contrib/workdir: add a simple script to create a working directory

diff --git a/index-pack.c b/index-pack.c
index 4effb2da6d419a85a6010562de6ac051a35c9ff3..6284fe3760465cceccfa7fb1580a8652761f35b6 100644 (file)
--- a/index-pack.c
+++ b/index-pack.c
@@ -139,7 +139,7 @@ static const char *open_pack_file(const char *pack_name)
                if (!pack_name) {
                        static char tmpfile[PATH_MAX];
                        snprintf(tmpfile, sizeof(tmpfile),
-                                "%s/pack_XXXXXX", get_object_directory());
+                                "%s/tmp_pack_XXXXXX", get_object_directory());
                        output_fd = mkstemp(tmpfile);
                        pack_name = xstrdup(tmpfile);
                } else
@@ -345,31 +345,10 @@ static int find_delta_children(const union delta_base *base,
 }
 
 static void sha1_object(const void *data, unsigned long size,
-                       enum object_type type, unsigned char *sha1,
-                       int test_for_collision)
+                       enum object_type type, unsigned char *sha1)
 {
-       SHA_CTX ctx;
-       char header[50];
-       int header_size;
-       const char *type_str;
-
-       switch (type) {
-       case OBJ_COMMIT: type_str = commit_type; break;
-       case OBJ_TREE:   type_str = tree_type; break;
-       case OBJ_BLOB:   type_str = blob_type; break;
-       case OBJ_TAG:    type_str = tag_type; break;
-       default:
-               die("bad type %d", type);
-       }
-
-       header_size = sprintf(header, "%s %lu", type_str, size) + 1;
-
-       SHA1_Init(&ctx);
-       SHA1_Update(&ctx, header, header_size);
-       SHA1_Update(&ctx, data, size);
-       SHA1_Final(sha1, &ctx);
-
-       if (test_for_collision && has_sha1_file(sha1)) {
+       hash_sha1_file(data, size, typename(type), sha1);
+       if (has_sha1_file(sha1)) {
                void *has_data;
                enum object_type has_type;
                unsigned long has_size;
@@ -400,7 +379,7 @@ static void resolve_delta(struct object_entry *delta_obj, void *base_data,
        free(delta_data);
        if (!result)
                bad_object(delta_obj->offset, "failed to apply delta");
-       sha1_object(result, result_size, type, delta_obj->sha1, 1);
+       sha1_object(result, result_size, type, delta_obj->sha1);
        nr_resolved_deltas++;
 
        hashcpy(delta_base.sha1, delta_obj->sha1);
@@ -457,7 +436,7 @@ static void parse_pack_objects(unsigned char *sha1)
                        delta->obj_no = i;
                        delta++;
                } else
-                       sha1_object(data, obj->size, obj->type, obj->sha1, 1);
+                       sha1_object(data, obj->size, obj->type, obj->sha1);
                free(data);
                if (verbose)
                        percent = display_progress(i+1, nr_objects, percent);
@@ -560,7 +539,7 @@ static int write_compressed(int fd, void *in, unsigned int size)
        return size;
 }
 
-static void append_obj_to_pack(void *buf,
+static void append_obj_to_pack(const unsigned char *sha1, void *buf,
                               unsigned long size, enum object_type type)
 {
        struct object_entry *obj = &objects[nr_objects++];
@@ -578,7 +557,7 @@ static void append_obj_to_pack(void *buf,
        write_or_die(output_fd, header, n);
        obj[1].offset = obj[0].offset + n;
        obj[1].offset += write_compressed(output_fd, buf, size);
-       sha1_object(buf, size, type, obj->sha1, 0);
+       hashcpy(obj->sha1, sha1);
 }
 
 static int delta_pos_compare(const void *_a, const void *_b)
@@ -631,7 +610,9 @@ static void fix_unresolved_deltas(int nr_unresolved)
                                resolve_delta(child, data, size, type);
                }
 
-               append_obj_to_pack(data, size, type);
+               if (check_sha1_signature(d->base.sha1, data, size, typename(type)))
+                       die("local object %s is corrupt", sha1_to_hex(d->base.sha1));
+               append_obj_to_pack(d->base.sha1, data, size, type);
                free(data);
                if (verbose)
                        percent = display_progress(nr_resolved_deltas,
@@ -709,7 +690,7 @@ static const char *write_index_file(const char *index_name, unsigned char *sha1)
        if (!index_name) {
                static char tmpfile[PATH_MAX];
                snprintf(tmpfile, sizeof(tmpfile),
-                        "%s/index_XXXXXX", get_object_directory());
+                        "%s/tmp_idx_XXXXXX", get_object_directory());
                fd = mkstemp(tmpfile);
                index_name = xstrdup(tmpfile);
        } else {