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files/jsvn

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#!/usr/bin/env python
# Josh's SVN wrapper script
#
# Recommend putting in path as 'jsvn' or something other than 'svn' and
# making an alias svn='jsvn'. For example, this .bash_aliases stanza
# will check if 'jsvn' is in your path and automatically alias 'svn' to
# it if so:
# if [[ "$(which jsvn 2>/dev/null)" != "" ]]; then
# alias svn='jsvn'
# fi
#
# The script detects if you have colorsvn and colordiff and uses them for
# appropriate subcommands if so.
#
# Implemented subcommands:
# branch[es] [[-d] <branch_name>]
# - with no arguments, list branches with '*' by the current one
# - with -d, delete <branch>
# - otherwise, create a new branch from the current one
# tag[s] [[-d] <tag_name>] | [-m <old_tag_name> <new_tag_name>]
# - with no arguments, list tags
# - with -d, delete <tag>
# - with -m, rename <old_tag_name> to <new_tag_name>
# - otherwise, create a new tag from the current branch
# switch <short_name>
# - switch to 'trunk', branch name, or tag name without having to specify
# the full URL
# - falls back to Subversion "switch" if <short_name> doesn't exist
# merge <branch>
# - merge branch <branch> into the current WC path
# - falls back to Subversion "merge" if <branch> doesn't exist
# root
# - output root URL (for use on shell such as "svn log $(svn root)/tags")
# watch-lock
# - block until the lock on a file/URL is released
# users
# - show a list of contributing users to a SVN path
# binaries [--set-lock]
# - show a list of versioned binary files under the current path, with
# a prepended '*' for those with svn:needs-lock set
# - with --set-lock, set svn:needs-lock to '*' for binaries
# lockable [--remove] | [--status] <file[s]>
# - with no switches, set svn:needs-lock to '*' for file[s]
# - with --remove, remove svn:needs-lock' for file[s]
# - with --status, prepended '*' for those with svn:needs-lock set
import sys
import os
import re
import time
from subprocess import *
###########################################################################
# Subcommand Handler Return Values #
###########################################################################
RET_OK = 0
RET_ERR = 1
RET_REEXEC = 2
###########################################################################
# ANSI escape color code values #
###########################################################################
COLORS = {
'black': 0,
'red': 1,
'green': 2,
'yellow': 3,
'blue': 4,
'magenta': 5,
'cyan': 6,
'white': 7,
}
###########################################################################
# Utility Functions #
###########################################################################
def ansi_color(out, fg=None, bg=None, bold=False):
bc = 1 if bold else 0
if fg is not None:
out.write('\033[%d;%dm' % (bc, 30 + COLORS[fg]))
if bg is not None:
out.write('\033[%d;%dm' % (bc, 40 + COLORS[bg]))
def ansi_reset(out):
out.write('\033[0m')
def colordiff(out, line):
if re.search(r'^Index:\s', line):
ansi_color(out, 'yellow')
out.write(line)
ansi_reset(out)
return
if re.match(r'={67}', line):
ansi_color(out, 'yellow')
out.write(line)
ansi_reset(out)
return
