unordered`

The results can be summarized as follows:
                       Time (mean ± σ)
default               827.7 ms ± 104.8 ms
first approach        6.197 s ± 0.093 s
second approach       1.975 s ± 0.217 s

Since, the second approach is faster than the first one, I implemented
it in this patch.

The command git cat-file can now use the mailmap mechanism to replace
idents with canonical versions for commit and tag objects. There are
several options like `--batch`, `--batch-check` and `--batch-command`
that can be combined with `--use-mailmap`. But the documentation for
`--batch`, `--batch-check` and `--batch-command` doesn't say so. This
patch fixes that documentation.

Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: John Cai <johncai86@gmail.com>
Helped-by: Taylor Blau <me@ttaylorr.com>
Helped-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-12-20 15:20:45 +09:00

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#!/bin/sh
test_description='.mailmap configurations'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
. ./test-lib.sh
test_expect_success 'setup commits and contacts file' '
test_commit initial one one &&
test_commit --author "nick1 <bugs@company.xx>" --append second one two
'
test_expect_success 'check-mailmap no arguments' '
test_must_fail git check-mailmap
'
test_expect_success 'check-mailmap arguments' '
cat >expect <<-EOF &&
$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
nick1 <bugs@company.xx>
EOF
git check-mailmap \
"$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>" \
"nick1 <bugs@company.xx>" >actual &&
test_cmp expect actual
'
test_expect_success 'check-mailmap --stdin' '
cat >expect <<-EOF &&
$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
nick1 <bugs@company.xx>
EOF
git check-mailmap --stdin <expect >actual &&
test_cmp expect actual
'
test_expect_success 'check-mailmap --stdin arguments: no mapping' '
test_when_finished "rm contacts" &&
cat >contacts <<-EOF &&
$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
nick1 <bugs@company.xx>
EOF
cat >expect <<-\EOF &&
Internal Guy <bugs@company.xy>
EOF
cat contacts >>expect &&
git check-mailmap --stdin "Internal Guy <bugs@company.xy>" \
<contacts >actual &&
test_cmp expect actual
'
test_expect_success 'check-mailmap --stdin arguments: mapping' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
New Name <$GIT_AUTHOR_EMAIL>
EOF
cat >stdin <<-EOF &&
Old Name <$GIT_AUTHOR_EMAIL>
EOF
cp .mailmap expect &&
git check-mailmap --stdin <stdin >actual &&
test_cmp expect actual &&
cat .mailmap >>expect &&
git check-mailmap --stdin "Another Old Name <$GIT_AUTHOR_EMAIL>" \
<stdin >actual &&
test_cmp expect actual
'
test_expect_success 'check-mailmap bogus contact' '
test_must_fail git check-mailmap bogus
'
test_expect_success 'check-mailmap bogus contact --stdin' '
test_must_fail git check-mailmap --stdin bogus </dev/null
'
test_expect_success 'No mailmap' '
cat >expect <<-EOF &&
$GIT_AUTHOR_NAME (1):
initial
nick1 (1):
second
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'setup default .mailmap' '
cat >default.map <<-EOF
Repo Guy <$GIT_AUTHOR_EMAIL>
EOF
'
test_expect_success 'test default .mailmap' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
cat >expect <<-\EOF &&
Repo Guy (1):
initial
nick1 (1):
second
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'mailmap.file set' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
test_config mailmap.file internal.map &&
cat >internal.map <<-\EOF &&
Internal Guy <bugs@company.xx>
EOF
cat >expect <<-\EOF &&
Internal Guy (1):
second
Repo Guy (1):
initial
EOF
git shortlog HEAD >actual &&
test_cmp expect actual &&
# The internal_mailmap/.mailmap file is an a subdirectory, but
# as shown here it can also be outside the repository
test_when_finished "rm -rf sub-repo" &&
git clone . sub-repo &&
(
cd sub-repo &&
cp ../.mailmap . &&
git config mailmap.file ../internal.map &&
git shortlog HEAD >actual &&
test_cmp ../expect actual
)
'
test_expect_success 'mailmap.file override' '
test_config mailmap.file internal.map &&
