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authorJunio C Hamano <gitster@pobox.com>2020-04-29 23:15:31 (GMT)
committerJunio C Hamano <gitster@pobox.com>2020-04-29 23:15:31 (GMT)
commitd2ea03ddeeeab6f703290af30ba89d5606858673 (patch)
tree6db161bf2172d4566c7ab1751c3128ec5d289d15 /t
parent6eacc39b6d2508b6a7522902330c29714c99f5f2 (diff)
parente48cf33b61b8fecf1558fb32fcf5ee2987e82890 (diff)
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Merge branch 'ps/transactional-update-ref-stdin'
"git update-ref --stdin" learned a handful of new verbs to let the user control ref update transactions more explicitly, which helps as an ingredient to implement two-phase commit-style atomic ref-updates across multiple repositories. * ps/transactional-update-ref-stdin: update-ref: implement interactive transaction handling update-ref: read commands in a line-wise fashion update-ref: move transaction handling into `update_refs_stdin()` update-ref: pass end pointer instead of strbuf update-ref: drop unused argument for `parse_refname` update-ref: organize commands in an array strbuf: provide function to append whole lines git-update-ref.txt: add missing word refs: fix segfault when aborting empty transaction
Diffstat (limited to 't')
-rwxr-xr-xt/t1400-update-ref.sh131
1 files changed, 131 insertions, 0 deletions
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index a6224ef..48d0d42 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -1404,4 +1404,135 @@ test_expect_success 'handle per-worktree refs in refs/bisect' '
! test_cmp main-head worktree-head
'
+test_expect_success 'transaction handles empty commit' '
+ cat >stdin <<-EOF &&
+ start
+ prepare
+ commit
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start prepare commit >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction handles empty commit with missing prepare' '
+ cat >stdin <<-EOF &&
+ start
+ commit
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start commit >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction handles sole commit' '
+ cat >stdin <<-EOF &&
+ commit
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" commit >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction handles empty abort' '
+ cat >stdin <<-EOF &&
+ start
+ prepare
+ abort
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start prepare abort >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction exits on multiple aborts' '
+ cat >stdin <<-EOF &&
+ abort
+ abort
+ EOF
+ test_must_fail git update-ref --stdin <stdin >actual 2>err &&
+ printf "%s: ok\n" abort >expect &&
+ test_cmp expect actual &&
+ grep "fatal: transaction is closed" err
+'
+
+test_expect_success 'transaction exits on start after prepare' '
+ cat >stdin <<-EOF &&
+ prepare
+ start
+ EOF
+ test_must_fail git update-ref --stdin <stdin 2>err >actual &&
+ printf "%s: ok\n" prepare >expect &&
+ test_cmp expect actual &&
+ grep "fatal: prepared transactions can only be closed" err
+'
+
+test_expect_success 'transaction handles empty abort with missing prepare' '
+ cat >stdin <<-EOF &&
+ start
+ abort
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start abort >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction handles sole abort' '
+ cat >stdin <<-EOF &&
+ abort
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" abort >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction can handle commit' '
+ cat >stdin <<-EOF &&
+ start
+ create $a HEAD
+ commit
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start commit >expect &&
+ test_cmp expect actual &&
+ git rev-parse HEAD >expect &&
+ git rev-parse $a >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'transaction can handle abort' '
+ cat >stdin <<-EOF &&
+ start
+ create $b HEAD
+ abort
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start abort >expect &&
+ test_cmp expect actual &&
+ test_path_is_missing .git/$b
+'
+
+test_expect_success 'transaction aborts by default' '
+ cat >stdin <<-EOF &&
+ start
+ create $b HEAD
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start >expect &&
+ test_cmp expect actual &&
+ test_path_is_missing .git/$b
+'
+
+test_expect_success 'transaction with prepare aborts by default' '
+ cat >stdin <<-EOF &&
+ start
+ create $b HEAD
+ prepare
+ EOF
+ git update-ref --stdin <stdin >actual &&
+ printf "%s: ok\n" start prepare >expect &&
+ test_cmp expect actual &&
+ test_path_is_missing .git/$b
+'
+
test_done