Merge branch 'rs/maint-config-use-labs' into maint

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index f8288c830cad215af63dd6d575c9bd4bf7aeaf6c..f8d81291b9913a769f79405720210aa4eaf6daee 100644 (file)
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -82,8 +82,9 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
                                enum object_type type;
                                unsigned long size;
                                char *buffer = read_sha1_file(sha1, &type, &size);
-                               if (memcmp(buffer, "object ", 7) ||
-                                   get_sha1_hex(buffer + 7, blob_sha1))
+                               const char *target;
+                               if (!skip_prefix(buffer, "object ", &target) ||
+                                   get_sha1_hex(target, blob_sha1))
                                        die("%s not a valid tag", sha1_to_hex(sha1));
                                free(buffer);
                        } else
@@ -118,6 +119,7 @@ struct expand_data {
        unsigned long size;
        unsigned long disk_size;
        const char *rest;
+       unsigned char delta_base_sha1[20];
 
        /*
         * If mark_query is true, we do not expand anything, but rather
@@ -174,6 +176,11 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
                        data->split_on_whitespace = 1;
                else if (data->rest)
                        strbuf_addstr(sb, data->rest);
+       } else if (is_atom("deltabase", atom, len)) {
+               if (data->mark_query)
+                       data->info.delta_base_sha1 = data->delta_base_sha1;
+               else
+                       strbuf_addstr(sb, sha1_to_hex(data->delta_base_sha1));
        } else
                die("unknown format element: %.*s", len, atom);
 }
@@ -241,7 +248,7 @@ static int batch_one_object(const char *obj_name, struct batch_options *opt,
                return 0;
        }
 
-       if (sha1_object_info_extended(data->sha1, &data->info) < 0) {
+       if (sha1_object_info_extended(data->sha1, &data->info, LOOKUP_REPLACE_OBJECT) < 0) {
                printf("%s missing\n", obj_name);
                fflush(stdout);
                return 0;
@@ -263,6 +270,8 @@ static int batch_objects(struct batch_options *opt)
 {
        struct strbuf buf = STRBUF_INIT;
        struct expand_data data;
+       int save_warning;
+       int retval = 0;
 
        if (!opt->format)
                opt->format = "%(objectname) %(objecttype) %(objectsize)";
@@ -291,11 +300,10 @@ static int batch_objects(struct batch_options *opt)
         * warn) ends up dwarfing the actual cost of the object lookups
         * themselves. We can work around it by just turning off the warning.
         */
+       save_warning = warn_on_object_refname_ambiguity;
        warn_on_object_refname_ambiguity = 0;
 
        while (strbuf_getline(&buf, stdin, '\n') != EOF) {
-               int error;
-
                if (data.split_on_whitespace) {
                        /*
                         * Split at first whitespace, tying off the beginning
@@ -310,12 +318,14 @@ static int batch_objects(struct batch_options *opt)
                        data.rest = p;
                }
 
-               error = batch_one_object(buf.buf, opt, &data);
-               if (error)
-                       return error;
+               retval = batch_one_object(buf.buf, opt, &data);
+               if (retval)
+                       break;
        }
 
-       return 0;
+       strbuf_release(&buf);
+       warn_on_object_refname_ambiguity = save_warning;
+       return retval;
 }
 
 static const char * const cat_file_usage[] = {