app-emulation/snapd: Bump to version 2.51 and require squashfs-tools[lzma]

Snaps that use xz compression fail to install with squashfs-tools[-lzma]:

error: cannot perform the following tasks:
- Mount snap "snapd" (10492) (cannot run unsquashfs:
-----
Filesystem uses xz compression, this is unsupported by this version
Decompressors available:
        gzip
-----)

Reported-by: Artem Ilgamov <a.ilgamov@myhart.ru>
Closes: https://bugs.gentoo.org/761523
Package-Manager: Portage-3.0.19, Repoman-3.0.3
Signed-off-by: Zac Medico <zmedico@gentoo.org>

2 files changed, 181 insertions, 0 deletions

diff --git a/app-emulation/snapd/Manifest b/app-emulation/snapd/Manifest
index 505c33b777c1..4a17ff222711 100644
--- a/app-emulation/snapd/Manifest
+++ b/app-emulation/snapd/Manifest
@@ -1 +1,2 @@
 DIST snapd-2.48.tar.xz 3757292 BLAKE2B 4d1fd4b9ff3bd7cf05ebf0e27db4bcc87b5de689be470b4c62758e411e9d99a541ae084c7b1afe4ede44ad6dce19a53b337dcddc18d0b82957ef537f466e720a SHA512 27e1924d86296a969cd18980d6100c8e41be66f2ad0214ac2857580a2686b1e7ef01e2561c6ed532106eadb1ac2d5fd070ef9eb05e5fabfb8fa9a98456259b89
+DIST snapd-2.51.tar.xz 4036884 BLAKE2B debdfe51407306451ecdb7851e3768be5aa5b9714b2861cb17e9989194dfbf441b1569955c6440a7d44f1d36996b398bcf60b903a76116e14dcc3173625e105c SHA512 959cceb8fcb326a14557347cecfb931763084e00639b828dc539646d2988cdeb3c9276ab8b770c6bbe37c7a05fb6548f609f490c55f7ee28713a4eb80cf3da15
diff --git a/app-emulation/snapd/snapd-2.51.ebuild b/app-emulation/snapd/snapd-2.51.ebuild
new file mode 100644
index 000000000000..abc28376ab87
--- /dev/null
+++ b/app-emulation/snapd/snapd-2.51.ebuild
@@ -0,0 +1,180 @@
+# Copyright 2020-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+EGO_PN="github.com/snapcore/${PN}"
+inherit autotools bash-completion-r1 golang-vcs-snapshot linux-info readme.gentoo-r1 systemd xdg-utils
+
+DESCRIPTION="Service and tools for management of snap packages"
+HOMEPAGE="http://snapcraft.io/"
+
+MY_S="${S}/src/github.com/snapcore/${PN}"
+
+SRC_URI="https://github.com/snapcore/${PN}/releases/download/${PV}/${PN}_${PV}.vendor.tar.xz -> ${P}.tar.xz"
+MY_PV=${PV}
+KEYWORDS="~amd64"
+
+LICENSE="GPL-3 Apache-2.0 BSD BSD-2 LGPL-3-with-linking-exception MIT"
+SLOT="0"
+IUSE="apparmor +cgroup-hybrid +forced-devmode gtk kde systemd"
+REQUIRED_USE="!forced-devmode? ( apparmor cgroup-hybrid ) systemd"
+
+CONFIG_CHECK="~CGROUPS
+		~CGROUP_DEVICE
+		~CGROUP_FREEZER
+		~NAMESPACES
+		~SQUASHFS
+		~SQUASHFS_ZLIB
+		~SQUASHFS_LZO
+		~SQUASHFS_XZ
+		~BLK_DEV_LOOP
+		~SECCOMP
+		~SECCOMP_FILTER"
+
+RDEPEND="
+	sys-libs/libseccomp:=
+	apparmor? (
+		sec-policy/apparmor-profiles
+		sys-apps/apparmor:=
+	)
+	dev-libs/glib
+	virtual/libudev
+	systemd? ( sys-apps/systemd[cgroup-hybrid(+)?] )
+	sys-libs/libcap:=
+	sys-fs/squashfs-tools[lzma]"
+
+DEPEND="${RDEPEND}"
+
+BDEPEND="
+	>=dev-lang/go-1.9
+	dev-python/docutils
+	sys-devel/gettext
+	sys-fs/xfsprogs"
+
+PDEPEND="sys-auth/polkit[gtk?,kde?]"
+
+README_GENTOO_SUFFIX=""
+
+pkg_setup() {
+	if use apparmor; then
+		CONFIG_CHECK+=" ~SECURITY_APPARMOR"
+	fi
+	linux-info_pkg_setup
+}
+
+src_prepare() {
+	default
+	# Update apparmor profile to allow libtinfow.so*
+	sed -i 's/libtinfo/libtinfo{,w}/' \
+		"${MY_S}/cmd/snap-confine/snap-confine.apparmor.in" || die
+
+	if ! use forced-devmode; then
+		sed -e 's#return \(!apparmorFull || cgroupv2\)#//\1\n\tif !apparmorFull || cgroupv2 {\n\t\tpanic("USE=forced-devmode is disabled")\n\t}\n\treturn false#' \
+			-i "${MY_S}/sandbox/forcedevmode.go" || die
+		grep -q 'panic("USE=forced-devmode is disabled")' "${MY_S}/sandbox/forcedevmode.go" || die "failed to disable forced-devmode"
