ignore: remove .git check in some cases

When we know we aren't going to process gitignores, we shouldn't waste
the syscall in every directory to check for a git repo.

1 files changed, 13 insertions, 2 deletions

diff --git a/ignore/src/dir.rs b/ignore/src/dir.rs
index be2b8351..479e0c24 100644
--- a/ignore/src/dir.rs
+++ b/ignore/src/dir.rs
@@ -197,7 +197,12 @@ impl Ignore {
             errs.maybe_push(err);
             igtmp.is_absolute_parent = true;
             igtmp.absolute_base = Some(absolute_base.clone());
-            igtmp.has_git = parent.join(".git").exists();
+            igtmp.has_git =
+                if self.0.opts.git_ignore {
+                    parent.join(".git").exists()
+                } else {
+                    false
+                };
             ig = Ignore(Arc::new(igtmp));
             compiled.insert(parent.as_os_str().to_os_string(), ig.clone());
         }
@@ -275,6 +280,12 @@ impl Ignore {
                 errs.maybe_push(err);
                 m
             };
+        let has_git =
+            if self.0.opts.git_ignore {
+                dir.join(".git").exists()
+            } else {
+                false
+            };
         let ig = IgnoreInner {
             compiled: self.0.compiled.clone(),
             dir: dir.to_path_buf(),
@@ -290,7 +301,7 @@ impl Ignore {
             git_global_matcher: self.0.git_global_matcher.clone(),
             git_ignore_matcher: gi_matcher,
             git_exclude_matcher: gi_exclude_matcher,
-            has_git: dir.join(".git").exists(),
+            has_git: has_git,
             opts: self.0.opts,
         };
         (ig, errs.into_error_option())