cat >internal.map <<-EOF &&
Internal Guy <bugs@company.xx>
External Guy <$GIT_AUTHOR_EMAIL>
EOF
cat >expect <<-\EOF &&
External Guy (1):
initial
Internal Guy (1):
second
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'mailmap.file non-existent' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
cat >expect <<-\EOF &&
Repo Guy (1):
initial
nick1 (1):
second
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'name entry after email entry' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
test_config mailmap.file internal.map &&
cat >internal.map <<-\EOF &&
<bugs@company.xy> <bugs@company.xx>
Internal Guy <bugs@company.xx>
EOF
cat >expect <<-\EOF &&
Internal Guy (1):
second
Repo Guy (1):
initial
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'name entry after email entry, case-insensitive' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
test_config mailmap.file internal.map &&
cat >internal.map <<-\EOF &&
<bugs@company.xy> <bugs@company.xx>
Internal Guy <BUGS@Company.xx>
EOF
cat >expect <<-\EOF &&
Internal Guy (1):
second
Repo Guy (1):
initial
EOF
git shortlog HEAD >actual &&
test_cmp expect actual &&
cat >internal.map <<-\EOF &&
NiCk <BuGs@CoMpAnY.Xy> NICK1 <BUGS@COMPANY.XX>
EOF
cat >expect <<-\EOF &&
NiCk (1):
second
Repo Guy (1):
initial
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'No mailmap files, but configured' '
cat >expect <<-EOF &&
$GIT_AUTHOR_NAME (1):
initial
nick1 (1):
second
EOF
git shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'setup mailmap blob tests' '
git checkout -b map &&
test_when_finished "git checkout main" &&
cat >just-bugs <<-\EOF &&
Blob Guy <bugs@company.xx>
EOF
cat >both <<-EOF &&
Blob Guy <$GIT_AUTHOR_EMAIL>
Blob Guy <bugs@company.xx>
EOF
printf "Tricky Guy <$GIT_AUTHOR_EMAIL>" >no-newline &&
git add just-bugs both no-newline &&
git commit -m "my mailmaps" &&
cat >internal.map <<-EOF
Internal Guy <$GIT_AUTHOR_EMAIL>
EOF
'
test_expect_success 'mailmap.blob set' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
cat >expect <<-\EOF &&
Blob Guy (1):
second
Repo Guy (1):
initial
EOF
git -c mailmap.blob=map:just-bugs shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'mailmap.blob overrides .mailmap' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
cat >expect <<-\EOF &&
Blob Guy (2):
initial
second
EOF
git -c mailmap.blob=map:both shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'mailmap.file overrides mailmap.blob' '
cat >expect <<-\EOF &&
Blob Guy (1):
second
Internal Guy (1):
initial
EOF
git \
-c mailmap.blob=map:both \
-c mailmap.file=internal.map \
shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'mailmap.file can be missing' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
test_config mailmap.file nonexistent &&
cat >expect <<-\EOF &&
Repo Guy (1):
initial
nick1 (1):
second
EOF
git shortlog HEAD >actual 2>err &&
test_must_be_empty err &&
test_cmp expect actual
'
test_expect_success 'mailmap.blob can be missing' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
cat >expect <<-\EOF &&
Repo Guy (1):
initial
nick1 (1):
second
EOF
git -c mailmap.blob=map:nonexistent shortlog HEAD >actual 2>err &&
test_must_be_empty err &&
test_cmp expect actual
'
test_expect_success 'mailmap.blob might be the wrong type' '
test_when_finished "rm .mailmap" &&
cp default.map .mailmap &&
git -c mailmap.blob=HEAD: shortlog HEAD >actual 2>err &&
test_i18ngrep "mailmap is not a blob" err &&
test_cmp expect actual
'
test_expect_success 'mailmap.blob defaults to off in non-bare repo' '
git init non-bare &&
(
cd non-bare &&
test_commit one .mailmap "Fake Name <$GIT_AUTHOR_EMAIL>" &&
cat >expect <<-\EOF &&
1 Fake Name
EOF
git shortlog -ns HEAD >actual &&
test_cmp expect actual &&
rm .mailmap &&
cat >expect <<-EOF &&
1 $GIT_AUTHOR_NAME
EOF
git shortlog -ns HEAD >actual &&
test_cmp expect actual
)
'
test_expect_success 'mailmap.blob defaults to HEAD:.mailmap in bare repo' '
git clone --bare non-bare bare &&
(
cd bare &&
cat >expect <<-\EOF &&
1 Fake Name
EOF
git shortlog -ns HEAD >actual &&
