diff options
| -rw-r--r-- | diff.c | 6 | ||||
| -rwxr-xr-x | t/t4044-diff-index-unique-abbrev.sh | 35 |
2 files changed, 38 insertions, 3 deletions
@@ -2430,9 +2430,9 @@ static void fill_metainfo(struct strbuf *msg, (!fill_mmfile(&mf, two) && diff_filespec_is_binary(two))) abbrev = 40; } - strbuf_addf(msg, "%sindex %.*s..%.*s", set, - abbrev, sha1_to_hex(one->sha1), - abbrev, sha1_to_hex(two->sha1)); + strbuf_addf(msg, "%sindex %s..", set, + find_unique_abbrev(one->sha1, abbrev)); + strbuf_addstr(msg, find_unique_abbrev(two->sha1, abbrev)); if (one->mode == two->mode) strbuf_addf(msg, " %06o", one->mode); strbuf_addf(msg, "%s\n", reset); diff --git a/t/t4044-diff-index-unique-abbrev.sh b/t/t4044-diff-index-unique-abbrev.sh new file mode 100755 index 0000000000..d5ce72be63 --- /dev/null +++ b/t/t4044-diff-index-unique-abbrev.sh @@ -0,0 +1,35 @@ +#!/bin/sh + +test_description='test unique sha1 abbreviation on "index from..to" line' +. ./test-lib.sh + +cat >expect_initial <<EOF +100644 blob 51d2738463ea4ca66f8691c91e33ce64b7d41bb1 foo +EOF + +cat >expect_update <<EOF +100644 blob 51d2738efb4ad8a1e40bed839ab8e116f0a15e47 foo +EOF + +test_expect_success 'setup' ' + echo 4827 > foo && + git add foo && + git commit -m "initial" && + git cat-file -p HEAD: > actual && + test_cmp expect_initial actual && + echo 11742 > foo && + git commit -a -m "update" && + git cat-file -p HEAD: > actual && + test_cmp expect_update actual +' + +cat >expect <<EOF +index 51d27384..51d2738e 100644 +EOF + +test_expect_success 'diff does not produce ambiguous index line' ' + git diff HEAD^..HEAD | grep index > actual && + test_cmp expect actual +' + +test_done |