CVSROOT/syncmail - rockbox - Gitiles

 #! /usr/bin/python
 #  -*- Python -*-

 """Complicated notification for CVS checkins.

 This script is used to provide email notifications of changes to the CVS
 repository.  These email changes will include context diffs of the changes.
 Really big diffs will be trimmed.

 This script is run from a CVS loginfo file (see $CVSROOT/CVSROOT/loginfo).  To
 set this up, create a loginfo entry that looks something like this:

     mymodule /path/to/this/script %%s some-email-addr@your.domain

 In this example, whenever a checkin that matches `mymodule' is made, this
 script is invoked, which will generate the diff containing email, and send it
 to some-email-addr@your.domain.

     Note: This module used to also do repository synchronizations via
     rsync-over-ssh, but since the repository has been moved to SourceForge,
     this is no longer necessary.  The syncing functionality has been ripped
     out in the 3.0, which simplifies it considerably.  Access the 2.x versions
     to refer to this functionality.  Because of this, the script is misnamed.

 It no longer makes sense to run this script from the command line.  Doing so
 will only print out this usage information.

 Usage:

     %(PROGRAM)s [options] <%%S> email-addr [email-addr ...]

 Where options is:

     --cvsroot=<path>
 Use <path> as the environment variable CVSROOT.  Otherwise this
     	variable must exist in the environment.

     --help
     -h
         Print this text.

     --context=#
     -C #
         Include # lines of context around lines that differ (default: 2).

     -c
         Produce a context diff (default).

     -u
         Produce a unified diff (smaller, but harder to read).

     -U user
         Mark diff as made by user.

     <%%S>
 CVS %%s loginfo expansion.  When invoked by CVS, this will be a single
         string containing the directory the checkin is being made in, relative
         to $CVSROOT, followed by the list of files that are changing.  If the
         %%s in the loginfo file is %%{sVv}, context diffs for each of the
         modified files are included in any email messages that are generated.

     email-addrs
         At least one email address.

 """

 import os
 import sys
 import string
 import time
 import getopt

 # Notification command
 MAILCMD = '/bin/mail -s "%(username)s: %(SUBJECT)s" %(PEOPLE)s 2>&1 > /dev/null'

 # Diff trimming stuff
 DIFF_HEAD_LINES = 20
 DIFF_TAIL_LINES = 20
 DIFF_TRUNCATE_IF_LARGER = 1000

 PROGRAM = sys.argv[0]


 def usage(code, msg=''):
     print __doc__ % globals()
     if msg:
         print msg
     sys.exit(code)


 def calculate_diff(filespec, contextlines):
     try:
         file, oldrev, newrev = string.split(filespec, ',')
     except ValueError:
         # No diff to report
         return '***** Bogus filespec: %s' % filespec
     if oldrev == 'NONE':
         try:
             if os.path.exists(file):
                 fp = open(file)
             else:
                 update_cmd = 'cvs -fn update -r %s -p %s' % (newrev, file)
                 fp = os.popen(update_cmd)
             lines = fp.readlines()
             fp.close()
             lines.insert(0, '--- NEW FILE: %s ---\n' % file)
         except IOError, e:
             lines = ['***** Error reading new file: ',
                      str(e), '\n***** file: ', file, ' cwd: ', os.getcwd()]
     elif newrev == 'NONE':
         lines = ['--- %s DELETED ---\n' % file]
     else:
         # This /has/ to happen in the background, otherwise we'll run into CVS
         # lock contention.  What a crock.
         if contextlines > 0:
             difftype = "-C " + str(contextlines)
         else:
             difftype = "-uN"
         diffcmd = '/usr/bin/cvs -f diff -kk %s -b -r %s -r %s %s' % (
             difftype, oldrev, newrev, file)
         fp = os.popen(diffcmd)
         lines = fp.readlines()
         sts = fp.close()
         # ignore the error code, it always seems to be 1 :(
 ##        if sts:
 ##            return 'Error code %d occurred during diff\n' % (sts >> 8)
     if len(lines) > DIFF_TRUNCATE_IF_LARGER:
         removedlines = len(lines) - DIFF_HEAD_LINES - DIFF_TAIL_LINES
         del lines[DIFF_HEAD_LINES:-DIFF_TAIL_LINES]
         lines.insert(DIFF_HEAD_LINES,
                      '[...%d lines suppressed...]\n' % removedlines)
     return string.join(lines, '')


 def blast_mail(mailcmd, filestodiff, contextlines):
     # cannot wait for child process or that will cause parent to retain cvs
     # lock for too long.  Urg!
     if not os.fork():
         # in the child
         # give up the lock you cvs thang!
         time.sleep(2)
         fp = os.popen(mailcmd, 'w')
         fp.write(sys.stdin.read())
         fp.write('\n')
         # append the diffs if available
         for file in filestodiff:
             fp.write(calculate_diff(file, contextlines))
             fp.write('\n')
         fp.close()
         # doesn't matter what code we return, it isn't waited on
         os._exit(0)


