borg: fix template

- really use system lz4 on cross targets (starting with 1.1.4 the env
  var has been renamed to BORG_LIBLZ4_PREFIX)
- build against system zstd
- use pre-built man pages

srcpkgs/borg/template

@@ -1,33 +1,33 @@
 # Template file for 'borg'
 pkgname=borg
 version=1.1.5
-revision=4
+revision=5
 wrksrc="borgbackup-${version}"
 build_style=python3-module
-hostmakedepends="python3-setuptools python3-devel libressl-devel python3-Sphinx"
-makedepends="${hostmakedepends/python3-setuptools/} acl-devel liblz4-devel"
+hostmakedepends="python3-setuptools python3-devel libressl-devel"
+makedepends="${hostmakedepends/python3-setuptools/} acl-devel liblz4-devel libzstd-devel"
 depends="python3-llfuse python3-msgpack python3-setuptools"
 pycompile_module="borg"
 short_desc="Deduplicating backup program with compression and encryption"
 maintainer="Leah Neukirchen <leah@vuxu.org>"
-license="3-clause-BSD"
+license="BSD-3-Clause"
 homepage="https://borgbackup.github.io/"
 _changelog="https://borgbackup.readthedocs.io/en/stable/changes.html#changelog"
 distfiles="${PYPI_SITE}/b/borgbackup/borgbackup-${version}.tar.gz"
 checksum=4356e6c712871f389e3cb1d6382e341ea635f9e5c65de1cd8fcd103d0fb66d3d
 
-export BORG_LZ4_PREFIX="${XBPS_CROSS_BASE}/usr"
 export BORG_OPENSSL_PREFIX="${XBPS_CROSS_BASE}/usr"
+export BORG_LIBLZ4_PREFIX="${XBPS_CROSS_BASE}/usr"
+export BORG_LIBZSTD_PREFIX="${XBPS_CROSS_BASE}/usr"
 
 pre_build() {
-	sed -i '/guzzle/d' docs/conf.py
+	sed -i setup.py \
+		-e '/setup_requires=/d' \
+		-e '/use_scm_version=/,+2d' \
+		-e "/name=/ a\
+		version='${version}',"
 	# python-msgpack had a name transition from python-msgpack to msgpack
-	# adapt.
-	sed -i 's/msgpack-python/msgpack/g' setup.py
-	sed -i 's/,<0\.5\.0//' setup.py src/borgbackup.egg-info/requires.txt
-}
-post_build() {
-	PYTHONPATH=.. make -C docs man SPHINXBUILD=sphinx-build3
+	sed -i "s/msgpack-python>=.*/msgpack',/g" setup.py
 }
 post_install() {
 	vlicense LICENSE