Add a script to do the symlinking

links

@@ -0,0 +1 @@
+.zshenv

setup.sh

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+#!/bin/posh
+
+# Requires GNU Coreutils for stat(1) and perl for relative paths
+# Works with posh, should work with any POSIX-compliant shell
+
+
+SRC="$(pwd)"
+DST="$HOME"
+FFLAG=0
+VFLAG=0
+
+usage() {
+  echo >&2 "Usage: $0 [-vf]"
+  echo >&2 "\t-v  Be more verbose"
+  echo >&2 "\t-f  Force removal of existing files"
+  exit 1
+}
+
+linkfile() {
+  # Link "$1" from "$DST" to "$SRC"
+  # Abort if the file already exists as something other than the correct link
+  # unless $FFLAG is set, to force us to remove it.
+  if [ $# != 1 ]; then
+    echo >&2 "linkfile(file) called with wrong args"
+    exit 1
+  elif [ "$FFLAG" -eq 0 -a -e "$DST/$1" ]; then
+    if [ $(stat -Lc %i "$DST/$1") -ne $(stat -Lc %i "$SRC/$1") ]; then
+      echo >&2 "$DST/$1 exists and -f not given; skipping."
+      return
+    fi
+  fi
+
+  local path
+  src=$(perl -MFile::Spec -le 'print File::Spec->abs2rel(@ARGV)' "$SRC" "$DST")
+
+  ( cd "$DST" && ln -sf "$src/$1" )
+}
+
+
+while getopts vf flag; do
+  case "$flag" in
+    v)   VFLAG=$(($VFLAG+1)) ;;
+    f)   FFLAG=$(($FFLAG+1)) ;;
+    [?]) usage ;;
+  esac
+done
+
+shift $(($OPTIND-1))
+
+[ $# != 0 ] && usage
+
+cat links | sed -e '/\s*#/d' -e '/^\s*$/d' | while read file; do
+  linkfile "$file"
+done