Add "--show-all" revision walker flag for debugging

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 1cb5f67119a37b8490c76f4846372ba28a316fbf..716311616d70260146ae4783d2f718af323a1ed1 100644 (file)
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -60,6 +60,8 @@ static void show_commit(struct commit *commit)
                fputs(header_prefix, stdout);
        if (commit->object.flags & BOUNDARY)
                putchar('-');
+       else if (commit->object.flags & UNINTERESTING)
+               putchar('^');
        else if (revs.left_right) {
                if (commit->object.flags & SYMMETRIC_LEFT)
                        putchar('<');
@@ -84,7 +86,7 @@ static void show_commit(struct commit *commit)
        else
                putchar('\n');
 
-       if (revs.verbose_header) {
+       if (revs.verbose_header && commit->buffer) {
                struct strbuf buf;
                strbuf_init(&buf, 0);
                pretty_print_commit(revs.commit_format, commit,
@@ -520,7 +522,7 @@ static void read_revisions_from_stdin(struct rev_info *revs)
 
        while (fgets(line, sizeof(line), stdin) != NULL) {
                int len = strlen(line);
-               if (line[len - 1] == '\n')
+               if (len && line[len - 1] == '\n')
                        line[--len] = 0;
                if (!len)
                        break;