Merge branch 'feature/use-shld'

1 files changed, 47 insertions, 0 deletions

diff --git a/src/cmd/help.sh b/src/cmd/help.sh
new file mode 100644
index 0000000..c699c73
--- /dev/null
+++ b/src/cmd/help.sh
@@ -0,0 +1,47 @@
+# "help" command
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# This file is part of the ProteanOS Development Kit.
+#
+# The ProteanOS Development Kit is free software: you can redistribute
+# it and/or modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# The ProteanOS Development Kit is distributed in the hope that it
+# will be useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the ProteanOS Development Kit.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+cmd_help_main()
+{
+	local cmd=
+
+	if [ ${#} -eq 1 ]; then
+		cmd="${1}"
+		if is_cmd "${cmd}"; then
+			print_cmd_usage "${cmd}"
+			return 0
+		fi
+	fi
+
+	printf "$(get_msg 'cmd_help_head')\n\n" "${0}"
+
+	printf "$(get_msg 'cmd_help_opts_head')\n"
+	print_opt_summaries
+	printf '\n'
+
+	printf "$(get_msg 'cmd_help_summary_head')\n"
+	print_cmd_summaries
+}
+
+cmd_help_register()
+{
+	register_cmd 'help'
+}
+__init cmd_help_register