test_cmp expect actual
)
'
test_expect_success 'mailmap.blob can handle blobs without trailing newline' '
cat >expect <<-\EOF &&
Tricky Guy (1):
initial
nick1 (1):
second
EOF
git -c mailmap.blob=map:no-newline shortlog HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'single-character name' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
A <$GIT_AUTHOR_EMAIL>
EOF
cat >expect <<-EOF &&
1 A <$GIT_AUTHOR_EMAIL>
1 nick1 <bugs@company.xx>
EOF
git shortlog -es HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'preserve canonical email case' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
<AUTHOR@example.com> <$GIT_AUTHOR_EMAIL>
EOF
cat >expect <<-EOF &&
1 $GIT_AUTHOR_NAME <AUTHOR@example.com>
1 nick1 <bugs@company.xx>
EOF
git shortlog -es HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'gitmailmap(5) example output: setup' '
test_create_repo doc &&
test_commit -C doc --author "Joe Developer <joe@example.com>" A &&
test_commit -C doc --author "Joe R. Developer <joe@example.com>" B &&
test_commit -C doc --author "Jane Doe <jane@example.com>" C &&
test_commit -C doc --author "Jane Doe <jane@laptop.(none)>" D &&
test_commit -C doc --author "Jane D. <jane@desktop.(none)>" E
'
test_expect_success 'gitmailmap(5) example output: example #1' '
test_config -C doc mailmap.file ../doc.map &&
cat >doc.map <<-\EOF &&
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com>
Jane Doe <jane@desktop.(none)>
EOF
cat >expect <<-\EOF &&
Author Joe Developer <joe@example.com> maps to Joe R. Developer <joe@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Joe R. Developer <joe@example.com> maps to Joe R. Developer <joe@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane Doe <jane@example.com> maps to Jane Doe <jane@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane Doe <jane@laptop.(none)> maps to Jane Doe <jane@laptop.(none)>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane D <jane@desktop.(none)> maps to Jane Doe <jane@desktop.(none)>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C doc log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'gitmailmap(5) example output: example #2' '
test_config -C doc mailmap.file ../doc.map &&
cat >doc.map <<-\EOF &&
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com> <jane@laptop.(none)>
Jane Doe <jane@example.com> <jane@desktop.(none)>
EOF
cat >expect <<-\EOF &&
Author Joe Developer <joe@example.com> maps to Joe R. Developer <joe@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Joe R. Developer <joe@example.com> maps to Joe R. Developer <joe@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane Doe <jane@example.com> maps to Jane Doe <jane@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane Doe <jane@laptop.(none)> maps to Jane Doe <jane@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane D <jane@desktop.(none)> maps to Jane Doe <jane@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C doc log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'gitmailmap(5) example output: example #3' '
test_config -C doc mailmap.file ../doc.map &&
cat >>doc.map <<-\EOF &&
Joe R. Developer <joe@example.com> Joe <bugs@example.com>
Jane Doe <jane@example.com> Jane <bugs@example.com>
EOF
test_commit -C doc --author "Joe <bugs@example.com>" F &&
test_commit -C doc --author "Jane <bugs@example.com>" G &&
cat >>expect <<-\EOF &&
Author Joe <bugs@example.com> maps to Joe R. Developer <joe@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author Jane <bugs@example.com> maps to Jane Doe <jane@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C doc log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'Shortlog output (complex mapping)' '
test_config mailmap.file complex.map &&
cat >complex.map <<-EOF &&
Committed <$GIT_COMMITTER_EMAIL>
<cto@company.xx> <cto@coompany.xx>
Some Dude <some@dude.xx> nick1 <bugs@company.xx>
Other Author <other@author.xx> nick2 <bugs@company.xx>
Other Author <other@author.xx> <nick2@company.xx>
Santa Claus <santa.claus@northpole.xx> <me@company.xx>
EOF
