Merge branch 'jk/diff'

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 402af8e1b5516143c5f4e2303abf05d2812c5a1c..8fe8afbd0469c689cad111df6302508d352b6c29 100644 (file)
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -23,6 +23,7 @@ static const char rev_list_usage[] =
 "    --no-merges\n"
 "    --remove-empty\n"
 "    --all\n"
+"    --stdin\n"
 "  ordering output:\n"
 "    --topo-order\n"
 "    --date-order\n"
@@ -109,7 +110,7 @@ static void process_blob(struct blob *blob,
        if (obj->flags & (UNINTERESTING | SEEN))
                return;
        obj->flags |= SEEN;
-       name = strdup(name);
+       name = xstrdup(name);
        add_object(obj, p, path, name);
 }
 
@@ -130,7 +131,7 @@ static void process_tree(struct tree *tree,
        if (parse_tree(tree) < 0)
                die("bad tree object %s", sha1_to_hex(obj->sha1));
        obj->flags |= SEEN;
-       name = strdup(name);
+       name = xstrdup(name);
        add_object(obj, p, path, name);
        me.up = path;
        me.elem = name;
@@ -304,10 +305,28 @@ static void mark_edges_uninteresting(struct commit_list *list)
        }
 }
 
+static void read_revisions_from_stdin(struct rev_info *revs)
+{
+       char line[1000];
+
+       while (fgets(line, sizeof(line), stdin) != NULL) {
+               int len = strlen(line);
+               if (line[len - 1] == '\n')
+                       line[--len] = 0;
+               if (!len)
+                       break;
+               if (line[0] == '-')
+                       die("options not supported in --stdin mode");
+               if (handle_revision_arg(line, revs, 0, 1))
+                       die("bad revision '%s'", line);
+       }
+}
+
 int cmd_rev_list(int argc, const char **argv, const char *prefix)
 {
        struct commit_list *list;
        int i;
+       int read_from_stdin = 0;
 
        init_revisions(&revs, prefix);
        revs.abbrev = 0;
@@ -329,6 +348,12 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
                        bisect_list = 1;
                        continue;
                }
+               if (!strcmp(arg, "--stdin")) {
+                       if (read_from_stdin++)
+                               die("--stdin given twice?");
+                       read_revisions_from_stdin(&revs);
+                       continue;
+               }
                usage(rev_list_usage);
 
        }