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# Copyright (C) 2009 One Laptop Per Child
# Licensed under the terms of the GNU GPL v2 or later; see COPYING for details.
set -e
libdir=$OOB__libdir
bindir=$OOB__bindir
builddir=$OOB__builddir
cachedir=$OOB__cachedir
cacheonly=$OOB__cacheonly
intermediatesdir=$OOB__intermediatesdir
outputdir=$OOB__outputdir
statedir=$OOB__statedir
fsmount=$OOB__fsmount
read_config() {
local vname="CFG_$1__$2"
echo ${!vname}
}
find_option_values() {
local out=$1
local module=$2
local option=$3
local prefix=CFG_${module}__${option}
while IFS= read -r -d '' line; do
local name=${line%%=*}
local value=${line#*=}
[[ $name == $prefix || $name == ${prefix}_* ]] || continue
eval "$out+=('$value')"
done < <(env --null)
}
read_buildnr() {
local buildnr_path=$intermediatesdir/buildnr
if [[ -e $buildnr_path ]]; then
echo "$(<$buildnr_path)"
else
echo "0"
fi
}
read_laptop_model_number()
{
local path=$intermediatesdir/laptop_model_number
if [[ -e $path ]]; then
echo "$(<$path)"
else
echo "0"
fi
}
image_name() {
local major_ver=$(read_config global olpc_version_major)
local minor_ver=$(read_config global olpc_version_minor)
local cust_tag=$(read_config global customization_tag)
local buildnr=$(read_buildnr)
local modelnr=$(read_laptop_model_number)
buildnr=$(printf %03d "$buildnr")
echo "${major_ver: -1}${minor_ver}${buildnr}${cust_tag}${modelnr}"
}
# hard link a file, but fall-back on copy if a device boundary is being crossed
ln_or_cp() {
local src=$1
local dest=$2
local src_dev=$(stat -c "%D" "$src")
local dest_dev=$(stat -c "%D" "$dest")
if [ "$src_dev" = "$dest_dev" ]; then
cp -l "$src" "$dest"
else
cp "$src" "$dest"
fi
}
install_sugar_bundle() {
mkdir -p "$intermediatesdir/shared/sugar-bundles"
ln_or_cp "$1" "$intermediatesdir/shared/sugar-bundles"
}
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