test_commit --author "nick2 <bugs@company.xx>" --append third one three &&
test_commit --author "nick2 <nick2@company.xx>" --append fourth one four &&
test_commit --author "santa <me@company.xx>" --append fifth one five &&
test_commit --author "claus <me@company.xx>" --append sixth one six &&
test_commit --author "CTO <cto@coompany.xx>" --append seventh one seven &&
cat >expect <<-EOF &&
$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> (1):
initial
CTO <cto@company.xx> (1):
seventh
Other Author <other@author.xx> (2):
third
fourth
Santa Claus <santa.claus@northpole.xx> (2):
fifth
sixth
Some Dude <some@dude.xx> (1):
second
EOF
git shortlog -e HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'Log output (complex mapping)' '
test_config mailmap.file complex.map &&
cat >expect <<-EOF &&
Author CTO <cto@coompany.xx> maps to CTO <cto@company.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author claus <me@company.xx> maps to Santa Claus <santa.claus@northpole.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author santa <me@company.xx> maps to Santa Claus <santa.claus@northpole.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author nick2 <nick2@company.xx> maps to Other Author <other@author.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author nick2 <bugs@company.xx> maps to Other Author <other@author.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author nick1 <bugs@company.xx> maps to Some Dude <some@dude.xx>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
Author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> maps to $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
Committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> maps to Committed <$GIT_COMMITTER_EMAIL>
EOF
git log --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'Log output (local-part email address)' '
cat >expect <<-EOF &&
Author email cto@coompany.xx has local-part cto
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email me@company.xx has local-part me
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email me@company.xx has local-part me
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email nick2@company.xx has local-part nick2
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email bugs@company.xx has local-part bugs
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email bugs@company.xx has local-part bugs
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
Author email author@example.com has local-part author
Committer email $GIT_COMMITTER_EMAIL has local-part $TEST_COMMITTER_LOCALNAME
EOF
git log --pretty=format:"Author email %ae has local-part %al%nCommitter email %ce has local-part %cl%n" >actual &&
test_cmp expect actual
'
test_expect_success 'Log output with --use-mailmap' '
test_config mailmap.file complex.map &&
cat >expect <<-EOF &&
Author: CTO <cto@company.xx>
Author: Santa Claus <santa.claus@northpole.xx>
Author: Santa Claus <santa.claus@northpole.xx>
Author: Other Author <other@author.xx>
Author: Other Author <other@author.xx>
Author: Some Dude <some@dude.xx>
Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
EOF
git log --use-mailmap >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'Log output with log.mailmap' '
test_config mailmap.file complex.map &&
cat >expect <<-EOF &&
Author: CTO <cto@company.xx>
Author: Santa Claus <santa.claus@northpole.xx>
Author: Santa Claus <santa.claus@northpole.xx>
Author: Other Author <other@author.xx>
Author: Other Author <other@author.xx>
Author: Some Dude <some@dude.xx>
Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
EOF
git -c log.mailmap=True log >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'log.mailmap=false disables mailmap' '
cat >expect <<-EOF &&
Author: CTO <cto@coompany.xx>
Author: claus <me@company.xx>
Author: santa <me@company.xx>
Author: nick2 <nick2@company.xx>
Author: nick2 <bugs@company.xx>
Author: nick1 <bugs@company.xx>
Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
EOF
git -c log.mailmap=false log >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success '--no-use-mailmap disables mailmap' '
