Encapsulate the subprocess call inside a run function.

borgmatic/borg/check.py

@@ -117,8 +117,7 @@ def check_archives(
         # The check command spews to stdout/stderr even without the verbose flag. Suppress it.
         stdout = None if verbosity_flags else open(os.devnull, 'w')
 
-        logger.debug(' '.join(full_command))
-        subprocess.check_call(full_command, stdout=stdout, stderr=subprocess.STDOUT)
+        run(full_command, stdout=stdout, stderr=subprocess.STDOUT)
 
     if 'extract' in checks:
         extract.extract_last_archive_dry_run(repository, lock_wait, local_path, remote_path)

borgmatic/borg/create.py

@@ -2,9 +2,9 @@ import glob
 import itertools
 import logging
 import os
-import subprocess
 import tempfile
 
+from borgmatic.run import run
 
 logger = logging.getLogger(__name__)
 
@@ -154,5 +154,4 @@ def create_archive(
         + (('--json',) if json else ())
     )
 
-    logger.debug(' '.join(full_command))
-    subprocess.check_call(full_command)
+    return run(full_command, capture_output = json)

borgmatic/borg/extract.py

@@ -1,7 +1,7 @@
 import logging
 import sys
-import subprocess
 
+from borgmatic.run import run
 
 logger = logging.getLogger(__name__)
 
@@ -26,7 +26,7 @@ def extract_last_archive_dry_run(repository, lock_wait=None, local_path='borg',
         + verbosity_flags
     )
 
-    list_output = subprocess.check_output(full_list_command).decode(sys.stdout.encoding)
+    list_output = run(full_list_command, capture_output = True)
 
     last_archive_name = list_output.strip().split('\n')[-1]
     if not last_archive_name:
@@ -48,5 +48,4 @@ def extract_last_archive_dry_run(repository, lock_wait=None, local_path='borg',
         + list_flag
     )
 
-    logger.debug(' '.join(full_extract_command))
-    subprocess.check_call(full_extract_command)
+    run(full_extract_command)

borgmatic/borg/info.py

@@ -1,6 +1,6 @@
 import logging
-import subprocess
 
+from borgmatic.run import run
 
 logger = logging.getLogger(__name__)
 
@@ -23,7 +23,4 @@ def display_archives_info(
         + (('--json',) if json else ())
     )
 
-    logger.debug(' '.join(full_command))
-
-    output = subprocess.check_output(full_command)
-    return output.decode() if output is not None else None
+    return run(full_command, capture_output = json)

borgmatic/borg/list.py

@@ -1,6 +1,6 @@
 import logging
-import subprocess
 
+from borgmatic.run import run
 
 logger = logging.getLogger(__name__)
 
@@ -20,7 +20,5 @@ def list_archives(repository, storage_config, local_path='borg', remote_path=Non
         + (('--debug', '--show-rc') if logger.isEnabledFor(logging.DEBUG) else ())
         + (('--json',) if json else ())
     )
-    logger.debug(' '.join(full_command))
 
-    output = subprocess.check_output(full_command)
-    return output.decode() if output is not None else None
+    run(full_command, capture_output = json)

borgmatic/borg/prune.py

@@ -1,6 +1,6 @@
 import logging
-import subprocess
 
+from borgmatic.run import run
 
 logger = logging.getLogger(__name__)
 
@@ -53,5 +53,4 @@ def prune_archives(
         + (('--dry-run',) if dry_run else ())
     )
 
-    logger.debug(' '.join(full_command))
-    subprocess.check_call(full_command)
+    run(full_command)

borgmatic/commands/borgmatic.py

@@ -205,7 +205,7 @@ def _run_commands_on_repository(
         )
     if args.create:
         logger.info('{}: Creating archive{}'.format(repository, dry_run_label))
-        borg_create.create_archive(
+        output = borg_create.create_archive(
             args.dry_run,
             repository,
             location,
@@ -213,6 +213,8 @@ def _run_commands_on_repository(
             local_path=local_path,
             remote_path=remote_path,
         )
+        if args.json:
+            json_results.append(json.loads(output))
     if args.check and checks.repository_enabled_for_checks(repository, consistency):
         logger.info('{}: Running consistency checks'.format(repository))
         borg_check.check_archives(
@@ -225,8 +227,6 @@ def _run_commands_on_repository(
         )
         if args.json:
             json_results.append(json.loads(output))
-        else:
-            sys.stdout.write(output)
     if args.info:
         logger.info('{}: Displaying summary info for archives'.format(repository))
         output = borg_info.display_archives_info(
@@ -234,8 +234,6 @@ def _run_commands_on_repository(
         )
         if args.json:
             json_results.append(json.loads(output))
-        else:
-            sys.stdout.write(output)
 
 
 def main():  # pragma: no cover

borgmatic/run.py

@@ -0,0 +1,14 @@
+import logging
+import subprocess
+
+
+logger = logging.getLogger(__name__)
+
+
+def run(args, capture_output = False, **kwargs):
+    logger.debug('Executing: ' + ' '.join(args))
+    
+    if capture_output:
+        return subprocess.check_output(args, **kwargs).decode()
+
+    subprocess.check_call(args, **kwargs)