Merge branch 'u-boot/master' into 'u-boot-arm/master'

Conflicts:
	drivers/video/exynos_fb.c

1 files changed, 179 insertions, 22 deletions

diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index ca3ba4a..f485750 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -23,11 +23,12 @@ import command
 import re
 import os
 import series
-import settings
 import subprocess
 import sys
 import terminal
 
+import settings
+
 
 def CountCommitsToBranch():
     """Returns number of commits between HEAD and the tracking branch.
@@ -40,10 +41,123 @@ def CountCommitsToBranch():
     """
     pipe = [['git', 'log', '--no-color', '--oneline', '@{upstream}..'],
             ['wc', '-l']]
-    stdout = command.RunPipe(pipe, capture=True, oneline=True)
+    stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
+    patch_count = int(stdout)
+    return patch_count
+
+def GetUpstream(git_dir, branch):
+    """Returns the name of the upstream for a branch
+
+    Args:
+        git_dir: Git directory containing repo
+        branch: Name of branch
+
+    Returns:
+        Name of upstream branch (e.g. 'upstream/master') or None if none
+    """
+    remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+            'branch.%s.remote' % branch)
+    merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+            'branch.%s.merge' % branch)
+    if remote == '.':
+        return merge
+    elif remote and merge:
+        leaf = merge.split('/')[-1]
+        return '%s/%s' % (remote, leaf)
+    else:
+        raise ValueError, ("Cannot determine upstream branch for branch "
+                "'%s' remote='%s', merge='%s'" % (branch, remote, merge))
+
+
+def GetRangeInBranch(git_dir, branch, include_upstream=False):
+    """Returns an expression for the commits in the given branch.
+
+    Args:
+        git_dir: Directory containing git repo
+        branch: Name of branch
+    Return:
+        Expression in the form 'upstream..branch' which can be used to
+        access the commits.
+    """
+    upstream = GetUpstream(git_dir, branch)
+    return '%s%s..%s' % (upstream, '~' if include_upstream else '', branch)
+
+def CountCommitsInBranch(git_dir, branch, include_upstream=False):
+    """Returns the number of commits in the given branch.
+
+    Args:
+        git_dir: Directory containing git repo
+        branch: Name of branch
+    Return:
+        Number of patches that exist on top of the branch
+    """
+    range_expr = GetRangeInBranch(git_dir, branch, include_upstream)
+    pipe = [['git', '--git-dir', git_dir, 'log', '--oneline', range_expr],
+            ['wc', '-l']]
+    result = command.RunPipe(pipe, capture=True, oneline=True)
+    patch_count = int(result.stdout)
+    return patch_count
+
+def CountCommits(commit_range):
+    """Returns the number of commits in the given range.
+
+    Args:
+        commit_range: Range of commits to count (e.g. 'HEAD..base')
+    Return:
+        Number of patches that exist on top of the branch
+    """
+    pipe = [['git', 'log', '--oneline', commit_range],
+            ['wc', '-l']]
+    stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
     patch_count = int(stdout)
     return patch_count
 
+def Checkout(commit_hash, git_dir=None, work_tree=None, force=False):
+    """Checkout the selected commit for this build
+
+    Args:
+        commit_hash: Commit hash to check out
+    """
+    pipe = ['git']
+    if git_dir:
+        pipe.extend(['--git-dir', git_dir])
+    if work_tree:
+        pipe.extend(['--work-tree', work_tree])
+    pipe.append('checkout')
+    if force:
+        pipe.append('-f')
+    pipe.append(commit_hash)
+    result = command.RunPipe([pipe], capture=True, raise_on_error=False)
+    if result.return_code != 0:
+        raise OSError, 'git checkout (%s): %s' % (pipe, result.stderr)
+
+def Clone(git_dir, output_dir):
+    """Checkout the selected commit for this build
+
+    Args:
+        commit_hash: Commit hash to check out
+    """
+    pipe = ['git', 'clone', git_dir, '.']
+    result = command.RunPipe([pipe], capture=True, cwd=output_dir)
+    if result.return_code != 0:
+        raise OSError, 'git clone: %s' % result.stderr
+
+def Fetch(git_dir=None, work_tree=None):
+    """Fetch from the origin repo
+
+    Args:
+        commit_hash: Commit hash to check out
+    """
+    pipe = ['git']
+    if git_dir:
+        pipe.extend(['--git-dir', git_dir])
+    if work_tree:
+        pipe.extend(['--work-tree', work_tree])
+    pipe.append('fetch')
+    result = command.RunPipe([pipe], capture=True)
+    if result.return_code != 0:
+        raise OSError, 'git fetch: %s' % result.stderr
+
 def CreatePatches(start, count, series):
     """Create a series of patches from the top of the current branch.
 
