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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/tools/patman/gitutil.py
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/tools/patman/gitutil.py')
-rw-r--r--qemu/roms/u-boot/tools/patman/gitutil.py549
1 files changed, 549 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/patman/gitutil.py b/qemu/roms/u-boot/tools/patman/gitutil.py
new file mode 100644
index 000000000..3ea256de2
--- /dev/null
+++ b/qemu/roms/u-boot/tools/patman/gitutil.py
@@ -0,0 +1,549 @@
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+import command
+import re
+import os
+import series
+import subprocess
+import sys
+import terminal
+
+import checkpatch
+import settings
+
+
+def CountCommitsToBranch():
+ """Returns number of commits between HEAD and the tracking branch.
+
+ This looks back to the tracking branch and works out the number of commits
+ since then.
+
+ Return:
+ Number of patches that exist on top of the branch
+ """
+ pipe = [['git', 'log', '--no-color', '--oneline', '--no-decorate',
+ '@{upstream}..'],
+ ['wc', '-l']]
+ 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
+ """
+ try:
+ 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)
+ except:
+ return None
+
+ 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. If the branch does not exist, returns None.
+ """
+ upstream = GetUpstream(git_dir, branch)
+ if not upstream:
+ return None
+ 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, or None if the
+ branch does not exist.
+ """
+ range_expr = GetRangeInBranch(git_dir, branch, include_upstream)
+ if not range_expr:
+ return None
+ pipe = [['git', '--git-dir', git_dir, 'log', '--oneline', '--no-decorate',
+ 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', '--no-decorate', 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.
+
+ The patch files are written to the current directory using
+ git format-patch.
+
+ Args:
+ start: Commit to start from: 0=HEAD, 1=next one, etc.
+ count: number of commits to include
+ Return:
+ Filename of cover letter
+ List of filenames of patch files
+ """
+ if series.get('version'):
+ version = '%s ' % series['version']
+ cmd = ['git', 'format-patch', '-M', '--signoff']
+ if series.get('cover'):
+ cmd.append('--cover-letter')
+ prefix = series.GetPatchPrefix()
+ if prefix:
+ cmd += ['--subject-prefix=%s' % prefix]
+ cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)]
+
+ stdout = command.RunList(cmd)
+ files = stdout.splitlines()
+
+ # We have an extra file if there is a cover letter
+ if series.get('cover'):
+ return files[0], files[1:]
+ 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]
+
+ # 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.
+
+ Takes a list of email addresses and aliases, and turns this into a list
+ of only email address, by resolving any aliases that are present.
+
+ If the tag is given, then each email address is prepended with this
+ tag and a space. If the tag starts with a minus sign (indicating a
+ command line parameter) then the email address is quoted.
+
+ 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
+
+ >>> alias = {}
+ >>> alias['fred'] = ['f.bloggs@napier.co.nz']
+ >>> alias['john'] = ['j.bloggs@napier.co.nz']
+ >>> alias['mary'] = ['Mary Poppins <m.poppins@cloud.net>']
+ >>> alias['boys'] = ['fred', ' john']
+ >>> alias['all'] = ['fred ', 'john', ' mary ']
+ >>> BuildEmailList(['john', 'mary'], None, alias)
+ ['j.bloggs@napier.co.nz', 'Mary Poppins <m.poppins@cloud.net>']
+ >>> BuildEmailList(['john', 'mary'], '--to', alias)
+ ['--to "j.bloggs@napier.co.nz"', \
+'--to "Mary Poppins <m.poppins@cloud.net>"']
+ >>> BuildEmailList(['john', 'mary'], 'Cc', alias)
+ ['Cc j.bloggs@napier.co.nz', 'Cc Mary Poppins <m.poppins@cloud.net>']
+ """
+ quote = '"' if tag and tag[0] == '-' else ''
+ raw = []
+ for item in in_list:
+ raw += LookupEmail(item, alias, raise_on_error=raise_on_error)
+ result = []
+ for item in raw:
+ if not item in result:
+ result.append(item)
+ if tag:
+ return ['%s %s%s%s' % (tag, quote, email, quote) for email in result]
+ return result
+
+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:
+ series: Series object containing destination info
+ 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
+
+ # For the duration of this doctest pretend that we ran patman with ./patman
+ >>> _old_argv0 = sys.argv[0]
+ >>> sys.argv[0] = './patman'
+
+ >>> alias = {}
+ >>> alias['fred'] = ['f.bloggs@napier.co.nz']
+ >>> alias['john'] = ['j.bloggs@napier.co.nz']
+ >>> alias['mary'] = ['m.poppins@cloud.net']
+ >>> alias['boys'] = ['fred', ' john']
+ >>> alias['all'] = ['fred ', 'john', ' mary ']
+ >>> alias[os.getenv('USER')] = ['this-is-me@me.com']
+ >>> series = series.Series()
+ >>> series.to = ['fred']
+ >>> series.cc = ['mary']
+ >>> 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, 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, 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, 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'
+
+ # Restore argv[0] since we clobbered it.
