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https://github.com/git/git
synced 2024-07-17 11:07:55 +00:00
c40f0b7877
While both git-rev-list(1) and git-log(1) support `--stdin`, it only accepts commits and files. Most notably, it is impossible to pass any of the pseudo-opts like `--all`, `--glob=` or others via stdin. This makes it hard to use this function in certain scripted scenarios, like when one wants to support queries against specific revisions, but also against reference patterns. While this is theoretically possible by using arguments, this may run into issues once we hit platform limits with sufficiently large queries. And because `--stdin` cannot handle pseudo-opts, the only alternative would be to use a mixture of arguments and standard input, which is cumbersome. Implement support for handling pseudo-opts in both commands to support this usecase better. One notable restriction here is that `--stdin` only supports "stuck" arguments in the form of `--glob=foo`. This is because "unstuck" arguments would also require us to read the next line, which would add quite some complexity to the code. This restriction should be fine for scripted usage though. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
131 lines
2.4 KiB
Bash
Executable file
131 lines
2.4 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2009, Junio C Hamano
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#
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test_description='log family learns --stdin'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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check () {
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for cmd in rev-list "log --stat"
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do
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for i in "$@"
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do
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printf "%s\n" $i
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done >input &&
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test_expect_success "check $cmd $*" '
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git $cmd $(cat input) >expect &&
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git $cmd --stdin <input >actual &&
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sed -e "s/^/input /" input &&
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sed -e "s/^/output /" expect &&
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test_cmp expect actual
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'
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done
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}
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them='1 2 3 4 5 6 7'
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test_expect_success setup '
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(
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for i in 0 $them
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do
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for j in $them
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do
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echo $i.$j >file-$j &&
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git add file-$j || exit
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done &&
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test_tick &&
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git commit -m $i || exit
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done &&
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for i in $them
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do
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git checkout -b side-$i main~$i &&
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echo updated $i >file-$i &&
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git add file-$i &&
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test_tick &&
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git commit -m side-$i || exit
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done &&
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git update-ref refs/heads/-dashed-branch HEAD
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)
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'
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check main
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check side-1 ^side-4
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check side-1 ^side-7 --
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check side-1 ^side-7 -- file-1
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check side-1 ^side-7 -- file-2
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check side-3 ^side-4 -- file-3
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check side-3 ^side-2
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check side-3 ^side-2 -- file-1
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check --all
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check --all --not --branches
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check --glob=refs/heads
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check --glob=refs/heads --
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check --glob=refs/heads -- file-1
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check --end-of-options -dashed-branch
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test_expect_success 'not only --stdin' '
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cat >expect <<-EOF &&
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7
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file-1
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file-2
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EOF
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cat >input <<-EOF &&
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^main^
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--
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file-2
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EOF
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git log --pretty=tformat:%s --name-only --stdin main -- file-1 \
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<input >actual &&
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test_cmp expect actual
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'
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test_expect_success 'pseudo-opt with missing value' '
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cat >input <<-EOF &&
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--glob
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refs/heads
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EOF
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cat >expect <<-EOF &&
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fatal: Option ${SQ}--glob${SQ} requires a value
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EOF
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test_must_fail git rev-list --stdin <input 2>error &&
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test_cmp expect error
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'
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test_expect_success 'pseudo-opt with invalid value' '
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cat >input <<-EOF &&
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--no-walk=garbage
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EOF
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cat >expect <<-EOF &&
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error: invalid argument to --no-walk
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fatal: invalid option ${SQ}--no-walk=garbage${SQ} in --stdin mode
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EOF
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test_must_fail git rev-list --stdin <input 2>error &&
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test_cmp expect error
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'
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test_expect_success 'unknown option without --end-of-options' '
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cat >input <<-EOF &&
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-dashed-branch
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EOF
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cat >expect <<-EOF &&
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fatal: invalid option ${SQ}-dashed-branch${SQ} in --stdin mode
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EOF
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test_must_fail git rev-list --stdin <input 2>error &&
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test_cmp expect error
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'
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test_done
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