1 files changed, 98 insertions, 0 deletions
diff --git a/src/archbuild.in b/src/archbuild.in
new file mode 100644
index 0000000..e6cf19a
--- /dev/null
+++ b/src/archbuild.in
@@ -0,0 +1,98 @@
+#!/bin/bash
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+m4_include(lib/common.sh)
+m4_include(lib/archroot.sh)
+
+base_packages=(base-devel)
+makechrootpkg_args=(-c -n -C)
+
+cmd="${0##*/}"
+if [[ "${cmd%%-*}" == 'multilib' ]]; then
+	repo="${cmd%-build}"
+	arch='x86_64'
+	base_packages+=(multilib-devel)
+else
+	tag="${cmd%-build}"
+	repo=${tag%-*}
+	arch=${tag##*-}
+fi
+if [[ -f "@pkgdatadir@/setarch-aliases.d/${arch}" ]]; then
+	read -r set_arch < "@pkgdatadir@/setarch-aliases.d/${arch}"
+else
+	set_arch="${arch}"
+fi
+chroots='/var/lib/archbuild'
+clean_first=false
+
+pacman_config="@pkgdatadir@/pacman-${repo}.conf"
+if [[ -f @pkgdatadir@/pacman-${repo}-${arch}.conf ]]; then
+    pacman_config="@pkgdatadir@/pacman-${repo}-${arch}.conf"
+fi
+makepkg_config="@pkgdatadir@/makepkg-${arch}.conf"
+if [[ -f @pkgdatadir@/makepkg-${repo}-${arch}.conf ]]; then
+    makepkg_config="@pkgdatadir@/makepkg-${repo}-${arch}.conf"
+fi
+
+usage() {
+	echo "Usage: $cmd [options] -- [makechrootpkg args]"
+	echo '    -h         This help'
+	echo '    -c         Recreate the chroot before building'
+	echo '    -r <dir>   Create chroots in this directory'
+	echo ''
+	echo "Default makechrootpkg args: ${makechrootpkg_args[*]}"
+	echo ''
+	exit 1
+}
+
+while getopts 'hcr:' arg; do
+	case "${arg}" in
+		c) clean_first=true ;;
+		r) chroots="$OPTARG" ;;
+		*) usage ;;
+	esac
+done
+
+check_root SOURCE_DATE_EPOCH,SRCDEST,SRCPKGDEST,PKGDEST,LOGDEST,MAKEFLAGS,PACKAGER,GNUPGHOME
+
+# Pass all arguments after -- right to makepkg
+makechrootpkg_args+=("${@:$OPTIND}")
+
+if ${clean_first} || [[ ! -d "${chroots}/${repo}-${arch}" ]]; then
+	msg "Creating chroot for [%s] (%s)..." "${repo}" "${arch}"
+
+	for copy in "${chroots}/${repo}-${arch}"/*; do
+		[[ -d $copy ]] || continue
+		msg2 "Deleting chroot copy '%s'..." "$(basename "${copy}")"
+
+		lock 9 "$copy.lock" "Locking chroot copy '%s'" "$copy"
+
+		subvolume_delete_recursive "${copy}"
+		rm -rf --one-file-system "${copy}"
+	done
+	lock_close 9
+
+	rm -rf --one-file-system "${chroots}/${repo}-${arch}"
+	(umask 0022; mkdir -p "${chroots}/${repo}-${arch}")
+	setarch "${set_arch}" mkarchroot \
+		-C "${pacman_config}" \
+		-M "${makepkg_config}" \
+		"${chroots}/${repo}-${arch}/root" \
+		"${base_packages[@]}" || abort
+else
+	lock 9 "${chroots}/${repo}-${arch}/root.lock" "Locking clean chroot"
+	arch-nspawn \
+		-C "${pacman_config}" \
+		-M "${makepkg_config}" \
+		"${chroots}/${repo}-${arch}/root" \
+		pacman -Syuu --noconfirm || abort
+fi
+
+# Always build official packages reproducibly
+if [[ ! -v SOURCE_DATE_EPOCH ]]; then
+	export SOURCE_DATE_EPOCH=$(date +%s)
+fi
+
+msg "Building in chroot for [%s] (%s)..." "${repo}" "${arch}"
+exec makechrootpkg -r "${chroots}/${repo}-${arch}" "${makechrootpkg_args[@]}"