-rw-r--r-- | shared.c | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -196,2 +196,45 @@ int hextoint(char c) } +void cgit_diff_tree_cb(struct diff_queue_struct *q, + struct diff_options *options, void *data) +{ + int i; + + for (i = 0; i < q->nr; i++) { + if (q->queue[i]->status == 'U') + continue; + ((filepair_fn)data)(q->queue[i]); + } +} + +void cgit_diff_tree(const unsigned char *old_sha1, + const unsigned char *new_sha1, + filepair_fn fn) +{ + struct diff_options opt; + int ret; + + diff_setup(&opt); + opt.output_format = DIFF_FORMAT_CALLBACK; + opt.detect_rename = 1; + opt.recursive = 1; + opt.format_callback = cgit_diff_tree_cb; + opt.format_callback_data = fn; + diff_setup_done(&opt); + + if (old_sha1) + ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); + else + ret = diff_root_tree_sha1(new_sha1, "", &opt); + diffcore_std(&opt); + diff_flush(&opt); +} + +void cgit_diff_commit(struct commit *commit, filepair_fn fn) +{ + unsigned char *old_sha1 = NULL; + + if (commit->parents) + old_sha1 = commit->parents->item->object.sha1; + cgit_diff_tree(old_sha1, commit->object.sha1, fn); +} |