feat: skip editor/temp junk in --suggest output

Vim undo/swap files, backups, *.tmp and .DS_Store matched the home-dir
scan and cluttered suggestions. Filter them by suffix in both scan loops.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/dot-backup.sh b/dot-backup.sh
index e95c67f..892529c 100755
--- a/dot-backup.sh
+++ b/dot-backup.sh
@@ -251,6 +251,15 @@ _suggest_ignored() {
     return 1
 }
 
+# True if basename $1 looks like editor/temp junk (vim undo/swap, backups, etc.)
+_suggest_junk() {
+    local b="$1"
+    case "$b" in
+        *.un~|*~|*.swp|*.swo|*.tmp|.DS_Store) return 0 ;;
+        *) return 1 ;;
+    esac
+}
+
 do_suggest() {
     local epoch_file="${DEFAULT_OUTPUT_DIR}/lastupdate.epoch"
     local last_epoch=0
@@ -272,6 +281,7 @@ do_suggest() {
         [[ -e "$path" ]] || continue
         base="$(basename "$path")"
         emit=".config/${base}"
+        _suggest_junk "$base" && continue
         _suggest_ignored "$base" && continue
         _suggest_covered "$emit" && continue
         mtime="$(stat -c %Y "$path" 2>/dev/null || echo 0)"
@@ -284,6 +294,7 @@ do_suggest() {
         [[ "$base" == "." || "$base" == ".." ]] && continue
         [[ -d "$path" || -f "$path" ]] || continue
         emit="${base}"
+        _suggest_junk "$base" && continue
         _suggest_ignored "$base" && continue
         _suggest_covered "$emit" && continue
         mtime="$(stat -c %Y "$path" 2>/dev/null || echo 0)"