From 8b7dbe5d338abdd976346883b646034070a88f62 Mon Sep 17 00:00:00 2001
From: Nils Plaschke <Chumper@users.noreply.github.com>
Date: Sun, 25 Oct 2020 00:02:41 +0200
Subject: [PATCH] refactor(github): remove ghe compatibility checks (#7540)

Co-authored-by: Rhys Arkins <rhys@arkins.net>
Co-authored-by: Jamie Magee <JamieMagee@users.noreply.github.com>
---
 lib/platform/github/index.ts | 83 +++++++++++++++++-------------------
 1 file changed, 38 insertions(+), 45 deletions(-)

diff --git a/lib/platform/github/index.ts b/lib/platform/github/index.ts
index bc3312505b..6a3a09918e 100644
--- a/lib/platform/github/index.ts
+++ b/lib/platform/github/index.ts
@@ -484,13 +484,7 @@ async function getClosedPrs(): Promise<PrList> {
 }
 
 async function getOpenPrs(): Promise<PrList> {
-  // istanbul ignore if
-  if (config.isGhe) {
-    logger.debug(
-      'Skipping unsupported graphql PullRequests.mergeStateStatus query on GHE'
-    );
-    return {};
-  }
+  // The graphql query is supported in the current oldest GHE version 2.19
   if (!config.openPrList) {
     config.openPrList = {};
     let query;
@@ -795,44 +789,43 @@ export async function getBranchStatus(
     'branch status check result'
   );
   let checkRuns: { name: string; status: string; conclusion: string }[] = [];
-  if (!config.isGhe) {
-    try {
-      const checkRunsUrl = `repos/${config.repository}/commits/${escapeHash(
-        branchName
-      )}/check-runs`;
-      const opts = {
-        headers: {
-          accept: 'application/vnd.github.antiope-preview+json',
-        },
-      };
-      const checkRunsRaw = (
-        await githubApi.getJson<{
-          check_runs: { name: string; status: string; conclusion: string }[];
-        }>(checkRunsUrl, opts)
-      ).body;
-      if (checkRunsRaw.check_runs?.length) {
-        checkRuns = checkRunsRaw.check_runs.map((run) => ({
-          name: run.name,
-          status: run.status,
-          conclusion: run.conclusion,
-        }));
-        logger.debug({ checkRuns }, 'check runs result');
-      } else {
-        // istanbul ignore next
-        logger.debug({ result: checkRunsRaw }, 'No check runs found');
-      }
-    } catch (err) /* istanbul ignore next */ {
-      if (err instanceof ExternalHostError) {
-        throw err;
-      }
-      if (
-        err.statusCode === 403 ||
-        err.message === PLATFORM_INTEGRATION_UNAUTHORIZED
-      ) {
-        logger.debug('No permission to view check runs');
-      } else {
-        logger.warn({ err }, 'Error retrieving check runs');
-      }
+  // API is supported in oldest available GHE version 2.19
+  try {
+    const checkRunsUrl = `repos/${config.repository}/commits/${escapeHash(
+      branchName
+    )}/check-runs`;
+    const opts = {
+      headers: {
+        accept: 'application/vnd.github.antiope-preview+json',
+      },
+    };
+    const checkRunsRaw = (
+      await githubApi.getJson<{
+        check_runs: { name: string; status: string; conclusion: string }[];
+      }>(checkRunsUrl, opts)
+    ).body;
+    if (checkRunsRaw.check_runs?.length) {
+      checkRuns = checkRunsRaw.check_runs.map((run) => ({
+        name: run.name,
+        status: run.status,
+        conclusion: run.conclusion,
+      }));
+      logger.debug({ checkRuns }, 'check runs result');
+    } else {
+      // istanbul ignore next
+      logger.debug({ result: checkRunsRaw }, 'No check runs found');
+    }
+  } catch (err) /* istanbul ignore next */ {
+    if (err instanceof ExternalHostError) {
+      throw err;
+    }
+    if (
+      err.statusCode === 403 ||
+      err.message === PLATFORM_INTEGRATION_UNAUTHORIZED
+    ) {
+      logger.debug('No permission to view check runs');
+    } else {
+      logger.warn({ err }, 'Error retrieving check runs');
     }
   }
   if (checkRuns.length === 0) {