30 lines
492 B
Bash
30 lines
492 B
Bash
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#!/bin/bash
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if [ $# -lt 3 ]; then
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echo "usage: ./mkhaskalimg.sh <dir> <cmd> <out>"
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fi
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dir="$1"
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cmd="$2"
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out="$3"
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(cd "$dir" && tar czf ../haskalimg.tar.gz *)
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header=$(cat <<EOF
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#!/bin/bash
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extdir="/tmp/haskalimg-\$(whoami)-\$(head -c8 /dev/urandom | xxd -p)"
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mkdir "\$extdir"
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tail -n +11 "\$0" | tar xz -C "\$extdir"
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function finish {
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rm -rf "\$extdir"
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}
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trap finish EXIT
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\$extdir/$2
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exit
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EOF
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)
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cat <(echo "$header") haskalimg.tar.gz > "$out"
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rm haskalimg.tar.gz
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chmod +x "$out"
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