if re.search(r'^-', line):
ansi_color(out, 'red')
out.write(line)
ansi_reset(out)
return
elif re.search(r'^\+', line):
ansi_color(out, 'green')
out.write(line)
ansi_reset(out)
return
m = re.match(r'(@@.*@@)(.*)', line)
if m is not None:
ansi_color(out, 'cyan')
out.write(m.group(1))
out.write(m.group(2))
ansi_reset(out)
return
out.write(line)
def findInPath(cmd):
path_entries = os.environ['PATH'].split(os.pathsep)
for p in path_entries:
full_path = os.path.join(p, cmd)
if os.path.exists(full_path):
return full_path
return ''
def getSVNURL(svn):
for line in Popen([svn, 'info'], stdout=PIPE).communicate()[0].split('\n'):
m = re.match(r'^URL:\s*(.*?)\s*$', line)
if m is not None:
return m.group(1)
return ''
def getSVNRoot(svn):
url = getSVNURL(svn)
parts = url.split('/')
for i in range(0, len(parts)):
if parts[i] in ('trunk', 'tags', 'branches'):
return '/'.join(parts[:i])
return ''
def getSVNRelPath(svn):
url = getSVNURL(svn)
parts = url.split('/')
for i in range(0, len(parts) - 1):
if parts[i] == 'trunk' or i > 0 and parts[i-1] in ('tags', 'branches'):
return '/' + '/'.join(parts[i+1:])
return '/'
def getSVNTopLevel(svn):
url = getSVNURL(svn)
parts = url.split('/')
for i in range(0, len(parts)):
if parts[i] == 'trunk' or i > 0 and parts[i-1] in ('tags', 'branches'):
return '/'.join(parts[:i+1])
return ''
def getSVNBranchList(svn):
colist = []
root = getSVNRoot(svn)
lines = Popen([svn, 'ls', root + '/branches'],
stdout=PIPE).communicate()[0].split('\n')
for line in lines:
if re.match(r'^\s*$', line) is None:
colist.append(re.sub(r'/$', '', line))
return colist
def getSVNTagList(svn):
colist = []
root = getSVNRoot(svn)
lines = Popen([svn, 'ls', root + '/tags'],
stdout=PIPE).communicate()[0].split('\n')
for line in lines:
if re.match(r'^\s*$', line) is None:
colist.append(re.sub(r'/$', '', line))
return colist
def getSVNProperty(svn, prop, path):
return Popen([svn, 'propget', prop, path], stdout=PIPE).communicate()[0]
def setSVNProperty(svn, prop, val, path):
Popen([svn, 'propset', prop, val, path], stdout=PIPE).wait()
def delSVNProperty(svn, prop, path):
Popen([svn, 'propdel', prop, path], stdout=PIPE).wait()
###########################################################################
# Subcommand Handlers #
###########################################################################
def branch(argv, svn, out):
if len(argv) < 2:
bl = ['trunk'] + getSVNBranchList(svn)
current = getSVNTopLevel(svn).split('/')[-1]
bl.sort()
for b in bl:
sys.stdout.write('*' if b == current else ' ')
sys.stdout.write(b + '\n')
return RET_OK
branch_name = argv[-1]
origin = getSVNTopLevel(svn)
root = getSVNRoot(svn)
if len(argv) >= 3 and argv[1] == "-d":
# delete branch in argv[2]
Popen([svn, 'rm', root + '/branches/' + argv[2], '-m',
"Removed branch '%s'" % branch_name], stdout=out).wait()
return RET_OK
if origin == '' or root == '':
sys.stderr.write("Could not determine origin/root URL\n")
return RET_ERR
comment = "Created '%s' branch" % branch_name
branch_path = root + '/branches/' + branch_name
Popen([svn, 'copy', origin, branch_path, '-m', comment], stdout=out).wait()
return RET_OK
def tag(argv, svn, out):
tl = getSVNTagList(svn)
if len(argv) < 2:
tl.sort()
for t in tl:
sys.stdout.write(t + '\n')
