status: add --porcelain output format

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 9742b45c4da7f9330491d0b4c6d3ed60aadb0f4c..ef4bf6bc14aadffcd85999c2eca59e5a0e7e6451 100644 (file)
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -536,11 +536,9 @@ static void write_pack_file(void)
                                 base_name, sha1_to_hex(sha1));
                        free_pack_by_name(tmpname);
                        if (adjust_perm(pack_tmp_name, mode))
-                               die("unable to make temporary pack file readable: %s",
-                                   strerror(errno));
+                               die_errno("unable to make temporary pack file readable");
                        if (rename(pack_tmp_name, tmpname))
-                               die("unable to rename temporary pack file: %s",
-                                   strerror(errno));
+                               die_errno("unable to rename temporary pack file");
 
                        /*
                         * Packs are runtime accessed in their mtime
@@ -566,11 +564,9 @@ static void write_pack_file(void)
                        snprintf(tmpname, sizeof(tmpname), "%s-%s.idx",
                                 base_name, sha1_to_hex(sha1));
                        if (adjust_perm(idx_tmp_name, mode))
-                               die("unable to make temporary index file readable: %s",
-                                   strerror(errno));
+                               die_errno("unable to make temporary index file readable");
                        if (rename(idx_tmp_name, tmpname))
-                               die("unable to rename temporary index file: %s",
-                                   strerror(errno));
+                               die_errno("unable to rename temporary index file");
 
                        free(idx_tmp_name);
                        free(pack_tmp_name);
@@ -653,8 +649,7 @@ static void rehash_objects(void)
 
 static unsigned name_hash(const char *name)
 {
-       unsigned char c;
-       unsigned hash = 0;
+       unsigned c, hash = 0;
 
        if (!name)
                return 0;
@@ -1880,7 +1875,7 @@ static void read_object_list_from_stdin(void)
                        if (!ferror(stdin))
                                die("fgets returned NULL, not EOF, not error!");
                        if (errno != EINTR)
-                               die("fgets: %s", strerror(errno));
+                               die_errno("fgets");
                        clearerr(stdin);
                        continue;
                }
@@ -2260,6 +2255,10 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
                                die("bad %s", arg);
                        continue;
                }
+               if (!strcmp(arg, "--keep-true-parents")) {
+                       grafts_replace_parents = 0;
+                       continue;
+               }
                usage(pack_usage);
        }