upload-pack: convert remaining parse_object callers to object_id

Convert the remaining parse_object callers to struct object_id.  Use
named constants for several hard-coded values.  In addition, rename
got_sha1 to got_oid to reflect the new argument.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/upload-pack.c b/upload-pack.c
index 20f87cd383b5c382069323637f4b3f07b8361178..5b9d21089a803d0298a083181503138e3d7d9ee0 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -286,19 +286,19 @@ static void create_pack_file(void)
        die("git upload-pack: %s", abort_msg);
 }
 
-static int got_sha1(const char *hex, unsigned char *sha1)
+static int got_oid(const char *hex, struct object_id *oid)
 {
        struct object *o;
        int we_knew_they_have = 0;
 
-       if (get_sha1_hex(hex, sha1))
+       if (get_oid_hex(hex, oid))
                die("git upload-pack: expected SHA1 object, got '%s'", hex);
-       if (!has_sha1_file(sha1))
+       if (!has_object_file(oid))
                return -1;
 
-       o = parse_object(sha1);
+       o = parse_object(oid->hash);
        if (!o)
-               die("oops (%s)", sha1_to_hex(sha1));
+               die("oops (%s)", oid_to_hex(oid));
        if (o->type == OBJ_COMMIT) {
                struct commit_list *parents;
                struct commit *commit = (struct commit *)o;
@@ -382,8 +382,8 @@ static int ok_to_give_up(void)
 
 static int get_common_commits(void)
 {
-       unsigned char sha1[20];
-       char last_hex[41];
+       struct object_id oid;
+       char last_hex[GIT_MAX_HEXSZ + 1];
        int got_common = 0;
        int got_other = 0;
        int sent_ready = 0;
@@ -416,11 +416,11 @@ static int get_common_commits(void)
                        continue;
                }
                if (skip_prefix(line, "have ", &arg)) {
-                       switch (got_sha1(arg, sha1)) {
+                       switch (got_oid(arg, &oid)) {
                        case -1: /* they have what we do not */
                                got_other = 1;
                                if (multi_ack && ok_to_give_up()) {
-                                       const char *hex = sha1_to_hex(sha1);
+                                       const char *hex = oid_to_hex(&oid);
                                        if (multi_ack == 2) {
                                                sent_ready = 1;
                                                packet_write_fmt(1, "ACK %s ready\n", hex);
@@ -430,7 +430,7 @@ static int get_common_commits(void)
                                break;
                        default:
                                got_common = 1;
-                               memcpy(last_hex, sha1_to_hex(sha1), 41);
+                               memcpy(last_hex, oid_to_hex(&oid), 41);
                                if (multi_ack == 2)
                                        packet_write_fmt(1, "ACK %s common\n", last_hex);
                                else if (multi_ack)
@@ -492,7 +492,7 @@ static int do_reachable_revlist(struct child_process *cmd,
                goto error;
 
        namebuf[0] = '^';
-       namebuf[41] = '\n';
+       namebuf[GIT_SHA1_HEXSZ + 1] = '\n';
        for (i = get_max_object_index(); 0 < i; ) {
                o = get_indexed_object(--i);
                if (!o)
@@ -502,10 +502,10 @@ static int do_reachable_revlist(struct child_process *cmd,
                if (!is_our_ref(o))
                        continue;
                memcpy(namebuf + 1, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
-               if (write_in_full(cmd->in, namebuf, 42) < 0)
+               if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 2) < 0)
                        goto error;
        }
-       namebuf[40] = '\n';
+       namebuf[GIT_SHA1_HEXSZ] = '\n';
        for (i = 0; i < src->nr; i++) {
                o = src->objects[i].item;
                if (is_our_ref(o)) {
@@ -516,7 +516,7 @@ static int do_reachable_revlist(struct child_process *cmd,
                if (reachable && o->type == OBJ_COMMIT)
                        o->flags |= TMP_MARK;
                memcpy(namebuf, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
-               if (write_in_full(cmd->in, namebuf, 41) < 0)
+               if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 1) < 0)
                        goto error;
        }
        close(cmd->in);
@@ -742,7 +742,7 @@ static void receive_needs(void)
        for (;;) {
                struct object *o;
                const char *features;
-               unsigned char sha1_buf[20];
+               struct object_id oid_buf;
                char *line = packet_read_line(0, NULL);
                const char *arg;
 
@@ -751,15 +751,15 @@ static void receive_needs(void)
                        break;
 
                if (skip_prefix(line, "shallow ", &arg)) {
-                       unsigned char sha1[20];
+                       struct object_id oid;
                        struct object *object;
-                       if (get_sha1_hex(arg, sha1))
+                       if (get_oid_hex(arg, &oid))
                                die("invalid shallow line: %s", line);
-                       object = parse_object(sha1);
+                       object = parse_object(oid.hash);
                        if (!object)
                                continue;
                        if (object->type != OBJ_COMMIT)
-                               die("invalid shallow object %s", sha1_to_hex(sha1));
+                               die("invalid shallow object %s", oid_to_hex(&oid));
                        if (!(object->flags & CLIENT_SHALLOW)) {
                                object->flags |= CLIENT_SHALLOW;
                                add_object_array(object, NULL, &shallows);
@@ -785,8 +785,8 @@ static void receive_needs(void)
                }
                if (skip_prefix(line, "deepen-not ", &arg)) {
                        char *ref = NULL;
-                       unsigned char sha1[20];
-                       if (expand_ref(arg, strlen(arg), sha1, &ref) != 1)
+                       struct object_id oid;
+                       if (expand_ref(arg, strlen(arg), oid.hash, &ref) != 1)
                                die("git upload-pack: ambiguous deepen-not: %s", line);
                        string_list_append(&deepen_not, ref);
                        free(ref);
@@ -794,7 +794,7 @@ static void receive_needs(void)
                        continue;
                }
                if (!skip_prefix(line, "want ", &arg) ||
-                   get_sha1_hex(arg, sha1_buf))
+                   get_oid_hex(arg, &oid_buf))
                        die("git upload-pack: protocol error, "
                            "expected to get sha, not '%s'", line);
 
@@ -821,13 +821,13 @@ static void receive_needs(void)
                if (parse_feature_request(features, "include-tag"))
                        use_include_tag = 1;
 
-               o = parse_object(sha1_buf);
+               o = parse_object(oid_buf.hash);
                if (!o) {
                        packet_write_fmt(1,
                                         "ERR upload-pack: not our ref %s",
-                                        sha1_to_hex(sha1_buf));
+                                        oid_to_hex(&oid_buf));
                        die("git upload-pack: not our ref %s",
-                           sha1_to_hex(sha1_buf));
+                           oid_to_hex(&oid_buf));
                }
                if (!(o->flags & WANTED)) {
                        o->flags |= WANTED;