From e8297ea25db82a143325b1392ffc123859b51b97 Mon Sep 17 00:00:00 2001
From: Dima Golovinov <dmitry.golovinov@jetbrains.com>
Date: Thu, 10 Oct 2024 15:28:00 +0200
Subject: [PATCH 1/2] :bug: Fix revision ids for analysing pull requests

---
 scan/src/utils.ts | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/scan/src/utils.ts b/scan/src/utils.ts
index ed58b909..0315cb98 100644
--- a/scan/src/utils.ts
+++ b/scan/src/utils.ts
@@ -46,6 +46,7 @@ import path from 'path'
 import * as fs from 'fs'
 import * as os from 'os'
 import {COMMIT_EMAIL, COMMIT_USER, prFixesBody} from './output'
+import {ExecOutput} from '@actions/exec'
 
 export const ANALYSIS_FINISHED_REACTION = '+1'
 export const ANALYSIS_STARTED_REACTION = 'eyes'
@@ -90,16 +91,35 @@ export function getInputs(): Inputs {
   }
 }
 
-function getPrSha(): string {
+async function getPrSha(): Promise<string> {
   if (process.env.QODANA_PR_SHA) {
     return process.env.QODANA_PR_SHA
   }
   if (github.context.payload.pull_request !== undefined) {
-    return github.context.payload.pull_request.base.sha
+    const output = await gitOutput([
+      'merge-base',
+      github.context.payload.pull_request.base.sha,
+      github.context.payload.pull_request.head.sha
+    ])
+    if (output.exitCode === 0) {
+      return output.stdout.trim()
+    } else {
+      return github.context.payload.pull_request.base.sha
+    }
   }
   return ''
 }
 
+function getHeadSha(): string {
+  if (process.env.QODANA_REVISION) {
+    return process.env.QODANA_REVISION
+  }
+  if (github.context.payload.pull_request !== undefined) {
+    return github.context.payload.pull_request.head.sha
+  }
+  return github.context.sha
+}
+
 /**
  * Runs the qodana command with the given arguments.
  * @param inputs the action inputs.
@@ -113,7 +133,7 @@ export async function qodana(
   if (args.length === 0) {
     args = getQodanaScanArgs(inputs.args, inputs.resultsDir, inputs.cacheDir)
     if (inputs.prMode) {
-      const sha = getPrSha()
+      const sha = await getPrSha()
       if (sha !== '') {
         args.push('--commit', sha)
       }
@@ -124,6 +144,7 @@ export async function qodana(
       ignoreReturnCode: true,
       env: {
         ...process.env,
+        QODANA_REVISION: getHeadSha(),
         NONINTERACTIVE: '1'
       }
     })
@@ -594,6 +615,13 @@ async function git(
   return (await exec.getExecOutput('git', args, options)).exitCode
 }
 
+async function gitOutput(
+  args: string[],
+  options: exec.ExecOptions = {}
+): Promise<ExecOutput> {
+  return await exec.getExecOutput('git', args, options)
+}
+
 async function createPr(
   title: string,
   repo: string,

From a389a9a8cb46f9c6f2d01c2d5f653d85e584db45 Mon Sep 17 00:00:00 2001
From: github-actions <github-actions@github.com>
Date: Thu, 10 Oct 2024 13:28:55 +0000
Subject: [PATCH 2/2] :bricks: Update `scan/dist/index.js`

---
 scan/dist/index.js | 41 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 34 insertions(+), 7 deletions(-)

diff --git a/scan/dist/index.js b/scan/dist/index.js
index da42bcf7..40372a72 100644
--- a/scan/dist/index.js
+++ b/scan/dist/index.js
@@ -135150,21 +135150,42 @@ var require_utils10 = __commonJS({
     }
     __name(getInputs, "getInputs");
     function getPrSha() {
-      if (process.env.QODANA_PR_SHA) {
-        return process.env.QODANA_PR_SHA;
+      return __awaiter3(this, void 0, void 0, function* () {
+        if (process.env.QODANA_PR_SHA) {
+          return process.env.QODANA_PR_SHA;
+        }
+        if (github2.context.payload.pull_request !== void 0) {
+          const output = yield gitOutput([
+            "merge-base",
+            github2.context.payload.pull_request.base.sha,
+            github2.context.payload.pull_request.head.sha
+          ]);
+          if (output.exitCode === 0) {
+            return output.stdout.trim();
+          } else {
+            return github2.context.payload.pull_request.base.sha;
+          }
+        }
+        return "";
+      });
+    }
+    __name(getPrSha, "getPrSha");
+    function getHeadSha() {
+      if (process.env.QODANA_REVISION) {
+        return process.env.QODANA_REVISION;
       }
       if (github2.context.payload.pull_request !== void 0) {
-        return github2.context.payload.pull_request.base.sha;
+        return github2.context.payload.pull_request.head.sha;
       }
-      return "";
+      return github2.context.sha;
     }
-    __name(getPrSha, "getPrSha");
+    __name(getHeadSha, "getHeadSha");
     function qodana(inputs_1) {
       return __awaiter3(this, arguments, void 0, function* (inputs, args = []) {
         if (args.length === 0) {
           args = (0, qodana_12.getQodanaScanArgs)(inputs.args, inputs.resultsDir, inputs.cacheDir);
           if (inputs.prMode) {
-            const sha = getPrSha();
+            const sha = yield getPrSha();
             if (sha !== "") {
               args.push("--commit", sha);
             }
@@ -135172,7 +135193,7 @@ var require_utils10 = __commonJS({
         }
         return (yield exec.getExecOutput(qodana_12.EXECUTABLE, args, {
           ignoreReturnCode: true,
-          env: Object.assign(Object.assign({}, process.env), { NONINTERACTIVE: "1" })
+          env: Object.assign(Object.assign({}, process.env), { QODANA_REVISION: getHeadSha(), NONINTERACTIVE: "1" })
         })).exitCode;
       });
     }
@@ -135469,6 +135490,12 @@ ${comment_tag_pattern}`;
       });
     }
     __name(git, "git");
+    function gitOutput(args_1) {
+      return __awaiter3(this, arguments, void 0, function* (args, options = {}) {
+        return yield exec.getExecOutput("git", args, options);
+      });
+    }
+    __name(gitOutput, "gitOutput");
     function createPr(title, repo, base, head) {
       return __awaiter3(this, void 0, void 0, function* () {
         const prBodyFile = path_1.default.join(os.tmpdir(), "pr-body.txt");