+ >>> sys.argv[0] = _old_argv0
+ """
+ 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, raise_on_error)
+ if self_only:
+ 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)]
+ if cover_fname:
+ cmd.append(cover_fname)
+ cmd += args
+ str = ' '.join(cmd)
+ if not dry_run:
+ os.system(str)
+ return str
+
+
+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:
+ list containing a list of email addresses
+
+ Raises:
+ OSError if a recursive alias reference was found
+ ValueError if an alias was not found
+
+ >>> alias = {}
+ >>> alias['fred'] = ['f.bloggs@napier.co.nz']
+ >>> alias['john'] = ['j.bloggs@napier.co.nz']
+ >>> alias['mary'] = ['m.poppins@cloud.net']
+ >>> alias['boys'] = ['fred', ' john', 'f.bloggs@napier.co.nz']
+ >>> alias['all'] = ['fred ', 'john', ' mary ']
+ >>> alias['loop'] = ['other', 'john', ' mary ']
+ >>> alias['other'] = ['loop', 'john', ' mary ']
+ >>> LookupEmail('mary', alias)
+ ['m.poppins@cloud.net']
+ >>> LookupEmail('arthur.wellesley@howe.ro.uk', alias)
+ ['arthur.wellesley@howe.ro.uk']
+ >>> LookupEmail('boys', alias)
+ ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz']
+ >>> LookupEmail('all', alias)
+ ['f.bloggs@napier.co.nz', 'j.bloggs@napier.co.nz', 'm.poppins@cloud.net']
+ >>> LookupEmail('odd', alias)
+ Traceback (most recent call last):
+ ...
+ ValueError: Alias 'odd' not found
+ >>> LookupEmail('loop', alias)
+ 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
+ lookup_name = lookup_name.strip()
+ if '@' in lookup_name: # Perhaps a real email address
+ return [lookup_name]
+
+ lookup_name = lookup_name.lower()
+ col = terminal.Color()
+
+ out_list = []
+ if level > 10:
+ 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
+
+ if lookup_name:
+ if not lookup_name in alias:
+ 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, raise_on_error, level + 1)
+ for new_item in todo:
+ if not new_item in out_list:
+ out_list.append(new_item)
+
+ #print "No match for alias '%s'" % lookup_name
+ return out_list
+
+def GetTopLevel():
+ """Return name of top-level directory for this git repo.
+
+ Returns:
+ Full path to git top-level directory
+
+ This test makes sure that we are running tests in the right subdir
+
+ >>> os.path.realpath(os.path.dirname(__file__)) == \
+ os.path.join(GetTopLevel(), 'tools', 'patman')
+ True
+ """
+ return command.OutputOneLine('git', 'rev-parse', '--show-toplevel')
+
+def GetAliasFile():
+ """Gets the name of the git alias file.
+
+ Returns:
+ Filename of git alias file, or None if none
+ """
+ fname = command.OutputOneLine('git', 'config', 'sendemail.aliasesfile',
+ raise_on_error=False)
+ if fname:
+ fname = os.path.join(GetTopLevel(), fname.strip())
+ return fname
+
+def GetDefaultUserName():
+ """Gets the user.name from .gitconfig file.
+
+ Returns:
+ User name found in .gitconfig file, or None if none
+ """
+ uname = command.OutputOneLine('git', 'config', '--global', 'user.name')
+ return uname
+
+def GetDefaultUserEmail():
+ """Gets the user.email from the global .gitconfig file.
+
+ Returns:
+ User's email found in .gitconfig file, or None if none
+ """
+ uemail = command.OutputOneLine('git', 'config', '--global', 'user.email')
+ return uemail
+
+def Setup():
+ """Set up git utils, by reading the alias files."""
+ # Check for a git alias file also
+ alias_fname = GetAliasFile()
+ 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
+
+ doctest.testmod()