[gentoo-python] [PATCH 4/8] distutils-r1: rework script install/wrapping.

["Michał Górny" <mgorny@gentoo.org>]

Now scripts are installed to ${PYTHON_SCRIPTDIR} initially, and then are
moved to /usr/bin.
---
 gx86/eclass/distutils-r1.eclass | 47 +++++++++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 18 deletions(-)

diff --git a/gx86/eclass/distutils-r1.eclass b/gx86/eclass/distutils-r1.eclass
index c2872b3..7102c58 100644
--- a/gx86/eclass/distutils-r1.eclass
+++ b/gx86/eclass/distutils-r1.eclass
@@ -409,39 +409,43 @@ distutils-r1_python_test() {
 	:
 }
 
-# @FUNCTION: _distutils-r1_rename_scripts
+# @FUNCTION: _distutils-r1_wrap_scripts
 # @USAGE: <path>
 # @INTERNAL
 # @DESCRIPTION:
-# Renames installed Python scripts to be implementation-suffixed.
-# ${EPYTHON} needs to be set to the implementation name.
-#
-# All executable scripts having shebang referencing ${EPYTHON}
-# in given path will be renamed.
-_distutils-r1_rename_scripts() {
+# Moves and wraps all Python scripts installed to PYTHON_SCRIPTDIR
+# as necessary.
+_distutils-r1_wrap_scripts() {
 	debug-print-function ${FUNCNAME} "${@}"
 
 	local path=${1}
 	[[ ${path} ]] || die "${FUNCNAME}: no path given"
 
+	mkdir -p "${path}/usr/bin" || die
 	local f
 	while IFS= read -r -d '' f; do
-		debug-print "${FUNCNAME}: found executable at ${f#${D}/}"
+		local basename=${f##*/}
+		debug-print "${FUNCNAME}: found executable at ${f#${path}/}"
 
 		local shebang
 		read -r shebang < "${f}"
-		if [[ ${shebang} == '#!'*${EPYTHON}* ]]
-		then
+		if [[ ${shebang} == '#!'*${EPYTHON}* ]]; then
 			debug-print "${FUNCNAME}: matching shebang: ${shebang}"
 
-			local newf=${f}-${EPYTHON}
-			debug-print "${FUNCNAME}: renaming to ${newf#${D}/}"
-			mv "${f}" "${newf}" || die
+			local newfn=${basename}-${EPYTHON}
+			debug-print "${FUNCNAME}: renaming to /usr/bin/${newfn}"
+			mv "${f}" "${ED%/}/usr/bin/${newfn}" || die
+
+			debug-print "${FUNCNAME}: installing wrapper at /usr/bin/${basename}"
+			_python_ln_rel "${path}${EPREFIX}"/usr/bin/python-exec \
+				"${path}${EPREFIX}/usr/bin/${basename}" || die
+		else
+			debug-print "${FUNCNAME}: non-matching shebang: ${shebang}"
 
-			debug-print "${FUNCNAME}: installing wrapper at ${f#${D}/}"
-			_python_ln_rel "${path}${EPREFIX}"/usr/bin/python-exec "${f}" || die
+			debug-print "${FUNCNAME}: moving to /usr/bin/${basename}"
+			mv "${f}" "${ED%/}/usr/bin/${basename}" || die
 		fi
-	done < <(find "${path}" -type f -executable -print0)
+	done < <(find "${path}/${PYTHON_SCRIPTDIR}" -type f -print0)
 }
 
 # @FUNCTION: distutils-r1_python_install
@@ -474,15 +478,22 @@ distutils-r1_python_install() {
 
 	local root=${D}/_${EPYTHON}
 	[[ ${DISTUTILS_SINGLE_IMPL} ]] && root=${D}
+	flags+=( --root="${root}" )
+
+	if [[ ! ${DISTUTILS_SINGLE_IMPL} ]]; then
+		local PYTHON_SCRIPTDIR
+		python_export PYTHON_SCRIPTDIR
+		flags+=( --install-scripts="${PYTHON_SCRIPTDIR}" )
+	fi
 
-	esetup.py install "${flags[@]}" --root="${root}" "${@}"
+	esetup.py install "${flags[@]}" "${@}"
 
 	if [[ -d ${root}$(python_get_sitedir)/tests ]]; then
 		die "Package installs 'tests' package, file collisions likely."
 	fi
 
 	if [[ ! ${DISTUTILS_SINGLE_IMPL} ]]; then
-		_distutils-r1_rename_scripts "${root}"
+		_distutils-r1_wrap_scripts "${root}"
 		multibuild_merge_root "${root}" "${D}"
 	fi
 }
-- 
1.8.3.2