builtin/update_ref: convert to struct object_id

Convert the uses of unsigned char * to struct object_id.

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

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 40ccfc193bf785cfae0f83526c561eedf0d310bc..6b90c5deadb62600aa08166f500bde24cb800fbf 100644 (file)
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -94,10 +94,10 @@ static char *parse_refname(struct strbuf *input, const char **next)
  * provided but cannot be converted to a SHA-1, die.  flags can
  * include PARSE_SHA1_OLD and/or PARSE_SHA1_ALLOW_EMPTY.
  */
-static int parse_next_sha1(struct strbuf *input, const char **next,
-                          unsigned char *sha1,
-                          const char *command, const char *refname,
-                          int flags)
+static int parse_next_oid(struct strbuf *input, const char **next,
+                         struct object_id *oid,
+                         const char *command, const char *refname,
+                         int flags)
 {
        struct strbuf arg = STRBUF_INIT;
        int ret = 0;
@@ -115,11 +115,11 @@ static int parse_next_sha1(struct strbuf *input, const char **next,
                (*next)++;
                *next = parse_arg(*next, &arg);
                if (arg.len) {
-                       if (get_sha1(arg.buf, sha1))
+                       if (get_oid(arg.buf, oid))
                                goto invalid;
                } else {
                        /* Without -z, an empty value means all zeros: */
-                       hashclr(sha1);
+                       oidclr(oid);
                }
        } else {
                /* With -z, read the next NUL-terminated line */
@@ -133,13 +133,13 @@ static int parse_next_sha1(struct strbuf *input, const char **next,
                *next += arg.len;
 
                if (arg.len) {
-                       if (get_sha1(arg.buf, sha1))
+                       if (get_oid(arg.buf, oid))
                                goto invalid;
                } else if (flags & PARSE_SHA1_ALLOW_EMPTY) {
                        /* With -z, treat an empty value as all zeros: */
                        warning("%s %s: missing <newvalue>, treating as zero",
                                command, refname);
-                       hashclr(sha1);
+                       oidclr(oid);
                } else {
                        /*
                         * With -z, an empty non-required value means
@@ -182,26 +182,25 @@ static const char *parse_cmd_update(struct ref_transaction *transaction,
 {
        struct strbuf err = STRBUF_INIT;
        char *refname;
-       unsigned char new_sha1[20];
-       unsigned char old_sha1[20];
+       struct object_id new_oid, old_oid;
        int have_old;
 
        refname = parse_refname(input, &next);
        if (!refname)
                die("update: missing <ref>");
 
-       if (parse_next_sha1(input, &next, new_sha1, "update", refname,
-                           PARSE_SHA1_ALLOW_EMPTY))
+       if (parse_next_oid(input, &next, &new_oid, "update", refname,
+                          PARSE_SHA1_ALLOW_EMPTY))
                die("update %s: missing <newvalue>", refname);
 
-       have_old = !parse_next_sha1(input, &next, old_sha1, "update", refname,
-                                   PARSE_SHA1_OLD);
+       have_old = !parse_next_oid(input, &next, &old_oid, "update", refname,
+                                  PARSE_SHA1_OLD);
 
        if (*next != line_termination)
                die("update %s: extra input: %s", refname, next);
 
        if (ref_transaction_update(transaction, refname,
-                                  new_sha1, have_old ? old_sha1 : NULL,
+                                  new_oid.hash, have_old ? old_oid.hash : NULL,
                                   update_flags | create_reflog_flag,
                                   msg, &err))
                die("%s", err.buf);
@@ -218,22 +217,22 @@ static const char *parse_cmd_create(struct ref_transaction *transaction,
 {
        struct strbuf err = STRBUF_INIT;
        char *refname;
-       unsigned char new_sha1[20];
+       struct object_id new_oid;
 
        refname = parse_refname(input, &next);
        if (!refname)
                die("create: missing <ref>");
 
-       if (parse_next_sha1(input, &next, new_sha1, "create", refname, 0))
+       if (parse_next_oid(input, &next, &new_oid, "create", refname, 0))
                die("create %s: missing <newvalue>", refname);
 
-       if (is_null_sha1(new_sha1))
+       if (is_null_oid(&new_oid))
                die("create %s: zero <newvalue>", refname);
 
        if (*next != line_termination)
                die("create %s: extra input: %s", refname, next);
 
