Added modular configuration mechanism.

[ion3.git] / debian / install-ion3-cfg

diff --git a/debian/install-ion3-cfg b/debian/install-ion3-cfg
new file mode 100755 (executable)
index 0000000..9fab5bc
--- /dev/null
+++ b/debian/install-ion3-cfg
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+set -e
+
+usage() {
+    echo >&2 "Usage: install-ion3-cfg [--remove] config-basename"
+}
+
+config_dir=/etc/X11/ion3
+config_list=$config_dir/cfg_debian_ext.lua
+
+action=add
+
+while true; do
+    case "$1" in
+       -h|--help)
+           usage
+           exit 0
+           ;;
+       --remove)
+           action=remove
+           ;;
+       -*)
+           usage
+           exit 2
+           ;;
+       *)
+           break
+           ;;
+    esac
+    shift
+done
+
+if [ $# -ne 1 ]; then
+    usage
+    exit 2
+fi
+
+name="$1"
+
+case $action in
+    add)
+       if ! [ -f "$config_dir/$name.lua" ]; then
+           echo >&2 "$config_dir/$name.lua does not exist!"
+           exit 2
+       fi
+       if ! egrep -q "^ *dopath *\\( *\"$name\" *\\) *\$" \
+           "$config_list"; then
+           echo "dopath(\"$name\")" >> "$config_list"
+       fi
+       ;;
+    remove)
+       sed -i -r -e "/^ *dopath *\\( *\"$name\" *\\) *\$/d" \
+           "$config_list"
+       ;;
+esac