Add nix-script channel command, which is a caller itself

1 files changed, 55 insertions, 0 deletions

diff --git a/nix-script-channel.sh b/nix-script-channel.sh
new file mode 100755
index 0000000..6a24eca
--- /dev/null
+++ b/nix-script-channel.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+# Level-2 wrapper to be able to
+#
+#   nix-script channel <command>
+
+source $(dirname ${BASH_SOURCE[0]})/nix-utils.sh
+
+export VERBOSE
+
+usage() {
+    cat <<EOS >&2
+    $(help_synopsis "${BASH_SOURCE[0]}" "[-h] [-l] <command>")
+
+    -l  List all available commands
+    -h  Show this help and exit
+
+$(help_end "channel")
+EOS
+}
+
+while getopts "hl" OPTION
+do
+    case $OPTION in
+        h)
+            usage
+            exit 0
+            ;;
+
+        l)
+            caller_util_list_subcommands_for "nix-script-channel"
+            exit 0
+            ;;
+        *)
+            ;;
+    esac
+done
+
+if [[ -z "$1" ]]
+then
+    # no command available
+    stderr "No command given"
+    usage
+    exit 1
+fi
+
+SCRIPT=$(caller_util_get_script "nix-script-channel" "$1")
+[[ -z "$SCRIPT" ]] && exit 1
+stdout "SCRIPT = $SCRIPT"
+
+stdout "Parsing args for '$1'"
+SCRIPT_ARGS=$(echo $* | sed -r "s/(.*)$1(.*)/\2/")
+
+stdout "Calling: '$SCRIPT $SCRIPT_ARGS'"
+RC_CONFIG=$RC_CONFIG RC_NIXPKGS=$RC_NIXPKGS exec bash $SCRIPT $SCRIPT_ARGS