@@ -159,7 +273,7 @@ def ApplyPatches(verbose, args, start_point):
         print stdout, stderr
     return error_count == 0
 
-def BuildEmailList(in_list, tag=None, alias=None):
+def BuildEmailList(in_list, tag=None, alias=None, raise_on_error=True):
     """Build a list of email addresses based on an input list.
 
     Takes a list of email addresses and aliases, and turns this into a list
@@ -172,6 +286,9 @@ def BuildEmailList(in_list, tag=None, alias=None):
     Args:
         in_list:        List of aliases/email addresses
         tag:            Text to put before each address
+        alias:          Alias dictionary
+        raise_on_error: True to raise an error when an alias fails to match,
+                False to just print a message.
 
     Returns:
         List of email addresses
@@ -193,7 +310,7 @@ def BuildEmailList(in_list, tag=None, alias=None):
     quote = '"' if tag and tag[0] == '-' else ''
     raw = []
     for item in in_list:
-        raw += LookupEmail(item, alias)
+        raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
     result = []
     for item in raw:
         if not item in result:
@@ -202,8 +319,8 @@ def BuildEmailList(in_list, tag=None, alias=None):
         return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
     return result
 
-def EmailPatches(series, cover_fname, args, dry_run, cc_fname,
-        self_only=False, alias=None):
+def EmailPatches(series, cover_fname, args, dry_run, raise_on_error, cc_fname,
+        self_only=False, alias=None, in_reply_to=None):
     """Email a patch series.
 
     Args:
@@ -211,8 +328,12 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname,
         cover_fname: filename of cover letter
         args: list of filenames of patch files
         dry_run: Just return the command that would be run
+        raise_on_error: True to raise an error when an alias fails to match,
+                False to just print a message.
         cc_fname: Filename of Cc file for per-commit Cc
         self_only: True to just email to yourself as a test
+        in_reply_to: If set we'll pass this to git as --in-reply-to.
+            Should be a message ID that this is in reply to.
 
     Returns:
         Git command that was/would be run
@@ -231,20 +352,21 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname,
     >>> series = series.Series()
     >>> series.to = ['fred']
     >>> series.cc = ['mary']
-    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, 'cc-fname', False, \
-            alias)
+    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
+            False, alias)
     'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
-    >>> EmailPatches(series, None, ['p1'], True, 'cc-fname', False, alias)
+    >>> EmailPatches(series, None, ['p1'], True, True, 'cc-fname', False, \
+            alias)
     'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" p1'
     >>> series.cc = ['all']
-    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, 'cc-fname', True, \
-            alias)
+    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
+            True, alias)
     'git send-email --annotate --to "this-is-me@me.com" --cc-cmd "./patman \
 --cc-cmd cc-fname" cover p1 p2'
-    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, 'cc-fname', False, \
-            alias)
+    >>> EmailPatches(series, 'cover', ['p1', 'p2'], True, True, 'cc-fname', \
+            False, alias)
     'git send-email --annotate --to "f.bloggs@napier.co.nz" --cc \
 "f.bloggs@napier.co.nz" --cc "j.bloggs@napier.co.nz" --cc \
 "m.poppins@cloud.net" --cc-cmd "./patman --cc-cmd cc-fname" cover p1 p2'
@@ -252,16 +374,19 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname,
     # Restore argv[0] since we clobbered it.
     >>> sys.argv[0] = _old_argv0
     """
-    to = BuildEmailList(series.get('to'), '--to', alias)
+    to = BuildEmailList(series.get('to'), '--to', alias, raise_on_error)
     if not to:
         print ("No recipient, please add something like this to a commit\n"
             "Series-to: Fred Bloggs <f.blogs@napier.co.nz>")
         return
-    cc = BuildEmailList(series.get('cc'), '--cc', alias)
+    cc = BuildEmailList(series.get('cc'), '--cc', alias, raise_on_error)
     if self_only:
-        to = BuildEmailList([os.getenv('USER')], '--to', alias)
+        to = BuildEmailList([os.getenv('USER')], '--to', alias, raise_on_error)
         cc = []
     cmd = ['git', 'send-email', '--annotate']
+    if in_reply_to:
+        cmd.append('--in-reply-to="%s"' % in_reply_to)
+
     cmd += to
     cmd += cc
     cmd += ['--cc-cmd', '"%s --cc-cmd %s"' % (sys.argv[0], cc_fname)]
@@ -274,13 +399,16 @@ def EmailPatches(series, cover_fname, args, dry_run, cc_fname,
     return str
 
