Print output live for longer running rpmbuild commands.

.gitignore

@@ -3,6 +3,8 @@
 *.pyo
 *$py.class
 *.swp
+*.swo
+.noseids
 *.patch
 *#
 *~

src/tito/builder/main.py

@@ -194,11 +194,11 @@ class BuilderBase(object):
 
         rpmbuild_options = self.rpmbuild_options + self._scl_to_rpmbuild_option()
 
-        cmd = ('LC_ALL=C rpmbuild --define "_source_filedigest_algorithm md5"  --define'
+        cmd = ('rpmbuild --define "_source_filedigest_algorithm md5"  --define'
             ' "_binary_filedigest_algorithm md5" %s %s %s --nodeps -bs %s' % (
                 rpmbuild_options, self._get_rpmbuild_dir_options(),
                 define_dist, self.spec_file))
-        output = run_command(cmd)
+        output = run_command_print(cmd)
         print(output)
         self.srpm_location = find_wrote_in_rpmbuild_output(output)[0]
         self.artifacts.append(self.srpm_location)
@@ -215,13 +215,13 @@ class BuilderBase(object):
 
         rpmbuild_options = self.rpmbuild_options + self._scl_to_rpmbuild_option()
 
-        cmd = ('LC_ALL=C rpmbuild --define "_source_filedigest_algorithm md5"  '
+        cmd = ('rpmbuild --define "_source_filedigest_algorithm md5"  '
             '--define "_binary_filedigest_algorithm md5" %s %s %s --clean '
             '-ba %s' % (rpmbuild_options,
                 self._get_rpmbuild_dir_options(), define_dist, self.spec_file))
         debug(cmd)
         try:
-            output = run_command(cmd)
+            output = run_command_print(cmd)
         except (KeyboardInterrupt, SystemExit):
             print("")
             exit(1)
@@ -235,7 +235,6 @@ class BuilderBase(object):
         except Exception:
             err = sys.exc_info()[1]
             error_out('%s' % str(err))
-        print(output)
         files_written = find_wrote_in_rpmbuild_output(output)
         if len(files_written) < 2:
             error_out("Error parsing rpmbuild output")

src/tito/common.py

@@ -18,8 +18,11 @@ import os
 import re
 import sys
 import traceback
+import subprocess
+import shlex
 
 from tito.compat import *
+from tito.exception import RunCommandException
 
 DEFAULT_BUILD_DIR = "/tmp/tito"
 DEFAULT_BUILDER = "builder"
@@ -222,10 +225,27 @@ def run_command(command, print_on_success=False):
     return output
 
 
-def runProcess(cmd):
+def run_command_print(command):
-    p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    """
+    Simliar to run_command but prints each line of output on the fly.
+    """
+    output = []
+    env = os.environ.copy()
+    env['LC_ALL'] = 'C'
+    p = subprocess.Popen(shlex.split(command),
+        stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env=env)
+    for line in run_subprocess(p):
+        print(line),
+        output.append(line.rstrip('\n'))
+    print("\n"),
+    if p.poll() > 0:
+        raise RunCommandException(command, p.poll(), "\n".join(output))
+    return '\n'.join(output)
+
+
+def run_subprocess(p):
     while(True):
-        retcode = p.poll() #returns None while subprocess is running
+        retcode = p.poll()
         line = p.stdout.readline()
         yield line
         if(retcode is not None):
@@ -505,7 +525,7 @@ def create_tgz(git_root, prefix, commit, relative_dir, rel_eng_dir,
     #if not os.path.exists(timestamp_script):
     #    error_out("Unable to locate required script: %s" % timestamp_script)
 
-    # Accomodate standalone projects with specfile in root of git repo:
+    # Accomodate standalone projects with specfile i root of git repo:
     relative_git_dir = "%s" % relative_dir
     if relative_git_dir in ['/', './']:
         relative_git_dir = ""
@@ -637,7 +657,8 @@ def find_wrote_in_rpmbuild_output(output):
     """
     paths = []
     look_for = "Wrote: "
-    for line in output.split("\n"):
+    for line in output.split('\n'):
+        print("Checking: %s" % line)
         if line.startswith(look_for):
             paths.append(line[len(look_for):])
             debug("Found wrote line: %s" % paths[-1])

src/tito/exception.py

@@ -32,8 +32,8 @@ class TitoException(Exception):
 
 class RunCommandException(Exception):
     """ Raised by run_command() """
-    def __init__(self, msg, command, status, output):
+    def __init__(self, command, status, output):
-        Exception.__init__(self, msg)
+        Exception.__init__(self, "Error running command: %s" % command)
         self.command = command
         self.status = status
         self.output = output