Use /usr/bin/python when PORTAGE_PYTHON variable is empty.

It avoids some errors during upgrade from older Portage versions.

5 files changed, 9 insertions, 9 deletions

diff --git a/bin/ebuild-helpers/dohtml b/bin/ebuild-helpers/dohtml
index 6de730c6d..cb29dc3f3 100755
--- a/bin/ebuild-helpers/dohtml
+++ b/bin/ebuild-helpers/dohtml
@@ -7,7 +7,7 @@ source "${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}"/isolated-functions.sh
 PORTAGE_BIN_PATH=${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}
 PORTAGE_PYM_PATH=${PORTAGE_PYM_PATH:-/usr/lib/portage/pym}
 PYTHONPATH=$PORTAGE_PYM_PATH${PYTHONPATH:+:}$PYTHONPATH \
-	"$PORTAGE_PYTHON" "$PORTAGE_BIN_PATH/dohtml.py" "$@"
+	"${PORTAGE_PYTHON:-/usr/bin/python}" "$PORTAGE_BIN_PATH/dohtml.py" "$@"
 
 ret=$?
 [[ $ret -ne 0 ]] && helpers_die "$0 failed"
diff --git a/bin/ebuild-helpers/portageq b/bin/ebuild-helpers/portageq
index 8dee54c32..ec30b66cb 100755
--- a/bin/ebuild-helpers/portageq
+++ b/bin/ebuild-helpers/portageq
@@ -5,4 +5,4 @@
 PORTAGE_BIN_PATH=${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}
 PORTAGE_PYM_PATH=${PORTAGE_PYM_PATH:-/usr/lib/portage/pym}
 PYTHONPATH=$PORTAGE_PYM_PATH${PYTHONPATH:+:}$PYTHONPATH \
-	exec "$PORTAGE_PYTHON" "$PORTAGE_BIN_PATH/portageq" "$@"
+	exec "${PORTAGE_PYTHON:-/usr/bin/python}" "$PORTAGE_BIN_PATH/portageq" "$@"
diff --git a/bin/ebuild-ipc b/bin/ebuild-ipc
index 45d0f15b8..43e4a02ae 100755
--- a/bin/ebuild-ipc
+++ b/bin/ebuild-ipc
@@ -5,4 +5,4 @@
 PORTAGE_BIN_PATH=${PORTAGE_BIN_PATH:-/usr/lib/portage/bin}
 PORTAGE_PYM_PATH=${PORTAGE_PYM_PATH:-/usr/lib/portage/pym}
 PYTHONPATH=$PORTAGE_PYM_PATH${PYTHONPATH:+:}$PYTHONPATH \
-	exec "$PORTAGE_PYTHON" "$PORTAGE_BIN_PATH/ebuild-ipc.py" "$@"
+	exec "${PORTAGE_PYTHON:-/usr/bin/python}" "$PORTAGE_BIN_PATH/ebuild-ipc.py" "$@"
diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 6a2eeb1e6..e9f4b96cb 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -165,7 +165,7 @@ has_version() {
 	fi
 
 	PYTHONPATH=${PORTAGE_PYM_PATH}${PYTHONPATH:+:}${PYTHONPATH} \
-	"$PORTAGE_PYTHON" "${PORTAGE_BIN_PATH}/portageq" has_version "${ROOT}" "$1"
+	"${PORTAGE_PYTHON:-/usr/bin/python}" "${PORTAGE_BIN_PATH}/portageq" has_version "${ROOT}" "$1"
 	local retval=$?
 	case "${retval}" in
 		0)
@@ -186,7 +186,7 @@ portageq() {
 	fi
 
 	PYTHONPATH=${PORTAGE_PYM_PATH}${PYTHONPATH:+:}${PYTHONPATH} \
-	"$PORTAGE_PYTHON" "${PORTAGE_BIN_PATH}/portageq" "$@"
+	"${PORTAGE_PYTHON:-/usr/bin/python}" "${PORTAGE_BIN_PATH}/portageq" "$@"
 }
 
 
@@ -208,7 +208,7 @@ best_version() {
 	fi
 
 	PYTHONPATH=${PORTAGE_PYM_PATH}${PYTHONPATH:+:}${PYTHONPATH} \
-	"$PORTAGE_PYTHON" "${PORTAGE_BIN_PATH}/portageq" 'best_version' "${ROOT}" "$1"
+	"${PORTAGE_PYTHON:-/usr/bin/python}" "${PORTAGE_BIN_PATH}/portageq" 'best_version' "${ROOT}" "$1"
 	local retval=$?
 	case "${retval}" in
 		0)
@@ -1728,7 +1728,7 @@ filter_readonly_variables() {
 		"
 	fi
 
-	"$PORTAGE_PYTHON" "${PORTAGE_BIN_PATH}"/filter-bash-environment.py "${filtered_vars}" || die "filter-bash-environment.py failed"
+	"${PORTAGE_PYTHON:-/usr/bin/python}" "${PORTAGE_BIN_PATH}"/filter-bash-environment.py "${filtered_vars}" || die "filter-bash-environment.py failed"
 }
 
 # @FUNCTION: preprocess_ebuild_env
diff --git a/bin/misc-functions.sh b/bin/misc-functions.sh
index 8207006ed..0108b001f 100755
--- a/bin/misc-functions.sh
+++ b/bin/misc-functions.sh
@@ -489,7 +489,7 @@ install_qa_check() {
 		done
 		[[ $reset_debug = 1 ]] && set -x
 		f=$(cat "${PORTAGE_LOG_FILE}" | \
-			"$PORTAGE_PYTHON" "$PORTAGE_BIN_PATH"/check-implicit-pointer-usage.py || die "check-implicit-pointer-usage.py failed")
+			"${PORTAGE_PYTHON:-/usr/bin/python}" "$PORTAGE_BIN_PATH"/check-implicit-pointer-usage.py || die "check-implicit-pointer-usage.py failed")
 		if [[ -n ${f} ]] ; then
 
 			# In the future this will be a forced "die". In preparation,
@@ -779,7 +779,7 @@ dyn_package() {
 		bzip2 -cf > "$PORTAGE_BINPKG_TMPFILE"
 	assert "failed to pack binary package: '$PORTAGE_BINPKG_TMPFILE'"
 	PYTHONPATH=${PORTAGE_PYM_PATH}${PYTHONPATH:+:}${PYTHONPATH} \
-		"$PORTAGE_PYTHON" "$PORTAGE_BIN_PATH"/xpak-helper.py recompose \
+		"${PORTAGE_PYTHON:-/usr/bin/python}" "$PORTAGE_BIN_PATH"/xpak-helper.py recompose \
 		"$PORTAGE_BINPKG_TMPFILE" "$PORTAGE_BUILDDIR/build-info"
 	if [ $? -ne 0 ]; then
 		rm -f "${PORTAGE_BINPKG_TMPFILE}"