2004-04-14 12:55:33 +02:00
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#! /bin/sh -e
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url=$1
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rev=$2
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2006-05-30 14:42:00 +02:00
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expHash=$3
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hashType=$NIX_HASH_ALGO
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if test -z "$hashType"; then
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2009-07-10 17:50:11 +02:00
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hashType=sha256
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fi
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if test -z "$hashFormat"; then
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hashFormat=--base32
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2006-05-30 14:42:00 +02:00
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fi
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2004-04-14 12:55:33 +02:00
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if test -z "$url"; then
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2006-05-30 14:42:00 +02:00
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echo "syntax: nix-prefetch-svn URL [REVISION [EXPECTED-HASH]]" >&2
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2004-04-14 12:55:33 +02:00
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exit 1
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fi
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test -n "$rev" || rev="HEAD"
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2009-10-06 15:36:52 +02:00
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repoName=$(echo $url | sed '
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s,.*/\([^/]\+\)/trunk/*$,\1,;t
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s,.*/\([^/]\+\)/branches/\([^/]\+\)/*$,\1-\2,;t
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s,.*/\([^/]\+\)/tags/\([^/]\+\)/*$,\1-\2,;t
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s,.*/\([^/]\+\)/*$,\1,;t
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')
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dstFile=$repoName-r$rev
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2004-12-17 12:04:18 +01:00
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2006-05-30 14:42:00 +02:00
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# If the hash was given, a file with that hash may already be in the
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# store.
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if test -n "$expHash"; then
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2009-10-06 15:36:52 +02:00
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finalPath=$(nix-store --print-fixed-path --recursive "$hashType" "$expHash" $dstFile)
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2006-05-30 14:42:00 +02:00
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if ! nix-store --check-validity "$finalPath" 2> /dev/null; then
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finalPath=
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2004-12-17 12:04:18 +01:00
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fi
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2006-05-30 14:42:00 +02:00
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hash=$expHash
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fi
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# If we don't know the hash or a path with that hash doesn't exist,
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# download the file and add it to the store.
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if test -z "$finalPath"; then
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tmpPath=/tmp/svn-checkout-tmp-$$
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2009-10-06 15:36:52 +02:00
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tmpFile=$tmpPath/$dstFile
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2006-05-30 14:42:00 +02:00
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mkdir $tmpPath
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2005-02-22 17:27:28 +01:00
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2006-07-18 14:00:38 +02:00
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trap "rm -rf $tmpPath" EXIT
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2004-12-17 12:04:18 +01:00
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# Perform the checkout.
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2009-12-03 16:01:54 +01:00
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if test "$NIX_PREFETCH_SVN_LEAVE_DOT_SVN" != 1
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then
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command="export"
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else
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command="checkout"
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fi
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echo p | svn "$command" --quiet -r "$rev" "$url" "$tmpFile" >&2
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2014-06-11 14:42:39 +02:00
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echo "svn revision is $(svn info -r "$rev" "$url" | grep "Revision: " | cut -d' ' -f2)"
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2004-04-14 12:55:33 +02:00
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2004-12-17 12:04:18 +01:00
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# Compute the hash.
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2006-05-30 14:42:00 +02:00
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hash=$(nix-hash --type $hashType $hashFormat $tmpFile)
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if ! test -n "$QUIET"; then echo "hash is $hash" >&2; fi
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2004-04-14 12:55:33 +02:00
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2006-05-30 14:42:00 +02:00
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# Add the downloaded file to the Nix store.
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finalPath=$(nix-store --add-fixed --recursive "$hashType" $tmpFile)
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2004-04-14 12:55:33 +02:00
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2006-05-30 14:42:00 +02:00
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if test -n "$expHash" -a "$expHash" != "$hash"; then
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echo "hash mismatch for URL \`$url'"
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exit 1
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fi
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2004-12-17 12:04:18 +01:00
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fi
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2004-04-14 12:55:33 +02:00
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2006-05-30 14:42:00 +02:00
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if ! test -n "$QUIET"; then echo "path is $finalPath" >&2; fi
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2004-04-14 12:55:33 +02:00
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echo $hash
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2004-12-17 11:40:00 +01:00
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if test -n "$PRINT_PATH"; then
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echo $finalPath
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fi
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