128 lines
3.8 KiB
Bash
128 lines
3.8 KiB
Bash
# This file provides some common code that is intented to be called
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# by the various boot-<arch> scripts.
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# Make sure that sbin directories are on the PATH too - filesystem
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# creation tools are often hidden there
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PATH=/sbin:/usr/sbin:$PATH
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export PATH
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# Expand %ARCH% variable in envvars for location of D-I images
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DI_WWW_HOME="$(echo "$DI_WWW_HOME" | sed -e "s|%ARCH%|$ARCH|g")"
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DI_DIR="$(echo "$DI_DIR" | sed -e "s|%ARCH%|$ARCH|g")"
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# Make sure that DI_DIST is set to something sane
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if [ ! "$DI_DIST" ]; then
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DI_DIST="$DI_CODENAME"
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fi
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# Find out what the default desktop is in tasksel if we've not set it
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# (i.e. using "all" for netinst, DVD etc.) - print the name of the
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# first desktop task recommended by task-desktop
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UNSPEC_DESKTOP_DEFAULT="$($BASEDIR/tools/apt-selection cache depends task-desktop | \
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awk '
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/Recommends:.*desktop/ {
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gsub("task-","")
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gsub("-desktop","")
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print $2
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exit
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}')"
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# Only i386 and amd64 support desktop selection with the 'light' and 'all'
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# desktops; make sure other arches get a working config
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if [ "$ARCH" != i386 ] && [ "$ARCH" != amd64 ]; then
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if [ "$DESKTOP" = all ] || [ "$DESKTOP" = "$UNSPEC_DESKTOP_DEFAULT" ] ; then
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DESKTOP=
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KERNEL_PARAMS="$(echo "$KERNEL_PARAMS" | \
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sed -r "s/desktop=[^ ]* ?//")"
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elif [ "$DESKTOP" = light ] ; then
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DESKTOP=xfce
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KERNEL_PARAMS="$(echo "$KERNEL_PARAMS" | \
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sed -r "s/(desktop=)light/\1xfce/")"
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fi
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fi
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# install_languages decompacts the language packs, you should give the path
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# to the CD temporary tree.
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# This function should be called for all bootable images.
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install_languages() {
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# Param $1 is the CD directory
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if [ -f "$MIRROR/dists/$DI_CODENAME/main/disks-$ARCH/current/xlp.tgz" ]
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then
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mkdir $1/.xlp
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(cd $1/.xlp; \
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tar zxf $MIRROR/dists/$DI_CODENAME/main/disks-$ARCH/current/xlp.tgz )
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fi
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}
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# Add an option to the mkisofs options for this CD _only_ if it's not
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# already set. $1 is the opts file location, "$2" is the new
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# option. Call this with _logical groupings_ of options
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add_mkisofs_opt() {
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OPTS_FILE=$1
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NEW_OPT="$2"
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if ! ( grep -q -- "$NEW_OPT" $OPTS_FILE 2>/dev/null) ; then
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echo -n "$NEW_OPT " >> $OPTS_FILE
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fi
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}
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variant_enabled() {
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VARIANT=$1
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echo "$VARIANTS" | grep -qw "$VARIANT"
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return $?
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}
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# Wrapper around which_deb which looks in all relevant distributions
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find_pkg_file() {
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local pkgfile
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for dist in $DI_CODENAME $CODENAME; do
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pkgfile=$($BASEDIR/tools/which_deb $MIRROR $dist "$@")
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[ -n "$pkgfile" ] && break
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done
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if [ -z "$pkgfile" ]; then
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echo "WARNING: unable to find the $@ package in $DI_CODENAME or $CODENAME distribution of the mirror" >&2
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fi
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echo $pkgfile
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}
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# Work out the right boot load size for a specified file
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calc_boot_size() {
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FILE=$1
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size=$[($(stat -c%s "$FILE")+2047)/2048]
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echo $size
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}
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# If we're looking for an image location to download, see if it's in a
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# local cache first.
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try_di_image_cache() {
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DI_TMP_DIR=${DI_WWW_HOME#*http://}
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if [ -n "$DI_DIR" ] && [ -e "${DI_DIR}/${DI_TMP_DIR}" ] ; then
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DI_DIR="$DI_DIR/${DI_TMP_DIR}"
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DI_WWW_HOME=""
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echo "Using images from local cache: $DI_DIR"
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else
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# If not, we'll end up downloading. Complain if the download
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# link looks insecure (i.e. not https). May cause builds to
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# fail here in future...
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case "$DI_WWW_HOME"x in
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"http://"*x|"ftp://"*x)
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echo "WARNING WARNING WARNING WARNING WARNING WARNING"
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echo "$0: insecure download for d-i build: $DI_WWW_HOME"
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echo "WARNING WARNING WARNING WARNING WARNING WARNING"
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;;
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esac
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fi
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}
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# Grab the xorriso version and turn it into a number we can use
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xorriso_version() {
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$MKISOFS --version 2>&1 | awk '
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/^xorriso version/ {
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split($4, ver, ".")
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print ver[1]*10000+ver[2]*100+ver[3]
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}'
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}
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