ADD fnm

fnm.json

@@ -0,0 +1,25 @@
+{
+    "homepage": "https://github.com/Schniz/fnm"
+    , "version": "1.22.5"
+    , "license": "GPLv3"
+    , "url": "https://github.com/Schniz/fnm/releases/download/v1.22.5/fnm-windows.zip"
+    , "hash": "sha256:fe4f3f71b39577d47e545236171f3efdde85acfd3d0313e3ff7f3196c1c92a07"
+    , "bin": "fnm.exe"
+    , "env_set": {
+        "FNM_HOME": "$HOME\\.fnm"
+        , "FNM_LOGLEVEL": "info"
+        , "FNM_MULTISHELL_PATH": ""
+        , "FNM_NODE_DIST_MIRROR": "https://nodejs.org/dist"
+    }
+    , "post_install": "
+        # * FNM_MULTISHELL_PATH is reset by `fnm`; use this 'post_install' to setup FNM's preferred value
+        & $dir\\fnm.exe env | select-string -pattern \"env:FNM\" | out-string | invoke-expression
+        $val = $env:FNM_MULTISHELL_PATH
+        env FNM_MULTISHELL_PATH -t $global $val
+        env FNM_MULTISHELL_PATH $val
+        ensure_in_path \"$env:FNM_MULTISHELL_PATH\" $global
+        "
+    , "uninstaller": {
+        "script": "remove_from_path \"$env:FNM_MULTISHELL_PATH\" $global"
+    }
+}