feat: alternate nexe base binary remotes (--remote option) (#760)

src/compiler.ts

@@ -111,8 +111,10 @@ export class NexeCompiler {
     if (options.asset && options.asset.startsWith('http')) {
       this.remoteAsset = options.asset
     } else {
-      this.remoteAsset =
-        'https://github.com/nexe/nexe/releases/download/v3.0.0/' + this.target.toString()
+      if (!options.remote.startsWith('http')) {
+        throw new NexeError(`Invalid remote URL (must be HTTP/HTTPS): ${options.remote}`)
+      }
+      this.remoteAsset = options.remote + this.target.toString()
     }
     this.src = join(this.options.temp, this.target.version)
     this.configureScript = configure + (semverGt(this.target.version, '10.10.0') ? '.py' : '')

src/options.ts

@@ -39,6 +39,7 @@ export interface NexeOptions {
   native: any
   mangle: boolean
   ghToken: string
+  remote: string
   sourceUrl?: string
   enableStdIn?: boolean
   python?: string
@@ -71,6 +72,7 @@ const defaults = {
   bundle: true,
   patches: [],
   plugins: [],
+  remote: 'https://github.com/nexe/nexe/releases/download/v3.0.0/',
 }
 const alias = {
   i: 'input',
@@ -87,6 +89,7 @@ const alias = {
   m: 'make',
   h: 'help',
   l: 'loglevel',
+  e: 'remote',
   'fake-argv': 'fakeArgv',
   'gh-token': 'ghToken',
 }
@@ -103,6 +106,7 @@ ${c.bold('nexe <entry-file> [options]')}
   -r   --resource                   -- *embed files (glob) within the binary
   -a   --asset                      -- alternate asset path, file or url pointing to a base (nexe) binary
        --plugin                     -- extend nexe runtime behavior
+  -e   --remote                     -- third-party remote location (URL) to download pre-built releases from
 
    ${c.underline.bold('Building from source:')}
 
@@ -249,6 +253,10 @@ function normalizeOptions(input?: Partial<NexeOptions>): NexeOptions {
   options.configure = flatten(options.configure)
   options.resources = flatten(opts.resource, options.resources)
 
+  if (!options.remote.endsWith('/')) {
+    options.remote += '/'
+  }
+
   options.downloadOptions = options.downloadOptions || {}
   options.downloadOptions.headers = options.downloadOptions.headers || {}
   options.downloadOptions.headers['User-Agent'] = 'nexe (https://www.npmjs.com/package/nexe)'

test/options.spec.ts

@@ -39,6 +39,26 @@ describe('options', () => {
       expect(options.output).to.equal(path.resolve(cwd, `abc${ext}`))
     })
   })
+
+  describe('remote', () => {
+    it('should use default remote', () => {
+      const options = normalizeOptions({})
+      expect(options.remote).to.equal('https://github.com/nexe/nexe/releases/download/v3.0.0/')
+    })
+    it('should append trailing slash to third-party remote if necessary', () => {
+      const options = normalizeOptions({
+        remote: 'https://sitejs.org/nexe'
+      })
+      expect(options.remote).to.equal('https://sitejs.org/nexe/')
+    })
+    it('should not append trailing slash to third-party remote that already has one', () => {
+      const options = normalizeOptions({
+        remote: 'https://sitejs.org/nexe/'
+      })
+      expect(options.remote).to.equal('https://sitejs.org/nexe/')
+    })
+  })
+
   describe('output', () => {
     it('should work', () => {
       const options = normalizeOptions({