summaryrefslogtreecommitdiffabout
Side-by-side diff
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--cgit.h2
-rw-r--r--shared.c11
-rw-r--r--ui-diff.c3
3 files changed, 11 insertions, 5 deletions
diff --git a/cgit.h b/cgit.h
index e3d9cb8..5ef0bc5 100644
--- a/cgit.h
+++ b/cgit.h
@@ -77,173 +77,173 @@ struct repolist {
int length;
int count;
struct repoinfo *repos;
};
struct commitinfo {
struct commit *commit;
char *author;
char *author_email;
unsigned long author_date;
char *committer;
char *committer_email;
unsigned long committer_date;
char *subject;
char *msg;
};
struct taginfo {
char *tagger;
char *tagger_email;
int tagger_date;
char *msg;
};
extern const char *cgit_version;
extern struct repolist cgit_repolist;
extern struct repoinfo *cgit_repo;
extern int cgit_cmd;
extern char *cgit_root_title;
extern char *cgit_css;
extern char *cgit_logo;
extern char *cgit_index_header;
extern char *cgit_logo_link;
extern char *cgit_module_link;
extern char *cgit_agefile;
extern char *cgit_virtual_root;
extern char *cgit_script_name;
extern char *cgit_cache_root;
extern char *cgit_repo_group;
extern int cgit_nocache;
extern int cgit_snapshots;
extern int cgit_enable_index_links;
extern int cgit_enable_log_filecount;
extern int cgit_enable_log_linecount;
extern int cgit_max_lock_attempts;
extern int cgit_cache_root_ttl;
extern int cgit_cache_repo_ttl;
extern int cgit_cache_dynamic_ttl;
extern int cgit_cache_static_ttl;
extern int cgit_cache_max_create_time;
extern int cgit_summary_log;
extern int cgit_max_msg_len;
extern int cgit_max_repodesc_len;
extern int cgit_max_commit_count;
extern int cgit_query_has_symref;
extern int cgit_query_has_sha1;
extern char *cgit_querystring;
extern char *cgit_query_repo;
extern char *cgit_query_page;
extern char *cgit_query_search;
extern char *cgit_query_head;
extern char *cgit_query_sha1;
extern char *cgit_query_sha2;
extern char *cgit_query_path;
extern char *cgit_query_name;
extern int cgit_query_ofs;
extern int htmlfd;
extern int cgit_get_cmd_index(const char *cmd);
extern struct repoinfo *cgit_get_repoinfo(const char *url);
extern void cgit_global_config_cb(const char *name, const char *value);
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 chk_non_negative(int result, char *msg);
extern int hextoint(char c);
extern char *trim_end(const char *str, char c);
extern void *cgit_free_commitinfo(struct commitinfo *info);
extern int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1,
linediff_fn fn);
extern void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
- filepair_fn fn);
+ filepair_fn fn, const char *prefix);
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);
extern void html_hidden(char *name, char *value);
extern void html_link_open(char *url, char *title, char *class);
extern void html_link_close(void);
extern void html_filemode(unsigned short mode);
extern int html_include(const char *filename);
extern int cgit_read_config(const char *filename, configfn fn);
extern int cgit_parse_query(char *txt, configfn fn);
extern struct commitinfo *cgit_parse_commit(struct commit *commit);
extern struct taginfo *cgit_parse_tag(struct tag *tag);
extern void cgit_parse_url(const char *url);
extern char *cache_safe_filename(const char *unsafe);
extern int cache_lock(struct cacheitem *item);
extern int cache_unlock(struct cacheitem *item);
extern int cache_cancel_lock(struct cacheitem *item);
extern int cache_exist(struct cacheitem *item);
extern int cache_expired(struct cacheitem *item);
extern char *cgit_repourl(const char *reponame);
extern char *cgit_fileurl(const char *reponame, const char *pagename,
const char *filename, const char *query);
extern char *cgit_pageurl(const char *reponame, const char *pagename,
const char *query);
extern const char *cgit_repobasename(const char *reponame);
extern void cgit_tree_link(char *name, char *title, char *class, char *head,
char *rev, char *path);
extern void cgit_log_link(char *name, char *title, char *class, char *head,
char *rev, char *path, int ofs);
extern void cgit_commit_link(char *name, char *title, char *class, char *head,
char *rev);
extern void cgit_snapshot_link(char *name, char *title, char *class,
char *head, char *rev, char *archivename);
extern void cgit_diff_link(char *name, char *title, char *class, char *head,
char *new_rev, char *old_rev, char *path);
extern void cgit_object_link(struct object *obj);
extern void cgit_print_error(char *msg);
extern void cgit_print_date(time_t secs, char *format);
extern void cgit_print_age(time_t t, time_t max_relative, char *format);
extern void cgit_print_docstart(char *title, struct cacheitem *item);
extern void cgit_print_docend();
extern void cgit_print_pageheader(char *title, int show_search);
extern void cgit_print_snapshot_start(const char *mimetype,
const char *filename,
struct cacheitem *item);
extern void cgit_print_repolist(struct cacheitem *item);
extern void cgit_print_summary();
extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path, int pager);
extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
extern void cgit_print_tree(const char *rev, char *path);
extern void cgit_print_commit(char *hex);
extern void cgit_print_tag(char *revname);
extern void cgit_print_diff(const char *new_hex, const char *old_hex);
extern void cgit_print_snapshot(struct cacheitem *item, const char *head,
const char *hex, const char *prefix,
const char *filename, int snapshot);
extern void cgit_print_snapshot_links(const char *repo, const char *head,
const char *hex, int snapshots);
extern int cgit_parse_snapshots_mask(const char *str);
#endif /* CGIT_H */
diff --git a/shared.c b/shared.c
index 0a6a5ed..3d4feea 100644
--- a/shared.c
+++ b/shared.c
@@ -293,126 +293,133 @@ char *trim_end(const char *str, 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]);
}
}
static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
{
enum object_type type;
if (is_null_sha1(sha1)) {
file->ptr = (char *)"";
file->size = 0;
} else {
file->ptr = read_sha1_file(sha1, &type,
(unsigned long *)&file->size);
}
return 1;
}
/*
* Receive diff-buffers from xdiff and concatenate them as
* needed across multiple callbacks.
