Add possible terminal with no history reference

1 files changed, 82 insertions, 0 deletions

diff --git a/.local/bin/term b/.local/bin/term
new file mode 100755
index 0000000..aabea8e
--- /dev/null
+++ b/.local/bin/term
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# This program 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 Affero General Public License for more
+# details.
+
+# A list of possible terminal emulators, sorted by preference
+TERMINALS="
+	termite
+	st
+	urxvt
+	rxvt
+	xterm
+"
+
+main()
+{
+	# Handle opts
+	while getopts ":hc" opt
+	do
+		case "$opt" in
+			c) OPT_NO_HIST=1 ;;
+			h) usage && exit 0 ;;
+			*)
+				printf "Invalid option passed: %s\n" "$OPTARG" >&2
+				;;
+		esac
+	done
+
+	shift $(( OPTIND - 1 ))
+
+	# Unset history related environment variables if requested
+	if [ "$OPT_NO_HIST" ]
+	then
+		unset HISTFILE
+		unset HISTSIZE
+		unset SAVEHIST
+
+		export TERM_NO_HISTORY=1
+	fi
+
+	# Check the list of possible terminal emulators, and exec the first one
+	# that's available
+	for terminal in $TERMINALS
+	do
+		command -v "$terminal" > /dev/null || continue
+
+		exec "$terminal" "$@"
+	done
+
+	# No usable terminal found, print error
+	printf "No suitable terminal emulator found. The following were tried:\n"
+
+	for terminal in $TERMINALS
+	do
+		printf "\t%s\n" "$terminal"
+	done
+
+	exit 127
+}
+
+usage()
+{
+	cat <<EOF
+Usage:
+	${0##*/} -h
+
+Nondescript
+
+Options:
+	-h  Show this help text and exit.
+	-c  Unset HISTFILE before starting the terminal.
+EOF
+}
+
+main "$@"