app-backup/rdiff-backup: manually install manpages

Using build/ generates errors when multiple python version are enabled

Closes: https://bugs.gentoo.org/887261
Signed-off-by: Bernard Cafarelli <voyageur@gentoo.org>

app-backup/rdiff-backup/files/rdiff-backup-2.2.0-no-manpages.patch

@@ -0,0 +1,35 @@
+diff -Naur rdiff-backup-2.2.0.orig/setup.py rdiff-backup-2.2.0/setup.py
+--- rdiff-backup-2.2.0.orig/setup.py	2022-12-18 09:19:30.000000000 +0100
++++ rdiff-backup-2.2.0/setup.py	2022-12-19 22:00:43.289239007 +0100
+@@ -283,10 +283,7 @@
+         ),
+     ],
+     data_files=[
+-        ("share/man/man1", ["build/rdiff-backup.1",
+-                            "build/rdiff-backup-old.1",
+-                            "build/rdiff-backup-delete.1",
+-                            "build/rdiff-backup-statistics.1"]),
++        ("share/man/man1", ["build/rdiff-backup-old.1"]),
+         (
+             "share/doc/rdiff-backup", [
+                 "CHANGELOG.adoc",
+@@ -311,19 +308,6 @@
+             ("tools/rdiff-backup.spec.template-fedora", "build/rdiff-backup.fedora.spec"),
+             ("docs/rdiff-backup-old.1", "build/rdiff-backup-old.1"),
+         ]},
+-        "build_exec": {"commands": [
+-            ("asciidoctor -b manpage -a revdate=\"{date}\" "
+-             "-a revnumber=\"{ver}\" -o {outfile} {infile}",
+-             ("docs", "rdiff-backup.1.adoc"), ("build", "rdiff-backup.1")),
+-            ("asciidoctor -b manpage -a revdate=\"{date}\" "
+-             "-a revnumber=\"{ver}\" -o {outfile} {infile}",
+-             ("docs", "rdiff-backup-statistics.1.adoc"),
+-             ("build", "rdiff-backup-statistics.1")),
+-            ("asciidoctor -b manpage -a revdate=\"{date}\" "
+-             "-a revnumber=\"{ver}\" -o {outfile} {infile}",
+-             ("docs", "rdiff-backup-delete.1.adoc"),
+-             ("build", "rdiff-backup-delete.1")),
+-        ]},
+     },
+     cmdclass={
+         'build_exec': build_exec,

app-backup/rdiff-backup/rdiff-backup-2.2.0.ebuild

@@ -26,10 +26,16 @@ RDEPEND="dev-python/pylibacl[${PYTHON_USEDEP}]
 	dev-python/pyxattr[${PYTHON_USEDEP}]
 	>=net-libs/librsync-1.0:0="
 
-src_prepare() {
-	mkdir build || die
-	cp "${S}"-manpages/*.1 build || die
+PATCHES=(
+	"${FILESDIR}/${PN}-2.2.0-no-manpages.patch"
+)
 
+src_prepare() {
 	sed -e "s#share/doc/${PN}#share/doc/${PF}#" -i setup.py || die
 	default
 }
+
+python_install_all() {
+	distutils-r1_python_install_all
+	doman "${S}"-manpages/*.1
+}