some cli improvements

python/loadleveller/jobfile.py

 import yaml
 import os
 import subprocess
+import errno
 
 '''Helpers for handling loadleveller jobfiles/scripts. For lack of a better idea, the job description files of loadleveller are actually executables that output a more verbose yaml parameter file to stdout. Use the taskmaker module to write the input scripts.'''
 

python/loadleveller/jobstatus.py

@@ -83,16 +83,16 @@ def print_status(jobfile, args):
         if args.need_restart:
             if job_prog.needs_restart():
                 print('Needs restart!')
-                return True
+                return 0
             print('Job completed.')
-            return False
+            return 1
 
         if args.need_merge:
             if job_prog.needs_merge():
                 print('Needs merge!')
-                return True
+                return 0
             print('Job already merged.')
-            return False
+            return 1
 
         for task, tp in zip(job_prog.tasks, job_prog.progress):
             therm_per_run = tp.therm_sweeps/tp.num_runs if tp.num_runs > 0 else 0

src/observable.cpp

@@ -33,7 +33,7 @@ void observable::checkpoint_write(const iodump::group &dump_file) const {
 void observable::measurement_write(const iodump::group &meas_file) {
 	if(samples_.size() > vector_length_) {
 		std::vector<double> current_bin_value(samples_.end() - vector_length_, samples_.end());
-		
+
 		samples_.resize(current_bin_ * vector_length_);
 		meas_file.insert_back("samples", samples_);
 		samples_ = current_bin_value;

src/observable.h

@@ -48,9 +48,10 @@ void observable::add(T val) {
 template<class T>
 void observable::add(const std::vector<T> &val) {
 	if(vector_length_ != val.size()) {
-		throw std::runtime_error{fmt::format(
-		    "observable::add: added vector has unexpected size ({}). Observable was initialized with vector length ({})",
-		    val.size(), vector_length_)};
+		throw std::runtime_error{
+		    fmt::format("observable::add: added vector has unexpected size ({}). Observable was "
+		                "initialized with vector length ({})",
+		                val.size(), vector_length_)};
 	}
 
 	for(size_t j = 0; j < vector_length_; ++j)