-       if (ref_transaction_create(transaction, refname, new_sha1,
+       if (ref_transaction_create(transaction, refname, new_oid.hash,
                                   update_flags | create_reflog_flag,
                                   msg, &err))
                die("%s", err.buf);
@@ -250,18 +249,18 @@ static const char *parse_cmd_delete(struct ref_transaction *transaction,
 {
        struct strbuf err = STRBUF_INIT;
        char *refname;
-       unsigned char old_sha1[20];
+       struct object_id old_oid;
        int have_old;
 
        refname = parse_refname(input, &next);
        if (!refname)
                die("delete: missing <ref>");
 
-       if (parse_next_sha1(input, &next, old_sha1, "delete", refname,
-                           PARSE_SHA1_OLD)) {
+       if (parse_next_oid(input, &next, &old_oid, "delete", refname,
+                          PARSE_SHA1_OLD)) {
                have_old = 0;
        } else {
-               if (is_null_sha1(old_sha1))
+               if (is_null_oid(&old_oid))
                        die("delete %s: zero <oldvalue>", refname);
                have_old = 1;
        }
@@ -270,7 +269,7 @@ static const char *parse_cmd_delete(struct ref_transaction *transaction,
                die("delete %s: extra input: %s", refname, next);
 
        if (ref_transaction_delete(transaction, refname,
-                                  have_old ? old_sha1 : NULL,
+                                  have_old ? old_oid.hash : NULL,
                                   update_flags, msg, &err))
                die("%s", err.buf);
 
@@ -286,20 +285,20 @@ static const char *parse_cmd_verify(struct ref_transaction *transaction,
 {
        struct strbuf err = STRBUF_INIT;
        char *refname;
-       unsigned char old_sha1[20];
+       struct object_id old_oid;
 
        refname = parse_refname(input, &next);
        if (!refname)
                die("verify: missing <ref>");
 
-       if (parse_next_sha1(input, &next, old_sha1, "verify", refname,
-                           PARSE_SHA1_OLD))
-               hashclr(old_sha1);
+       if (parse_next_oid(input, &next, &old_oid, "verify", refname,
+                          PARSE_SHA1_OLD))
+               oidclr(&old_oid);
 
        if (*next != line_termination)
                die("verify %s: extra input: %s", refname, next);
 
-       if (ref_transaction_verify(transaction, refname, old_sha1,
+       if (ref_transaction_verify(transaction, refname, old_oid.hash,
                                   update_flags, &err))
                die("%s", err.buf);
 
@@ -355,7 +354,7 @@ static void update_refs_stdin(struct ref_transaction *transaction)
 int cmd_update_ref(int argc, const char **argv, const char *prefix)
 {
        const char *refname, *oldval;
-       unsigned char sha1[20], oldsha1[20];
+       struct object_id oid, oldoid;
        int delete = 0, no_deref = 0, read_stdin = 0, end_null = 0;
        unsigned int flags = 0;
        int create_reflog = 0;
@@ -412,7 +411,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
                refname = argv[0];
                value = argv[1];
                oldval = argv[2];
-               if (get_sha1(value, sha1))
+               if (get_oid(value, &oid))
                        die("%s: not a valid SHA1", value);
        }
 
@@ -422,8 +421,8 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
                         * The empty string implies that the reference
                         * must not already exist:
                         */
-                       hashclr(oldsha1);
-               else if (get_sha1(oldval, oldsha1))
+                       oidclr(&oldoid);
+               else if (get_oid(oldval, &oldoid))
                        die("%s: not a valid old SHA1", oldval);
        }
 
@@ -435,10 +434,10 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
                 * NULL_SHA1 as "don't care" here:
                 */
                return delete_ref(msg, refname,
-                                 (oldval && !is_null_sha1(oldsha1)) ? oldsha1 : NULL,
+                                 (oldval && !is_null_oid(&oldoid)) ? oldoid.hash : NULL,
                                  flags);
        else
-               return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
+               return update_ref(msg, refname, oid.hash, oldval ? oldoid.hash : NULL,
                                  flags | create_reflog_flag,
                                  UPDATE_REFS_DIE_ON_ERR);
 }