A Find or Grep that finds nothing empties its directory's +Search

It failed with no match but left the last search's rows in the +Search, where they read as this one's.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/Output.zig b/src/Output.zig
index 99246b4a..eb9e8db4 100644
--- a/src/Output.zig
+++ b/src/Output.zig
@@ -418,6 +418,16 @@ pub fn open(p: *Pardes, id: usize, dir: []const u8, from: Origin, arg: []const u
 /// Find and Grep share one +Search a directory, each run replacing what
 /// the last showed, as acme reuses a directory's +Errors; a pane's own
 /// search (LookWord list) keeps a pane a pattern.
+/// Whether `dir` has its Find/Grep +Search open.
+pub fn hasFileSearch(p: *Pardes, dir: []const u8) bool {
+    for (p.panes) |slot| {
+        const f = (slot orelse continue).file orelse continue;
+        const o = f.output orelse continue;
+        if (fileSearch(o.from) and std.mem.eql(u8, std.fs.path.dirname(f.path) orelse "", dir)) return true;
+    }
+    return false;
+}
+
 fn fileSearch(from: Origin) bool {
     return switch (from) {
         .cmd => |c| c == .Find or c == .Grep,