22 lines
623 B
Bash
22 lines
623 B
Bash
if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
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source $stdenv/setup
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tagtext=""
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tagflags=""
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# Darcs hashes are sha1 (120 bits, 40-character hex)
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if [[ "$rev" =~ [a-fA-F0-9]{40} ]]; then
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tagtext="(hash $rev)"
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tagflags="--to-hash=$rev"
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elif test -n "$rev"; then
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tagtext="(tag $rev)"
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tagflags="--tag=$rev"
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elif test -n "$context"; then
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tagtext="(context)"
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tagflags="--context=$context"
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fi
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echo "getting $url $partial ${tagtext} into $out"
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darcs get --lazy $tagflags "$url" "$out"
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# remove metadata, because it can change
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rm -rf "$out/_darcs"
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