patman: Remove the -a option

It seems that this is no longer needed, since checkpatch.pl will catch
whitespace problems in patches. Also the option is not widely used, so
it seems safe to just remove it.

Suggested-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Simon Glass <sjg@chromium.org>

tools/patman/gitutil.py

@@ -215,94 +215,6 @@ def CreatePatches(start, count, series):
     else:
        return None, files
 
-def ApplyPatch(verbose, fname):
-    """Apply a patch with git am to test it
-
-    TODO: Convert these to use command, with stderr option
-
-    Args:
-        fname: filename of patch file to apply
-    """
-    col = terminal.Color()
-    cmd = ['git', 'am', fname]
-    pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE)
-    stdout, stderr = pipe.communicate()
-    re_error = re.compile('^error: patch failed: (.+):(\d+)')
-    for line in stderr.splitlines():
-        if verbose:
-            print line
-        match = re_error.match(line)
-        if match:
-            print checkpatch.GetWarningMsg(col, 'warning', match.group(1),
-                                           int(match.group(2)), 'Patch failed')
-    return pipe.returncode == 0, stdout
-
-def ApplyPatches(verbose, args, start_point):
-    """Apply the patches with git am to make sure all is well
-
-    Args:
-        verbose: Print out 'git am' output verbatim
-        args: List of patch files to apply
-        start_point: Number of commits back from HEAD to start applying.
-            Normally this is len(args), but it can be larger if a start
-            offset was given.
-    """
-    error_count = 0
-    col = terminal.Color()
-
-    # Figure out our current position
-    cmd = ['git', 'name-rev', 'HEAD', '--name-only']
-    pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE)
-    stdout, stderr = pipe.communicate()
-    if pipe.returncode:
-        str = 'Could not find current commit name'
-        print col.Color(col.RED, str)
-        print stdout
-        return False
-    old_head = stdout.splitlines()[0]
-    if old_head == 'undefined':
-        str = "Invalid HEAD '%s'" % stdout.strip()
-        print col.Color(col.RED, str)
-        return False
-
-    # Checkout the required start point
-    cmd = ['git', 'checkout', 'HEAD~%d' % start_point]
-    pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE)
-    stdout, stderr = pipe.communicate()
-    if pipe.returncode:
-        str = 'Could not move to commit before patch series'
-        print col.Color(col.RED, str)
-        print stdout, stderr
-        return False
-
-    # Apply all the patches
-    for fname in args:
-        ok, stdout = ApplyPatch(verbose, fname)
-        if not ok:
-            print col.Color(col.RED, 'git am returned errors for %s: will '
-                    'skip this patch' % fname)
-            if verbose:
-                print stdout
-            error_count += 1
-            cmd = ['git', 'am', '--skip']
-            pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE)
-            stdout, stderr = pipe.communicate()
-            if pipe.returncode != 0:
-                print col.Color(col.RED, 'Unable to skip patch! Aborting...')
-                print stdout
-                break
-
-    # Return to our previous position
-    cmd = ['git', 'checkout', old_head]
-    pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    stdout, stderr = pipe.communicate()
-    if pipe.returncode:
-        print col.Color(col.RED, 'Could not move back to head commit')
-        print stdout, stderr
-    return error_count == 0
-
 def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
     """Build a list of email addresses based on an input list.
 

tools/patman/patman.py

@@ -25,9 +25,6 @@ import test
 
 
 parser = OptionParser()
-parser.add_option('-a', '--no-apply', action='store_false',
-                  dest='apply_patches', default=True,
-                  help="Don't test-apply patches with git am")
 parser.add_option('-H', '--full-help', action='store_true', dest='full_help',
        default=False, help='Display the README file')
 parser.add_option('-c', '--count', dest='count', type='int',
@@ -143,10 +140,6 @@ else:
         ok = checkpatch.CheckPatches(options.verbose, args)
     else:
         ok = True
-    if options.apply_patches:
-        if not gitutil.ApplyPatches(options.verbose, args,
-                                    options.count + options.start):
-            ok = False
 
     cc_file = series.MakeCcFile(options.process_tags, cover_fname,
                                 not options.ignore_bad_tags)