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- Committer: Tim Marston
- Date: 2021-09-01 12:22:39 UTC
- Revision ID: tim@ed.am-20210901122239-u3c96zhkl5rdrwqn
main script uses @PYTHON@ from configure
- files added:
- dev
- files renamed:
- version => VERSION
- files modified:
- .bzrignore
added
removed
lib/stdhome/vcs/bzr.py
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import subprocess, os, re, shutil
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from subprocess import Popen
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import StringIO
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from vcs import Vcs
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import io
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from .vcs import Vcs
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from stdhome import the
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@param dir the fully-qualified directory to work in.
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"""
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self.dir = dir
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self.ignored_files = [ '.bzr', '.bzrignore' ]
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def has_authority( self ):
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"""Check that the directory is under this VCS's control.
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"""
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return os.path.exists( os.path.join( self.dir, '.bzr' ) )
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def expand_repo_url( self, url ):
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"""Convert a simple hostname in to an URL that the VCS can use.
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"""
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return 'bzr+ssh://%s/%s/%s' % ( url, the.dir, the.repo.name )
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def init( self ):
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"""Obtain some sort of revision identifier
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"""
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# bzr revert
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# bzr revno
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output = self.run( [ 'bzr', 'revno', '--tree' ] )
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# parse revno
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buf = StringIO.StringIO( output )
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buf = io.StringIO( output )
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return buf.readline().rstrip()
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revision.
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"""
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# bzr revert (run twice to handle a bug in bzr where reverting a
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# directory from a symlink can cause conflicts during initial revert)
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self.run( [ 'bzr', 'revert', '--no-backup' ] )
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# bzr st
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output = self.run( [ 'bzr', 'status' ] )
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files = self.parse_file_blocks( output )
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# remove kind changed files (or they can cause `bzr revert` to break in
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# strange situations, like when a directory has been replaced with a
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# symlink to a non-existant file)
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if 'kind changed' in files:
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for file in files[ 'kind changed' ]:
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matches = re.search( '^(.+?)[/@+]? \([^)]+\)$', file )
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if not matches:
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raise RunTimeError(
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'failed to parse bzr kind change: %s' % file )
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file = matches.group( 1 )
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if the.verbose >= 2: print("removing (kind changed): " + file)
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full_file = os.path.join( self.dir, file )
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if os.path.isfile( full_file ) or os.path.islink( full_file ):
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os.unlink( full_file )
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elif os.path.isdir( full_file ):
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shutil.rmtree( full_file )
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else:
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raise RuntimeError( 'exotic file in repo: %s' % file )
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# bzr revert
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self.run( [ 'bzr', 'revert', '--no-backup' ] )
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# bzr st
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# remove unknown files
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if 'unknown' in files:
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for file in files[ 'unknown' ]:
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if the.verbose > 1: print "removing unknown: " + file
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matches = re.search( r'^(.+?)[/@+]?$', file )
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if not matches:
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raise RunTimeError(
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'failed to parse bzr unknowns: %s' % file )
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file = matches.group( 1 )
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if the.verbose >= 2: print("removing (unknown): " + file)
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full_file = os.path.join( self.dir, file )
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if os.path.isfile( full_file ):
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if os.path.isfile( full_file ) or os.path.islink( full_file ):
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os.unlink( full_file )
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elif os.path.isdir( full_file ):
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shutil.rmtree( full_file )
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else:
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raise RuntimeError( 'exotic file in repo: %s' % file )
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# if a revision identifyer has been given, update to that
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if revno is not None:
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# if a revision identifier has been given, ensure we're updated to that
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if revno is not None and self.get_revno() != revno:
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# bzr update
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self.run( [ 'bzr', 'update', '-r', revno ] )
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# parse output (see logic in report() in bzrlib/delta.py)
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files = list()
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buf = StringIO.StringIO( output )
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buf = io.StringIO( output )
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for line in buf:
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if not re.search( '^[-R+ ?][K NMD!][* ] ', line ): continue
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line = line.rstrip()
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if the.verbose > 1: print ' %s' % line
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# renames show before and after file names
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matches = re.search( '^R.. (.*?)[/@+]? => (.*?)[/@+]?$', line )
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continue
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raise RuntimeError(
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'failed to parse bzr update output line:\n%' % line )
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'failed to parse bzr update output line:\n%s' % line )
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return files
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def status( self ):
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"""Get a list of any local modifications. This method returns a list of files
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which are modified.
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"""
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# bzr status
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output = self.run( [ 'bzr', 'status', '--no-pending' ] )
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# parse output
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return self.parse_file_blocks( output )
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def has_changes( self ):
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"""Check if the branch has any local modifications.
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"""
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return files['conflicts'] if 'conflicts' in files else None
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def add( self, files ):
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"""Make sure files are added to version control.
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@param files a list of relative filenames
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"""
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# bzr add
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self.run( [ 'bzr', 'add', '-N' ] + files )
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def commit( self ):
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"""Commit changes to the repo.
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"""
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# bzr commit
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try:
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self.run( [ 'bzr', 'commit', '-m', '' ] )
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except self.VcsError as e:
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if re.search( 'Working tree is out of date', e.output ):
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raise the.program.FatalError(
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'you must update your files first.\n' +
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'Hint: see "%s update --help"' % the.program.name );
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else:
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raise e
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def run( self, cmd ):
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if the.verbose > 1: print 'exec: %s' % ' '.join( cmd )
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if the.verbose >= 2: print('exec: %s' % ' '.join( cmd ))
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p = Popen( cmd, cwd = self.dir,
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stdout = subprocess.PIPE, stderr = subprocess.STDOUT )
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output = p.communicate()[ 0 ]
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output = p.communicate()[ 0 ].decode()
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if p.returncode > 0:
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raise self.VcsError( ' '.join( cmd[ : 2 ] ), output )
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if the.verbose >= 2:
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verbose_output = output.rstrip()
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if len( verbose_output ):
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print(re.sub( '(^|\n)', '\\1 : ', verbose_output ))
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return output
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def parse_file_blocks( self, output ):
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res = dict()
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current = None
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buf = StringIO.StringIO( output )
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buf = io.StringIO( output )
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for line in buf:
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matches = re.search( '^([a-z ]+):$', line, re.I )
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if matches:
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res[ current ] = list()
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res[ current ].append( matches.group( 1 ) )
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continue
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if re.search( '^[0-9]+ shelf exists', line ): continue
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if re.search( '^[0-9]+ shel(?:f|ves) exists?', line ): continue
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if re.search( '^working tree is out of date', line ): continue
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raise self.ParseError( "unrecognised line: %s" % line )
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return res
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