#! /usr/bin/env bash
pkgsdir="$1"
appfsdir="$2"
if [ -z "${pkgsdir}" -o -z "${appfsdir}" ]; then
echo 'Usage: appfs-mk <pkgsdir> <appfsdir>' >&2
exit 1
fi
appfsdir="$(cd "${appfsdir}" && pwd)"
if [ -z "${appfsdir}" ]; then
echo "Unable to find appfs directory." >&2
exit 1
fi
mkdir -p "${appfsdir}/sha1"
function sha1() {
local filename
filename="$1"
openssl sha1 "${filename}" | sed 's@.*= @@'
}
function emit_manifest() {
find . -print0 | while IFS='' read -r -d $'\0' filename; do
if [ "${filename}" = '.' ]; then
continue
fi
filename="$(echo "${filename}" | sed 's@^\./@@' | head -n 1)"
if [ ! -e "${filename}" ]; then
continue
fi
if [ -h "${filename}" ]; then
type='symlink'
elif [ -d "${filename}" ]; then
type='directory'
elif [ -f "${filename}" ]; then
type='file'
else
continue
fi
case "${type}" in
directory)
stat_format='%Y'
extra_data=''
;;
symlink)
stat_format='%Y'
extra_data="$(readlink "${filename}")"
;;
file)
if [ -x "${filename}" ]; then
extra_data='x'
else
extra_data=''
fi
stat_format='%Y,%s'
filename_hash="$(sha1 "${filename}")"
extra_data="${extra_data},${filename_hash}"
filename_intree="${appfsdir}/sha1/${filename_hash}"
if [ ! -e "${filename_intree}" ]; then
cat "${filename}" > "${filename_intree}.tmp"
mv "${filename_intree}.tmp" "${filename_intree}"
fi
;;
esac
stat_data="$(stat --format="${stat_format}" "${filename}")"
if [ -z "${extra_data}" ]; then
echo "${type},${stat_data},${extra_data},${filename}"
else
echo "${type},${stat_data},${extra_data},${filename}"
fi
done
}
cd "${pkgsdir}" || exit 1
for package in *; do
packagelistfile="${appfsdir}/sha1/${RANDOM}${RANDOM}${RANDOM}${RANDOM}${RANDOM}.tmp"
(
cd "${package}" || exit 1
for os_cpuArch in *; do
os="$(echo "${os_cpuArch}" | cut -f 1 -d '-')"
cpuArch="$(echo "${os_cpuArch}" | cut -f 2- -d '-')"
(
cd "${os_cpuArch}" || exit 1
for version in *; do
if [ -h "${version}" ]; then
continue
fi
manifestfile="${appfsdir}/sha1/${RANDOM}${RANDOM}${RANDOM}${RANDOM}${RANDOM}.tmp"
(
cd "${version}" || exit 1
emit_manifest
) > "${manifestfile}"
manifestfile_hash="$(sha1 "${manifestfile}")"
mv "${manifestfile}" "${appfsdir}/sha1/${manifestfile_hash}"
# XXX:TODO: Determine if this is the latest version
isLatest='0'
echo "${package},${version},${os},${cpuArch},${manifestfile_hash},${isLatest}"
done
)
done
) > "${packagelistfile}"
packagelistfile_hash="$(sha1 "${packagelistfile}")"
mv "${packagelistfile}" "${appfsdir}/sha1/${packagelistfile_hash}"
echo "${packagelistfile_hash},sha1" > "${appfsdir}/index"
done