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Support Github Enterprise #5

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48 changes: 27 additions & 21 deletions main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,21 @@ function fail(message, exitCode=1) {
}

function request(method, path, data, callback) {

try {
if (data) {
data = JSON.stringify(data);
}
}
const urlWithoutProtocol = env.GITHUB_API_URL.replace(/(^\w+:|^)\/\//, '');
const hostname = urlWithoutProtocol.split("/")[0];
let pathPrefix = urlWithoutProtocol.split("/").slice(1).filter(n => n).join("/");
if (pathPrefix.length > 0) {
pathPrefix = "/" + pathPrefix;
}
const options = {
hostname: 'api.github.com',
hostname: hostname,
port: 443,
path,
path: pathPrefix + path,
method,
headers: {
'Content-Type': 'application/json',
Expand All @@ -29,7 +35,7 @@ function request(method, path, data, callback) {
}
}
const req = https.request(options, res => {

let chunks = [];
res.on('data', d => chunks.push(d));
res.on('end', () => {
Expand All @@ -46,10 +52,10 @@ function request(method, path, data, callback) {
callback(null, res.statusCode, buffer.length > 0 ? JSON.parse(buffer) : null);
}
});

req.on('error', err => callback(err));
});

if (data) {
req.write(data);
}
Expand All @@ -74,7 +80,7 @@ function main() {
fs.writeFileSync(process.env.GITHUB_ENV, `BUILD_NUMBER=${buildNumber}`);
return;
}

//Some sanity checking:
for (let varName of ['INPUT_TOKEN', 'GITHUB_REPOSITORY', 'GITHUB_SHA']) {
if (!env[varName]) {
Expand All @@ -83,9 +89,9 @@ function main() {
}

request('GET', `/repos/${env.GITHUB_REPOSITORY}/git/refs/tags/${prefix}build-number-`, null, (err, status, result) => {

let nextBuildNumber, nrTags;

if (status === 404) {
console.log('No build-number ref available, starting at 1.');
nextBuildNumber = 1;
Expand All @@ -94,51 +100,51 @@ function main() {
const regexString = `/${prefix}build-number-(\\d+)$`;
const regex = new RegExp(regexString);
nrTags = result.filter(d => d.ref.match(regex));

const MAX_OLD_NUMBERS = 5; //One or two ref deletes might fail, but if we have lots then there's something wrong!
if (nrTags.length > MAX_OLD_NUMBERS) {
fail(`ERROR: Too many ${prefix}build-number- refs in repository, found ${nrTags.length}, expected only 1. Check your tags!`);
}

//Existing build numbers:
let nrs = nrTags.map(t => parseInt(t.ref.match(/-(\d+)$/)[1]));

let currentBuildNumber = Math.max(...nrs);
console.log(`Last build nr was ${currentBuildNumber}.`);

nextBuildNumber = currentBuildNumber + 1;
console.log(`Updating build counter to ${nextBuildNumber}...`);
} else {
if (err) {
fail(`Failed to get refs. Error: ${err}, status: ${status}`);
} else {
fail(`Getting build-number refs failed with http status ${status}, error: ${JSON.stringify(result)}`);
}
}
}

let newRefData = {
ref:`refs/tags/${prefix}build-number-${nextBuildNumber}`,
ref:`refs/tags/${prefix}build-number-${nextBuildNumber}`,
sha: env.GITHUB_SHA
};

request('POST', `/repos/${env.GITHUB_REPOSITORY}/git/refs`, newRefData, (err, status, result) => {
if (status !== 201 || err) {
fail(`Failed to create new build-number ref. Status: ${status}, err: ${err}, result: ${JSON.stringify(result)}`);
}

console.log(`Successfully updated build number to ${nextBuildNumber}`);

//Setting the output and a environment variable to new build number...
fs.writeFileSync(process.env.GITHUB_OUTPUT, `build_number=${nextBuildNumber}`);
fs.writeFileSync(process.env.GITHUB_ENV, `BUILD_NUMBER=${nextBuildNumber}`);

//Save to file so it can be used for next jobs...
fs.writeFileSync('BUILD_NUMBER', nextBuildNumber.toString());

//Cleanup
if (nrTags) {
console.log(`Deleting ${nrTags.length} older build counters...`);

for (let nrTag of nrTags) {
request('DELETE', `/repos/${env.GITHUB_REPOSITORY}/git/${nrTag.ref}`, null, (err, status, result) => {
if (status !== 204 || err) {
Expand Down