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https://github.com/NixOS/nixpkgs.git
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5e7a1cf955
Fixes a regression on OS X introduced by f83af95.
Don't use --tmpdir for mktemp, because that flag doesn't exist on OS X.
However, using -t is deprecated in GNU coreutils, so as suggested by
@ip1981 we're now using parameter expansion on ${TMPDIR:-/tmp} to
provide /tmp as a fallback if TMPDIR is not set and use it instead.
Also use this approach for nix-prefetch-cvs now in order to stay
consistent.
Reported-by: Vladimir Kirillov <proger@wilab.org.ua>
Tested-by: Igor Pashev <pashev.igor@gmail.com>
Signed-off-by: aszlig <aszlig@redmoonstudios.org>
77 lines
1.7 KiB
Bash
Executable file
77 lines
1.7 KiB
Bash
Executable file
#! /bin/sh -e
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url=$1
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rev=$2
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expHash=$3
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hashType=$NIX_HASH_ALGO
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if test -z "$hashType"; then
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hashType=sha256
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fi
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if test -z "$hashFormat"; then
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hashFormat=--base32
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fi
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if test -z "$url"; then
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echo "syntax: nix-prefetch-hg URL [rev [EXPECTED-HASH]]" >&2
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exit 1
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fi
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test -n "$rev" || rev="tip"
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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 "$expHash"; then
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finalPath=$(nix-store --print-fixed-path --recursive "$hashType" "$expHash" hg-archive)
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if ! nix-store --check-validity "$finalPath" 2> /dev/null; then
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finalPath=
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fi
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hash=$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 "$finalPath"; then
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tmpPath="$(mktemp -d "${TMPDIR:-/tmp}/hg-checkout-tmp-XXXXXXXX")"
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trap "rm -rf \"$tmpPath\"" EXIT
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tmpArchive="$tmpPath/hg-archive"
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# Perform the checkout.
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if [[ $url != /* ]]; then
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tmpClone=$tmpPath/hg-clone
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hg clone -q -y -U "$url" $tmpClone >&2
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else
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tmpClone=$url
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fi
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hg archive -q -y -r "$rev" --cwd $tmpClone $tmpArchive
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rm -f $tmpArchive/.hg_archival.txt
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echo "hg revision is $(cd $tmpClone; hg id -r "$rev" -i)"
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# Compute the hash.
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hash=$(nix-hash --type $hashType $hashFormat $tmpArchive)
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if ! test -n "$QUIET"; then echo "hash is $hash" >&2; fi
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# Add the downloaded file to the Nix store.
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finalPath=$(nix-store --add-fixed --recursive "$hashType" $tmpArchive)
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if test -n "$expHash" -a "$expHash" != "$hash"; then
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echo "hash mismatch for URL \`$url'"
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exit 1
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fi
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fi
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if ! test -n "$QUIET"; then echo "path is $finalPath" >&2; fi
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echo $hash
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if test -n "$PRINT_PATH"; then
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echo $finalPath
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fi
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