Check for existing artifacts in local maven repository

dist/package.json

@@ -33,7 +33,8 @@
     "@actions/core": "^1.2.6",
     "async": "^3.2.0",
     "fs-extra": "^9.0.1",
-    "n-readlines": "^1.0.1"
+    "n-readlines": "^1.0.1",
+    "xml-js": "^1.6.11"
   },
   "devDependencies": {
     "@tsconfig/node12": "^1.0.7",

package-lock.json

@@ -122,6 +122,11 @@
       "resolved": "https://registry.npmjs.org/n-readlines/-/n-readlines-1.0.1.tgz",
       "integrity": "sha512-z4SyAIVgMy7CkgsoNw7YVz40v0g4+WWvvqy8+ZdHrCtgevcEO758WQyrYcw3XPxcLxF+//RszTz/rO48nzD0wQ=="
     },
+    "sax": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+    },
     "source-map": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -162,6 +167,14 @@
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-1.0.0.tgz",
       "integrity": "sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug=="
     },
+    "xml-js": {
+      "version": "1.6.11",
+      "resolved": "https://registry.npmjs.org/xml-js/-/xml-js-1.6.11.tgz",
+      "integrity": "sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g==",
+      "requires": {
+        "sax": "^1.2.4"
+      }
+    },
     "yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",

package.json

@@ -33,7 +33,8 @@
     "@actions/core": "^1.2.6",
     "async": "^3.2.0",
     "fs-extra": "^9.0.1",
-    "n-readlines": "^1.0.1"
+    "n-readlines": "^1.0.1",
+    "xml-js": "^1.6.11"
   },
   "devDependencies": {
     "@tsconfig/node12": "^1.0.7",

src/index.ts

@@ -1,10 +1,21 @@
 import * as core from '@actions/core';
-import { join as joinPath, resolve as resolvePath } from 'path';
-import { copy } from 'fs-extra';
-import { rmdirSync } from 'fs';
 import { parallelLimit } from 'async';
+import { existsSync, rmdirSync } from 'fs';
+import { copy } from 'fs-extra';
+import { join as joinPath, resolve as resolvePath } from 'path';
+import { xml2js } from 'xml-js';
 
-import { cpuCount, downloadFile, exit, fixArgArr, isNumeric, readLastLines, resetWorkingDir, runCmd } from './utils';
+import {
+  cpuCount,
+  downloadFile,
+  exit,
+  fixArgArr,
+  isNumeric,
+  readLastLines,
+  resetWorkingDir,
+  runCmd,
+  userHomeDir
+} from './utils';
 
 const supportedBuildTools: { [key: string]: { url: string, prepareArgs: string[] } } = {
   spraxdev: {
@@ -19,7 +30,7 @@ const supportedBuildTools: { [key: string]: { url: string, prepareArgs: string[]
 
 /* GitHub Actions inputs */
 const buildToolProvider: string = (core.getInput('buildToolProvider') || 'SpraxDev').toLowerCase();
-const versions: string[] = fixArgArr((core.getInput('versions') || 'latest').split(','));
+let versions: string[] = fixArgArr((core.getInput('versions') || 'latest').toLowerCase().split(','));
 const target: string[] = fixArgArr((core.getInput('target') || 'Spigot').toUpperCase().split(','));
 const generateSrc: boolean = core.getInput('generateSrc') == 'true';
 const generateDoc: boolean = core.getInput('generateDoc') == 'true';
@@ -40,6 +51,14 @@ async function run(): Promise<{ code: number, msg?: string }> {
         return reject(new Error(`'${buildToolProvider}' is not a valid BuildTool-Provider (${Object.keys(supportedBuildTools).join(', ')})`));
       }
 
+      if (!forceRun) {
+        versions = await removeExistingVersions(versions, (ver, jarPath) => {
+          console.log(`Skipping version '${ver}' because it has been found in the local maven repository: ${jarPath}`);
+        });
+
+        if (versions.length == 0) return exit(0);
+      }
+
       const buildTool = supportedBuildTools[buildToolProvider];
       const appLogFile = joinPath(workingDir.logs, 'SpraxDev_Actions-SpigotMC.log');
 
@@ -55,21 +74,21 @@ async function run(): Promise<{ code: number, msg?: string }> {
       if (gotTemplateDirectory) {
         console.log('Prepare for future tasks by running BuildTools...');
 
-        try {
-          await core.group('Prepare BuildTools', async (): Promise<void> => {
+        await core.group('Prepare BuildTools', async (): Promise<void> => {
+          try {
             return runCmd('java', ['-jar', 'BuildTools.jar', (disableJavaCheck ? '--disable-java-check' : ''), ...buildTool.prepareArgs],
                 workingDir.cache, appLogFile);
-          });
-        } catch (err) {
-          console.error(err);
+          } catch (err) {
+            console.error(err);
 
-          console.error(`\nPrinting last 25 lines from '${resolvePath(appLogFile)}':`);
-          for (const line of readLastLines(appLogFile, 25)) {
-            console.error(line);
+            console.error(`\nPrinting last 30 lines from '${resolvePath(appLogFile)}':`);
+            for (const line of readLastLines(appLogFile, 30)) {
+              console.error(line);
+            }
+
+            return exit(1);
           }
-
-          return exit(1);
-        }
+        });
       }
 
       const buildToolsArgs = ['-jar', 'BuildTools.jar', '--compile', target.join(',')];
@@ -142,6 +161,52 @@ async function run(): Promise<{ code: number, msg?: string }> {
   });
 }
 
