Only run check SIP enablement once in init step (#2441)

Co-authored-by: Henry Mercer <henrymercer@github.com>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

lib/environment.js

@@ -43,6 +43,11 @@ var EnvVar;
     EnvVar["HAS_WARNED_ABOUT_DISK_SPACE"] = "CODEQL_ACTION_HAS_WARNED_ABOUT_DISK_SPACE";
     /** Whether the init action has been run. */
     EnvVar["INIT_ACTION_HAS_RUN"] = "CODEQL_ACTION_INIT_HAS_RUN";
+    /**
+     * For MacOS. Result of `csrutil status` to determine whether System Integrity
+     * Protection is enabled.
+     */
+    EnvVar["IS_SIP_ENABLED"] = "CODEQL_ACTION_IS_SIP_ENABLED";
     /** UUID representing the current job run. */
     EnvVar["JOB_RUN_UUID"] = "JOB_RUN_UUID";
     /** Status for the entire job, submitted to the status report in `init-post` */

lib/environment.js.map

@@ -1 +1 @@
-{"version":3,"file":"environment.js","sourceRoot":"","sources":["../src/environment.ts"],"names":[],"mappings":";;;AAAA;;;;;GAKG;AACH,IAAY,MAqFX;AArFD,WAAY,MAAM;IAChB,2DAA2D;IAC3D,+FAAqF,CAAA;IAErF,6DAA6D;IAC7D,mGAAyF,CAAA;IAEzF;;;OAGG;IACH,4CAAkC,CAAA;IAElC,gEAAgE;IAChE,qEAA2D,CAAA;IAE3D;;;OAGG;IACH,yFAA+E,CAAA;IAE/E;;;OAGG;IACH,yEAA+D,CAAA;IAE/D,gFAAgF;IAChF,6DAAmD,CAAA;IAEnD;;;OAGG;IACH,uEAA6D,CAAA;IAE7D,gEAAgE;IAChE,mEAAyD,CAAA;IAEzD,kFAAkF;IAClF,mFAAyE,CAAA;IAEzE,4CAA4C;IAC5C,4DAAkD,CAAA;IAElD,6CAA6C;IAC7C,uCAA6B,CAAA;IAE7B,+EAA+E;IAC/E,iDAAuC,CAAA;IAEvC,mEAAyD,CAAA;IAEzD;;;OAGG;IACH,2FAAiF,CAAA;IAEjF,mFAAmF;IACnF,6FAAmF,CAAA;IAEnF,qFAAqF;IACrF,+CAAqC,CAAA;IAErC,mEAAyD,CAAA;IAEzD,kEAAkE;IAClE,2CAAiC,CAAA;IAEjC;;;;;;OAMG;IACH,4DAAkD,CAAA;IAElD;;;OAGG;IACH,wDAA8C,CAAA;AAChD,CAAC,EArFW,MAAM,sBAAN,MAAM,QAqFjB"}
+{"version":3,"file":"environment.js","sourceRoot":"","sources":["../src/environment.ts"],"names":[],"mappings":";;;AAAA;;;;;GAKG;AACH,IAAY,MA2FX;AA3FD,WAAY,MAAM;IAChB,2DAA2D;IAC3D,+FAAqF,CAAA;IAErF,6DAA6D;IAC7D,mGAAyF,CAAA;IAEzF;;;OAGG;IACH,4CAAkC,CAAA;IAElC,gEAAgE;IAChE,qEAA2D,CAAA;IAE3D;;;OAGG;IACH,yFAA+E,CAAA;IAE/E;;;OAGG;IACH,yEAA+D,CAAA;IAE/D,gFAAgF;IAChF,6DAAmD,CAAA;IAEnD;;;OAGG;IACH,uEAA6D,CAAA;IAE7D,gEAAgE;IAChE,mEAAyD,CAAA;IAEzD,kFAAkF;IAClF,mFAAyE,CAAA;IAEzE,4CAA4C;IAC5C,4DAAkD,CAAA;IAElD;;;OAGG;IACH,yDAA+C,CAAA;IAE/C,6CAA6C;IAC7C,uCAA6B,CAAA;IAE7B,+EAA+E;IAC/E,iDAAuC,CAAA;IAEvC,mEAAyD,CAAA;IAEzD;;;OAGG;IACH,2FAAiF,CAAA;IAEjF,mFAAmF;IACnF,6FAAmF,CAAA;IAEnF,qFAAqF;IACrF,+CAAqC,CAAA;IAErC,mEAAyD,CAAA;IAEzD,kEAAkE;IAClE,2CAAiC,CAAA;IAEjC;;;;;;OAMG;IACH,4DAAkD,CAAA;IAElD;;;OAGG;IACH,wDAA8C,CAAA;AAChD,CAAC,EA3FW,MAAM,sBAAN,MAAM,QA2FjB"}

