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35 lines
753 B
35 lines
753 B
#!/bin/sh -e
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# TODO: extract self without resolving to $0 because it doesn't resolve links
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if [ -z "$XDG_CACHE_HOME" ]; then
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destdir=/tmp/tarinstall
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else
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destdir="$XDG_CACHE_HOME"/tarinstall
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fi
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if ! [ -d "$destdir" ]; then
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mkdir -p "$destdir"
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fi
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if ! [ "$(head -n 1 "$destdir"/ID/checksum 2>/dev/null)" = 'SUM' ]; then
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rm -rf "$destdir"/ID
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tail -c +BYTES "$0" | lz4 -dc | tar -x -C "$destdir"
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echo "SUM" > "$destdir"/ID/checksum
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fi
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binname="$(basename "$0")"
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if echo "$binname" | grep -q \.tin$; then
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binname="$(echo "$binname" | sed s/\.tin//)"
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fi
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ORIGIN="$destdir"/ID
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LD_LIBRARY_PATH="$ORIGIN/lib"
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PATH="$ORIGIN/bin":$PATH
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export ORIGIN
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export LD_LIBRARY_PATH
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export PATH
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# export LD_DEBUG='libs'
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exec "$destdir"/ID/bin/"$binname" "$@"
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