DLPX-93326 Add package containing rust source files

PR URL: https://www.github.com/delphix/delphix-rust/pull/25

Author: prakashsurya

debian/control

@@ -26,3 +26,10 @@ Provides: cargo, rust-gdb, rustc (= ${binary:Version})
 Conflicts: cargo, rust-gdb, rustc
 Description: Rust - A programming language empowering everyone to build
   reliable and efficient software.
+
+Package: delphix-rust-src
+Architecture: any
+Provides: rustc-src (= ${binary:Version})
+Conflicts: rustc-src
+Description: Rust - A programming language empowering everyone to build
+  reliable and efficient software.

debian/delphix-rust-src.install

@@ -0,0 +1 @@
+usr/src/*

debian/delphix-rust.install

@@ -0,0 +1,5 @@
+usr/bin/*
+usr/etc/*
+usr/lib/*
+usr/libexec/*
+usr/share/*

debian/rules

@@ -21,10 +21,19 @@ RUSTC_VERSION := $(shell tr -d '\n' < RUSTC_VERSION)
 %:
 	dh $@
 
-override_dh_install:
-	./scripts/fetch-and-run-installer.sh ${RUSTC_VERSION} "/usr" "debian/tmp" $(DEB_HOST_GNU_CPU)
-
-	dh_install --autodest "debian/tmp/*"
+override_dh_prep:
+	dh_prep
+	./scripts/fetch-and-run-installer.sh "${RUSTC_VERSION}" "/usr" "debian/tmp" $(DEB_HOST_GNU_CPU)
+	./scripts/fetch-and-unpack-src.sh "${RUSTC_VERSION}" "/usr/src" "debian/tmp"
 
 override_dh_strip:
-	# Skip this step; use artifacts from Rust tarball as-is.
+	# Skip this step; use artifacts from Rust tarballs as-is.
+
+override_dh_strip_nondeterminism:
+	# Skip this step; use artifacts from Rust tarballs as-is.
+
+override_dh_makeshlibs:
+	# Skip this step; use artifacts from Rust tarballs as-is.
+
+override_dh_shlibdeps:
+	# Skip this step; use artifacts from Rust tarballs as-is.

scripts/fetch-and-unpack-src.sh

@@ -0,0 +1,76 @@
+#!/bin/bash
+#
+# Copyright 2021, 2025 Delphix
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -o xtrace
+
+BASEURL="https://artifactory.delphix.com/artifactory/linux-pkg/rust"
+
+function die() {
+	echo "$(basename "$0"): $*" >&2
+	exit 1
+}
+
+function usage() {
+	echo "$(basename "$0"): $*" >&2
+	echo "Usage: $(basename "$0") <version> <prefix> <destdir> <cpu>"
+	exit 2
+}
+
+function cleanup() {
+	[[ -n "$TEMP_DIR" ]] && [[ -d "$TEMP_DIR" ]] && rm -rf "$TEMP_DIR"
+}
+
+[[ $# -gt 3 ]] && usage "too many arguments specified"
+[[ $# -lt 3 ]] && usage "too few arguments specified"
+
+VERSION="$1"
+PREFIX="$2"
+DESTDIR="$3"
+
+RUST="rustc-${VERSION}-src"
+
+[[ -z "$VERSION" ]] && usage "version not specified."
+[[ -z "$PREFIX" ]] && usage "prefix not specified."
+[[ -z "$DESTDIR" ]] && usage "destdir not specified."
+
+#
+# The full path is required, so DESTDIR can be used after calling "pushd" below.
+#
+DESTDIR="$(readlink -f "$DESTDIR")"
+mkdir -p "${DESTDIR}" || die "'mkdir -p \"${DESTDIR}\"' failed"
+
+curl -v https://keybase.io/rust/pgp_keys.asc | gpg --import ||
+	die "failed to import GPG key"
+
+trap cleanup EXIT
+
+TEMP_DIR="$(mktemp -d -t delphix-rust.XXXXXXX)"
+[[ -d "$TEMP_DIR" ]] || die "failed to create temporary directory '$TEMP_DIR'"
+pushd "$TEMP_DIR" &>/dev/null || die "'pushd $TEMP_DIR' failed"
+
+wget -nv "${BASEURL}/${RUST}.tar.xz" || die "failed to download tarfile"
+wget -nv "${BASEURL}/${RUST}.tar.xz.asc" || die "failed to download signature"
+gpg --verify "${RUST}.tar.xz.asc" "${RUST}.tar.xz" ||
+	die "failed to verify signature"
+
+mkdir -p "${DESTDIR}${PREFIX}/rustc-${VERSION}" ||
+	die "failed to install; 'prefix=${PREFIX}' and 'destdir=${DESTDIR}'"
+tar -xvf "${RUST}.tar.xz" \
+	-C "${DESTDIR}${PREFIX}/rustc-${VERSION}" --strip-components 1 ||
+	die "failed to extract tarfile"
+
+popd &>/dev/null || die "'popd' failed"