handle errors on a few cases of non suitable root

* initial path not a file: display an error and exit
* initial path not a directory: open the parent instead
* directory removed between display and focus: display an error in
status

1 files changed, 6 insertions, 9 deletions

diff --git a/src/git_ignore.rs b/src/git_ignore.rs
index 4c975c0..edfb14e 100644
--- a/src/git_ignore.rs
+++ b/src/git_ignore.rs
@@ -122,16 +122,13 @@ impl GitIgnoreFilter {
                 if rule.directory && !directory {
                     continue;
                 }
-                if rule.filename {
-                    if rule.pattern.matches_with(filename, &rule.pattern_options) {
-                        //debug!("rule matches filename {:?} -> ok={}", path, rule.ok);
-                        return rule.ok;
-                    }
+                let ok = if rule.filename {
+                    rule.pattern.matches_with(filename, &rule.pattern_options)
                 } else {
-                    if rule.pattern.matches_path_with(path, &rule.pattern_options) {
-                        //debug!("rule matches path {:?} -> ok={}", path, rule.ok);
-                        return rule.ok;
-                    }
+                    rule.pattern.matches_path_with(path, &rule.pattern_options)
+                };
+                if ok {
+                    return rule.ok;
                 }
             }
         }