repack: add `repack.packKeptObjects` config var

diff --git a/builtin/cat-file.c b/builtin/cat-file.c
index 163ce6c77cea19b8c209e52ea2694f98d6cb0d05..b2ca775a80f54fcceba344d5545fe3cb34ba0184 100644 (file)
--- a/builtin/cat-file.c
+++ b/builtin/cat-file.c
@@ -45,6 +45,14 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
        case 'e':
                return !has_sha1_file(sha1);
 
+       case 'c':
+               if (!obj_context.path[0])
+                       die("git cat-file --textconv %s: <object> must be <sha1:path>",
+                           obj_name);
+
+               if (textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
+                       break;
+
        case 'p':
                type = sha1_object_info(sha1, NULL);
                if (type < 0)
@@ -67,16 +75,6 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name)
                /* otherwise just spit out the data */
                break;
 
-       case 'c':
-               if (!obj_context.path[0])
-                       die("git cat-file --textconv %s: <object> must be <sha1:path>",
-                           obj_name);
-
-               if (!textconv_object(obj_context.path, obj_context.mode, sha1, 1, &buf, &size))
-                       die("git cat-file --textconv: unable to run textconv on %s",
-                           obj_name);
-               break;
-
        case 0:
                if (type_from_string(exp_type) == OBJ_BLOB) {
                        unsigned char blob_sha1[20];
@@ -127,6 +125,13 @@ struct expand_data {
         */
        int mark_query;
 
+       /*
+        * Whether to split the input on whitespace before feeding it to
+        * get_sha1; this is decided during the mark_query phase based on
+        * whether we have a %(rest) token in our format.
+        */
+       int split_on_whitespace;
+
        /*
         * After a mark_query run, this object_info is set up to be
         * passed to sha1_object_info_extended. It will point to the data
@@ -165,7 +170,9 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len,
                else
                        strbuf_addf(sb, "%lu", data->disk_size);
        } else if (is_atom("rest", atom, len)) {
-               if (!data->mark_query && data->rest)
+               if (data->mark_query)
+                       data->split_on_whitespace = 1;
+               else if (data->rest)
                        strbuf_addstr(sb, data->rest);
        } else
                die("unknown format element: %.*s", len, atom);
@@ -277,19 +284,21 @@ static int batch_objects(struct batch_options *opt)
        warn_on_object_refname_ambiguity = 0;
 
        while (strbuf_getline(&buf, stdin, '\n') != EOF) {
-               char *p;
                int error;
 
-               /*
-                * Split at first whitespace, tying off the beginning of the
-                * string and saving the remainder (or NULL) in data.rest.
-                */
-               p = strpbrk(buf.buf, " \t");
-               if (p) {
-                       while (*p && strchr(" \t", *p))
-                               *p++ = '\0';
+               if (data.split_on_whitespace) {
+                       /*
+                        * Split at first whitespace, tying off the beginning
+                        * of the string and saving the remainder (or NULL) in
+                        * data.rest.
+                        */
+                       char *p = strpbrk(buf.buf, " \t");
+                       if (p) {
+                               while (*p && strchr(" \t", *p))
+                                       *p++ = '\0';
+                       }
+                       data.rest = p;
                }
-               data.rest = p;
 
                error = batch_one_object(buf.buf, opt, &data);
                if (error)