From 9bfcfd3458a7a470a0c83101f3d57d9b24ef6d4d Mon Sep 17 00:00:00 2001
From: Michael Prokop <mika@grml.org>
Date: Wed, 2 Sep 2009 23:19:36 +0200
Subject: [PATCH] New cmdline option: "-n" skips generation of the ISO file

---
 debian/changelog   | 3 ++-
 docs/grml-live.txt | 5 +++++
 grml-live          | 8 +++++++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/debian/changelog b/debian/changelog
index 6bdd4bf..83a865c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -23,8 +23,9 @@ grml-live (0.9.22) UNRELEASED; urgency=low
     to /etc/apt/sources.list.d/grml.unused and restore in 33-aptsetup
     again then. This should should prevent us from duplicated sources
     list entries.
+  * New cmdline option: "-n" skips generation of the ISO file.
 
- -- Michael Prokop <mika@grml.org>  Wed, 02 Sep 2009 11:06:56 +0200
+ -- Michael Prokop <mika@grml.org>  Wed, 02 Sep 2009 23:18:42 +0200
 
 grml-live (0.9.21) unstable; urgency=low
 
diff --git a/docs/grml-live.txt b/docs/grml-live.txt
index 2a30bf4..c5b52c0 100644
--- a/docs/grml-live.txt
+++ b/docs/grml-live.txt
@@ -127,6 +127,11 @@ Specify name of source directory which provides files that should become part of
 the chroot/ISO. Not enabled by default. Note: the files are installed under '/'
 in the chroot so you have to create the rootfs structure on your own.
 
+  -n::
+
+Skip creation of the ISO file. This option is useful if you want to build/update
+the chroot and/or recreate the squashfs file without building an ISO file.
+
   -o **OUTPUT_DIRECTORY**::
 
 Main output directory of the build process of FAI.  Some directories are created
diff --git a/grml-live b/grml-live
index 1e9b61c..1fb74d0 100755
--- a/grml-live
+++ b/grml-live
@@ -49,6 +49,7 @@ Usage: $PN [options, see as follows]
    -i <iso_name>           name of ISO
    -I <src_directory>      directory which provides files that should become
                            part of the chroot/ISO
+   -n                      skip generation of ISO
    -o <output_directory>   main output directory of the build process
    -q                      skip mksquashfs
    -r <release_name<       release name
@@ -210,7 +211,7 @@ fi
 # }}}
 
 # command line parsing {{{
-while getopts "a:C:c:g:i:I:o:r:s:t:v:bBFuqVz" opt; do
+while getopts "a:C:c:g:i:I:o:r:s:t:v:bBFnquVz" opt; do
   case "$opt" in
     a) ARCH="$OPTARG" ;;
     b) BUILD_ONLY=1 ;;
@@ -220,6 +221,7 @@ while getopts "a:C:c:g:i:I:o:r:s:t:v:bBFuqVz" opt; do
     g) GRML_NAME="$OPTARG" ;;
     i) ISO_NAME="$OPTARG" ;;
     I) CHROOT_INSTALL="$OPTARG" ;;
+    n) SKIP_MKISOFS=1 ;;
     o) OUTPUT="$OPTARG" ;;
     q) SKIP_MKSQUASHFS=1 ;;
     r) RELEASENAME="$OPTARG" ;;
@@ -327,6 +329,7 @@ if [ -z "$FORCE" ] ; then
    [ -n "$VERBOSE" ]            && echo "  Using VERBOSE mode."
    [ -n "$UPDATE" ]             && echo "  Executing UPDATE instead of fresh installation."
    [ -n "$SKIP_MKSQUASHFS" ]    && echo "  Skipping creation of SQUASHFS file."
+   [ -n "$SKIP_MKISOFS" ]       && echo "  Skipping creation of ISO file."
    [ -n "$BUILD_ONLY" ]         && echo "  Executing BUILD_ONLY instead of fresh installation or UPDATE."
    [ -n "$BUILD_DIRTY" ]        && echo "  Executing BUILD_DIRTY to leave chroot untouched."
    echo
@@ -905,6 +908,9 @@ fi
 if [ -f "${ISO_OUTPUT}/${ISO_NAME}" -a -z "$UPDATE" -a -z "$BUILD_ONLY" -a -z "$BUILD_DIRTY" -a "$FORCE_ISO_REBUILD" = "false" ]  ; then
    log "$ISO_OUTPUT/${ISO_NAME} exists already, skipping stage 'iso build'"
    ewarn "$ISO_OUTPUT/${ISO_NAME} exists already, skipping stage 'iso build'" ; eend 0
+elif [ -n "$SKIP_MKISOFS" ] ; then
+   log "Skipping stage 'iso build' as requested via option -n"
+   ewarn "Skipping stage 'iso build' as requested via option -n" ; eend 0
 else
    mkdir -p "$ISO_OUTPUT" || bailout 6 "Problem with creating $ISO_OUTPUT for stage 'iso build'"
 
-- 
2.1.4