run/push: support "subargs" for forwarding to remote process. Fixes g…

…h-732

Uses the "subarg" syntax:

t2 run index.js [foo bar baz -a 1 -b 2 --named --key=value]

Will result in process.argv on the deployed program:

[ '/usr/bin/node',
  '/tmp/remote-script/index.js',
  'foo',
  'bar',
  'baz',
  '-a',
  '1',
  '-b',
  '2',
  '--named',
  '--key=value' ]

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

bin/tessel-2.js

@@ -186,6 +186,10 @@ makeCommand('run')
     // Overridden in tarBundle if options.full is `true`
     options.slim = true;
 
+    if (parser.subargs) {
+      options.subargs = parser.subargs;
+    }
+
     callControllerWith('deploy', options);
   })
   .option('entryPoint', {
@@ -241,6 +245,7 @@ makeCommand('push')
     options.push = true;
     // Overridden in tarBundle if options.full is `true`
     options.slim = true;
+    options.subargs = parser.subargs || [];
 
     callControllerWith('deploy', options);
   })
@@ -516,6 +521,38 @@ makeCommand('root')
 
 
 module.exports = function(args) {
+  var sIndexOfSA = -1;
+  var eIndexOfSA = -1;
+
+  // Check to see if there are any subargs...
+  for (var i = 0; i < args.length; i++) {
+    var arg = args[i];
+
+    if (arg.startsWith('[') && sIndexOfSA === -1) {
+      // Remove the leading '[', replace existing
+      args[i] = arg.slice(1, arg.length);
+      sIndexOfSA = i;
+    }
+
+    if (arg.endsWith(']') && sIndexOfSA !== -1) {
+      // Remove the trailing ']'
+      args[i] = arg.slice(0, arg.length - 1);
+      eIndexOfSA = i;
+    }
+  }
+
+  // If there are, remove them from the `args`
+  // that get passed to parser.parse().
+  //
+  // If these are not removed, they will be
+  // treated like they are part of the t2-cli args
+  // themselves, which is undesirable.
+  if (sIndexOfSA !== -1 && eIndexOfSA !== -1) {
+    // Splice the subargs from the args that will be passed to nomnom,
+    // store on parser so we can get to them later.
+    parser.subargs = args.splice(sIndexOfSA, eIndexOfSA);
+  }
+
   // Clear the spec from one call to the next. This is
   // only necessary for testing the CLI (each call must be "fresh")
   parser.specs = {};

lib/tessel/commands.js

@@ -18,15 +18,15 @@ module.exports.app = {
  *
  */
 module.exports.js = {
-  execute: (filepath, relpath) => ['node', filepath + relpath],
+  execute: (filepath, relpath, args) => ['node', filepath + relpath].concat(args),
 };
 
 module.exports.rs = {
-  execute: (filepath, relpath) => [filepath + relpath],
+  execute: (filepath, relpath, args) => [filepath + relpath].concat(args),
 };
 
 module.exports.py = {
-  execute: (filepath, relpath) => ['python', filepath + relpath],
+  execute: (filepath, relpath, args) => ['python', filepath + relpath].concat(args),
 };
 
 module.exports.readFile = function(filepath) {

lib/tessel/deploy.js

@@ -124,6 +124,7 @@ Tessel.prototype.deploy = function(opts) {
 
   // Resolve the application's language/runtime
   opts.lang = deployment.resolveLanguage(opts.lang || opts.entryPoint);
+  opts.subargs = opts.subargs || [];
 
   return new Promise((resolve, reject) => {
     // Stop running an existing applications
@@ -373,7 +374,7 @@ exportables.run = function(tessel, options) {
 
     return preRun.then(() => {
       tessel.connection.exec(
-        commands[lang.meta.extname].execute(Tessel.REMOTE_RUN_PATH, options.resolvedEntryPoint), {
+        commands[lang.meta.extname].execute(Tessel.REMOTE_RUN_PATH, options.resolvedEntryPoint, options.subargs), {
           pty: true
         }, (error, remoteProcess) => {
           if (error) {
@@ -438,6 +439,7 @@ exportables.createShellScript = function(tessel, opts) {
           });
         });
       });
+
       remoteProcess.stdin.end(new Buffer(opts.lang.meta.shell(opts).trim()));
     });
   });

lib/tessel/deployment/javascript.js

@@ -53,10 +53,10 @@ var exportables = {
         program
       };
     },
-    shell: (opts) => {
+    shell: (options) => {
       return tags.stripIndent `
         #!/bin/sh
-        exec node /app/remote-script/${opts.resolvedEntryPoint}
+        exec node /app/remote-script/${options.resolvedEntryPoint} ${options.subargs.join(' ')}
       `;
     },
   },

