diff options
Diffstat (limited to 'ui-patch.c')
-rw-r--r-- | ui-patch.c | 23 |
1 files changed, 18 insertions, 5 deletions
@@ -11,7 +11,7 @@ #include "html.h" #include "ui-shared.h" -void cgit_print_patch(char *hex, const char *prefix) +void cgit_print_patch(char *hex, const char *old_rev, const char *prefix) { struct rev_info rev; struct commit *commit; @@ -33,16 +33,29 @@ void cgit_print_patch(char *hex, const char *prefix) return; } - if (commit->parents && commit->parents->item) { + if (old_rev) { + if (get_sha1(old_rev, old_sha1)) { + cgit_print_error("Bad object id: %s", old_rev); + return; + } + if (!lookup_commit_reference(old_sha1)) { + cgit_print_error("Bad commit reference: %s", old_rev); + return; + } + } else if (commit->parents && commit->parents->item) { hashcpy(old_sha1, commit->parents->item->object.sha1); - sprintf(rev_range, "%s..%s", sha1_to_hex(old_sha1), - sha1_to_hex(sha1)); } else { hashclr(old_sha1); + } + + if (is_null_sha1(old_sha1)) { memcpy(rev_range, sha1_to_hex(sha1), 41); + } else { + sprintf(rev_range, "%s..%s", sha1_to_hex(old_sha1), + sha1_to_hex(sha1)); } - patchname = fmt("%s.patch", sha1_to_hex(sha1)); + patchname = fmt("%s.patch", rev_range); ctx.page.mimetype = "text/plain"; ctx.page.filename = patchname; cgit_print_http_headers(&ctx); |