Implement GCL_PROJECT_DIR_ON_HOST (#1471)

* Implement GCL_PROJECT_DIR_ON_HOST

* Fix eslint

* Update README.md

* Do the chacha

README.md

@@ -386,6 +386,9 @@ CI_SERVER_PORT: 8443
 CI_SERVER_SHELL_SSH_PORT: 8022
 ```
 
+### Special variables
+- `GCL_PROJECT_DIR_ON_HOST` Absolute path to gitlab-ci-local current working directory on the host machine. Use in docker-executor jobs only.
+
 ## Development
 
 You need nodejs 18+

src/job.ts

@@ -224,6 +224,10 @@ export class Job {
         for (const unsetVariable of argv.unsetVariables) {
             delete this._variables[unsetVariable];
         }
+        // Set GCL_PROJECT_DIR_ON_HOST if docker image
+        if (this.imageName(this._variables)) {
+            this._variables = {...this._variables, ...{GCL_PROJECT_DIR_ON_HOST: cwd}};
+        }
 
         assert(this.scripts || this.trigger, chalk`{blueBright ${this.name}} must have script specified`);
 

tests/test-cases/image/.gitlab-ci.yml

@@ -8,7 +8,7 @@ default:
 test job:
   extends: .image
   script:
-    - echo "Test something"
+    - echo "Test something ${GCL_PROJECT_DIR_ON_HOST}"
 
 test-entrypoint:
   # This image have an `echo ${MULTILINE_VARIABLE}` in its entry point

tests/test-cases/image/integration.test.ts

@@ -18,7 +18,10 @@ test.concurrent("image <test job>", async () => {
         cwd: "tests/test-cases/image",
         job: ["test job"],
     }, writeStreams);
-    const expected = [chalk`{blueBright test job} {greenBright >} Test something`];
+
+    const projectDirOnHost = `${process.cwd()}/tests/test-cases/image`;
+
+    const expected = [chalk`{blueBright test job} {greenBright >} Test something ${projectDirOnHost}`];
     expect(writeStreams.stdoutLines).toEqual(expect.arrayContaining(expected));
 });
 

tests/test-cases/predefined-variables/integration.test.ts

@@ -70,6 +70,7 @@ const envVars: {[key: string]: string} = {
     CI_SERVER_URL: "https://gitlab.com",
     CI_TEMPLATE_REGISTRY_HOST: "registry.gitlab.com",
     FF_DISABLE_UMASK_FOR_DOCKER_EXECUTOR: "false",
+    GCL_PROJECT_DIR_ON_HOST: "", // this will get dynamicly filled
     GITLAB_CI: "false",
     GITLAB_USER_EMAIL: "[email protected]",
     GITLAB_USER_ID: "990",
@@ -118,6 +119,8 @@ describe("predefined-variables", () => {
             noColor: true,
         }, writeStreams);
 
+        envVars["GCL_PROJECT_DIR_ON_HOST"] = `${process.cwd()}/tests/test-cases/predefined-variables`;
+
         let expected = "";
         Object.keys(envVars).forEach(key => {
             expected += `test-job > ${key}=${envVars[key]}\n`;
@@ -142,6 +145,8 @@ CI_SERVER_SHELL_SSH_PORT: 8022
             noColor: true,
         }, writeStreams);
 
+        envVars["GCL_PROJECT_DIR_ON_HOST"] = `${process.cwd()}/tests/test-cases/predefined-variables`;
+
         envVars["CI_API_V4_URL"] = "https://gitlab.com:8443/api/v4";
         envVars["CI_JOB_URL"] = `https://gitlab.com:8443/GCL/predefined-variables/-/jobs/${mockJobId}`;
         envVars["CI_PIPELINE_URL"] = "https://gitlab.com:8443/GCL/predefined-variables/pipelines/0";