*
* This is basically a copy of xdiff-interface.c/xdiff_outf(),
* ripped from git and modified to use globals instead of
* a special callback-struct.
*/
char *diffbuf = NULL;
int buflen = 0;
int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
{
int i;
for (i = 0; i < nbuf; i++) {
if (mb[i].ptr[mb[i].size-1] != '\n') {
/* Incomplete line */
diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
buflen += mb[i].size;
continue;
}
/* we have a complete line */
if (!diffbuf) {
((linediff_fn)priv)(mb[i].ptr, mb[i].size);
continue;
}
diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
free(diffbuf);
diffbuf = NULL;
buflen = 0;
}
if (diffbuf) {
((linediff_fn)priv)(diffbuf, buflen);
free(diffbuf);
diffbuf = NULL;
buflen = 0;
}
return 0;
}
int cgit_diff_files(const unsigned char *old_sha1,
const unsigned char *new_sha1,
linediff_fn fn)
{
mmfile_t file1, file2;
xpparam_t diff_params;
xdemitconf_t emit_params;
xdemitcb_t emit_cb;
if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
return 1;
diff_params.flags = XDF_NEED_MINIMAL;
emit_params.ctxlen = 3;
emit_params.flags = XDL_EMIT_FUNCNAMES;
emit_params.find_func = NULL;
emit_cb.outf = filediff_cb;
emit_cb.priv = fn;
xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
return 0;
}
void cgit_diff_tree(const unsigned char *old_sha1,
const unsigned char *new_sha1,
- filepair_fn fn)
+ filepair_fn fn, const char *prefix)
{
struct diff_options opt;
int ret;
+ int prefixlen;
diff_setup(&opt);
opt.output_format = DIFF_FORMAT_CALLBACK;
opt.detect_rename = 1;
opt.rename_limit = cgit_renamelimit;
opt.recursive = 1;
opt.format_callback = cgit_diff_tree_cb;
opt.format_callback_data = fn;
+ if (prefix) {
+ opt.nr_paths = 1;
+ opt.paths = &prefix;
+ prefixlen = strlen(prefix);
+ opt.pathlens = &prefixlen;
+ }
diff_setup_done(&opt);
if (old_sha1 && !is_null_sha1(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);
+ cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL);
}
diff --git a/ui-diff.c b/ui-diff.c
index 0be845f..11a2ff8 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -38,103 +38,102 @@ static void header(unsigned char *sha1, char *path1, int mode1,
int subproject;
subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2));
html("<div class='head'>");
html("diff --git a/");
html_txt(path1);
html(" b/");
html_txt(path2);
if (is_null_sha1(sha1))
path1 = "dev/null";
if (is_null_sha1(sha2))
path2 = "dev/null";
if (mode1 == 0)
htmlf("<br/>new file mode %.6o", mode2);
if (mode2 == 0)
htmlf("<br/>deleted file mode %.6o", mode1);
if (!subproject) {
abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV));
htmlf("<br/>index %s..%s", abbrev1, abbrev2);
free(abbrev1);
free(abbrev2);
if (mode1 != 0 && mode2 != 0) {
htmlf(" %.6o", mode1);
if (mode2 != mode1)
htmlf("..%.6o", mode2);
}
html("<br/>--- a/");
html_txt(path1);
html("<br/>+++ b/");
html_txt(path2);
}
html("</div>");
}
static void filepair_cb(struct diff_filepair *pair)
{
header(pair->one->sha1, pair->one->path, pair->one->mode,
pair->two->sha1, pair->two->path, pair->two->mode);
if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
if (S_ISGITLINK(pair->one->mode))
print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
if (S_ISGITLINK(pair->two->mode))
print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
return;
}
if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line))
cgit_print_error("Error running diff");
}
void cgit_print_diff(const char *new_rev, const char *old_rev)
{
unsigned char sha1[20], sha2[20];
enum object_type type;
unsigned long size;
struct commit *commit, *commit2;
if (!new_rev)
new_rev = cgit_query_head;
get_sha1(new_rev, sha1);
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
cgit_print_error(fmt("Bad object name: %s", new_rev));
return;
}
if (type != OBJ_COMMIT) {
cgit_print_error(fmt("Unhandled object type: %s",
typename(type)));
return;
}
commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit))
cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha1)));
if (old_rev)
get_sha1(old_rev, sha2);
else if (commit->parents && commit->parents->item)
hashcpy(sha2, commit->parents->item->object.sha1);
else
hashclr(sha2);
if (!is_null_sha1(sha2)) {
type = sha1_object_info(sha2, &size);
if (type == OBJ_BAD) {
cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(sha2)));
return;
}
commit2 = lookup_commit_reference(sha2);
if (!commit2 || parse_commit(commit2))
cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(sha2)));
}
-
html("<table class='diff'>");
html("<tr><td>");
- cgit_diff_tree(sha2, sha1, filepair_cb);
+ cgit_diff_tree(sha2, sha1, filepair_cb, NULL);
html("</td></tr>");
html("</table>");
}