return RET_OK
tag_name = argv[-1]
origin = getSVNTopLevel(svn)
root = getSVNRoot(svn)
if origin == '' or root == '':
sys.stderr.write("Could not determine origin/root URL\n")
return RET_ERR
if len(argv) == 4 and argv[1] == '-m':
old_tag_name = argv[2]
if not old_tag_name in tl:
sys.stderr.write('Tag %s not found!\n' % old_tag_name)
return RET_ERR
Popen([svn, 'mv',
root + '/tags/' + old_tag_name, root + '/tags/' + tag_name,
'-m', "Renamed tag '%s' to '%s'" % (old_tag_name, tag_name)],
stdout=out).wait()
return RET_OK
if len(argv) >= 3 and argv[1] == "-d":
if not tag_name in tl:
sys.stderr.write('Tag %s not found!\n' % tag_name)
return RET_ERR
# delete tag in argv[2]
Popen([svn, 'rm', root + '/tags/' + tag_name, '-m',
"Removed tag '%s'" % tag_name], stdout=out).wait()
return RET_OK
comment = "Created '%s' tag" % tag_name
tag_path = root + '/tags/' + tag_name
Popen([svn, 'copy', origin, tag_path, '-m', comment], stdout=out).wait()
return RET_OK
def switch(argv, svn, out):
if len(argv) < 2:
return RET_REEXEC
switched = False
root = getSVNRoot(svn)
path = getSVNRelPath(svn)
while True:
if argv[1] == 'trunk':
Popen([svn, 'switch', root + '/trunk' + path], stdout=out).wait()
switched = True
break
bl = getSVNBranchList(svn)
if argv[1] in bl:
Popen([svn, 'switch', root + '/branches/' + argv[1] + path],
stdout=out).wait()
switched = True
break
tl = getSVNTagList(svn)
if argv[1] in tl:
Popen([svn, 'switch', root + '/tags/' + argv[1] + path],
stdout=out).wait()
switched = True
break
if switched:
Popen(svn + ' info | grep --color=none "^URL:"',
shell=True, stdout=out).wait()
return RET_OK
return RET_REEXEC
def merge(argv, svn, out):
if len(argv) < 2:
return RET_REEXEC
root = getSVNRoot(svn)
branches = getSVNBranchList(svn)
if not argv[1] in branches:
return RET_REEXEC
lines = Popen([svn, 'log', '--stop-on-copy', root + '/branches/' + argv[1]],
stdout=PIPE).communicate()[0].split('\n')
rev = 0
for line in lines:
m = re.match(r'^r(\d+)\s', line)
if m is not None:
rev = m.group(1)
if rev == 0:
sys.stderr.write('Could not get first branch revision\n')
return RET_ERR
path = getSVNRelPath(svn)
Popen([svn, 'merge', '-r%s:HEAD' % rev,
root + '/branches/' + argv[1] + path, '.'], stdout=out).wait()
return RET_OK
def watch_lock(argv, svn, out):
if len(argv) < 2:
return RET_ERR
path = argv[1]
if os.path.exists(path):
# Get the repository URL of the file being watched
p = Popen([svn, 'info', path], stdout=PIPE)
lines = p.communicate()[0].split('\n')
for line in lines:
m = re.match(r'URL: (.*)', line)
if m is not None:
path = m.group(1)
break
last_lock_owner = ''
while True:
lock_owner = ''
p = Popen([svn, 'info', path], stdout=PIPE)
lines = p.communicate()[0].split('\n')
for line in lines:
m = re.match(r'Lock\sOwner:\s*(.*)', line)
if m is not None:
lock_owner = m.group(1)
break
if lock_owner == '':
break
if lock_owner != last_lock_owner:
sys.stdout.write('Locked by: %s\n' % lock_owner)
last_lock_owner = lock_owner
time.sleep(60)
sys.stdout.write('''
_ _ _ _ _ _
| | | |_ __ | | ___ ___| | _____ __| | |
| | | | '_ \| |/ _ \ / __| |/ / _ \/ _` | |
| |_| | | | | | (_) | (__| < __/ (_| |_|
\___/|_| |_|_|\___/ \___|_|\_\___|\__,_(_)
''')
return RET_OK
def users(argv, svn, out):
path = '.'
