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

27 lines
604 B

#!/bin/sh -e
# TODO: verify checksum before extracting
# TODO: extract self without resolving to $0 because it doesn't resolve links
if [ -z "$XDG_CACHE_HOME" ]; then
destdir=/tmp
else
destdir="$XDG_CACHE_HOME"
fi
if ! [ "$(head -n 1 "$destdir"/ID/checksum 2>/dev/null)" = 'SUM' ]; then
tail -c +BYTES "$0" | lz4 -dc | tar -x -C "$destdir"
echo "SUM" > "$destdir"/ID/checksum
fi
ORIGIN="$destdir"/ID
LD_LIBRARY_PATH="$ORIGIN/lib"
PATH="$ORIGIN/bin":$PATH
export ORIGIN
export LD_LIBRARY_PATH
export PATH
# export LD_DEBUG='libs'
# TODO: use $0 instead
exec "$destdir"/ID/bin/"$(basename "$1")"