f4609b896f
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because there is some breakage in the git build related to the netrc credentials helper which someone has taken care of in nixpkgs. The stable channel is not used for anything other than git, so this should be fine. Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
134 lines
3.6 KiB
Bash
Executable file
134 lines
3.6 KiB
Bash
Executable file
#!/bin/sh
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test_description='various tests of reflog walk (log -g) behavior'
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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 master &&
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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 ${SQ}master${SQ} into side
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HEAD@{1} commit: three
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HEAD@{2} checkout: moving from master 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 master 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 master
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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 master 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=$max --format=%gs minmax >actual &&
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test_cmp expect actual
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'
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test_expect_success 'walk prefers reflog to ref tip' '
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head=$(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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