X-Git-Url: https://git.draconx.ca/gitweb/fvwmconf.git/blobdiff_plain/2d3af30297a70d86fa706b9bfc8c920a0e473a72..HEAD:/scripts/thumbnail.zsh

diff --git a/scripts/thumbnail.zsh b/scripts/thumbnail.zsh
index a967803..a275749 100755
--- a/scripts/thumbnail.zsh
+++ b/scripts/thumbnail.zsh
@@ -1,6 +1,35 @@
-#!/bin/zsh
+#!/usr/bin/env zsh
+#
+# Copyright © 2008, 2017 Nick Bowler
+#
+# Simple thumbnail generator for use with FVWM.  Thumbnails can be generated at
+# any desired size, and are cached for future use.  Prints the cached filename
+# to standard output.
+#
+# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
+# This is free software: you are free to do what the fuck you want to.
+# There is NO WARRANTY, to the extent permitted by law.
+
+# resolve_file [file]
+#
+# If the argument is a symbolic link, print the target of that link.
+# Otherwise, prints the basename of file.
+resolve_file () {
+  test $# -eq 1 || return
+
+  # Ensure filename won't be confused for any kind of find argument...
+  case $1 in
+  /*) :;;
+  *) set x "./$1"; shift
+  esac
+
+  find "$1" -prune \( -type l -printf '%l' -o -printf '%f' \)
+}
+
+if [[ -z "$MUSIC" ]]; then
+	MUSIC=/home/music
+fi
 
-music=/stuff/music
 thumbs="$HOME/.fvwm/.thumbs"
 
 if ! [[ -d "$thumbs" ]]; then
@@ -40,15 +69,18 @@ if [[ -z "$1" ]]; then
 fi
 
 if [[ -n "$ismusic" ]]; then
-	imgpath="$music/$(dirname "${1#$music}")/cover.jpg"
+	imgpath="$MUSIC/$(dirname "${1#$MUSIC}")/cover.jpg"
 	[[ ! -f "$imgpath" ]] && imgpath="${imgpath%jpg}png"
 else
 	imgpath="$1"
 fi
 
 [[ ! -f "$imgpath" ]] && exit 0
-
-image="$(readlink -f -- "$imgpath")"
+image=`resolve_file "$imgpath"`
+case $image in
+/*) :;;
+*) image=`dirname $imgpath`/$image
+esac
 [[ ! -f "$image" ]] && exit 0
 
 thumb="$thumbs/$(echo -n $image | md5sum - | cut -d ' ' -f 1)_$size.png"