 # scan args for options
 def main():
     contextlines = 2
     try:
         opts, args = getopt.getopt(sys.argv[1:], 'hC:cuU:',
                                    ['context=', 'cvsroot=', 'help'])
     except getopt.error, msg:
         usage(1, msg)

     username = 'unknown'

     # parse the options
     for opt, arg in opts:
         if opt in ('-h', '--help'):
             usage(0)
         elif opt == '--cvsroot':
             os.environ['CVSROOT'] = arg
         elif opt in ('-C', '--context'):
             contextlines = int(arg)
         elif opt == '-c':
             if contextlines <= 0:
                 contextlines = 2
         elif opt == '-u':
             contextlines = 0
         elif opt == '-U':
             username = arg

     # What follows is the specification containing the files that were
     # modified.  The argument actually must be split, with the first component
     # containing the directory the checkin is being made in, relative to
     # $CVSROOT, followed by the list of files that are changing.
     if not args:
         usage(1, 'No CVS module specified')
     SUBJECT = args[0]
     specs = string.split(args[0])
     del args[0]

     # The remaining args should be the email addresses
     if not args:
         usage(1, 'No recipients specified')

     # Now do the mail command
     PEOPLE = string.join(args)
     mailcmd = MAILCMD % vars()

     print 'Mailing %s...' % PEOPLE
     if specs == ['-', 'Imported', 'sources']:
         return
     if specs[-3:] == ['-', 'New', 'directory']:
         del specs[-3:]
     print 'Generating notification message...'
     blast_mail(mailcmd, specs[1:], contextlines)
     print 'Generating notification message... done.'


 if __name__ == '__main__':
     main()
     sys.exit(0)
	#! /usr/bin/python
	# -- Python --

	"""Complicated notification for CVS checkins.

	This script is used to provide email notifications of changes to the CVS
	repository. These email changes will include context diffs of the changes.
	Really big diffs will be trimmed.

	This script is run from a CVS loginfo file (see $CVSROOT/CVSROOT/loginfo). To
	set this up, create a loginfo entry that looks something like this:

	mymodule /path/to/this/script %%s some-email-addr@your.domain

	In this example, whenever a checkin that matches `mymodule' is made, this
	script is invoked, which will generate the diff containing email, and send it
	to some-email-addr@your.domain.

	Note: This module used to also do repository synchronizations via
	rsync-over-ssh, but since the repository has been moved to SourceForge,
	this is no longer necessary. The syncing functionality has been ripped
	out in the 3.0, which simplifies it considerably. Access the 2.x versions
	to refer to this functionality. Because of this, the script is misnamed.

	It no longer makes sense to run this script from the command line. Doing so
	will only print out this usage information.

	Usage:

	%(PROGRAM)s [options] <%%S> email-addr [email-addr ...]

	Where options is:

	--cvsroot=<path>
	Use <path> as the environment variable CVSROOT. Otherwise this
	variable must exist in the environment.

	--help
	-h
	Print this text.

	--context=#
	-C #
	Include # lines of context around lines that differ (default: 2).

	-c
	Produce a context diff (default).

	-u
	Produce a unified diff (smaller, but harder to read).

	-U user
	Mark diff as made by user.

	<%%S>
	CVS %%s loginfo expansion. When invoked by CVS, this will be a single
	string containing the directory the checkin is being made in, relative
	to $CVSROOT, followed by the list of files that are changing. If the
	%%s in the loginfo file is %%{sVv}, context diffs for each of the
	modified files are included in any email messages that are generated.

	email-addrs
	At least one email address.

