feat(build): update srcinfo file after build

The srcinfo file is essentially a representation of the current build
recipes, hence generate an up to date version by adding it as secondary
build artifact to the build process.

Signed-off-by: Levente Polyak <anthraxx@archlinux.org>

src/lib/build/build.sh

@@ -429,6 +429,10 @@ pkgctl_build() {
 			fi
 		done
 
+		# auto generate .SRCINFO
+		# shellcheck disable=SC2119
+		write_srcinfo_file
+
 		# release the build
 		if (( RELEASE )); then
 			pkgctl_release --repo "${pkgrepo}" "${RELEASE_OPTIONS[@]}"