dev-python/typer: install shell completions for typer command

dev-python/typer/typer-0.12.1.ebuild

@@ -6,7 +6,7 @@ EAPI=8
 PYTHON_COMPAT=( python3_{10..12} )
 DISTUTILS_USE_PEP517=pdm-backend
 
-inherit distutils-r1
+inherit distutils-r1 shell-completion
 
 DESCRIPTION="Build great CLIs. Easy to code. Based on Python type hints."
 HOMEPAGE="
@@ -14,9 +14,7 @@ HOMEPAGE="
 	https://github.com/tiangolo/typer
 	https://pypi.org/project/typer/
 "
-SRC_URI="
-	https://github.com/tiangolo/${PN}/archive/${PV}.tar.gz
-		-> ${P}.gh.tar.gz"
+SRC_URI="https://github.com/tiangolo/${PN}/archive/${PV}/${P}.gh.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
@@ -46,3 +44,12 @@ src_test() {
 
 	distutils-r1_src_test "${@}"
 }
+
+src_install() {
+	distutils-r1_src_install "${@}"
+
+	export _TYPER_COMPLETE_TEST_DISABLE_SHELL_DETECTION=1
+	newzshcomp <(python -m typer --show-completion zsh) "_${PN}"
+	newfishcomp <(python -m typer --show-completion fish) "${PN}.fish"
+	newbashcomp <(python -m typer --show-completion bash) "${PN}"
+}