foot, vintage fonts, scope operator

pkgs/rbw-helper.nix

@@ -0,0 +1,44 @@
+{ pkgs, ... }:
+pkgs.writeTextFile {
+  name = "rbw-helper";
+  text = ''
+    declare -A params
+
+    if [ "x$1" == "xget" ]; then
+        read line
+        while [ -n "$line" ]; do
+            key=$\{line%%=*}
+            value=$\{line#*=}
+            params[$key]=$value
+            read line
+        done
+
+        if [ "x$\{params['protocol']}" != "xhttps" ]; then
+            exit
+        fi
+
+        if [ -z "$\{params["host"]}" ]; then
+            exit
+        fi
+
+        rbw ls > /dev/null 2>&1
+        if [ $? -ne 0 ]; then
+            echo "Please login to rbw to use git credential helper" > /dev/stderr
+            exit
+        fi
+
+        user=`rbw get --full $\{params["host"]} | grep "Username:" | cut -d' ' -f2-`
+        pass=`rbw get $\{params["host"]}`
+
+        if [ "x$user" == "x" ] || [ "x$pass" == "x" ]; then
+            echo "Couldn't find host in rbw DB." > /dev/stderr
+            exit
+        fi
+
+        echo username=$user
+        echo password=$pass
+    fi
+  '';
+  executable = true;
+  destination = "/bin/git-credential-rw";
+}