lib/init-action.js

@@ -329,7 +329,7 @@ async function run() {
         if (!(await (0, util_1.codeQlVersionAtLeast)(codeql, "2.15.1")) &&
             process.platform === "darwin" &&
             (process.arch === "arm" || process.arch === "arm64") &&
-            !(await (0, util_1.isSipEnabled)(logger))) {
+            !(await (0, util_1.checkSipEnablement)(logger))) {
             logger.warning("CodeQL versions 2.15.0 and lower are not supported on MacOS ARM machines with System Integrity Protection (SIP) disabled.");
         }
         // From 2.16.0 the default for the python extractor is to not perform any

lib/util.js

@@ -67,7 +67,7 @@ exports.prettyPrintPack = prettyPrintPack;
 exports.checkDiskUsage = checkDiskUsage;
 exports.checkActionVersion = checkActionVersion;
 exports.cloneObject = cloneObject;
-exports.isSipEnabled = isSipEnabled;
+exports.checkSipEnablement = checkSipEnablement;
 const fs = __importStar(require("fs"));
 const os = __importStar(require("os"));
 const path = __importStar(require("path"));
@@ -795,7 +795,7 @@ async function checkDiskUsage(logger) {
         // We avoid running the `df` binary under the hood for macOS ARM runners with SIP disabled.
         if (process.platform === "darwin" &&
             (process.arch === "arm" || process.arch === "arm64") &&
-            !(await isSipEnabled(logger))) {
+            !(await checkSipEnablement(logger))) {
             return undefined;
         }
         const diskUsage = await (0, check_disk_space_1.default)(getRequiredEnvParam("GITHUB_WORKSPACE"));
@@ -868,16 +868,24 @@ var BuildMode;
 function cloneObject(obj) {
     return JSON.parse(JSON.stringify(obj));
 }
-// For MacOS runners: runs `csrutil status` to determine whether System
-// Integrity Protection is enabled.
-async function isSipEnabled(logger) {
+// The first time this function is called, it runs `csrutil status` to determine
+// whether System Integrity Protection is enabled; and saves the result in an
+// environment variable. Afterwards, simply return the value of the environment
+// variable.
+async function checkSipEnablement(logger) {
+    if (process.env[environment_1.EnvVar.IS_SIP_ENABLED] !== undefined &&
+        ["true", "false"].includes(process.env[environment_1.EnvVar.IS_SIP_ENABLED])) {
+        return process.env[environment_1.EnvVar.IS_SIP_ENABLED] === "true";
+    }
     try {
         const sipStatusOutput = await exec.getExecOutput("csrutil status");
         if (sipStatusOutput.exitCode === 0) {
             if (sipStatusOutput.stdout.includes("System Integrity Protection status: enabled.")) {
+                core.exportVariable(environment_1.EnvVar.IS_SIP_ENABLED, "true");
                 return true;
             }
             if (sipStatusOutput.stdout.includes("System Integrity Protection status: disabled.")) {
+                core.exportVariable(environment_1.EnvVar.IS_SIP_ENABLED, "false");
                 return false;
             }
         }