diff options
Diffstat (limited to 'combine-diff.c')
| -rw-r--r-- | combine-diff.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/combine-diff.c b/combine-diff.c index 250de1c629..50db39b852 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -623,6 +623,7 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, write_to_temp_file(ourtmp, result, size); } else { + /* Used by diff-tree to read from the working tree */ struct stat st; int fd; ourtmp = elem->path; @@ -701,6 +702,11 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, show_hunks = make_hunks(sline, cnt, num_parent, dense); if (show_hunks) { + const char *abb; + char null_abb[DEFAULT_ABBREV + 1]; + + memset(null_abb, '0', DEFAULT_ABBREV); + null_abb[DEFAULT_ABBREV] = 0; if (header) { shown_header++; puts(header); @@ -713,13 +719,18 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, putchar('\n'); printf("index "); for (i = 0; i < num_parent; i++) { - printf("%s%s", - i ? "," : "", - find_unique_abbrev(elem->parent_sha1[i], - DEFAULT_ABBREV)); + if (memcmp(elem->parent_sha1[i], null_sha1, 20)) + abb = find_unique_abbrev(elem->parent_sha1[i], + DEFAULT_ABBREV); + else + abb = null_abb; + printf("%s%s", i ? "," : "", abb); } - printf("..%s\n", - find_unique_abbrev(elem->sha1, DEFAULT_ABBREV)); + if (memcmp(elem->sha1, null_sha1, 20)) + abb = find_unique_abbrev(elem->sha1, DEFAULT_ABBREV); + else + abb = null_abb; + printf("..%s\n", abb); dump_sline(sline, cnt, num_parent); } if (ourtmp == ourtmp_buf) |