Show lines changed as -n/+m in shortlogs

This is way more informative than the total number of changed lines.

Suggested-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 14 insertions, 7 deletions

diff --git a/ui-log.c b/ui-log.c
index 9f5fdf6..e5f3c57 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -1,133 +1,140 @@
 /* ui-log.c: functions for log output
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
-int files, lines;
+int files, add_lines, rem_lines;
 
 void count_lines(char *line, int size)
 {
-        if (size>0 && (line[0] == '+' || line[0] == '-'))
-                lines++;
+        if (size <= 0)
+                return;
+
+        if (line[0] == '+')
+                add_lines++;
+
+        else if (line[0] == '-')
+                rem_lines++;
 }
 
 void inspect_files(struct diff_filepair *pair)
 {
         files++;
         if (cgit_repo->enable_log_linecount)
                 cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines);
 }
 
 void print_commit(struct commit *commit)
 {
         struct commitinfo *info;
 
         info = cgit_parse_commit(commit);
         html("<tr><td>");
         cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
         html("</td><td>");
         cgit_commit_link(info->subject, NULL, NULL, cgit_query_head,
                          sha1_to_hex(commit->object.sha1));
         if (cgit_repo->enable_log_filecount) {
                 files = 0;
-                lines = 0;
+                add_lines = 0;
+                rem_lines = 0;
                 cgit_diff_commit(commit, inspect_files);
                 html("</td><td class='right'>");
                 htmlf("%d", files);
                 if (cgit_repo->enable_log_linecount) {
                         html("</td><td class='right'>");
-                        htmlf("%d", lines);
+                        htmlf("-%d/+%d", rem_lines, add_lines);
                 }
         }
         html("</td><td>");
         html_txt(info->author);
         html("</td></tr>\n");
         cgit_free_commitinfo(info);
 }
 
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern, char *path, int pager)
 {
         struct rev_info rev;
         struct commit *commit;
         const char *argv[] = {NULL, tip, NULL, NULL, NULL};
         int argc = 2;
         int i;
 
         if (!tip)
                 argv[1] = cgit_query_head;
 
         if (grep && pattern && (!strcmp(grep, "grep") ||
                                 !strcmp(grep, "author") ||
                                 !strcmp(grep, "committer")))
                 argv[argc++] = fmt("--%s=%s", grep, pattern);
 
         if (path) {
                 argv[argc++] = "--";
                 argv[argc++] = path;
         }
         init_revisions(&rev, NULL);
         rev.abbrev = DEFAULT_ABBREV;
         rev.commit_format = CMIT_FMT_DEFAULT;
         rev.verbose_header = 1;
         rev.show_root_diff = 0;
         setup_revisions(argc, argv, &rev, NULL);
         if (rev.grep_filter) {
                 rev.grep_filter->regflags |= REG_ICASE;
                 compile_grep_patterns(rev.grep_filter);
         }
         prepare_revision_walk(&rev);
 
         html("<table class='list nowrap'>");
         html("<tr class='nohover'><th class='left'>Age</th>"
              "<th class='left'>Message</th>");
 
         if (cgit_repo->enable_log_filecount) {
-                html("<th class='left'>Files</th>");
+                html("<th class='right'>Files</th>");
                 if (cgit_repo->enable_log_linecount)
-                        html("<th class='left'>Lines</th>");
+                        html("<th class='right'>Lines</th>");
         }
         html("<th class='left'>Author</th></tr>\n");
 
         if (ofs<0)
                 ofs = 0;
 
         for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
                 free(commit->buffer);
                 commit->buffer = NULL;
                 free_commit_list(commit->parents);
                 commit->parents = NULL;
         }
 
         for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
                 print_commit(commit);
                 free(commit->buffer);
                 commit->buffer = NULL;
                 free_commit_list(commit->parents);
                 commit->parents = NULL;
         }
         html("</table>\n");
 
         if (pager) {
                 html("<div class='pager'>");
                 if (ofs > 0) {
                         cgit_log_link("[prev]", NULL, NULL, cgit_query_head,
                                       cgit_query_sha1, cgit_query_path,
                                       ofs - cnt, cgit_query_grep,
                                       cgit_query_search);
                         html("&nbsp;");
                 }
                 if ((commit = get_revision(&rev)) != NULL) {
                         cgit_log_link("[next]", NULL, NULL, cgit_query_head,
                                       cgit_query_sha1, cgit_query_path,
                                       ofs + cnt, cgit_query_grep,
                                       cgit_query_search);
                 }
                 html("</div>");
         }
 }