checkout: use argv_array API

We were using a similar ad-hoc rev_list_args structure, but
this saves some code.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 28cdc51b85e7d433dca085c0080f964d19a391b4..bb056e43bf96ffb2ad84b2a4d05c75e783345b60 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -19,6 +19,7 @@
 #include "ll-merge.h"
 #include "resolve-undo.h"
 #include "submodule.h"
+#include "argv-array.h"
 
 static const char * const checkout_usage[] = {
        "git checkout [options] <branch>",
@@ -588,24 +589,12 @@ static void update_refs_for_switch(struct checkout_opts *opts,
                report_tracking(new);
 }
 
-struct rev_list_args {
-       int argc;
-       int alloc;
-       const char **argv;
-};
-
-static void add_one_rev_list_arg(struct rev_list_args *args, const char *s)
-{
-       ALLOC_GROW(args->argv, args->argc + 1, args->alloc);
-       args->argv[args->argc++] = s;
-}
-
 static int add_one_ref_to_rev_list_arg(const char *refname,
                                       const unsigned char *sha1,
                                       int flags,
                                       void *cb_data)
 {
-       add_one_rev_list_arg(cb_data, refname);
+       argv_array_push(cb_data, refname);
        return 0;
 }
 
@@ -684,15 +673,14 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs)
  */
 static void orphaned_commit_warning(struct commit *commit)
 {
-       struct rev_list_args args = { 0, 0, NULL };
+       struct argv_array args = ARGV_ARRAY_INIT;
        struct rev_info revs;
 
-       add_one_rev_list_arg(&args, "(internal)");
-       add_one_rev_list_arg(&args, sha1_to_hex(commit->object.sha1));
-       add_one_rev_list_arg(&args, "--not");
+       argv_array_push(&args, "(internal)");
+       argv_array_push(&args, sha1_to_hex(commit->object.sha1));
+       argv_array_push(&args, "--not");
        for_each_ref(add_one_ref_to_rev_list_arg, &args);
-       add_one_rev_list_arg(&args, "--");
-       add_one_rev_list_arg(&args, NULL);
+       argv_array_push(&args, "--");
 
        init_revisions(&revs, NULL);
        if (setup_revisions(args.argc - 1, args.argv, &revs, NULL) != 1)
@@ -704,6 +692,7 @@ static void orphaned_commit_warning(struct commit *commit)
        else
                describe_detached_head(_("Previous HEAD position was"), commit);
 
+       argv_array_clear(&args);
        clear_commit_marks(commit, -1);
        for_each_ref(clear_commit_marks_from_one_ref, NULL);
 }