kdb: add test for external command specification

tests/shell/shell_recorder/CMakeLists.txt

@@ -31,6 +31,7 @@ if (ENABLE_KDB_TESTING)
 	configure_file ("${CMAKE_CURRENT_SOURCE_DIR}/tutorial_wrapper/markdown_shell_recorder.sh"
 			"${CMAKE_CURRENT_BINARY_DIR}/tutorial_wrapper/markdown_shell_recorder.sh" @ONLY)
 
+	add_shell_recorder_test (cli/cli_external_spec.esr)
 	add_shell_recorder_test (cli/cli_get.esr)
 	add_shell_recorder_test (cli/cli_set.esr)
 	add_shell_recorder_test (db_changes.esr)

tests/shell/shell_recorder/cli/cli_external_spec.esr

@@ -0,0 +1,37 @@
+Mountpoint: user:/tests/cli/external
+
+< kdb set spec:/sw/elektra/kdb/#0/current/trash ""
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash external 1
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash bin "/path/to/trash.sh"
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash command "trash"
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash description "Move a file to trash"
+< kdb set spec:/sw/elektra/kdb/#0/current/trash/file ""
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/file description "The file that should be moved to trash"
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/file args/index 0
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/file args indexed
+< kdb set spec:/sw/elektra/kdb/#0/current/trash/force ""
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/force description "Delete the file directly"
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/force opt f
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/force opt/long force
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/force opt/arg none
+
+STDERR: .*trash\s+Move a file to trash.*
+< kdb --help
+
+STDERR: .*Usage: kdb trash \[OPTION...\] <file>.*file\s+The file that should be moved to trash.*
+< kdb trash --help
+
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash/file description "The file that will be moved to trash"
+
+STDERR: .*Usage: kdb trash \[OPTION...\] <file>.*file\s+The file that will be moved to trash.*
+< kdb trash --help
+
+< kdb meta-set spec:/sw/elektra/kdb/#0/current/trash command "delete"
+
+STDERR: .*delete\s+Move a file to trash.*
+< kdb --help
+
+STDERR: .*Usage: kdb delete \[OPTION...\] <file>.*file\s+The file that will be moved to trash.*
+< kdb delete --help
+
+< kdb rm -rf spec:/sw/elektra/kdb/#0/current/trash