ensure /tmp/build-features dir exists

Author: trxcllnt

src/spec-configuration/containerFeaturesConfiguration.ts

@@ -319,6 +319,7 @@ function escapeQuotesForShell(input: string) {
 
 export function getFeatureLayers(featuresConfig: FeaturesConfig, containerUser: string, remoteUser: string, useBuildKitBuildContexts = false, contentSourceRootPath = '/tmp/build-features/') {
 	let result = `RUN \\
+mkdir -p /tmp/build-features && \\
 echo "_CONTAINER_USER_HOME=$(getent passwd ${containerUser} | cut -d: -f6)" >> /tmp/build-features/devcontainer-features.builtin.env && \\
 echo "_REMOTE_USER_HOME=$(getent passwd ${remoteUser} | cut -d: -f6)" >> /tmp/build-features/devcontainer-features.builtin.env
 

src/test/container-features/generateFeaturesConfig.test.ts

@@ -72,6 +72,7 @@ describe('validate generateFeaturesConfig()', function () {
         // getFeatureLayers
         const actualLayers = getFeatureLayers(featuresConfig, 'testContainerUser', 'testRemoteUser');
         const expectedLayers = `RUN \\
+mkdir -p /tmp/build-features && \\
 echo "_CONTAINER_USER_HOME=$(getent passwd testContainerUser | cut -d: -f6)" >> /tmp/build-features/devcontainer-features.builtin.env && \\
 echo "_REMOTE_USER_HOME=$(getent passwd testRemoteUser | cut -d: -f6)" >> /tmp/build-features/devcontainer-features.builtin.env