app-backup/borgbackup: Sync the live ebuild

Signed-off-by: Michał Górny <mgorny@gentoo.org>

app-backup/borgbackup/borgbackup-9999.ebuild

@@ -4,15 +4,16 @@
 EAPI=8
 
 PYTHON_COMPAT=( python3_{9..11} )
+DISTUTILS_USE_PEP517=setuptools
 
-inherit distutils-r1
+inherit distutils-r1 bash-completion-r1
 
 if [[ ${PV} == "9999" ]] ; then
 	EGIT_REPO_URI="https://github.com/${PN}/borg.git"
 	inherit git-r3
 else
-	SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 	KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
+	inherit pypi
 fi
 
 DESCRIPTION="Deduplicating backup program with compression and authenticated encryption"
@@ -44,4 +45,12 @@ DEPEND="
 src_install() {
 	distutils-r1_src_install
 	doman docs/man/*
+
+	dobashcomp scripts/shell_completions/bash/borg
+
+	insinto /usr/share/zsh/site-functions
+	doins scripts/shell_completions/zsh/_borg
+
+	insinto /usr/share/fish/vendor_completions.d
+	doins scripts/shell_completions/fish/borg.fish
 }