basic support of OCI image command environment, entrypoint and command line (#796)

vgrebenschikov · web-flow · commit a3bcd9f2ce60 · 2025-03-27T23:07:28.000+03:00
diff --git a/sudoexec/jcreate b/sudoexec/jcreate
@@ -428,6 +428,23 @@ if [ -n "${from}" ]; then
 
 	. ${temprcconf}
 
+	if [ -n "$from_md5" -a -n "${BUILDAH_CMD}" ]; then
+		JQ_CMD=$( which jq )
+
+		${BUILDAH_CMD} --root ${workdir}/basejail/buildah images -n | while read _path _tag _image_id _rest; do
+			_md5_ver=$(${miscdir}/cbsd_md5 "${_path}:${_tag}")
+			_md5_nover=$(${miscdir}/cbsd_md5 "${_path}")
+			if [ "${from_md5}" = "${_md5_ver}" -o "${from_md5}" = "${_md5_nover}" ]; then
+				_exec_start=$(${BUILDAH_CMD} --root ${workdir}/basejail/buildah inspect ${_image_id} \
+					| ${JQ_CMD}  -r '.OCIv1.config | (.Env + .Entrypoint + .Cmd) | map("\"" + . + "\"") | join(" ")' \
+				)
+
+				jset jname=${jname} exec_start="/bin/env ${_exec_start}" exec_stop="/bin/kill -TERM 1"
+				break
+			fi
+		done
+	fi
+
 	for i in ${MYOPTARG}; do
 		case "${i}" in
 			jname|from|removejconf)
