node.js - How do I get Gulp tasks to fire sequentially when firing shell commands in an async.series helper function? -


i have multiple gulp tasks send series of commands shell. second task dependent on first. how make ensure commands sent async.series in first task complete before second task executed. 

gulp.task('task1', function(cb) {     process.chdir(__dirname);     process.chdir('path');      var cmdarray = getcmdsfortask1();     runseries(cmdarray, 'task 1');     return cb(); });  gulp.task('task2',['task1'], function() {     process.chdir(__dirname);     process.chdir('task2_path');     var cmd2 = getcmdfortask2();     runseries([cmd2], 'task 2'); });   var runseries = function(cmdarray, taskname) {     async.series(cmdarray, function(err, results) {         results.foreach( function(result) {             gutil.log(gutil.colors.cyan(taskname + ' complete:') +    gutil.colors.white(result) );         });     }); };

thanks much!

you're on right track using async.series. 1 missing piece haven't told original task when it's done.

gulp.task('task1', function(cb) {     process.chdir(__dirname);     process.chdir('path');      var cmdarray = getcmdsfortask1();     runseries(cmdarray, 'task 1', cb); });  gulp.task('task2',['task1'], function(cb) {     process.chdir(__dirname);     process.chdir('task2_path');     var cmd2 = getcmdfortask2();     runseries([cmd2], 'task 2', cb); });   var runseries = function(cmdarray, taskname, cb) {     async.series(cmdarray, function(err, results) {         results.foreach( function(result) {             gutil.log(gutil.colors.cyan(taskname + ' complete:') +    gutil.colors.white(result) );         });         cb(err);     }); };

note how took in callback each task, , called when async.series complete.


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