Remove old manpage live-snapshot.it.1.txt

[live-boot-grml.git] / bin / live-new-uuid

diff --git a/bin/live-new-uuid b/bin/live-new-uuid
index 4a6afa6..2e29f6a 100755 (executable)
--- a/bin/live-new-uuid
+++ b/bin/live-new-uuid
@@ -1,9 +1,9 @@
 #!/bin/sh
 # -*- coding: utf-8 -*-
 #
-# «casper-new-uuid» - Creates and injects new UUIDs for casper disks
+# «live-new-uuid» - Creates and injects new UUIDs for live disks
 #
-# Create new UUIDs for disks to prevent conflicts and booting the wrong casper
+# Create new UUIDs for disks to prevent conflicts and booting the wrong live
 # directory.  Particularly useful in creating recovery disks that need to be
 # able to also work with recovery partitioning schemes.
 #
@@ -31,14 +31,14 @@ set -e
 
 help() {
  echo
- echo "USAGE: $0 initrd.gz <path-to-new-initrd.gz> <path-to-new-casper-uuid> "
+ echo "USAGE: $0 initrd.{l,g}z <path-to-new-initrd> <path-to-new-live-uuid> "
  echo
- echo "initrd.gz is the absolute path to the original gzipped initramfs"
- echo "<path-to-new-initrd.gz> is the destination directory for the new gzipped initramfs"
- echo "<path-to-new-casper-uuid> is the destination directory for the new casper-uuid-TYPE "
+ echo "initrd.{l,g}z is the absolute path to the original gzipped or lzmaed initramfs"
+ echo "<path-to-new-initrd> is the destination directory for the new compressed initramfs"
+ echo "<path-to-new-live-uuid> is the destination directory for the new live-uuid-TYPE "
  echo
  echo "if either path is absent, they will end up in the current directory "
- echo "TYPE is determined by an already existing casper-uuid-* or by 'uname -s'"
+ echo "TYPE is determined by an already existing live-uuid-* or by 'uname -s'"
 }
 
 if [ "$#" = "0" ] || [ "x$1" = x-h ] || [ "x$1" = x--help ]; then
@@ -50,26 +50,37 @@ CWD=`pwd`
 TEMPDIR=`mktemp -d /tmp/uuid-XXXXXX`
 TYPE=`uname -r | cut -d '-' -f 3`
 
+if echo "$1" | grep ".lz$" >/dev/null; then
+       COMPRESSOR="lzma"
+       SUFFIX=".lz"
+elif echo "$1" | grep ".gz$" >/dev/null; then
+       COMPRESSOR="gzip"
+       SUFFIX=".gz"
+else
+       echo "Unsupported archive type."
+       exit 2
+fi
+
 if [ -z "$2" ] || [ ! -d "$2" ] || [ "$2" = "." ]; then
-       GZIPDIR="$CWD"
+       COMPRESS_DIR="$CWD"
 else
-       GZIPDIR="$2"
+       COMPRESS_DIR="$2"
 fi
 
 if [ -z "$3" ] || [ ! -d "$3" ] || [ "$3" = "." ]; then
-       CASPERDIR="$CWD"
+       LIVEDIR="$CWD"
 else
-       CASPERDIR="$3"
+       LIVEDIR="$3"
 fi
 
 cd "$TEMPDIR"
-zcat "$1" | cpio -id
+$COMPRESSOR -cd "$1" -S "$SUFFIX" | cpio -id
 uuidgen -r > conf/uuid.conf
-find . | cpio --quiet --dereference -o -H newc | gzip > "$GZIPDIR/initrd.gz"
-if [ "$(ls "$CASPERDIR/casper-uuid"-* >/dev/null 2>&1 | wc -l)" = 1 ]; then
-    cp conf/uuid.conf "$CASPERDIR/casper-uuid"-*
+find . | cpio --quiet --dereference -o -H newc | $COMPRESSOR -9c > "$COMPRESS_DIR/initrd$SUFFIX"
+if [ "$(ls "$LIVEDIR/live-uuid"-* >/dev/null 2>&1 | wc -l)" = 1 ]; then
+       cp conf/uuid.conf "$LIVEDIR/live-uuid"-*
 else
-    cp conf/uuid.conf "$CASPERDIR/casper-uuid-$TYPE"
+       cp conf/uuid.conf "$LIVEDIR/live-uuid-$TYPE"
 fi
 cd "$CWD"
 rm -rf "$TEMPDIR"