	"""

	import os
	import sys
	import string
	import time
	import getopt

	# Notification command
	MAILCMD = '/bin/mail -s "%(username)s: %(SUBJECT)s" %(PEOPLE)s 2>&1 > /dev/null'

	# Diff trimming stuff
	DIFF_HEAD_LINES = 20
	DIFF_TAIL_LINES = 20
	DIFF_TRUNCATE_IF_LARGER = 1000

	PROGRAM = sys.argv[0]



	def usage(code, msg=''):
	print __doc__ % globals()
	if msg:
	print msg
	sys.exit(code)



	def calculate_diff(filespec, contextlines):
	try:
	file, oldrev, newrev = string.split(filespec, ',')
	except ValueError:
	# No diff to report
	return '***** Bogus filespec: %s' % filespec
	if oldrev == 'NONE':
	try:
	if os.path.exists(file):
	fp = open(file)
	else:
	update_cmd = 'cvs -fn update -r %s -p %s' % (newrev, file)
	fp = os.popen(update_cmd)
	lines = fp.readlines()
	fp.close()
	lines.insert(0, '--- NEW FILE: %s ---\n' % file)
	except IOError, e:
	lines = ['***** Error reading new file: ',
	str(e), '\n***** file: ', file, ' cwd: ', os.getcwd()]
	elif newrev == 'NONE':
	lines = ['--- %s DELETED ---\n' % file]
	else:
	# This /has/ to happen in the background, otherwise we'll run into CVS
	# lock contention. What a crock.
	if contextlines > 0:
	difftype = "-C " + str(contextlines)
	else:
	difftype = "-uN"
	diffcmd = '/usr/bin/cvs -f diff -kk %s -b -r %s -r %s %s' % (
	difftype, oldrev, newrev, file)
	fp = os.popen(diffcmd)
	lines = fp.readlines()
	sts = fp.close()
	# ignore the error code, it always seems to be 1 :(
	## if sts:
	## return 'Error code %d occurred during diff\n' % (sts >> 8)
	if len(lines) > DIFF_TRUNCATE_IF_LARGER:
	removedlines = len(lines) - DIFF_HEAD_LINES - DIFF_TAIL_LINES
	del lines[DIFF_HEAD_LINES:-DIFF_TAIL_LINES]
	lines.insert(DIFF_HEAD_LINES,
	'[...%d lines suppressed...]\n' % removedlines)
	return string.join(lines, '')



	def blast_mail(mailcmd, filestodiff, contextlines):
	# cannot wait for child process or that will cause parent to retain cvs
	# lock for too long. Urg!
	if not os.fork():
	# in the child
	# give up the lock you cvs thang!
	time.sleep(2)
	fp = os.popen(mailcmd, 'w')
	fp.write(sys.stdin.read())
	fp.write('\n')
	# append the diffs if available
	for file in filestodiff:
	fp.write(calculate_diff(file, contextlines))
	fp.write('\n')
	fp.close()
	# doesn't matter what code we return, it isn't waited on
	os._exit(0)



	# scan args for options
	def main():
	contextlines = 2
	try:
	opts, args = getopt.getopt(sys.argv[1:], 'hC:cuU:',
	['context=', 'cvsroot=', 'help'])
	except getopt.error, msg:
	usage(1, msg)

	username = 'unknown'

	# parse the options
	for opt, arg in opts:
	if opt in ('-h', '--help'):
	usage(0)
	elif opt == '--cvsroot':
	os.environ['CVSROOT'] = arg
	elif opt in ('-C', '--context'):
	contextlines = int(arg)
	elif opt == '-c':
	if contextlines <= 0:
	contextlines = 2
	elif opt == '-u':
	contextlines = 0
	elif opt == '-U':
	username = arg

	# What follows is the specification containing the files that were
	# modified. The argument actually must be split, with the first component
	# containing the directory the checkin is being made in, relative to
	# $CVSROOT, followed by the list of files that are changing.
	if not args:
	usage(1, 'No CVS module specified')
	SUBJECT = args[0]
	specs = string.split(args[0])
	del args[0]

	# The remaining args should be the email addresses
	if not args:
	usage(1, 'No recipients specified')

	# Now do the mail command
	PEOPLE = string.join(args)
	mailcmd = MAILCMD % vars()

	print 'Mailing %s...' % PEOPLE
	if specs == ['-', 'Imported', 'sources']:
	return
	if specs[-3:] == ['-', 'New', 'directory']:
	del specs[-3:]
	print 'Generating notification message...'
	blast_mail(mailcmd, specs[1:], contextlines)
	print 'Generating notification message... done.'



	if __name__ == '__main__':
	main()
	sys.exit(0)