cat >expect <<-EOF &&
Author: CTO <cto@coompany.xx>
Author: claus <me@company.xx>
Author: santa <me@company.xx>
Author: nick2 <nick2@company.xx>
Author: nick2 <bugs@company.xx>
Author: nick1 <bugs@company.xx>
Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>
EOF
git log --no-use-mailmap >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'Grep author with --use-mailmap' '
test_config mailmap.file complex.map &&
cat >expect <<-\EOF &&
Author: Santa Claus <santa.claus@northpole.xx>
Author: Santa Claus <santa.claus@northpole.xx>
EOF
git log --use-mailmap --author Santa >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'Grep author with log.mailmap' '
test_config mailmap.file complex.map &&
cat >expect <<-\EOF &&
Author: Santa Claus <santa.claus@northpole.xx>
Author: Santa Claus <santa.claus@northpole.xx>
EOF
git -c log.mailmap=True log --author Santa >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'log.mailmap is true by default these days' '
test_config mailmap.file complex.map &&
git log --author Santa >log &&
grep Author log >actual &&
test_cmp expect actual
'
test_expect_success 'Only grep replaced author with --use-mailmap' '
test_config mailmap.file complex.map &&
git log --use-mailmap --author "<cto@coompany.xx>" >actual &&
test_must_be_empty actual
'
test_expect_success 'Blame --porcelain output (complex mapping)' '
test_config mailmap.file complex.map &&
cat >expect <<-EOF &&
1 1 1
A U Thor
2 2 1
Some Dude
3 3 1
Other Author
4 4 1
Other Author
5 5 1
Santa Claus
6 6 1
Santa Claus
7 7 1
CTO
EOF
git blame --porcelain one >actual.blame &&
NUM="[0-9][0-9]*" &&
sed -n <actual.blame >actual.fuzz \
-e "s/^author //p" \
-e "s/^$OID_REGEX \\($NUM $NUM $NUM\\)$/\\1/p" &&
test_cmp expect actual.fuzz
'
test_expect_success 'Blame output (complex mapping)' '
git -c mailmap.file=complex.map blame one >a &&
git blame one >b &&
test_file_not_empty a &&
! cmp a b
'
test_expect_success 'commit --author honors mailmap' '
test_config mailmap.file complex.map &&
cat >expect <<-\EOF &&
Some Dude <some@dude.xx>
EOF
test_must_fail git commit --author "nick" --allow-empty -meight &&
git commit --author "Some Dude" --allow-empty -meight &&
git show --pretty=format:"%an <%ae>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'comment syntax: setup' '
test_create_repo comm &&
test_commit -C comm --author "A <a@example.com>" A &&
test_commit -C comm --author "B <b@example.com>" B &&
test_commit -C comm --author "C <#@example.com>" C &&
test_commit -C comm --author "D <d@e#ample.com>" D &&
test_config -C comm mailmap.file ../doc.map &&
cat >>doc.map <<-\EOF &&
# Ah <a@example.com>
; Bee <b@example.com>
Cee <cee@example.com> <#@example.com>
Dee <dee@example.com> <d@e#ample.com>
EOF
cat >expect <<-\EOF &&
Author A <a@example.com> maps to A <a@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author B <b@example.com> maps to ; Bee <b@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author C <#@example.com> maps to Cee <cee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author D <d@e#ample.com> maps to Dee <dee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C comm log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'whitespace syntax: setup' '
test_create_repo space &&
test_commit -C space --author "A <a@example.com>" A &&
test_commit -C space --author "B <b@example.com>" B &&
test_commit -C space --author " C <c@example.com>" C &&
test_commit -C space --author " D <d@example.com>" D &&
test_commit -C space --author "E E <e@example.com>" E &&
test_commit -C space --author "F F <f@example.com>" F &&
test_commit -C space --author "G G <g@example.com>" G &&
test_commit -C space --author "H H <h@example.com>" H &&
test_config -C space mailmap.file ../space.map &&
cat >>space.map <<-\EOF &&
Ah <ah@example.com> < a@example.com >
Bee <bee@example.com > < b@example.com >
Cee <cee@example.com> C <c@example.com>
dee <dee@example.com> D <d@example.com>
eee <eee@example.com> E E <e@example.com>
eff <eff@example.com> F F <f@example.com>