if len(argv) > 1:
path = argv[1]
users = {}
p = Popen([svn, 'log', '-q', path], stdout=PIPE)
for line in iter(p.stdout.readline, ''):
m = re.match('r\d+\s*\|([^|]+)\|', line)
if m is not None:
user = m.group(1).strip()
if not user.lower() in users:
users[user.lower()] = [user, 1]
else:
users[user.lower()][1] += 1
values = users.values()
values.sort(key = lambda x: x[1], reverse = True)
for v in values:
sys.stdout.write("%8d %s\n" % (v[1], v[0]))
return RET_OK
def binaries(argv, svn, out, base_path = '.'):
for ent in os.listdir(base_path):
if ent in ('.', '..', '.svn'):
continue
ent_path = os.sep.join([base_path, ent])
if os.path.isfile(ent_path):
mime_type = getSVNProperty(svn, 'svn:mime-type', ent_path)
if mime_type != '' and not re.match(r'text/.*', mime_type):
# we found a binary file
needs_lock = getSVNProperty(svn, 'svn:needs-lock', ent_path)
if needs_lock:
sys.stdout.write('* ')
elif len(argv) >= 2 and argv[1] == '--set-lock':
setSVNProperty(svn, 'svn:needs-lock', '*', ent_path)
sys.stdout.write('S ')
else:
sys.stdout.write(' ')
sys.stdout.write(ent_path)
sys.stdout.write('\n')
elif os.path.isdir(ent_path):
binaries(argv, svn, out, os.sep.join([base_path, ent]))
return RET_OK
def lockable(argv, svn, out):
if len(argv) >= 2 and argv[1] == '--status':
for ob in argv[2:]:
ob_path = os.sep.join([base_path, ob])
needs_lock = getSVNProperty(svn, 'svn:needs-lock', ob_path)
if needs_lock:
sys.stdout.write('* ')
else:
sys.stdout.write(' ')
sys.stdout.write(ob_path)
sys.stdout.write('\n')
elif len(argv) >= 2 and argv[1] == '--remove':
for ob in argv[2:]:
ob_path = os.sep.join([base_path, ob])
delSVNProperty(svn, 'svn:needs-lock', ob_path)
else:
# note this is the default assumed operation
for ob in argv[1:]:
ob_path = os.sep.join([base_path, ob])
setSVNProperty(svn, 'svn:needs-lock', '*', ob_path)
return RET_OK
def diff(argv, svn, out):
pout = Popen([svn] + argv, stdout=PIPE).stdout
for line in iter(pout.readline, ''):
colordiff(out, line)
return RET_OK
def log(argv, svn, out):
in_diff = False
pout = Popen([svn] + argv, stdout=PIPE).stdout
for line in iter(pout.readline, ''):
if re.match(r'(r\d+)\s+\|', line):
parts = line.split('|')
if len(parts) == 4:
ansi_color(out, 'blue', bold=True)
out.write(parts[0])
ansi_reset(out)
out.write('|')
ansi_color(out, 'cyan')
out.write(parts[1])
ansi_reset(out)
out.write('|')
ansi_color(out, 'magenta')
out.write(parts[2])
ansi_reset(out)
out.write('|')
out.write(parts[3])
elif re.match(r'-{72}', line):
ansi_color(out, 'yellow')
out.write(line)
ansi_reset(out)
in_diff = False
elif re.match(r'={67}', line):
ansi_color(out, 'yellow')
out.write(line)
ansi_reset(out)
in_diff = True
elif in_diff:
colordiff(out, line)
elif re.search(r'^Index:\s', line):
ansi_color(out, 'yellow')
out.write(line)
ansi_reset(out)
else:
out.write(line)
return RET_OK
def root(argv, svn, out):
sys.stdout.write(getSVNRoot(svn) + '\n')
return RET_OK
###########################################################################
# Main #
###########################################################################
def main(argv):
realsvn = findInPath('svn')
colorsvn = findInPath('colorsvn')
out = sys.stdout
stdout_is_a_tty = sys.stdout.isatty()
if stdout_is_a_tty:
pager = 'less -FRX'
if 'PAGER' in os.environ and os.environ['PAGER'] != '':
pager = os.environ['PAGER']
pager_proc = Popen(pager, shell=True, stdin=PIPE)
out = pager_proc.stdin
if realsvn == '':
sys.stderr.write("Error: 'svn' not found in path\n")
return 1
handlers = {
'branch': branch,
'branches': branch,
'switch': switch,
'merge': merge,
'tag': tag,
'tags': tag,
'diff': diff,
'log': log,
'root': root,
'watch-lock': watch_lock,
'users': users,
'binaries': binaries,
'lockable': lockable,
}
do_normal_exec = True
if len(argv) >= 1:
if argv[0] in handlers:
r = handlers[argv[0]](argv, realsvn, out)
if r == RET_OK or r == RET_ERR:
do_normal_exec = False
if (argv[0] in ('st', 'status', 'log', 'up', 'update')
and colorsvn != ''):
realsvn = colorsvn
if do_normal_exec:
Popen([realsvn] + argv, stdout=out).wait()
if stdout_is_a_tty:
out.close()
pager_proc.wait()
return 0
if __name__ == "__main__":
rc = 0
try:
rc = main(sys.argv[1:])
except IOError:
pass
sys.exit(rc)
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