4 files changed, 35 insertions, 8 deletions

diff --git a/cmd.c b/cmd.c
index 6dc9f5e..536515b 100644
--- a/cmd.c
+++ b/cmd.c
@@ -67,7 +67,8 @@ static void info_fn(struct cgit_context *ctx)
 static void log_fn(struct cgit_context *ctx)
 {
         cgit_print_log(ctx->qry.sha1, ctx->qry.ofs, ctx->cfg.max_commit_count,
-                       ctx->qry.grep, ctx->qry.search, ctx->qry.path, 1);
+                       ctx->qry.grep, ctx->qry.search, ctx->qry.path, 1,
+                       ctx->repo->enable_commit_graph);
 }
 
 static void ls_cache_fn(struct cgit_context *ctx)
diff --git a/ui-log.c b/ui-log.c
index 5cf66cb..05b5c29 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -98,6 +98,7 @@ void print_commit(struct commit *commit, struct rev_info *revs)
         char *tmp;
         int cols = 2;
         struct strbuf graphbuf = STRBUF_INIT;
+        struct strbuf msgbuf = STRBUF_INIT;
 
         if (ctx.repo->enable_log_filecount) {
                 cols++;
@@ -136,6 +137,31 @@ void print_commit(struct commit *commit, struct rev_info *revs)
         }
 
         htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
+        if (ctx.qry.showmsg) {
+                /* line-wrap long commit subjects instead of truncating them */
+                size_t subject_len = strlen(info->subject);
+
+                if (subject_len > ctx.cfg.max_msg_len &&
+                    ctx.cfg.max_msg_len >= 15) {
+                        /* symbol for signaling line-wrap (in PAGE_ENCODING) */
+                        const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
+                        int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
+
+                        /* Rewind i to preceding space character */
+                        while (i > 0 && !isspace(info->subject[i]))
+                                --i;
+                        if (!i) /* Oops, zero spaces. Reset i */
+                                i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
+
+                        /* add remainder starting at i to msgbuf */
+                        strbuf_add(&msgbuf, info->subject + i, subject_len - i);
+                        strbuf_trim(&msgbuf);
+                        strbuf_add(&msgbuf, "\n\n", 2);
+
+                        /* Place wrap_symbol at position i in info->subject */
+                        strcpy(info->subject + i, wrap_symbol);
+                }
+        }
         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
                          sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
         show_commit_decorations(commit);
@@ -156,7 +182,6 @@ void print_commit(struct commit *commit, struct rev_info *revs)
         html("</td></tr>\n");
 
         if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
-                struct strbuf msgbuf = STRBUF_INIT;
                 html("<tr class='nohover'><td/>"); /* Empty 'Age' column */
 
                 if (ctx.qry.showmsg) {
@@ -204,9 +229,9 @@ void print_commit(struct commit *commit, struct rev_info *revs)
                         ctx.qry.showmsg ? " class='logmsg'" : "");
                 html_txt(msgbuf.buf);
                 html("</td></tr>\n");
-                strbuf_release(&msgbuf);
         }
 
+        strbuf_release(&msgbuf);
         strbuf_release(&graphbuf);
         cgit_free_commitinfo(info);
 }
@@ -246,7 +271,7 @@ static char *next_token(char **src)
 }
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
-                    char *path, int pager)
+                    char *path, int pager, int commit_graph)
 {
         struct rev_info rev;
         struct commit *commit;
@@ -286,7 +311,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
                         }
                 }
         }
-        if (ctx.repo->enable_commit_graph) {
+        if (commit_graph) {
                 static const char *graph_arg = "--graph";
                 static const char *color_arg = "--color";
                 vector_push(&vec, &graph_arg, 0);
@@ -321,7 +346,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
                 html("<table class='list nowrap'>");
 
         html("<tr class='nohover'><th class='left'>Age</th>");
-        if (ctx.repo->enable_commit_graph)
+        if (commit_graph)
                 html("<th></th>");
         html("<th class='left'>Commit message");
         if (pager) {
diff --git a/ui-log.h b/ui-log.h
index 6034055..d0cb779 100644
--- a/ui-log.h
+++ b/ui-log.h
@@ -2,7 +2,8 @@
 #define UI_LOG_H
 
 extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep,
-                           char *pattern, char *path, int pager);
+                           char *pattern, char *path, int pager,
+                           int commit_graph);
 extern void show_commit_decorations(struct commit *commit);
 
 #endif /* UI_LOG_H */
diff --git a/ui-summary.c b/ui-summary.c
index b203bcc..5be2545 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -59,7 +59,7 @@ void cgit_print_summary()
         if (ctx.cfg.summary_log > 0) {
                 html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
                 cgit_print_log(ctx.qry.head, 0, ctx.cfg.summary_log, NULL,
-                               NULL, NULL, 0);
+                               NULL, NULL, 0, 0);
         }
         if (ctx.repo->clone_url)
                 print_urls(ctx.repo->clone_url, NULL);