abuild: add support for -devhelp subpackges

fixes https://gitlab.alpinelinux.org/alpine/abuild/-/merge_requests/87

abuild.in

@@ -806,6 +806,11 @@ postcheck() {
 			&& ! is_doc_pkg "$name"; then
 		warning "Found /usr/share/doc but package name doesn't end with -doc"
 	fi
+	# look for /usr/share/devhelp
+	if [ -e "$dir"/usr/share/devhelp ] \
+			&& ! is_devhelp_pkg "$name"; then
+		warning "Found /usr/share/devhelp but package name doesn't end with -devhelp"
+	fi
 	# look for /usr/share/man
 	if [ -e "$dir"/usr/share/man ]; then
 		if ! is_doc_pkg "$name"; then
@@ -1315,6 +1320,11 @@ is_doc_pkg() {
 	test "${1%-doc}" != "$1"
 }
 
+# returns true if this is the -doc package
+is_devhelp_pkg() {
+	test "${1%-devhelp}" != "$1"
+}
+
 # returns true if this is the -openrc package
 is_openrc_pkg() {
 	test "${1%-openrc}" != "$1"
@@ -2057,6 +2067,16 @@ openrc() {
 	default_openrc
 }
 
+default_devhelp() {
+	pkgdesc="$pkgname - devhelp files"
+	install_if="$pkgname=$pkgver-$pkgrel devhelp"
+	amove usr/share/devhelp
+}
+
+devhelp() {
+	default_devhelp
+}
+
 default_bashcomp() {
 	depends=""
 	pkgdesc="Bash completions for $pkgname"

tests/abuild_test

@@ -29,6 +29,8 @@ init_tests \
 	abuild_amove \
 	abuild_doc \
 	abuild_dev \
+	abuild_devhelp_warn \
+	abuild_devhelp \
 	abuild_check_maintainer \
 	abuild_cleanoldpkg \
 	abuild_path_with_spaces
@@ -690,6 +692,54 @@ abuild_dev_body() {
 	test -L pkg/foo-dev/usr/lib/libfoo.so || atf_fail "libfoo.so failed"
 }
 
+abuild_devhelp_warn_body() {
+	init_keys
+	mkdir -p foo
+
+	cd foo
+	cat > APKBUILD <<-EOF
+		# Maintainer: Test User 123 <123@example.com>
+		pkgname="foo"
+		pkgver="1.0"
+		pkgrel=0
+		pkgdesc='Dummy test package that has devhelp'
+		url='https://gitlab.alpinelinux.org/alpine/aports'
+		arch='noarch'
+		license='MIT'
+
+		package() {
+			mkdir -p "\$pkgdir"/usr/share/devhelp/book
+		}
+	EOF
+	atf_check -e match:"WARNING:" \
+		abuild rootpkg
+}
+
+abuild_devhelp_body() {
+	init_keys
+	mkdir -p foo
+
+	cd foo
+	cat > APKBUILD <<-EOF
+		# Maintainer: Test User 123 <123@example.com>
+		pkgname="foo"
+		pkgver="1.0"
+		pkgrel=0
+		pkgdesc='Dummy test package that has devhelp'
+		url='https://gitlab.alpinelinux.org/alpine/aports'
+		arch='noarch'
+		license='MIT'
+		subpackages="\$pkgname-devhelp"
+
+		package() {
+			mkdir -p "\$pkgdir"/usr/share/devhelp/book
+		}
+	EOF
+	atf_check -e not-match:"WARNING:" \
+		-o match:'->' \
+		abuild rootpkg
+}
+
 abuild_check_maintainer_body() {
 	mkdir -p foo && cd foo
 	for m in "Test User 123 <123example.com>" \