1 files changed, 39 insertions, 0 deletions
diff --git a/pkgs/misc/vscode-extensions/updateSettings.nix b/pkgs/misc/vscode-extensions/updateSettings.nix
new file mode 100644
index 000000000000..a033229c5898
--- /dev/null
+++ b/pkgs/misc/vscode-extensions/updateSettings.nix
@@ -0,0 +1,39 @@
+# Updates the vscode setting file base on a nix expression
+# should run from the workspace root.
+{ writeShellScriptBin
+, lib
+, jq
+}:
+##User Input
+{ settings      ? {}
+# if marked as true will create an empty json file if does not exists
+, createIfDoesNotExists ? true
+, vscodeSettingsFile ? ".vscode/settings.json"
+, userSettingsFolder ? ""
+, symlinkFromUserSetting ? false
+}:
+let
+
+  updateVSCodeSettingsCmd = ''
+  (
+    echo 'updateSettings.nix: Updating ${vscodeSettingsFile}...' 
+    oldSettings=$(cat ${vscodeSettingsFile})
+    echo $oldSettings' ${builtins.toJSON settings}' | ${jq}/bin/jq -s add > ${vscodeSettingsFile}
+  )'';
+
+  createEmptySettingsCmd = ''mkdir -p .vscode && echo "{}" > ${vscodeSettingsFile}'';
+  fileName = builtins.baseNameOf vscodeSettingsFile;
+  symlinkFromUserSettingCmd = lib.optionalString symlinkFromUserSetting
+    '' && mkdir -p "${userSettingsFolder}" && ln -sfv "$(pwd)/${vscodeSettingsFile}" "${userSettingsFolder}/" '';
+in 
+
+  writeShellScriptBin ''vscodeNixUpdate-${lib.removeSuffix ".json" (fileName)}''
+  (lib.optionalString (settings != {}) 
+    (if createIfDoesNotExists then ''
+      [ ! -f "${vscodeSettingsFile}" ] && ${createEmptySettingsCmd}
+      ${updateVSCodeSettingsCmd} ${symlinkFromUserSettingCmd}
+    ''
+    else ''[ -f "${vscodeSettingsFile}" ] && ${updateVSCodeSettingsCmd} ${symlinkFromUserSettingCmd}
+    ''
+    )
+  )