home-manager: check output path

In particular, error out if the output path already exists.
2017-01-14 13:02:58 +01:00 · 2017-01-14 13:02:58 +01:00 · e0a37be515
parent d02f8b17ef
commit e0a37be515
1 changed files with 5 additions and 0 deletions
--- a/home-manager/home-manager
+++ b/home-manager/home-manager
@ -11,6 +11,11 @@ function doBuild() {
        exit 1
    fi

+    if [[ -e "$2" ]]; then
+        echo "The output path $2 already exists."
+        exit 1
+    fi
+
    local confFile output
    confFile="$(realpath "$1")"
    output="$(realpath "$2")"