+async function removeExistingVersions(versionArr: string[], onExist: (ver: string, jarPath: string) => void): Promise<string[]> {
+  return new Promise(async (resolve, _reject): Promise<void> => {
+    const result = [];
+
+    for (const ver of versionArr) {
+      let skipVersion = false;
+      let versionToCheck: string | null = ver != 'latest' ? ver : null;
+
+      try {
+        const verJsonBuff = await downloadFile(`https://hub.spigotmc.org/versions/${ver}.json`, null);
+        const verJson = verJsonBuff instanceof Buffer ? JSON.parse(verJsonBuff.toString('utf-8')) : null;
+        const bukkitRef: undefined | string = verJson?.refs?.Bukkit;
+
+        if (bukkitRef) {
+          const verPomBuff = await downloadFile(`https://hub.spigotmc.org/stash/projects/SPIGOT/repos/bukkit/raw/pom.xml?at=${bukkitRef}`, null);
+
+          if (verPomBuff instanceof Buffer) {
+            const result = xml2js(verPomBuff.toString('utf-8'), {
+              compact: true,
+              ignoreComment: true,
+              ignoreAttributes: true
+            }) as any;
+
+            versionToCheck = result.project?.version?._text;
+          }
+        }
+      } catch (err) {
+        console.error(err);
+      }
+
+      const jarPath = resolvePath(joinPath(userHomeDir, `/.m2/repository/org/spigotmc/spigot/${versionToCheck}/spigot-${versionToCheck}.jar`));
+      if (versionToCheck) {
+        skipVersion = existsSync(jarPath);
+      }
+
+      if (skipVersion) {
+        onExist(ver, jarPath);
+      } else {
+        result.push(ver);
+      }
+    }
+
+    resolve(result);
+  });
+}
+
 run()
     .then((result) => exit(result.code, result.msg))
     .catch((err) => exit(1, err));

src/utils.ts

@@ -1,15 +1,16 @@
 import { spawn as spawnProcess } from 'child_process';
-import { join as joinPath } from 'path';
+import { createWriteStream, mkdirSync, readFileSync, rmdirSync, WriteStream } from 'fs';
 import { get as httpGet } from 'http';
 import { get as httpsGet } from 'https';
-import { cpus, tmpdir } from 'os';
-import { createWriteStream, mkdirSync, readFileSync, rmdirSync, WriteStream } from 'fs';
 import readLines from 'n-readlines';
+import { cpus, homedir, tmpdir } from 'os';
+import { join as joinPath } from 'path';
 
 const packageJson = JSON.parse(readFileSync(joinPath(__dirname, '..', 'package.json'), 'utf-8'));
-const userAgent = `${packageJson.name || 'Action-SpigotMC'}/${packageJson.version || 'UNKNOWN_VERSION'} (+${packageJson.homepage || 'https://github.com/SpraxDev/'})`;
+const userAgent = `${packageJson.name || 'Action-SpigotMC'}/${packageJson.version || 'UNKNOWN_VERSION'} (+${packageJson.homepage || 'https://github.com/SpraxDev/Action-SpigotMC'})`;
 
 export const cpuCount = cpus().length;
+export const userHomeDir = homedir();
 
 export function fixArgArr(arr: string[]): string[] {
   const result: string[] = [];
@@ -61,7 +62,12 @@ export async function runCmd(cmd: string, args: string[], workingDir: string, lo
   });
 }
 
-export async function downloadFile(url: string, dest: string, currRedirectDepth: number = 0): Promise<void> {
+/**
+ * @param url The URL to fetch the data from
+ * @param dest Set to `null` to get an Buffer instead of writing it to the file system
+ * @param currRedirectDepth Internally used to track how often the function has been redirected
+ */
+export async function downloadFile(url: string, dest: string | null, currRedirectDepth: number = 0): Promise<Buffer | void> {
   const doGetRequest = url.toLowerCase().startsWith('http://') ? httpGet : httpsGet;
 
   return new Promise((resolve, reject) => {
@@ -72,7 +78,7 @@ export async function downloadFile(url: string, dest: string, currRedirectDepth:
         writeStream.close();
         writeStream = null;
 
-        if (errored) {
+        if (errored && dest != null) {
           rmdirSync(dest, {recursive: true});
         }
       }
@@ -106,19 +112,31 @@ export async function downloadFile(url: string, dest: string, currRedirectDepth:
         }
       }
 
-      writeStream = createWriteStream(dest, {encoding: 'binary'})
-          .on('finish', () => {
-            done(false);
+      if (dest != null) {
+        writeStream = createWriteStream(dest, {encoding: 'binary'})
+            .on('finish', () => {
+              done(false);
 
-            return resolve();
-          })
-          .on('error', (err) => {
-            done(true);
+              return resolve();
+            })
+            .on('error', (err) => {
+              done(true);
 
-            return reject(err);
-          });
+              return reject(err);
+            });
 
-      httpRes.pipe(writeStream);
+        httpRes.pipe(writeStream);
+      } else {
+        const chunks: Buffer[] = [];
+
+        httpRes.on('data', (chunk) => {
+          chunks.push(Buffer.from(chunk, 'binary'));
+        });
+
+        httpRes.on('end', () => {
+          resolve(Buffer.concat(chunks));
+        });
+      }
     })
         .on('error', (err) => {
           done(true);