Cleanup and update remove-unused-soruces script.

remove-unused-sources

@@ -1,10 +1,26 @@
 #!/bin/sh
 
+# Copyright (C) 2008 Jonathan Moore Liles                                     #
+#                                                                             #
+# This program is free software; you can redistribute it and/or modify it     #
+# under the terms of the GNU General Public License as published by the       #
+# Free Software Foundation; either version 2 of the License, or (at your      #
+# option) any later version.                                                  #
+#                                                                             #
+# This program is distributed in the hope that it will be useful, but WITHOUT #
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for   #
+# more details.                                                               #
+#                                                                             #
+# You should have received a copy of the GNU General Public License along     #
+# with This program; see the file COPYING.  If not,write to the Free Software #
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  #
+
 ## remove-unused-sources
 #
 # April 2008, Jonathan Moore Liles
 #
-# Simple script to scan a compacted Non-DAW session and remove all
+# Simple script to scan a compacted Non-DAW project and remove all
 # unused sources from disk.
 #
 # USAGE:
@@ -17,7 +33,8 @@
 #     delete all unused sources! You have been warned.
 #
 
-SESSION="$1"
+DRY_RUN=no
+ONLY_COMPACTED=no
 
 fatal ()
 {
@@ -27,9 +44,14 @@ fatal ()
     exit 1
 }
 
+cleanup ()
+{
+    rm -f "${TEMP}/all-sources" "${TEMP}/used-sources"
+}
+
 set_diff ()
 {
-	diff --new-line-format '' --old-line-format '%L' --unchanged-line-format '' "$1" "$2"
+    diff --new-line-format '' --old-line-format '%L' --unchanged-line-format '' "$1" "$2"
 }
 
 remove_sources ()
@@ -37,26 +59,40 @@ remove_sources ()
     local FILE
     while read FILE
     do
-        echo "Removing source \"${FILE}\"..."
-
-        rm -f ./"${FILE}" ./"${FILE}-"*.peak
+        if [ $DRY_RUN = yes ]
+        then
+            echo "Would remove: ${FILE}"
+        else
+            echo "Removing unused source \"${FILE}\"..."
+            rm -f ./"${FILE}" ./"${FILE}-"*.peak
+        fi
     done
 }
 
-cleanup ()
-{
-    rm -f "${TEMP}/all-sources" "${TEMP}/used-sources"
-}
+[ $# -gt 0 ] || fatal "Usage: $0 [--dry-run] path/to/project"
 
-cd "$SESSION" || fatal "No such session"
+if [ "$1" = --dry-run ]
+then
+    DRY_RUN=yes
+    shift 1
+fi
 
-[ -f history ] || fatal "Not a Non-DAW session?"
+PROJECT="$1"
 
-grep -qv 'create' history && fatal "Not a compacted session"
+cd "$PROJECT" || fatal "No such project"
 
-echo "Scanning \"${SESSION}\"..."
+[ -f history ] && [ -f info ] || fatal "Not a Non-DAW project?"
 
-sed -n 's/^Region.* :source "\([^"]\+\)".*$/\1/p' history | sort | uniq > "${TEMP}/used-sources"
+[ -f .lock ] && fatal "Project appears to be in use"
+
+if [ $ONLY_COMPACTED = yes ]
+then
+    grep -v '\(^\{\|\}$\)\|create' history && fatal "Not a compacted project"
+fi
+
+echo "Scanning \"${PROJECT}\"..."
+
+sed -n 's/^\s\+Audio_Region.* :source "\([^"]\+\)".*$/\1/p' history | sort | uniq > "${TEMP}/used-sources"
 
 cd sources || fatal "Can't change to source directory"