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-rw-r--r--pretty.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/pretty.c b/pretty.c
index 587101f..91be0ce 100644
--- a/pretty.c
+++ b/pretty.c
@@ -445,6 +445,7 @@ struct format_commit_context {
enum date_mode dmode;
unsigned commit_header_parsed:1;
unsigned commit_message_parsed:1;
+ size_t width, indent1, indent2;
/* These offsets are relative to the start of the commit message. */
struct chunk author;
@@ -458,6 +459,7 @@ struct format_commit_context {
struct chunk abbrev_commit_hash;
struct chunk abbrev_tree_hash;
struct chunk abbrev_parent_hashes;
+ size_t wrap_start;
};
static int add_again(struct strbuf *sb, struct chunk *chunk)
@@ -595,6 +597,35 @@ static void format_decoration(struct strbuf *sb, const struct commit *commit)
strbuf_addch(sb, ')');
}
+static void strbuf_wrap(struct strbuf *sb, size_t pos,
+ size_t width, size_t indent1, size_t indent2)
+{
+ struct strbuf tmp = STRBUF_INIT;
+
+ if (pos)
+ strbuf_add(&tmp, sb->buf, pos);
+ strbuf_add_wrapped_text(&tmp, sb->buf + pos,
+ (int) indent1, (int) indent2, (int) width);
+ strbuf_swap(&tmp, sb);
+ strbuf_release(&tmp);
+}
+
+static void rewrap_message_tail(struct strbuf *sb,
+ struct format_commit_context *c,
+ size_t new_width, size_t new_indent1,
+ size_t new_indent2)
+{
+ if (c->width == new_width && c->indent1 == new_indent1 &&
+ c->indent2 == new_indent2)
+ return;
+ if (c->wrap_start && c->wrap_start < sb->len)
+ strbuf_wrap(sb, c->wrap_start, c->width, c->indent1, c->indent2);
+ c->wrap_start = sb->len;
+ c->width = new_width;
+ c->indent1 = new_indent1;
+ c->indent2 = new_indent2;
+}
+
static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
void *context)
{
@@ -645,6 +676,30 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
return 3;
} else
return 0;
+ case 'w':
+ if (placeholder[1] == '(') {
+ unsigned long width = 0, indent1 = 0, indent2 = 0;
+ char *next;
+ const char *start = placeholder + 2;
+ const char *end = strchr(start, ')');
+ if (!end)
+ return 0;
+ if (end > start) {
+ width = strtoul(start, &next, 10);
+ if (*next == ',') {
+ indent1 = strtoul(next + 1, &next, 10);
+ if (*next == ',') {
+ indent2 = strtoul(next + 1,
+ &next, 10);
+ }
+ }
+ if (*next != ')')
+ return 0;
+ }
+ rewrap_message_tail(sb, c, width, indent1, indent2);
+ return end - placeholder + 1;
+ } else
+ return 0;
}
/* these depend on the commit */
@@ -748,7 +803,9 @@ void format_commit_message(const struct commit *commit,
memset(&context, 0, sizeof(context));
context.commit = commit;
context.dmode = dmode;
+ context.wrap_start = sb->len;
strbuf_expand(sb, format, format_commit_item, &context);
+ rewrap_message_tail(sb, &context, 0, 0, 0);
}
static void pp_header(enum cmit_fmt fmt,