borg: added all man-pages and shell completions

Closes: #10415 [via git-merge-pr]

srcpkgs/borg/template

@@ -1,7 +1,7 @@
 # Template file for 'borg'
 pkgname=borg
 version=1.1.4
-revision=1
+revision=2
 wrksrc="borgbackup-${version}"
 build_style=python3-module
 hostmakedepends="python3-setuptools python3-devel libressl-devel python3-Sphinx"
@@ -27,5 +27,14 @@ post_build() {
 }
 post_install() {
 	vlicense LICENSE
-	vman docs/_build/man/borg.1
+
+	for f in docs/man/*.1 ; do
+		vman $f
+	done
+
+	cd scripts/shell_completions
+	vinstall bash/${pkgname} 644 usr/share/bash-completion/completions ${pkgname}
+	vinstall fish/${pkgname}.fish 644 usr/share/fish/completions ${pkgname}.fish
+	vinstall zsh/_${pkgname} 644 usr/share/zsh/site-functions _${pkgname}
+	cd ../..
 }