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41e2e177c7
The test checks what happens if reflog and ref database disagree on the state of the latest commit. This seems to require accessing reflog storage directly. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Reviewed-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
140 lines
3.8 KiB
Bash
Executable File
140 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
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test_description='various tests of reflog walk (log -g) behavior'
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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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test_expect_success 'set up some reflog entries' '
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test_commit one &&
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test_commit two &&
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git checkout -b side HEAD^ &&
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test_commit three &&
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git merge --no-commit main &&
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echo evil-merge-content >>one.t &&
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test_tick &&
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git commit --no-edit -a
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'
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do_walk () {
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git log -g --format="%gd %gs" "$@"
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}
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test_expect_success 'set up expected reflog' '
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cat >expect.all <<-EOF
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HEAD@{0} commit (merge): Merge branch ${SQ}main${SQ} into side
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HEAD@{1} commit: three
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HEAD@{2} checkout: moving from main to side
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HEAD@{3} commit: two
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HEAD@{4} commit (initial): one
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EOF
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'
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test_expect_success 'reflog walk shows expected logs' '
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do_walk >actual &&
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test_cmp expect.all actual
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'
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test_expect_success 'reflog can limit with --no-merges' '
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grep -v merge expect.all >expect &&
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do_walk --no-merges >actual &&
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test_cmp expect actual
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'
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test_expect_success 'reflog can limit with pathspecs' '
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grep two expect.all >expect &&
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do_walk -- two.t >actual &&
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test_cmp expect actual
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'
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test_expect_success 'pathspec limiting handles merges' '
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# we pick up:
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# - the initial commit of one
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# - the checkout back to commit one
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# - the evil merge which touched one
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sed -n "1p;3p;5p" expect.all >expect &&
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do_walk -- one.t >actual &&
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test_cmp expect actual
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'
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test_expect_success '--parents shows true parents' '
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# convert newlines to spaces
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echo $(git rev-parse HEAD HEAD^1 HEAD^2) >expect &&
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git rev-list -g --parents -1 HEAD >actual &&
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test_cmp expect actual
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'
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test_expect_success 'walking multiple reflogs shows all' '
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# We expect to see all entries for all reflogs, but interleaved by
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# date, with order on the command line breaking ties. We
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# can use "sort" on the separate lists to generate this,
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# but note two tricks:
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#
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# 1. We use "{" as the delimiter, which lets us skip to the reflog
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# date specifier as our second field, and then our "-n" numeric
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# sort ignores the bits after the timestamp.
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#
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# 2. POSIX leaves undefined whether this is a stable sort or not. So
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# we use "-k 1" to ensure that we see HEAD before main before
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# side when breaking ties.
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{
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do_walk --date=unix HEAD &&
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do_walk --date=unix side &&
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do_walk --date=unix main
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} >expect.raw &&
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sort -t "{" -k 2nr -k 1 <expect.raw >expect &&
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do_walk --date=unix HEAD main side >actual &&
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test_cmp expect actual
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'
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test_expect_success 'date-limiting does not interfere with other logs' '
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do_walk HEAD@{1979-01-01} HEAD >actual &&
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test_cmp expect.all actual
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'
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test_expect_success 'min/max age uses entry date to limit' '
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# Flip between commits one and two so each ref update actually
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# does something (and does not get optimized out). We know
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# that the timestamps of those commits will be before our "min".
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git update-ref -m before refs/heads/minmax one &&
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test_tick &&
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min=$test_tick &&
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git update-ref -m min refs/heads/minmax two &&
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test_tick &&
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max=$test_tick &&
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git update-ref -m max refs/heads/minmax one &&
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test_tick &&
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git update-ref -m after refs/heads/minmax two &&
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cat >expect <<-\EOF &&
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max
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min
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EOF
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git log -g --since=$min --until=$max --format=%gs minmax >actual &&
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test_cmp expect actual
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'
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# Create a situation where the reflog and ref database disagree about the latest
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# state of HEAD.
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test_expect_success REFFILES 'walk prefers reflog to ref tip' '
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head=$(git rev-parse HEAD) &&
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one=$(git rev-parse one) &&
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ident="$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE" &&
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echo "$head $one $ident broken reflog entry" >>.git/logs/HEAD &&
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echo $one >expect &&
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git log -g --format=%H -1 >actual &&
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test_cmp expect actual
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'
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test_expect_success 'rev-list -g complains when there are no reflogs' '
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test_must_fail git rev-list -g
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'
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test_done
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