adding repl_links

shell/repl_links.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+# take a given directory and replace all symlinks with their real
+# counterparts; replace a symlink to a file with the real file and
+# a symlink to a directory with the real one.
+#
+# SPDX-License-Identifier: MIT
+
+ROOT=$1
+
+LINKS=$(find "${ROOT}" -type l -printf "%p\n")
+
+OLDIFS=$IFS
+IFS=$'\012'
+
+for link in ${LINKS}; do
+  if [ -d "${link}" ]; then
+    echo "dir: ${link}"
+    mv "${link}" "${link}.sym"
+    mkdir "${link}"
+    cp -LcdpR "${link}.sym"/* "${link}/"
+  elif [ -f "${link}" ]; then
+    echo "file: ${link}"
+    mv "${link}" "${link}.sym"
+    cp -Lcp "${link}.sym" "${link}"
+  else
+    echo "unknown: ${link}"
+  fi
+done
+
+IFS=${OLDIFS}