lib/tessel/deployment/python.js

@@ -33,10 +33,10 @@ var exportables = {
         program
       };
     },
-    shell: (opts) => {
+    shell: (options) => {
       return tags.stripIndent `
         #!/bin/sh
-        exec python /app/remote-script/${opts.resolvedEntryPoint}
+        exec python /app/remote-script/${options.resolvedEntryPoint} ${options.subargs.join(' ')}
       `;
     },
   },

lib/tessel/deployment/rust.js

@@ -37,10 +37,10 @@ var exportables = {
         program
       };
     },
-    shell: (opts) => {
+    shell: (options) => {
       return tags.stripIndent `
         #!/bin/sh
-        exec /app/remote-script/${opts.resolvedEntryPoint}
+        exec /app/remote-script/${options.resolvedEntryPoint} ${options.subargs.join(' ')}
       `;
     },
   },

test/unit/deploy.js

@@ -284,7 +284,8 @@ exports['Tessel.prototype.deploy'] = {
     test.expect(12);
     deployTestCode(this.tessel, {
       push: true,
-      single: false
+      single: false,
+      subargs: [],
     }, (error) => {
       if (error) {
         test.ok(false, `deployTestCode failed: ${error.toString()}`);
@@ -538,8 +539,10 @@ exports['deploy.run'] = {
     deploy.run(this.tessel, {
       entryPoint: entryPoint,
       lang: deployment.js,
+      subargs: ['--key=value'],
     }).then(() => {
-      test.deepEqual(this.exec.lastCall.args[0], [deployment.js.meta.binary, Tessel.REMOTE_RUN_PATH + entryPoint]);
+      test.deepEqual(
+        this.exec.lastCall.args[0], [deployment.js.meta.binary, Tessel.REMOTE_RUN_PATH + entryPoint, '--key=value']);
       test.done();
     });
   },
@@ -572,6 +575,7 @@ exports['deploy.run'] = {
     deploy.run(this.tessel, {
       entryPoint: entryPoint,
       lang: deployment.rs,
+      subargs: [],
     }).then(() => {
       test.done();
     });
@@ -591,6 +595,7 @@ exports['deploy.run'] = {
     deploy.run(this.tessel, {
       resolvedEntryPoint: 'foo',
       lang: deployment.js,
+      subargs: [],
     }).then(() => {
       test.equal(this.postRun.callCount, 1);
       test.done();
@@ -640,7 +645,8 @@ exports['deploy.createShellScript'] = {
 
     var opts = {
       lang: deployment.js,
-      resolvedEntryPoint: 'foo'
+      resolvedEntryPoint: 'foo',
+      subargs: ['--key=value'],
     };
 
     deploy.createShellScript(this.tessel, opts).then(() => {

test/unit/deployment/javascript.js

@@ -96,11 +96,12 @@ exports['Deployment: JavaScript'] = {
 
     var shellScript = tags.stripIndent `
       #!/bin/sh
-      exec node /app/remote-script/index.js
+      exec node /app/remote-script/index.js --key=value
     `;
     var opts = {
       lang: deployment.js,
       resolvedEntryPoint: 'index.js',
+      subargs: ['--key=value'],
     };
     this.end.restore();
     this.end = sandbox.stub(this.tessel._rps.stdin, 'end', (buffer) => {
@@ -120,11 +121,12 @@ exports['Deployment: JavaScript'] = {
 
     var shellScript = tags.stripIndent `
       #!/bin/sh
-      exec node /app/remote-script/index.js
+      exec node /app/remote-script/index.js --key=value
     `;
     var opts = {
       lang: deployment.js,
       resolvedEntryPoint: 'index.js',
+      subargs: ['--key=value'],
     };
     this.end.restore();
     this.end = sandbox.stub(this.tessel._rps.stdin, 'end', (buffer) => {
@@ -2552,7 +2554,29 @@ exports['deploy.createShellScript'] = {
 
     var opts = {
       lang: deployment.js,
-      resolvedEntryPoint: 'foo'
+      resolvedEntryPoint: 'foo',
+      subargs: [],
+    };
+
+    deploy.createShellScript(this.tessel, opts).then(() => {
+      test.deepEqual(this.exec.firstCall.args[0], ['dd', 'of=/app/start']);
+      test.deepEqual(this.exec.lastCall.args[0], ['chmod', '+x', '/app/start']);
+      test.done();
+    });
+  },
+
+  remoteShellScriptPathIsNotPathNormalizedWithSubargs: function(test) {
+    test.expect(2);
+
+    this.exec = sandbox.stub(this.tessel.connection, 'exec', (command, callback) => {
+      callback(null, this.tessel._rps);
+      this.tessel._rps.emit('close');
+    });
+
+    var opts = {
+      lang: deployment.js,
+      resolvedEntryPoint: 'foo',
+      subargs: ['--key=value'],
     };
 
     deploy.createShellScript(this.tessel, opts).then(() => {