89 lines
2.4 KiB
Bash
89 lines
2.4 KiB
Bash
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if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
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source $stdenv/setup
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# Curl flags to handle redirects, not use EPSV, handle cookies for
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# servers to need them during redirects, and work on SSL without a
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# certificate (this isn't a security problem because we check the
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# cryptographic hash of the output anyway).
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set -o noglob
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curl="curl \
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--location \
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--max-redirs 20 \
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--retry 2 \
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--disable-epsv \
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--cookie-jar cookies \
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--insecure \
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--speed-time 5 \
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-# \
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--fail \
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$curlOpts \
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$NIX_CURL_FLAGS"
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finish() {
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runHook postFetch
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set +o noglob
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exit 0
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}
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ipfs_add() {
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if curl --retry 0 --head --silent "localhost:5001" > /dev/null; then
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echo "[0m[01;36m=IPFS=[0m add $ipfs"
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tar --owner=root --group=root -cWf "source.tar" $(echo *)
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res=$(curl -# -F "file=@source.tar" "localhost:5001/api/v0/tar/add" | sed 's/.*"Hash":"\(.*\)".*/\1/')
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if [ $ipfs != $res ]; then
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echo "\`ipfs tar add' results in $res when $ipfs is expected"
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exit 1
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fi
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rm "source.tar"
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fi
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}
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echo
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mkdir download
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cd download
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if curl --retry 0 --head --silent "localhost:5001" > /dev/null; then
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curlexit=18;
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echo "[0m[01;36m=IPFS=[0m get $ipfs"
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# if we get error code 18, resume partial download
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while [ $curlexit -eq 18 ]; do
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# keep this inside an if statement, since on failure it doesn't abort the script
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if $curl -C - "http://localhost:5001/api/v0/tar/cat?arg=$ipfs" --output "$ipfs.tar"; then
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unpackFile "$ipfs.tar"
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rm "$ipfs.tar"
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set +o noglob
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mv $(echo *) "$out"
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finish
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else
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curlexit=$?;
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fi
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done
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fi
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if test -n "$url"; then
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curlexit=18;
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echo "Downloading $url"
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while [ $curlexit -eq 18 ]; do
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# keep this inside an if statement, since on failure it doesn't abort the script
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if $curl "$url" -O; then
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set +o noglob
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tmpfile=$(echo *)
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unpackFile $tmpfile
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rm $tmpfile
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ipfs_add
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mv $(echo *) "$out"
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finish
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else
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curlexit=$?;
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fi
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done
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fi
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echo "[01;31merror:[0m cannot download $ipfs from ipfs or the given url"
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echo
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set +o noglob
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exit 1
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