builtin/rev-parse: convert to struct object_id
authorbrian m. carlson <sandals@crustytoothpaste.net>
Mon, 1 May 2017 02:29:02 +0000 (02:29 +0000)
committerJunio C Hamano <gitster@pobox.com>
Tue, 2 May 2017 01:48:02 +0000 (10:48 +0900)
Some of the functions converted are callers of lookup_commit_reference.
However, the changes involved in converting the entire thing are not too
large, so we might as well convert it all.

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

index 0513330..4af1222 100644 (file)
@@ -121,7 +121,7 @@ static void show_with_type(int type, const char *arg)
 }
 
 /* Output a revision, only if filter allows it */
-static void show_rev(int type, const unsigned char *sha1, const char *name)
+static void show_rev(int type, const struct object_id *oid, const char *name)
 {
        if (!(filter & DO_REVS))
                return;
@@ -129,10 +129,10 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
 
        if ((symbolic || abbrev_ref) && name) {
                if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) {
-                       unsigned char discard[20];
+                       struct object_id discard;
                        char *full;
 
-                       switch (dwim_ref(name, strlen(name), discard, &full)) {
+                       switch (dwim_ref(name, strlen(name), discard.hash, &full)) {
                        case 0:
                                /*
                                 * Not found -- not a ref.  We could
@@ -158,9 +158,9 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
                }
        }
        else if (abbrev)
-               show_with_type(type, find_unique_abbrev(sha1, abbrev));
+               show_with_type(type, find_unique_abbrev(oid->hash, abbrev));
        else
-               show_with_type(type, sha1_to_hex(sha1));
+               show_with_type(type, oid_to_hex(oid));
 }
 
 /* Output a flag, only if filter allows it. */
@@ -180,11 +180,11 @@ static int show_default(void)
        const char *s = def;
 
        if (s) {
-               unsigned char sha1[20];
+               struct object_id oid;
 
                def = NULL;
-               if (!get_sha1(s, sha1)) {
-                       show_rev(NORMAL, sha1, s);
+               if (!get_oid(s, &oid)) {
+                       show_rev(NORMAL, &oid, s);
                        return 1;
                }
        }
@@ -195,19 +195,19 @@ static int show_reference(const char *refname, const struct object_id *oid, int
 {
        if (ref_excluded(ref_excludes, refname))
                return 0;
-       show_rev(NORMAL, oid->hash, refname);
+       show_rev(NORMAL, oid, refname);
        return 0;
 }
 
 static int anti_reference(const char *refname, const struct object_id *oid, int flag, void *cb_data)
 {
-       show_rev(REVERSED, oid->hash, refname);
+       show_rev(REVERSED, oid, refname);
        return 0;
 }
 
 static int show_abbrev(const struct object_id *oid, void *cb_data)
 {
-       show_rev(NORMAL, oid->hash, NULL);
+       show_rev(NORMAL, oid, NULL);
        return 0;
 }
 
@@ -242,8 +242,8 @@ static int show_file(const char *arg, int output_prefix)
 static int try_difference(const char *arg)
 {
        char *dotdot;
-       unsigned char sha1[20];
-       unsigned char end[20];
+       struct object_id oid;
+       struct object_id end;
        const char *next;
        const char *this;
        int symmetric;
@@ -273,18 +273,18 @@ static int try_difference(const char *arg)
                return 0;
        }
 
-       if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) {
-               show_rev(NORMAL, end, next);
-               show_rev(symmetric ? NORMAL : REVERSED, sha1, this);
+       if (!get_sha1_committish(this, oid.hash) && !get_sha1_committish(next, end.hash)) {
+               show_rev(NORMAL, &end, next);
+               show_rev(symmetric ? NORMAL : REVERSED, &oid, this);
                if (symmetric) {
                        struct commit_list *exclude;
                        struct commit *a, *b;
-                       a = lookup_commit_reference(sha1);
-                       b = lookup_commit_reference(end);
+                       a = lookup_commit_reference(oid.hash);
+                       b = lookup_commit_reference(end.hash);
                        exclude = get_merge_bases(a, b);
                        while (exclude) {
                                struct commit *commit = pop_commit(&exclude);
-                               show_rev(REVERSED, commit->object.oid.hash, NULL);
+                               show_rev(REVERSED, &commit->object.oid, NULL);
                        }
                }
                *dotdot = '.';
@@ -297,7 +297,7 @@ static int try_difference(const char *arg)
 static int try_parent_shorthands(const char *arg)
 {
        char *dotdot;
-       unsigned char sha1[20];
+       struct object_id oid;
        struct commit *commit;
        struct commit_list *parents;
        int parent_number;
@@ -327,12 +327,12 @@ static int try_parent_shorthands(const char *arg)
                return 0;
 
        *dotdot = 0;
-       if (get_sha1_committish(arg, sha1)) {
+       if (get_sha1_committish(arg, oid.hash)) {
                *dotdot = '^';
                return 0;
        }
 
-       commit = lookup_commit_reference(sha1);
+       commit = lookup_commit_reference(oid.hash);
        if (exclude_parent &&
            exclude_parent > commit_list_count(commit->parents)) {
                *dotdot = '^';
@@ -340,7 +340,7 @@ static int try_parent_shorthands(const char *arg)
        }
 
        if (include_rev)
-               show_rev(NORMAL, sha1, arg);
+               show_rev(NORMAL, &oid, arg);
        for (parents = commit->parents, parent_number = 1;
             parents;
             parents = parents->next, parent_number++) {
@@ -352,7 +352,7 @@ static int try_parent_shorthands(const char *arg)
                if (symbolic)
                        name = xstrfmt("%s^%d", arg, parent_number);
                show_rev(include_parents ? NORMAL : REVERSED,
-                        parents->item->object.oid.hash, name);
+                        &parents->item->object.oid, name);
                free(name);
        }
 
@@ -571,7 +571,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        int did_repo_setup = 0;
        int has_dashdash = 0;
        int output_prefix = 0;
-       unsigned char sha1[20];
+       struct object_id oid;
        unsigned int flags = 0;
        const char *name = NULL;
        struct object_context unused;
@@ -910,11 +910,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                        name++;
                        type = REVERSED;
                }
-               if (!get_sha1_with_context(name, flags, sha1, &unused)) {
+               if (!get_sha1_with_context(name, flags, oid.hash, &unused)) {
                        if (verify)
                                revs_count++;
                        else
-                               show_rev(type, sha1, name);
+                               show_rev(type, &oid, name);
                        continue;
                }
                if (verify)
@@ -929,7 +929,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        strbuf_release(&buf);
        if (verify) {
                if (revs_count == 1) {
-                       show_rev(type, sha1, name);
+                       show_rev(type, &oid, name);
                        return 0;
                } else if (revs_count == 0 && show_default())
                        return 0;