tree-diff: show_tree() is not needed

diff --git a/builtin/merge.c b/builtin/merge.c
index 41fb66dec2c2fd9645a72c28c362067fb3bcc16c..e576a7fdc619303a65e859920a1ab6936db2626c 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -367,7 +367,7 @@ static void squash_message(struct commit *commit, struct commit_list *remotehead
                        sha1_to_hex(commit->object.sha1));
                pretty_print_commit(&ctx, commit, &out);
        }
-       if (write(fd, out.buf, out.len) < 0)
+       if (write_in_full(fd, out.buf, out.len) != out.len)
                die_errno(_("Writing SQUASH_MSG"));
        if (close(fd))
                die_errno(_("Finishing SQUASH_MSG"));
@@ -446,17 +446,17 @@ static void merge_name(const char *remote, struct strbuf *msg)
                die(_("'%s' does not point to a commit"), remote);
 
        if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) {
-               if (!prefixcmp(found_ref, "refs/heads/")) {
+               if (starts_with(found_ref, "refs/heads/")) {
                        strbuf_addf(msg, "%s\t\tbranch '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
                }
-               if (!prefixcmp(found_ref, "refs/tags/")) {
+               if (starts_with(found_ref, "refs/tags/")) {
                        strbuf_addf(msg, "%s\t\ttag '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
                }
-               if (!prefixcmp(found_ref, "refs/remotes/")) {
+               if (starts_with(found_ref, "refs/remotes/")) {
                        strbuf_addf(msg, "%s\t\tremote-tracking branch '%s' of .\n",
                                    sha1_to_hex(branch_head), remote);
                        goto cleanup;
@@ -570,8 +570,8 @@ static int git_merge_config(const char *k, const char *v, void *cb)
 {
        int status;
 
-       if (branch && !prefixcmp(k, "branch.") &&
-               !prefixcmp(k + 7, branch) &&
+       if (branch && starts_with(k, "branch.") &&
+               starts_with(k + 7, branch) &&
                !strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
                free(branch_mergeoptions);
                branch_mergeoptions = xstrdup(v);
@@ -1106,7 +1106,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
         * current branch.
         */
        branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag);
-       if (branch && !prefixcmp(branch, "refs/heads/"))
+       if (branch && starts_with(branch, "refs/heads/"))
                branch += 11;
        if (!branch || is_null_sha1(head_sha1))
                head_commit = NULL;