minimal AppImage-like portable packaging system
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tarinstall/posix/maketi

160 lines
3.4 KiB

#!/bin/sh -e
# NEEDED: lz4 readelf tar cat awk cut sed sh sort
WORKDIR="$(basename "$1")"
if [ -z "$LIBPATH" ]; then
LIBPATH='/lib'
fi
PAYLOAD_SCRIPT='payload'
LIBLIST="$WORKDIR"/liblist
SUMFILE="$WORKDIR"/checksum
tmpfile="$WORKDIR"/tt
die ()
{
echo "$1"
exit
}
getlibs ()
{
tmplist="$WORKDIR"/tmplist
touch "$LIBLIST"
# Take the executable and get the first level dependencies
readelf -d "$1" |
grep NEEDED |
awk '{print $5}' |
sed s/\\[// | sed s/\\]// > "$tmplist"
# While there are more dependencies
while [ "$(cat "$tmplist")" ]; do
# Add them to the master file
cat "$LIBLIST" "$tmplist" > "$tmpfile"
mv -f "$tmpfile" "$LIBLIST"
# Copy them to lib/
while read -r l; do
( IFS=:
for p in $LIBPATH; do
find -L "$p" -maxdepth 2 -name "$l" -exec cp -n {} "$WORKDIR"/lib/ \;
done
)
done < "$tmplist"
# Extract their dependencies
touch "$tmpfile"
for f in "$WORKDIR"/lib/*; do
if grep -Fq "$(basename "$f")" "$tmplist"; then
readelf -d "$f" |
grep NEEDED |
awk '{print $5}' |
sed s/\\[// | sed s/\\]// >> "$tmpfile"
fi
done
sort -u "$tmpfile" > "$tmplist"
done
sort -u "$LIBLIST" > "$tmpfile"
mv -f "$tmpfile" "$LIBLIST"
rm -f "$tmplist"
}
if ! [ "$WORKDIR" ]; then
die 'Not enough arguments'
fi
if ! [ -d "$WORKDIR" ]; then
die 'Argument is not a directory'
fi
if [ -e "$WORKDIR"/bin ]; then
if ! [ -d "$WORKDIR"/bin ]; then
die 'bin/ is not a directory'
fi
else
die 'Directory does not contain bin/'
fi
if ! [ -e "$WORKDIR"/id ]; then
die 'id file not present'
fi
if [ "$(ls -1 "$WORKDIR"/bin)" ]; then
for f in "$WORKDIR"/bin/*; do
if ! [ -x "$f" ]; then
die "$f is not executable"
fi
done
else
die 'bin/ is empty, there has to be at least one executable'
fi
# Create necessary directories and files
mkdir -p "$WORKDIR"/lib
mkdir -p "$WORKDIR"/ext
mkdir -p "$WORKDIR"/man
touch "$WORKDIR"/env
# TODO: add usage and error checking
DIRNAME="$WORKDIR"/"$(head -1 "$WORKDIR"/id | awk '{print $1}')"
echo "Fetching dependencies..."
if [ -s "$WORKDIR"/deps ]; then
while read -r d; do
( IFS=:
for p in $PATH; do
find -L "$p" -maxdepth 2 -name "$d" -exec cp -n {} "$WORKDIR"/bin/ \;
done
)
done < "$tmplist"
fi
echo "Fetching libraries and stripping binaries..."
# TODO: get al binary dependencies from deps file
# Get all dependencies and strip them
for b in "$WORKDIR"/bin/*; do
getlibs "$b"
strip "$b"
done
echo "Stripping libraries..."
for l in "$WORKDIR"/lib/*; do
strip "$l"
done
echo "Compressing destination directory..."
if [ -d "$DIRNAME" ]; then
rm -rf "$DIRNAME"
fi
mkdir -p "$DIRNAME"
cp -r "$WORKDIR"/bin "$DIRNAME"/
cp -r "$WORKDIR"/lib "$DIRNAME"/
cp -r "$WORKDIR"/man "$DIRNAME"/
cp -r "$WORKDIR"/ext "$DIRNAME"/
cp "$WORKDIR"/env "$DIRNAME"/
cp "$WORKDIR"/id "$DIRNAME"/
tar -c -f "$DIRNAME".tar -C "$WORKDIR" "$(basename "$DIRNAME")"
md5sum -b "$DIRNAME".tar | cut -d " " -f1 > "$SUMFILE"
lz4 --rm -9 -c "$DIRNAME.tar" > "$DIRNAME".tar.lz4
echo "Injecting payload..."
sed s/SUM/"$(cat "$SUMFILE")"/ "$PAYLOAD_SCRIPT" |
sed s/ID/"$(basename "$DIRNAME")"/ |
awk '!/^ *#/ && NF' > tpp
size="$(wc -c tpp | cut -d " " -f1)"
strsize="$(echo "BYTES" | wc -c)"
numsize="$(echo "$size" | wc -c)"
normsize="$((size - (strsize - numsize) + 1))"
sed s/BYTES/"$normsize"/ tpp > tpr
cat tpr "$DIRNAME".tar.lz4 > "$DIRNAME".tin
echo "Cleaning up..."
rm -f tpr tpp
chmod +x "$DIRNAME".tin
rm -rf "$DIRNAME" "$DIRNAME".tar*