Diff options
Diffstat (limited to 'ui-diff.c')
| -rw-r--r-- | ui-diff.c | 35 |
1 file changed, 35 insertions, 0 deletions
@@ -36,6 +36,7 @@ static struct fileinfo { static int use_ssdiff = 0; static struct diff_filepair *current_filepair; +static const char *current_prefix; struct diff_filespec *cgit_get_current_old_file(void) { @@ -132,11 +133,30 @@ static void count_diff_lines(char *line, int len) } } +static int show_filepair(struct diff_filepair *pair) +{ + /* Always show if we have no limiting prefix. */ + if (!current_prefix) + return 1; + + /* Show if either path in the pair begins with the prefix. */ + if (starts_with(pair->one->path, current_prefix) || + starts_with(pair->two->path, current_prefix)) + return 1; + + /* Otherwise we don't want to show this filepair. */ + return 0; +} + static void inspect_filepair(struct diff_filepair *pair) { int binary = 0; unsigned long old_size = 0; unsigned long new_size = 0; + + if (!show_filepair(pair)) + return; + files++; lines_added = 0; lines_removed = 0; @@ -279,6 +299,9 @@ static void filepair_cb(struct diff_filepair *pair) int binary = 0; linediff_fn print_line_fn = print_line; + if (!show_filepair(pair)) + return; + current_filepair = pair; if (use_ssdiff) { cgit_ssdiff_header_begin(); @@ -365,6 +388,18 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const unsigned char *old_tree_sha1, *new_tree_sha1; diff_type difftype; + /* + * If "follow" is set then the diff machinery needs to examine the + * entire commit to detect renames so we must limit the paths in our + * own callbacks and not pass the prefix to the diff machinery. + */ + if (ctx.qry.follow && ctx.cfg.enable_follow_links) { + current_prefix = prefix; + prefix = ""; + } else { + current_prefix = NULL; + } + if (!new_rev) new_rev = ctx.qry.head; if (get_sha1(new_rev, new_rev_sha1)) { |