+	fi
+
+	sed -i 's:command -v git >/dev/null:false:' -i "${MY_S}/mkversion.sh" || die
+
+	pushd "${MY_S}" >/dev/null || die
+	./mkversion.sh "${PV}"
+	popd >/dev/null || die
+	pushd "${MY_S}/cmd" >/dev/null || die
+	eautoreconf
+}
+
+src_configure() {
+	SNAPD_MAKEARGS=(
+		"BINDIR=${EPREFIX}/usr/bin"
+		"DBUSSERVICESDIR=${EPREFIX}/usr/share/dbus-1/services"
+		"LIBEXECDIR=${EPREFIX}/usr/lib"
+		"SNAP_MOUNT_DIR=${EPREFIX}/var/lib/snapd/snap"
+		"SYSTEMDSYSTEMUNITDIR=$(systemd_get_systemunitdir)"
+	)
+	export CGO_ENABLED="1"
+	export CGO_CFLAGS="${CFLAGS}"
+	export CGO_CPPFLAGS="${CPPFLAGS}"
+	export CGO_CXXFLAGS="${CXXFLAGS}"
+
+	pushd "${MY_S}/cmd" >/dev/null || die
+	econf --libdir="${EPREFIX}/usr/lib" \
+		--libexecdir="${EPREFIX}/usr/lib/snapd" \
+		$(use_enable apparmor) \
+		--enable-nvidia-biarch \
+		--with-snap-mount-dir="${EPREFIX}/var/lib/snapd/snap"
+}
+
+src_compile() {
+	export -n GOCACHE XDG_CACHE_HOME
+	export GO111MODULE=off GOBIN="${S}/bin" GOPATH="${S}"
+
+	local file
+	for file in "${MY_S}/po/"*.po; do
+		msgfmt "${file}" -o "${file%.po}.mo" || die
+	done
+
+	emake -C "${MY_S}/data" "${SNAPD_MAKEARGS[@]}"
+
+	local -a flags=(-buildmode=pie -ldflags "-s -linkmode external -extldflags '${LDFLAGS}'" -trimpath)
+	local -a staticflags=(-buildmode=pie -ldflags "-s -linkmode external -extldflags '${LDFLAGS} -static'" -trimpath)
+
+	local cmd
+	for cmd in snap snapd snap-bootstrap snap-failure snap-preseed snap-recovery-chooser snap-repair snap-seccomp; do
+		go build -o "${GOBIN}/${cmd}" "${flags[@]}" \
+		    -v -x "github.com/snapcore/${PN}/cmd/${cmd}"
+		[[ -e "${GOBIN}/${cmd}" ]] || die "failed to build ${cmd}"
+	done
+	for cmd in snapctl snap-exec snap-update-ns; do
+		go build -o "${GOBIN}/${cmd}" "${staticflags[@]}" \
+		    -v -x "github.com/snapcore/${PN}/cmd/${cmd}"
+		[[ -e "${GOBIN}/${cmd}" ]] || die "failed to build ${cmd}"
+	done
+}
+
+src_install() {
+	emake -C "${MY_S}/data" install "${SNAPD_MAKEARGS[@]}" DESTDIR="${D}"
+	emake -C "${MY_S}/cmd" install "${SNAPD_MAKEARGS[@]}" DESTDIR="${D}"
+
+	if use apparmor; then
+		mv "${ED}/etc/apparmor.d/usr.lib.snapd.snap-confine"{,.real} || die
+		keepdir /var/lib/snapd/apparmor/profiles
+	fi
+	keepdir /var/lib/snapd/{apparmor/snap-confine,cache,cookie,snap,void}
+	fperms 700 /var/lib/snapd/{cache,cookie}
+
+	dobin "${GOBIN}/"{snap,snapctl}
+	ln "${ED}/usr/bin/snapctl" "${ED}/usr/lib/snapd/snapctl" || die
+
+	exeinto /usr/lib/snapd
+	doexe "${GOBIN}/"{snapd,snap-bootstrap,snap-failure,snap-exec,snap-preseed,snap-recovery-chooser,snap-repair,snap-seccomp,snap-update-ns} \
+		"${MY_S}/"{cmd/snap-confine/snap-device-helper,cmd/snap-discard-ns/snap-discard-ns,cmd/snap-gdb-shim/snap-gdb-shim,cmd/snap-mgmt/snap-mgmt} \
+		"${MY_S}/data/completion/bash/"{complete.sh,etelpmoc.sh,}
+
+	dobashcomp "${MY_S}/data/completion/bash/snap"
+
+	insinto /usr/share/zsh/site-functions
+	doins "${MY_S}/data/completion/zsh/_snap"
+
+	insinto "/usr/share/polkit-1/actions"
+	doins "${MY_S}/data/polkit/io.snapcraft.snapd.policy"
+
+	dodoc "${MY_S}/packaging/ubuntu-16.04/changelog"
+	domo "${MY_S}/po/"*.mo
+
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	readme.gentoo_print_elog
+	xdg_desktop_database_update
+
+	if use apparmor && [[ -z ${ROOT} && -e /sys/kernel/security/apparmor/profiles &&
+		$(wc -l < /sys/kernel/security/apparmor/profiles) -gt 0 ]]; then
+		apparmor_parser -r "${EPREFIX}/etc/apparmor.d/usr.lib.snapd.snap-confine.real"
+	fi
+}
+
+pkg_postrm() {
+	xdg_desktop_database_update
+}