gee <gee@example.com> G G <g@example.com>
aitch <aitch@example.com> H H <h@example.com>
EOF
cat >expect <<-\EOF &&
Author A <a@example.com> maps to A <a@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author B <b@example.com> maps to B <b@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author C <c@example.com> maps to Cee <cee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author D <d@example.com> maps to dee <dee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author E E <e@example.com> maps to eee <eee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author F F <f@example.com> maps to eff <eff@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author G G <g@example.com> maps to gee <gee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author H H <h@example.com> maps to H H <h@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C space log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'empty syntax: setup' '
test_create_repo empty &&
test_commit -C empty --author "A <>" A &&
test_commit -C empty --author "B <b@example.com>" B &&
test_commit -C empty --author "C <c@example.com>" C &&
test_config -C empty mailmap.file ../empty.map &&
cat >>empty.map <<-\EOF &&
Ah <ah@example.com> <>
Bee <bee@example.com> <>
Cee <> <c@example.com>
EOF
cat >expect <<-\EOF &&
Author A <> maps to Bee <bee@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author B <b@example.com> maps to B <b@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
Author C <c@example.com> maps to C <c@example.com>
Committer C O Mitter <committer@example.com> maps to C O Mitter <committer@example.com>
EOF
git -C empty log --reverse --pretty=format:"Author %an <%ae> maps to %aN <%aE>%nCommitter %cn <%ce> maps to %cN <%cE>%n" >actual &&
test_cmp expect actual
'
test_expect_success 'set up mailmap location tests' '
git init --bare loc-bare &&
git --git-dir=loc-bare --work-tree=. commit \
--allow-empty -m foo --author="Orig <orig@example.com>" &&
echo "New <new@example.com> <orig@example.com>" >loc-bare/.mailmap
'
test_expect_success 'bare repo with --work-tree finds mailmap at top-level' '
git -C loc-bare --work-tree=. log -1 --format=%aE >actual &&
echo new@example.com >expect &&
test_cmp expect actual
'
test_expect_success 'bare repo does not look in current directory' '
git -C loc-bare log -1 --format=%aE >actual &&
echo orig@example.com >expect &&
test_cmp expect actual
'
test_expect_success 'non-git shortlog respects mailmap in current dir' '
git --git-dir=loc-bare log -1 >input &&
nongit cp "$TRASH_DIRECTORY/loc-bare/.mailmap" . &&
nongit git shortlog -s <input >actual &&
echo " 1 New" >expect &&
test_cmp expect actual
'
test_expect_success 'shortlog on stdin respects mailmap from repo' '
cp loc-bare/.mailmap . &&
git shortlog -s <input >actual &&
echo " 1 New" >expect &&
test_cmp expect actual
'
test_expect_success 'find top-level mailmap from subdir' '
git clone loc-bare loc-wt &&
cp loc-bare/.mailmap loc-wt &&
mkdir loc-wt/subdir &&
git -C loc-wt/subdir log -1 --format=%aE >actual &&
echo new@example.com >expect &&
test_cmp expect actual
'
test_expect_success SYMLINKS 'set up symlink tests' '
git commit --allow-empty -m foo --author="Orig <orig@example.com>" &&
echo "New <new@example.com> <orig@example.com>" >map &&
rm -f .mailmap
'
test_expect_success SYMLINKS 'symlinks respected in mailmap.file' '
test_when_finished "rm symlink" &&
ln -s map symlink &&
git -c mailmap.file="$(pwd)/symlink" log -1 --format=%aE >actual &&
echo "new@example.com" >expect &&
test_cmp expect actual
'
test_expect_success SYMLINKS 'symlinks respected in non-repo shortlog' '
git log -1 >input &&
test_when_finished "nongit rm .mailmap" &&
nongit ln -sf "$TRASH_DIRECTORY/map" .mailmap &&
nongit git shortlog -s <input >actual &&
echo " 1 New" >expect &&
test_cmp expect actual
'
test_expect_success SYMLINKS 'symlinks not respected in-tree' '
test_when_finished "rm .mailmap" &&
ln -s map .mailmap &&
git log -1 --format=%aE >actual &&
echo "orig@example.com" >expect &&
test_cmp expect actual
'
