[patch] patch that allows selecting crate features

cargo-eclass-features.patch (text/plain), 1.76 KB, created by Jannik Glückert on 2020-05-09 17:32:39 UTC

diff --git a/cargo.eclass b/cargo.eclass
index 6f7ffdb..5c7c9f4 100644
--- a/cargo.eclass
+++ b/cargo.eclass
@@ -23,7 +23,7 @@ esac
 
 inherit multiprocessing
 
-EXPORT_FUNCTIONS src_unpack src_compile src_install src_test
+EXPORT_FUNCTIONS src_unpack src_configure src_compile src_install src_test
 
 IUSE="${IUSE} debug"
 
@@ -154,6 +154,24 @@ cargo_gen_config() {
 	[[ "${NOCOLOR}" = true || "${NOCOLOR}" = yes ]] && echo "color = 'never'" >> "${ECARGO_HOME}/config"
 }
 
+# @FUNCTION: cargo_feature
+# @DESCRIPTION:
+# Enable a crate feature
+cargo_feature() {
+	if ! [ -z ${1} ]; then
+		CARGO_FEATURES="${1},${CARGO_FEATURES}"
+	fi
+}
+
+# @FUNCTION: cargo_src_configure
+# @DESCRIPTION:
+# Apply the selected features
+cargo_src_configure() {
+	if ! [ -z "${CARGO_FEATURES}" ]; then
+		CARGO_FEATURES="--no-default-features --features ${CARGO_FEATURES}"
+	fi
+}
+
 # @FUNCTION: cargo_src_compile
 # @DESCRIPTION:
 # Build the package using cargo build
@@ -162,7 +180,7 @@ cargo_src_compile() {
 
 	export CARGO_HOME="${ECARGO_HOME}"
 
-	cargo build $(usex debug "" --release) "$@" \
+	cargo build $(usex debug "" --release) ${CARGO_FEATURES} "$@" \
 		|| die "cargo build failed"
 }
 
@@ -173,7 +191,7 @@ cargo_src_install() {
 	debug-print-function ${FUNCNAME} "$@"
 
 	cargo install --path ${CARGO_INSTALL_PATH} \
-		--root="${ED}/usr" $(usex debug --debug "") "$@" \
+		--root="${ED}/usr" $(usex debug --debug "") ${CARGO_FEATURES} "$@" \
 		|| die "cargo install failed"
 	rm -f "${ED}/usr/.crates.toml"
 	rm -f "${ED}/usr/.crates2.json"
@@ -187,7 +205,7 @@ cargo_src_install() {
 cargo_src_test() {
 	debug-print-function ${FUNCNAME} "$@"
 
-	cargo test $(usex debug "" --release) "$@" \
+	cargo test $(usex debug "" --release) ${CARGO_FEATURES} "$@" \
 		|| die "cargo test failed"
 }