Move and partially rewrite output library module.

1 files changed, 61 insertions, 0 deletions

diff --git a/lib/output.sh b/lib/output.sh
new file mode 100644
index 0000000..f5bfd34
--- /dev/null
+++ b/lib/output.sh
@@ -0,0 +1,61 @@
+# opkbuild
+# lib/output
+# Functions for printing messages.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program 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.
+#
+# 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+[ -n "${_OB_MESSAGES_SH}" ] && return 0
+_OB_MESSAGES_SH=true
+
+. @@LIBOPKBUILD@@/locale.sm
+
+# TODO: Which of these should print to the standard error stream – just
+# ob_error() and ob_warn()?
+
+ob_error()
+{
+	printf '%s: Error: ' "${0##*/}"
+	printf "${@}"
+	printf '\n'
+
+	exit 1
+}
+
+ob_warn()
+{
+	if [ ${#} -eq 0 ]; then
+		return 125
+	fi
+
+	printf '%s: Warning: ' "${0##*/}"
+	printf "${@}"
+	printf '\n'
+
+	return 0
+}
+
+ob_info()
+{
+	if [ ${#} -eq 0 ]; then
+		return 125
+	fi
+
+	printf '%s: ' "${0##*/}"
+	printf "${@}"
+	printf '\n'
+
+	return 0
+}