feat(pipenv): add fallback 3rd party completion loader (#1020)

* feat(pipenv): add fallback 3rd party completion loader https://pipenv.pypa.io/en/latest/shell/#shell-completion Co-authored-by: Koichi Murase <[email protected]>
scop · Aug 28, 2023 · 6ecf5bd · 6ecf5bd
1 parent e2e11e6
commit 6ecf5bd
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diff --git a/completions/Makefile.am b/completions/Makefile.am
@@ -316,6 +316,7 @@ bashcomp_DATA = 2to3 \
 		pidof \
 		pine \
 		ping \
+		_pipenv \
 		pkg-config \
 		pkg-get \
 		pkg_delete \

diff --git a/completions/_pipenv b/completions/_pipenv
@@ -0,0 +1,15 @@
+# 3rd party completion loader for commands emitting        -*- shell-script -*-
+# their completion using "_${cmdname^^}_COMPLETE=bash_source $cmd".
+# This pattern is used by programs built with https://click.palletsprojects.com
+#
+# This serves as a fallback in case the completion is not installed otherwise.
+
+eval -- "$(
+    # shellcheck disable=SC2154
+    ucname="${cmdname^^}"
+    ucname=${ucname//-/_}
+    export "_${ucname}_COMPLETE=bash_source"
+    "$1" 2>/dev/null
+)"
+
+# ex: filetype=sh
diff --git a/test/fallback/completions/Makefile.am b/test/fallback/completions/Makefile.am
@@ -24,6 +24,7 @@ EXTRA_DIST = \
 	newgrp \
 	nmcli \
 	nox \
+	pipenv \
 	renice \
 	repomanage \
 	reptyr \

diff --git a/test/fallback/completions/pipenv b/test/fallback/completions/pipenv
@@ -0,0 +1 @@
+../../../completions/_pipenv