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# This file provides some common code that is intented to be called
# by the various boot-<arch> scripts.
# Make sure that sbin directories are on the PATH too - filesystem
# creation tools are often hidden there
PATH=/sbin:/usr/sbin:$PATH
export PATH
# Expand %ARCH% variable in envvars for location of D-I images
DI_WWW_HOME="$(echo "$DI_WWW_HOME" | sed -e "s|%ARCH%|$ARCH|g")"
DI_DIR="$(echo "$DI_DIR" | sed -e "s|%ARCH%|$ARCH|g")"
# Make sure that DI_DIST is set to something sane
if [ ! "$DI_DIST" ]; then
DI_DIST="$DI_CODENAME"
fi
# Find out what the default desktop is in tasksel if we've not set it
# (i.e. using "all" for netinst, DVD etc.) - print the name of the
# first desktop task recommended by task-desktop
UNSPEC_DESKTOP_DEFAULT="$($BASEDIR/tools/apt-selection cache depends task-desktop | \
awk '
/Recommends:.*desktop/ {
gsub("task-","")
gsub("-desktop","")
print $2
exit
}')"
# Only i386 and amd64 use DESKTOP to set the default desktop;
# make sure other arches get a working config
if [ "$ARCH" != i386 ] && [ "$ARCH" != amd64 ]; then
if [ "$DESKTOP" = all ] || [ "$DESKTOP" = "$UNSPEC_DESKTOP_DEFAULT" ] ; then
DESKTOP=
KERNEL_PARAMS="$(echo "$KERNEL_PARAMS" | \
sed -r "s/desktop=[^ ]* ?//")"
elif [ "$DESKTOP" = light ] ; then
DESKTOP=xfce
KERNEL_PARAMS="$(echo "$KERNEL_PARAMS" | \
sed -r "s/(desktop=)light/\1xfce/")"
fi
fi
# Add an option to the mkisofs options for this CD _only_ if it's not
# already set. $1 is the opts file location, "$2" is the new
# option. Call this with _logical groupings_ of options
add_mkisofs_opt() {
OPTS_FILE=$1
NEW_OPT="$2"
if ! ( grep -q -- "$NEW_OPT" $OPTS_FILE 2>/dev/null) ; then
echo -n "$NEW_OPT " >> $OPTS_FILE
fi
}
variant_enabled() {
VARIANT=$1
echo "$VARIANTS" | grep -qw "$VARIANT"
return $?
}
# Wrapper around which_deb which looks in all relevant distributions
find_pkg_file() {
local pkgfile
for dist in $DI_CODENAME $CODENAME ${UNRELEASED/1/unreleased}; do
pkgfile=$($BASEDIR/tools/which_deb $MIRROR $dist "$@")
[ -n "$pkgfile" ] && break
done
if [ -z "$pkgfile" ]; then
echo "WARNING: unable to find the $@ package in $DI_CODENAME or $CODENAME distribution of the mirror" >&2
fi
echo $pkgfile
}
# Work out the right boot load size for a specified file
calc_boot_size() {
FILE=$1
size=$[($(stat -c%s "$FILE")+2047)/2048]
echo $size
}
# If we're looking for an image location to download, see if it's in a
# local cache first.
try_di_image_cache() {
DI_TMP_DIR=${DI_WWW_HOME#*https://}
if [ -n "$DI_DIR" ] && [ -e "${DI_DIR}/${DI_TMP_DIR}" ] ; then
DI_DIR="$DI_DIR/${DI_TMP_DIR}"
DI_WWW_HOME=""
echo "Using images from local cache: $DI_DIR"
else
# If not, we'll end up downloading. Complain if the download
# link looks insecure (i.e. not https). May cause builds to
# fail here in future...
case "$DI_WWW_HOME"x in
"http://"*x|"ftp://"*x)
echo "WARNING WARNING WARNING WARNING WARNING WARNING"
echo "$0: insecure download for d-i build: $DI_WWW_HOME"
echo "WARNING WARNING WARNING WARNING WARNING WARNING"
;;
esac
fi
}
# This arch is currently not bootable directly from CD, and there's
# not a lot we can do about that. But add the needed files in the
# right place so that users can find them, at least:
#
# kernel(s)
# initramfs
# DTBs
# etc...
#
# The best wasy to find all the files is to parse d-i's MANIFEST file
# and work from there.
copy_arch_images() {
mkdir -p $CDDIR/$INSTALLDIR
cd $CDDIR/$INSTALLDIR
if [ ! "$DI_WWW_HOME" ];then
if [ ! "$DI_DIR" ];then
DI_DIR="$MIRROR/dists/$DI_DIST/main/installer-$ARCH/current/images"
fi
cp "$DI_DIR/MANIFEST" MANIFEST
else
$WGET "$DI_WWW_HOME/MANIFEST" -O MANIFEST
fi
for image in $(awk '{print $1}' MANIFEST); do
if [ ! -e "$image" ]; then
dir=$(dirname $image)
mkdir -p $dir
if [ -n "$LOCAL" -a -f "${LOCALDEBS:-$MIRROR}/dists/$DI_DIST/local/installer-$ARCH/current/images/$image" ]; then
cp "${LOCALDEBS:-$MIRROR}/dists/$DI_DIST/local/installer-$ARCH/current/images/$image" "$image"
elif [ ! "$DI_WWW_HOME" ];then
if [ ! "$DI_DIR" ];then
DI_DIR="$MIRROR/dists/$DI_DIST/main/installer-$ARCH/current/images"
fi
cp -a "$DI_DIR/$image" "$image"
else
$WGET --no-parent -r -nH --cut-dirs=3 "$DI_WWW_HOME/$image"
fi
fi
done
# Clean up in case we had to use $WGET :-(
find . -name 'index.html*' -delete
}
# Grab the xorriso version and turn it into a number we can use
xorriso_version() {
$MKISOFS --version 2>&1 | awk '
/^xorriso version/ {
split($4, ver, ".")
print ver[1]*10000+ver[2]*100+ver[3]
}'
}
# Work out how many blocks we need for a FAT filesystem to hold all
# the EFI boot files
calculate_efi_image_size() {
CDDIR=$1
sector_bytes=512 # -S
cluster_sectors=4 # -s
cluster_bytes=$((sector_bytes * cluster_sectors))
clusters=4 # 1 cluster for each sub-directory
for file in $CDDIR/EFI/*/*; do
[ -f "$file" ] || continue
clusters=$(($clusters + (($(stat -c %s "$file") + $cluster_bytes - 1) / $cluster_bytes)))
done
reserved_sectors=1 # boot-sector -R
reserved_bytes=$(($reserved_sectors * $sector_bytes))
fat_copies=2 # -f
if [ "$clusters" -le $(((1 << 12) - 2)) ]; then
fat_entry_bytes=3/2 # -F
elif [ "$clusters" -le $(((1 << 16) - 2)) ]; then
fat_entry_bytes=2 # -F
else
fat_entry_bytes=4 # -F
fi
fat_bytes=$((($clusters * $fat_entry_bytes + $sector_bytes - 1) / $sector_bytes * $sector_bytes))
root_entries=512 # -r
root_entry_bytes=32
root_bytes=$(($root_entries * root_entry_bytes))
size=$(($reserved_bytes + $fat_copies * $fat_bytes + $root_bytes + $clusters * $cluster_bytes))
track_sectors=32
track_bytes=$((sector_bytes * $track_sectors))
tracks=$((($size + $track_bytes - 1) / $track_bytes))
block_bytes=1024
blocks=$(($tracks * $track_bytes / $block_bytes))
echo $blocks
}
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