# Copyright 1999-2016 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # @ECLASS: cargo.eclass # @MAINTAINER: # rust@gentoo.org # @AUTHOR: # Doug Goldstein <cardoe@gentoo.org> # @BLURB: common functions and variables for cargo builds if [[ -z ${_CARGO_ECLASS} ]]; then _CARGO_ECLASS=1 case ${EAPI} in 6) : ;; *) die "EAPI=${EAPI:-0} is not supported" ;; esac EXPORT_FUNCTIONS src_unpack src_compile src_install IUSE="${IUSE} debug" [[ ${CATEGORY}/${PN} != dev-util/cargo ]] && DEPEND=">=dev-util/cargo-0.13.0" ECARGO_HOME="${WORKDIR}/cargo_home" ECARGO_VENDOR="${ECARGO_HOME}/gentoo" # @FUNCTION: cargo_crate_uris # @DESCRIPTION: # Generates the URIs to put in SRC_URI to help fetch dependencies. cargo_crate_uris() { local crate for crate in "$@"; do local name version url pretag name="${crate%-*}" version="${crate##*-}" pretag="[a-zA-Z]+" if [[ $version =~ $pretag ]]; then version="${name##*-}-${version}" name="${name%-*}" fi url="https://crates.io/api/v1/crates/${name}/${version}/download -> ${crate}.crate" echo "${url}" done } # @FUNCTION: cargo_src_unpack # @DESCRIPTION: # Unpacks the package and the cargo registry cargo_src_unpack() { debug-print-function ${FUNCNAME} "$@" mkdir -p "${ECARGO_VENDOR}" || die mkdir -p "${S}" || die local archive for archive in ${A}; do case "${archive}" in *.crate) ebegin "Loading ${archive} into Cargo registry" tar -xf "${DISTDIR}"/${archive} -C "${ECARGO_VENDOR}/" || die # generate sha256sum of the crate itself as cargo needs this shasum=$(sha256sum "${DISTDIR}"/${archive} | cut -d ' ' -f 1) pkg=$(basename ${archive} .crate) cat <<- EOF > ${ECARGO_VENDOR}/${pkg}/.cargo-checksum.json { "package": "${shasum}", "files": {} } EOF # if this is our target package we need it in ${WORKDIR} too # to make ${S} (and handle any revisions too) if [[ ${P} == ${pkg}* ]]; then tar -xf "${DISTDIR}"/${archive} -C "${WORKDIR}" || die fi eend $? ;; cargo-snapshot*) ebegin "Unpacking ${archive}" mkdir -p "${S}"/target/snapshot tar -xzf "${DISTDIR}"/${archive} -C "${S}"/target/snapshot --strip-components 2 || die # cargo's makefile needs this otherwise it will try to # download it touch "${S}"/target/snapshot/bin/cargo || die eend $? ;; *) unpack ${archive} ;; esac done cargo_gen_config } # @FUNCTION: cargo_gen_config # @DESCRIPTION: # Generate the $CARGO_HOME/config necessary to use our local registry cargo_gen_config() { debug-print-function ${FUNCNAME} "$@" cat <<- EOF > "${ECARGO_HOME}/config" [source.gentoo] directory = "${ECARGO_VENDOR}" [source.crates-io] replace-with = "gentoo" local-registry = "/nonexistant" EOF } # @FUNCTION: cargo_src_compile # @DESCRIPTION: # Build the package using cargo build cargo_src_compile() { debug-print-function ${FUNCNAME} "$@" export CARGO_HOME="${ECARGO_HOME}" cargo build -v $(usex debug "" --release) \ || die "cargo build failed" } # @FUNCTION: cargo_src_install # @DESCRIPTION: # Installs the binaries generated by cargo cargo_src_install() { debug-print-function ${FUNCNAME} "$@" cargo install --root="${D}/usr" $(usex debug --debug "") \ || die "cargo install failed" rm -f "${D}/usr/.crates.toml" [ -d "${S}/man" ] && doman "${S}/man" || return 0 } fi