mirror of https://github.com/zulip/zulip.git
43 lines
1019 B
Bash
Executable File
43 lines
1019 B
Bash
Executable File
#!/bin/sh
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if [ "$#" -lt 4 ]; then
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echo "Usage:"
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echo " sha256-tarball-to SHA256 http://FETCH/FROM.tar.gz SRC1 DST1 [SRC2 DST2 [...]]"
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echo
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echo "SHA256 is the sha256sum of the tarball fetched; each SRC (which may be a"
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echo "directory) is expected to be a relative path into the unpacked tarball,"
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echo "and each DST is the absolute path it should be moved to."
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exit 1
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fi
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set -e
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set -x
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SHA256="$1"
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URL="$2"
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shift
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shift
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# Work in a tmpdir which we clean up at the end
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tmpdir="$(mktemp -d)"
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trap 'rm -r "$tmpdir"' EXIT
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cd "$tmpdir"
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# Fetch to a predictable name, not whatever curl guesses from the URL
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LOCALFILE="archive.tar.gz"
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wget -qO "$LOCALFILE" "$URL"
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# Check the hash against what was passed in
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echo "$SHA256 $LOCALFILE" >"$LOCALFILE.sha256"
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sha256sum -c "$LOCALFILE.sha256"
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tar xzf "$LOCALFILE"
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# Take the rest of the arguments two-at-a-time, as source and
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# destination to move out of the unpacked tarball.
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while [ "$#" -gt 0 ]; do
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mv "$1" "$2"
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shift
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shift
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done
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