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|
#!/bin/sh
# apkg-bin - a simple binary package manager helper script
REMOTE="{REMOTE:-https://emmett1.my/files/alice/packages}"
REPODB="REPO"
PKGDIR="/var/cache/apm"
DBFILE="$PKGDIR/$REPODB"
usage() {
echo "Usage: $0 [options]"
echo " g <path> Generate database from package dir"
echo " S Sync database from remote server"
echo " l List packages"
echo " s <pattern> Search packages"
echo " a <pkg> Show package info"
echo " d <pkg...> Download package(s)"
echo " i <pkg...> Install package(s)"
echo " u <pkg...> Upgrade/reinstall package(s)"
echo " c Clean mismatched/unknown packages"
exit 0
}
msg() {
m=${pkg%#*}
echo "[${m:-...}] $*"
}
pkg_existence() {
need_db
[ "$(cut -d '#' -f1 "$DBFILE" | grep -x "$1" | uniq)" ] || return 1
return 0
}
get_pkg() {
for p in $@; do
pkg_existence $p && pkg="$pkg $p" || msg "No package found matching: $p"
done
}
get_entry() {
entry=$(grep ^$1# "$DBFILE" | sort -V -t'#' -k2 | tail -n1)
}
need_db() {
[ -f "$DBFILE" ] || { msg "Run '$0 S' first to sync database."; exit 1; }
}
need_root() {
[ $(id -u) = 0 ] || { msg "This option need root access."; exit 1; }
}
fetch_pkg() {
get_entry $1
expected_sha=$(echo "$entry" | cut -d'|' -f4)
pkg=$(echo "$entry" | cut -d'|' -f1)
mkdir -p "$PKGDIR"
if [ -f "$PKGDIR/$pkg" ]; then
msg "$PKGDIR/$pkg found."
else
url="$REMOTE/$(echo "$pkg" | sed 's/#/%23/g')"
msg "Downloading $url..."
curl -fsSLo "$PKGDIR/$pkg" "$url" || { msg "Download failed: $pkg" >&2; return 1; }
fi
actual_sha=$(sha256sum "$PKGDIR/$pkg" | awk '{print $1}')
if [ "$expected_sha" = "$actual_sha" ]; then
msg "Verification PASSED: $pkg"
else
msg "Verification FAILED: $pkg" >&2
rm -f "$pkg"
return 1
fi
if [ "$mode" ]; then
spm $mode "$PKGDIR/$pkg"
fi
}
generate_db() {
[ -d "$1" ] || { msg "Invalid path: $1"; exit 1; }
> "$1/$REPODB"
msg "Generating database, please wait..."
for f in "$1"/*.spm; do
[ -f "$f" ] || continue
size=$(stat -c%s "$f")
mtime=$(stat -c%Y "$f")
sha=$(sha256sum "$f" | awk '{print $1}')
name=$(basename "$f")
echo "$name|$size|$mtime|$sha" >> "$1/$REPODB"
done
msg "Database generated at $1/$REPODB"
}
sync_db() {
need_root
mkdir -p "${DBFILE%/*}"
msg "Downloading database $REMOTE/$REPODB"
curl -fsSo "$DBFILE" "$REMOTE/$REPODB" || { msg "Failed to sync $REPODB"; exit 1; }
msg "Database synced to $DBFILE"
}
list_pkg() {
need_db
cut -d'|' -f1 "$DBFILE" | sed 's/#/ /g;s/.spm//g'
}
search_pkg() {
need_db
cut -d '|' -f1 "$DBFILE" | grep -i "$1" | sed 's/#/ /g;s/.spm//g'
exit 0
}
info_pkg() {
need_db
get_pkg $@
for p in $pkg; do
get_entry $p
name=$p
verrel=$(echo "$entry" | cut -d '#' -f2 | sed 's/\.spm.*//')
size=$(echo "$entry" | cut -d '|' -f2)
mtime=$(echo "$entry" | cut -d '|' -f3)
sha=$(echo "$entry" | cut -d '|' -f4)
# convert size
if [ "$size" -lt 1024 ]; then
hsize="${size} B"
elif [ "$size" -lt 1048576 ]; then
hsize="$(awk "BEGIN{printf \"%.1f\", $size/1024}") KB"
else
hsize="$(awk "BEGIN{printf \"%.1f\", $size/1048576}") MB"
fi
# convert date
hdate=$(date -d @"$mtime" '+%Y-%m-%d %H:%M:%S')
echo "Package: $name"
echo "Version: $verrel"
echo "Size: $hsize"
echo "Date: $hdate"
echo "SHA256: $sha"
done
}
download_pkg() {
need_db
get_pkg $@
for p in $pkg; do
fetch_pkg $p
done
}
install_pkg() {
need_root
need_db
get_pkg $@
for p in $pkg; do
[ "$(spm -a | grep -x $p)" ] && {
msg "Package '$p' is installed, skipped."
} || {
pkg2="$pkg2 $p"
}
done
for p in $pkg2; do
mode='-i' fetch_pkg $p
done
}
upgrade_pkg() {
need_root
need_db
get_pkg $@
for p in $pkg; do
[ "$(spm -a | grep -x $p)" ] || {
msg "Package '$p' not installed, skipped."
} && {
pkg2="$pkg2 $p"
}
done
for p in $pkg2; do
mode='-u' fetch_pkg $p
done
}
clean_pkg() {
need_db
need_root
msg "Checking local packages in $PKGDIR..."
known_pkgs=$(cut -d '|' -f1 "$DBFILE")
for f in "$PKGDIR"/*.spm; do
[ -f "$f" ] || continue
fname=${f##*/}
if echo "$known_pkgs" | grep -qx "$fname"; then
entry=$(grep "^$fname|" "$DBFILE")
expected_size=$(echo "$entry" | cut -d'|' -f2)
expected_sha=$(echo "$entry" | cut -d'|' -f4)
actual_size=$(stat -c%s "$f")
actual_sha=$(sha256sum "$f" | awk '{print $1}')
if [ "$expected_size" != "$actual_size" ] || [ "$expected_sha" != "$actual_sha" ]; then
msg "Mismatch: $fname (removing)"
fi
else
msg "Unknown package: $fname (removed)"
rm -f "$f"
fi
done
msg "Cleanup done."
}
main() {
if [ ! "$1" ]; then
usage
else
case $1 in
g) generate_db $2 ;;
S) sync_db ;;
l) list_pkg ;;
s) search_pkg $2 ;;
a) shift; info_pkg $@ ;;
d) shift; download_pkg $@ ;;
i) shift; install_pkg $@ ;;
u) shift; upgrade_pkg $@ ;;
c) clean_pkg ;;
*) usage ;;
esac
exit 0
fi
}
main $@
exit 0
|
