-rw-r--r-- | cgit.h | 5 | ||||
-rw-r--r-- | shared.c | 43 |
2 files changed, 48 insertions, 0 deletions
@@ -14,16 +14,17 @@ #include <refs.h> #include <revision.h> #include <log-tree.h> #include <archive.h> #include <xdiff/xdiff.h> typedef void (*configfn)(const char *name, const char *value); +typedef void (*filepair_fn)(struct diff_filepair *pair); struct cacheitem { char *name; struct stat st; int ttl; int fd; }; @@ -111,16 +112,20 @@ extern void cgit_repo_config_cb(const char *name, const char *value); extern void cgit_querystring_cb(const char *name, const char *value); extern int chk_zero(int result, char *msg); extern int chk_positive(int result, char *msg); extern int hextoint(char c); extern void *cgit_free_commitinfo(struct commitinfo *info); +extern void cgit_diff_tree(const unsigned char *old_sha1, + const unsigned char *new_sha1, + filepair_fn fn); +extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); extern char *fmt(const char *format,...); extern void html(const char *txt); extern void htmlf(const char *format,...); extern void html_txt(char *txt); extern void html_ntxt(int len, char *txt); extern void html_attr(char *txt); @@ -190,8 +190,51 @@ int hextoint(char c) else if (c >= 'A' && c <= 'F') return 10 + c - 'A'; else if (c >= '0' && c <= '9') return c - '0'; else return -1; } +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); +} |