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authorJeff King <peff@peff.net>2021-12-02 08:37:53 +0300
committerJunio C Hamano <gitster@pobox.com>2021-12-02 10:10:50 +0300
commitbe738607934ceb0c99fbcc81bb1949413acd3459 (patch)
treeccd970ad0b212a1923270baf408887a74498c9c7 /t/t4202-log.sh
parent14b9c2b3e35929325329e616e122fd71e15b092c (diff)
log: load decorations with --simplify-by-decoration
It's possible to specify --simplify-by-decoration but not --decorate. In this case we do respect the simplification, but we don't actually show any decorations. However, it works by lazy-loading the decorations when needed; this is discussed in more detail in 0cc7380d88 (log-tree: call load_ref_decorations() in get_name_decoration(), 2019-09-08). This works for basic cases, but will fail to respect any --decorate-refs option (or its variants). Those are handled only when cmd_log_init() loads the ref decorations up front, which is only when --decorate is specified explicitly (or as of the previous commit, when the userformat asks for %d or similar). We can solve this by making sure to load the decorations if we're going to simplify using them but they're not otherwise going to be displayed. The new test shows a simple case that fails without this patch. Note that we expect two commits in the output: the one we asked for by --decorate-refs, and the initial commit. The latter is just a quirk of how --simplify-by-decoration works. Arguably it may be a bug, but it's unrelated to this patch (which is just about the loading of the decorations; you get the same behavior before this patch with an explicit --decorate). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t4202-log.sh')
-rwxr-xr-xt/t4202-log.sh15
1 files changed, 15 insertions, 0 deletions
diff --git a/t/t4202-log.sh b/t/t4202-log.sh
index 5f0ae7a785..7a725b9a23 100755
--- a/t/t4202-log.sh
+++ b/t/t4202-log.sh
@@ -974,6 +974,21 @@ test_expect_success 'implied decorate does not override option' '
test_cmp expect actual
'
+test_expect_success 'decorate-refs and simplify-by-decoration without output' '
+ cat >expect <<-\EOF &&
+ side-2
+ initial
+ EOF
+ # Do not just use a --format without %d here; we want to
+ # make sure that we did not accidentally turn on displaying
+ # the decorations, too. And that requires one of the regular
+ # formats.
+ git log --decorate-refs="*side-2" --oneline \
+ --simplify-by-decoration >actual.raw &&
+ sed "s/^[0-9a-f]* //" <actual.raw >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'log.decorate config parsing' '
git log --oneline --decorate=full >expect.full &&
git log --oneline --decorate=short >expect.short &&