86 lines
2.8 KiB
Bash
86 lines
2.8 KiB
Bash
cargoSetupPostUnpackHook() {
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echo "Executing cargoSetupPostUnpackHook"
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# Some cargo builds include build hooks that modify their own vendor
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# dependencies. This copies the vendor directory into the build tree and makes
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# it writable. If we're using a tarball, the unpackFile hook already handles
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# this for us automatically.
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if [ -z $cargoVendorDir ]; then
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unpackFile "$cargoDeps"
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export cargoDepsCopy=$(stripHash $cargoDeps)
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else
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cargoDepsCopy="$sourceRoot/${cargoRoot:+$cargoRoot/}${cargoVendorDir}"
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fi
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if [ ! -d .cargo ]; then
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mkdir .cargo
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fi
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config="$(pwd)/$cargoDepsCopy/.cargo/config";
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if [[ ! -e $config ]]; then
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config=@defaultConfig@
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fi;
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tmp_config=$(mktemp)
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substitute $config $tmp_config \
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--subst-var-by vendor "$(pwd)/$cargoDepsCopy"
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cat ${tmp_config} >> .cargo/config
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cat >> .cargo/config <<'EOF'
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@rustTarget@
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EOF
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echo "Finished cargoSetupPostUnpackHook"
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}
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# After unpacking and applying patches, check that the Cargo.lock matches our
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# src package. Note that we do this after the patchPhase, because the
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# patchPhase may create the Cargo.lock if upstream has not shipped one.
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cargoSetupPostPatchHook() {
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echo "Executing cargoSetupPostPatchHook"
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cargoDepsLockfile="$NIX_BUILD_TOP/$cargoDepsCopy/Cargo.lock"
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srcLockfile="$NIX_BUILD_TOP/$sourceRoot/${cargoRoot:+$cargoRoot/}/Cargo.lock"
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echo "Validating consistency between $srcLockfile and $cargoDepsLockfile"
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if ! @diff@ $srcLockfile $cargoDepsLockfile; then
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# If the diff failed, first double-check that the file exists, so we can
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# give a friendlier error msg.
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if ! [ -e $srcLockfile ]; then
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echo "ERROR: Missing Cargo.lock from src. Expected to find it at: $srcLockfile"
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echo "Hint: You can use the cargoPatches attribute to add a Cargo.lock manually to the build."
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exit 1
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fi
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if ! [ -e $cargoDepsLockfile ]; then
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echo "ERROR: Missing lockfile from cargo vendor. Expected to find it at: $cargoDepsLockfile"
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exit 1
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fi
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echo
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echo "ERROR: cargoSha256 is out of date"
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echo
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echo "Cargo.lock is not the same in $cargoDepsCopy"
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echo
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echo "To fix the issue:"
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echo '1. Use "0000000000000000000000000000000000000000000000000000" as the cargoSha256 value'
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echo "2. Build the derivation and wait for it to fail with a hash mismatch"
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echo "3. Copy the 'got: sha256:' value back into the cargoSha256 field"
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echo
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exit 1
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fi
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unset cargoDepsCopy
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echo "Finished cargoSetupPostPatchHook"
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}
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if [ -z "${dontCargoSetupPostUnpack-}" ]; then
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postUnpackHooks+=(cargoSetupPostUnpackHook)
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fi
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if [ -z ${cargoVendorDir-} ]; then
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postPatchHooks+=(cargoSetupPostPatchHook)
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fi
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