 
-def LookupEmail(lookup_name, alias=None, level=0):
+def LookupEmail(lookup_name, alias=None, raise_on_error=True, level=0):
     """If an email address is an alias, look it up and return the full name
 
     TODO: Why not just use git's own alias feature?
 
     Args:
         lookup_name: Alias or email address to look up
+        alias: Dictionary containing aliases (None to use settings default)
+        raise_on_error: True to raise an error when an alias fails to match,
+                False to just print a message.
 
     Returns:
         tuple:
@@ -314,6 +442,15 @@ def LookupEmail(lookup_name, alias=None, level=0):
     Traceback (most recent call last):
     ...
     OSError: Recursive email alias at 'other'
+    >>> LookupEmail('odd', alias, raise_on_error=False)
+    \033[1;31mAlias 'odd' not found\033[0m
+    []
+    >>> # In this case the loop part will effectively be ignored.
+    >>> LookupEmail('loop', alias, raise_on_error=False)
+    \033[1;31mRecursive email alias at 'other'\033[0m
+    \033[1;31mRecursive email alias at 'john'\033[0m
+    \033[1;31mRecursive email alias at 'mary'\033[0m
+    ['j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
     """
     if not alias:
         alias = settings.alias
@@ -322,16 +459,27 @@ def LookupEmail(lookup_name, alias=None, level=0):
         return [lookup_name]
 
     lookup_name = lookup_name.lower()
+    col = terminal.Color()
 
+    out_list = []
     if level > 10:
-        raise OSError, "Recursive email alias at '%s'" % lookup_name
+        msg = "Recursive email alias at '%s'" % lookup_name
+        if raise_on_error:
+            raise OSError, msg
+        else:
+            print col.Color(col.RED, msg)
+            return out_list
 
-    out_list = []
     if lookup_name:
         if not lookup_name in alias:
-            raise ValueError, "Alias '%s' not found" % lookup_name
+            msg = "Alias '%s' not found" % lookup_name
+            if raise_on_error:
+                raise ValueError, msg
+            else:
+                print col.Color(col.RED, msg)
+                return out_list
         for item in alias[lookup_name]:
-            todo = LookupEmail(item, alias, level + 1)
+            todo = LookupEmail(item, alias, raise_on_error, level + 1)
             for new_item in todo:
                 if not new_item in out_list:
                     out_list.append(new_item)
@@ -359,7 +507,8 @@ def GetAliasFile():
     Returns:
         Filename of git alias file, or None if none
     """
-    fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile')
+    fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
+            raise_on_error=False)
     if fname:
         fname = os.path.join(GetTopLevel(), fname.strip())
     return fname
@@ -389,6 +538,14 @@ def Setup():
     if alias_fname:
         settings.ReadGitAliases(alias_fname)
 
+def GetHead():
+    """Get the hash of the current HEAD
+
+    Returns:
+        Hash of HEAD
+    """
+    return command.OutputOneLine('git', 'show', '-s', '--pretty=format:%H')
+
 if __name__ == "__main__":
     import doctest