DLPX-95062 simplify challenge-response package build (#368)

PR URL: https://www.github.com/delphix/linux-pkg/pull/368

Author: sebroy

lib/common.sh

@@ -1087,9 +1087,24 @@ function push_to_remote() {
 #
 function set_changelog() {
 	check_env PACKAGE_REVISION
-	local src_package="${1:-$PACKAGE}"
 	local final_version
 
+	#
+	# If the name of the source package isn't passed in as a parameter,
+	# then deduce it. If there's a debian/control file that specifies that
+	# package name, then use it. Otherwise, default to the name of the
+	# linux-pkg directory name. This can't always be the default because
+	# for some packages, those are different.  For example, the
+	# challenge-response linux-pkg directory generates the
+	# pam-challenge-response debian package.
+	#
+	if [[ -n $1 ]]; then
+		src_package=$1
+	elif [[ -f debian/control ]]; then
+		src_package=$(awk '/^Source:/ { print $2 }' debian/control)
+	fi
+	src_package=${src_package:-$PACKAGE}
+
 	#
 	# If PACKAGE_VERSION hasn't been set already, then retrieve it from
 	# The changelog file. If the changelog file doesn't exist, which

packages/challenge-response/config.sh

@@ -19,18 +19,9 @@
 DEFAULT_PACKAGE_GIT_URL="https://github.com/delphix/challenge-response.git"
 
 function prepare() {
-	logmust install_pkgs \
-		libpam0g-dev \
-		libssl-dev \
-		uuid-dev
+	install_build_deps_from_control_file
 }
 
 function build() {
-	logmust cd "$WORKDIR/repo/challenge_response/lib"
-	PACKAGE_VERSION=$(date +%Y.%m.%d.%H)
-	logmust set_changelog
-
-	logmust cd "$WORKDIR/repo/challenge_response"
-	logmust make package
-	logmust mv "./$(dpkg-architecture -q DEB_HOST_GNU_CPU)"/*deb "$WORKDIR/artifacts/"
+	dpkg_buildpackage_default
 }