test_expect_success 'prepare for cat-file --mailmap' '
rm -f .mailmap &&
git commit --allow-empty -m foo --author="Orig <orig@example.com>"
'
test_expect_success '--no-use-mailmap disables mailmap in cat-file' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
A U Thor <author@example.com> Orig <orig@example.com>
EOF
cat >expect <<-EOF &&
author Orig <orig@example.com>
EOF
git cat-file --no-use-mailmap commit HEAD >log &&
sed -n "/^author /s/\([^>]*>\).*/\1/p" log >actual &&
test_cmp expect actual
'
test_expect_success '--use-mailmap enables mailmap in cat-file' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
A U Thor <author@example.com> Orig <orig@example.com>
EOF
cat >expect <<-EOF &&
author A U Thor <author@example.com>
EOF
git cat-file --use-mailmap commit HEAD >log &&
sed -n "/^author /s/\([^>]*>\).*/\1/p" log >actual &&
test_cmp expect actual
'
test_expect_success '--no-mailmap disables mailmap in cat-file for annotated tag objects' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
Orig <orig@example.com> C O Mitter <committer@example.com>
EOF
cat >expect <<-EOF &&
tagger C O Mitter <committer@example.com>
EOF
git tag -a -m "annotated tag" v1 &&
git cat-file --no-mailmap -p v1 >log &&
sed -n "/^tagger /s/\([^>]*>\).*/\1/p" log >actual &&
test_cmp expect actual
'
test_expect_success '--mailmap enables mailmap in cat-file for annotated tag objects' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-EOF &&
Orig <orig@example.com> C O Mitter <committer@example.com>
EOF
cat >expect <<-EOF &&
tagger Orig <orig@example.com>
EOF
git tag -a -m "annotated tag" v2 &&
git cat-file --mailmap -p v2 >log &&
sed -n "/^tagger /s/\([^>]*>\).*/\1/p" log >actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file -s returns correct size with --use-mailmap' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-\EOF &&
C O Mitter <committer@example.com> Orig <orig@example.com>
EOF
git cat-file commit HEAD >commit.out &&
echo $(wc -c <commit.out) >expect &&
git cat-file --use-mailmap commit HEAD >commit.out &&
echo $(wc -c <commit.out) >>expect &&
git cat-file -s HEAD >actual &&
git cat-file --use-mailmap -s HEAD >>actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file -s returns correct size with --use-mailmap for tag objects' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-\EOF &&
Orig <orig@example.com> C O Mitter <committer@example.com>
EOF
git tag -a -m "annotated tag" v3 &&
git cat-file tag v3 >tag.out &&
echo $(wc -c <tag.out) >expect &&
git cat-file --use-mailmap tag v3 >tag.out &&
echo $(wc -c <tag.out) >>expect &&
git cat-file -s v3 >actual &&
git cat-file --use-mailmap -s v3 >>actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-check returns correct size with --use-mailmap' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-\EOF &&
C O Mitter <committer@example.com> Orig <orig@example.com>
EOF
git cat-file commit HEAD >commit.out &&
commit_size=$(wc -c <commit.out) &&
commit_sha=$(git rev-parse HEAD) &&
echo $commit_sha commit $commit_size >expect &&
git cat-file --use-mailmap commit HEAD >commit.out &&
commit_size=$(wc -c <commit.out) &&
echo $commit_sha commit $commit_size >>expect &&
echo "HEAD" >in &&
git cat-file --batch-check <in >actual &&
git cat-file --use-mailmap --batch-check <in >>actual &&
test_cmp expect actual
'
test_expect_success 'git cat-file --batch-command returns correct size with --use-mailmap' '
test_when_finished "rm .mailmap" &&
cat >.mailmap <<-\EOF &&
C O Mitter <committer@example.com> Orig <orig@example.com>
EOF
git cat-file commit HEAD >commit.out &&
commit_size=$(wc -c <commit.out) &&
commit_sha=$(git rev-parse HEAD) &&
echo $commit_sha commit $commit_size >expect &&
git cat-file --use-mailmap commit HEAD >commit.out &&
commit_size=$(wc -c <commit.out) &&
echo $commit_sha commit $commit_size >>expect &&
echo "info HEAD" >in &&
git cat-file --batch-command <in >actual &&
git cat-file --use-mailmap --batch-command <in >>actual &&
test_cmp expect actual
'
test_done
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