checkout: pass the "num_matches" up to callers

Pass the previously added "num_matches" struct value up to the callers
of unique_tracking_name(). This will allow callers to optionally print
better error messages in a later change.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 2e1d2376d24043a75adb9bbc69724591bcc2d5c3..72457fb7d53bc869c92631d8ad5c31604d37a919 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -878,7 +878,8 @@ static int parse_branchname_arg(int argc, const char **argv,
                                int dwim_new_local_branch_ok,
                                struct branch_info *new_branch_info,
                                struct checkout_opts *opts,
-                               struct object_id *rev)
+                               struct object_id *rev,
+                               int *dwim_remotes_matched)
 {
        struct tree **source_tree = &opts->source_tree;
        const char **new_branch = &opts->new_branch;
@@ -972,7 +973,8 @@ static int parse_branchname_arg(int argc, const char **argv,
                        recover_with_dwim = 0;
 
                if (recover_with_dwim) {
-                       const char *remote = unique_tracking_name(arg, rev);
+                       const char *remote = unique_tracking_name(arg, rev,
+                                                                 dwim_remotes_matched);
                        if (remote) {
                                *new_branch = arg;
                                arg = remote;
@@ -1109,6 +1111,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
        struct branch_info new_branch_info;
        char *conflict_style = NULL;
        int dwim_new_local_branch = 1;
+       int dwim_remotes_matched = 0;
        struct option options[] = {
                OPT__QUIET(&opts.quiet, N_("suppress progress reporting")),
                OPT_STRING('b', NULL, &opts.new_branch, N_("branch"),
@@ -1219,7 +1222,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                        opts.track == BRANCH_TRACK_UNSPECIFIED &&
                        !opts.new_branch;
                int n = parse_branchname_arg(argc, argv, dwim_ok,
-                                            &new_branch_info, &opts, &rev);
+                                            &new_branch_info, &opts, &rev,
+                                            &dwim_remotes_matched);
                argv += n;
                argc -= n;
        }

diff --git a/builtin/worktree.c b/builtin/worktree.c
index 5c7d2bb1807f942139b3ec41b426320e4b0cfc2a..a763dbdccb490ab6707c247d618203ffd37d4052 100644 (file)
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -412,7 +412,7 @@ static const char *dwim_branch(const char *path, const char **new_branch)
        if (guess_remote) {
                struct object_id oid;
                const char *remote =
-                       unique_tracking_name(*new_branch, &oid);
+                       unique_tracking_name(*new_branch, &oid, NULL);
                return remote;
        }
        return NULL;
@@ -484,7 +484,7 @@ static int add(int ac, const char **av, const char *prefix)
 
                commit = lookup_commit_reference_by_name(branch);
                if (!commit) {
-                       remote = unique_tracking_name(branch, &oid);
+                       remote = unique_tracking_name(branch, &oid, NULL);
                        if (remote) {
                                new_branch = branch;
                                branch = remote;

diff --git a/checkout.c b/checkout.c
index 7662a39a6203fec511b0034fbe88a2d374f7bbf7..ee3a7e9c052ab5936d99e739fd18b0ede4799454 100644 (file)
--- a/checkout.c
+++ b/checkout.c
@@ -32,12 +32,15 @@ static int check_tracking_name(struct remote *remote, void *cb_data)
        return 0;
 }
 
-const char *unique_tracking_name(const char *name, struct object_id *oid)
+const char *unique_tracking_name(const char *name, struct object_id *oid,
+                                int *dwim_remotes_matched)
 {
        struct tracking_name_data cb_data = TRACKING_NAME_DATA_INIT;
        cb_data.src_ref = xstrfmt("refs/heads/%s", name);
        cb_data.dst_oid = oid;
        for_each_remote(check_tracking_name, &cb_data);
+       if (dwim_remotes_matched)
+               *dwim_remotes_matched = cb_data.num_matches;
        free(cb_data.src_ref);
        if (cb_data.num_matches == 1)
                return cb_data.dst_ref;

diff --git a/checkout.h b/checkout.h
index 4cd4cd1c2325eea1b922590bf675e40c66c7c5a1..6b2073310c4a6a735a557ab0883c7bb045c2c458 100644 (file)
--- a/checkout.h
+++ b/checkout.h
@@ -9,6 +9,7 @@
  * exists, NULL otherwise.
  */
 extern const char *unique_tracking_name(const char *name,
-                                       struct object_id *oid);
+                                       struct object_id *oid,
+                                       int *dwim_remotes_matched);
 
 #endif /* CHECKOUT_H */