[Update] bulk update

common/.config/claude/link.sh

@@ -25,8 +25,11 @@ repo=$(dirname "$(readlink -f "$SRC/link.sh")")
 
 # If link.sh itself has broken out of stow into a plain file, $repo resolves to $SRC and
 # the drift heal below would relink each drifted file onto ITSELF — destroying the only
-# copy of its content. Refuse to continue.
-if [ "$repo" = "$SRC" ]; then
+# copy of its content. Refuse to continue. Both sides are canonicalized before comparing:
+# $repo comes back from readlink -f, so a symlinked component anywhere in the path (say
+# /home -> /var/home) would otherwise make the two spellings differ and slip the guard.
+src_real=$(readlink -f "$SRC" || printf '%s' "$SRC")
+if [ "$repo" = "$src_real" ]; then
   echo "error: link.sh itself is a plain file (broken out of stow) — re-stow first:" >&2
   echo "       cd ~/.dots && ./install.sh" >&2
   exit 1
@@ -48,11 +51,13 @@ for item in $items; do
   if [ -f "$DST/$item" ] && [ ! -L "$DST/$item" ]; then
     same=0
     case "$item" in
-    *.json)
-      python3 -c 'import json,sys; sys.exit(0 if json.load(open(sys.argv[1]))==json.load(open(sys.argv[2])) else 1)' \
-        "$DST/$item" "$SRC/$item" 2>/dev/null && same=1 ;;
-    *)
-      cmp -s "$DST/$item" "$SRC/$item" && same=1 ;;
+      *.json)
+        python3 -c 'import json,sys; sys.exit(0 if json.load(open(sys.argv[1]))==json.load(open(sys.argv[2])) else 1)' \
+          "$DST/$item" "$SRC/$item" 2>/dev/null && same=1
+        ;;
+      *)
+        cmp -s "$DST/$item" "$SRC/$item" && same=1
+        ;;
     esac
     if [ "$same" != 1 ]; then
       echo "DRIFT  ~/.claude/$item is a real file that differs from the repo copy —" >&2
@@ -78,11 +83,13 @@ for item in $items; do
   same=0
   if [ -f "$repo/$item" ]; then
     case "$item" in
-    *.json)
-      python3 -c 'import json,sys; sys.exit(0 if json.load(open(sys.argv[1]))==json.load(open(sys.argv[2])) else 1)' \
-        "$SRC/$item" "$repo/$item" 2>/dev/null && same=1 ;;
-    *)
-      cmp -s "$SRC/$item" "$repo/$item" && same=1 ;;
+      *.json)
+        python3 -c 'import json,sys; sys.exit(0 if json.load(open(sys.argv[1]))==json.load(open(sys.argv[2])) else 1)' \
+          "$SRC/$item" "$repo/$item" 2>/dev/null && same=1
+        ;;
+      *)
+        cmp -s "$SRC/$item" "$repo/$item" && same=1
+        ;;
     esac
   fi
   if [ "$same" = 1 ]; then