Re: [PATCH v3 2/4] branch: fix die_if_checked_out() when ignore_current_worktree

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On 06/02/2023 16:56, Ævar Arnfjörð Bjarmason wrote:

On Sun, Feb 05 2023, Rubén Justo wrote:

-	wt = find_shared_symref(worktrees, "HEAD", branch);
-	if (wt && (!ignore_current_worktree || !wt->is_current)) {
-		skip_prefix(branch, "refs/heads/", &branch);
-		die(_("'%s' is already checked out at '%s'"), branch, wt->path);
+	for (int i = 0; worktrees[i]; i++) {

I see that there are existing "int i" for counting worktrees in
worktree.c, FWIW for new code I wouldn't mind if it's "size_t i"
instead, to make it future proof (and to eventually get rid of cast
warnings as we move more things from "int" to "size_t").

This seems to be different from the usual worries about int/size_t comparisons/truncation. worktrees is NULL terminated so there is no signed/unsigned comparison here as we're not comparing it to anything. The only concern would be that there are more than INT_MAX which seems unlikely.

Best Wishes

Phillip

@@ -435,10 +435,9 @@ const struct worktree *find_shared_symref(struct worktree **worktrees,
  					  const char *target)
  {
- for (int i = 0; worktrees[i]; i++) {
+	for (int i = 0; worktrees[i]; i++)
  		if (is_shared_symref(worktrees[i], symref, target))
  			return worktrees[i];
-	}

You added this function in the last commit, let's just skip adding the
braces to begin with, rather than this style-fix after the fact.



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