/usr/bin/svnshell is in python-subversion 1.6.17dfsg-3ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 | #!/usr/bin/env python
#
# svnshell.py : a Python-based shell interface for cruising 'round in
# the filesystem.
#
######################################################################
#
# Copyright (c) 2000-2004, 2008-2009 CollabNet. All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://subversion.tigris.org/license-1.html.
# If newer versions of this license are posted there, you may use a
# newer version instead, at your option.
#
######################################################################
#
import sys
import time
import re
from cmd import Cmd
from random import randint
from svn import fs, core, repos
class SVNShell(Cmd):
def __init__(self, path):
"""initialize an SVNShell object"""
Cmd.__init__(self)
path = core.svn_path_canonicalize(path)
self.fs_ptr = repos.fs(repos.open(path))
self.is_rev = 1
self.rev = fs.youngest_rev(self.fs_ptr)
self.txn = None
self.root = fs.revision_root(self.fs_ptr, self.rev)
self.path = "/"
self._setup_prompt()
self.cmdloop()
def precmd(self, line):
if line == "EOF":
# Ctrl-D is a command without a newline. Print a newline, so the next
# shell prompt is not on the same line as the last svnshell prompt.
print("")
return "exit"
return line
def postcmd(self, stop, line):
self._setup_prompt()
def default(self, line):
print "Unknown command."
def do_cat(self, arg):
"""dump the contents of a file"""
if not len(arg):
print("You must supply a file path.")
return
catpath = self._parse_path(arg)
kind = fs.check_path(self.root, catpath)
if kind == core.svn_node_none:
print("Path '%s' does not exist." % catpath)
return
if kind == core.svn_node_dir:
print("Path '%s' is not a file." % catpath)
return
### be nice to get some paging in here.
stream = fs.file_contents(self.root, catpath)
while 1:
data = core.svn_stream_read(stream, core.SVN_STREAM_CHUNK_SIZE)
sys.stdout.write(data)
if len(data) < core.SVN_STREAM_CHUNK_SIZE:
break
def do_cd(self, arg):
"""change directory"""
newpath = self._parse_path(arg)
# make sure that path actually exists in the filesystem as a directory
kind = fs.check_path(self.root, newpath)
if kind != core.svn_node_dir:
print("Path '%s' is not a valid filesystem directory." % newpath)
return
self.path = newpath
def do_ls(self, arg):
"""list the contents of the current directory or provided path"""
parent = self.path
if not len(arg):
# no arg -- show a listing for the current directory.
entries = fs.dir_entries(self.root, self.path)
else:
# arg? show a listing of that path.
newpath = self._parse_path(arg)
kind = fs.check_path(self.root, newpath)
if kind == core.svn_node_dir:
parent = newpath
entries = fs.dir_entries(self.root, parent)
elif kind == core.svn_node_file:
parts = self._path_to_parts(newpath)
name = parts.pop(-1)
parent = self._parts_to_path(parts)
print(parent + ':' + name)
tmpentries = fs.dir_entries(self.root, parent)
if not tmpentries.get(name, None):
return
entries = {}
entries[name] = tmpentries[name]
else:
print("Path '%s' not found." % newpath)
return
keys = sorted(entries.keys())
print(" REV AUTHOR NODE-REV-ID SIZE DATE NAME")
print("----------------------------------------------------------------------------")
for entry in keys:
fullpath = parent + '/' + entry
size = ''
is_dir = fs.is_dir(self.root, fullpath)
if is_dir:
name = entry + '/'
else:
size = str(fs.file_length(self.root, fullpath))
name = entry
node_id = fs.unparse_id(entries[entry].id)
created_rev = fs.node_created_rev(self.root, fullpath)
author = fs.revision_prop(self.fs_ptr, created_rev,
core.SVN_PROP_REVISION_AUTHOR)
if not author:
author = ""
date = fs.revision_prop(self.fs_ptr, created_rev,
core.SVN_PROP_REVISION_DATE)
if not date:
date = ""
else:
date = self._format_date(date)
print("%6s %8s %12s %8s %12s %s" % (created_rev, author[:8],
node_id, size, date, name))
def do_lstxns(self, arg):
"""list the transactions available for browsing"""
txns = sorted(fs.list_transactions(self.fs_ptr))
counter = 0
for txn in txns:
counter = counter + 1
sys.stdout.write("%8s " % txn)
if counter == 6:
print("")
counter = 0
print("")
def do_pcat(self, arg):
"""list the properties of a path"""
catpath = self.path
if len(arg):
catpath = self._parse_path(arg)
kind = fs.check_path(self.root, catpath)
if kind == core.svn_node_none:
print("Path '%s' does not exist." % catpath)
return
plist = fs.node_proplist(self.root, catpath)
if not plist:
return
for pkey, pval in plist.items():
print('K ' + str(len(pkey)))
print(pkey)
print('P ' + str(len(pval)))
print(pval)
print('PROPS-END')
def do_setrev(self, arg):
"""set the current revision to view"""
try:
if arg.lower() == 'head':
rev = fs.youngest_rev(self.fs_ptr)
else:
rev = int(arg)
newroot = fs.revision_root(self.fs_ptr, rev)
except:
print("Error setting the revision to '" + arg + "'.")
return
fs.close_root(self.root)
self.root = newroot
self.rev = rev
self.is_rev = 1
self._do_path_landing()
def do_settxn(self, arg):
"""set the current transaction to view"""
try:
txnobj = fs.open_txn(self.fs_ptr, arg)
newroot = fs.txn_root(txnobj)
except:
print("Error setting the transaction to '" + arg + "'.")
return
fs.close_root(self.root)
self.root = newroot
self.txn = arg
self.is_rev = 0
self._do_path_landing()
def do_youngest(self, arg):
"""list the youngest revision available for browsing"""
rev = fs.youngest_rev(self.fs_ptr)
print(rev)
def do_exit(self, arg):
sys.exit(0)
def _path_to_parts(self, path):
return [_f for _f in path.split('/') if _f]
def _parts_to_path(self, parts):
return '/' + '/'.join(parts)
def _parse_path(self, path):
# cleanup leading, trailing, and duplicate '/' characters
newpath = self._parts_to_path(self._path_to_parts(path))
# if PATH is absolute, use it, else append it to the existing path.
if path.startswith('/') or self.path == '/':
newpath = '/' + newpath
else:
newpath = self.path + '/' + newpath
# cleanup '.' and '..'
parts = self._path_to_parts(newpath)
finalparts = []
for part in parts:
if part == '.':
pass
elif part == '..':
if len(finalparts) != 0:
finalparts.pop(-1)
else:
finalparts.append(part)
# finally, return the calculated path
return self._parts_to_path(finalparts)
def _format_date(self, date):
date = core.svn_time_from_cstring(date)
date = time.asctime(time.localtime(date / 1000000))
return date[4:-8]
def _do_path_landing(self):
"""try to land on self.path as a directory in root, failing up to '/'"""
not_found = 1
newpath = self.path
while not_found:
kind = fs.check_path(self.root, newpath)
if kind == core.svn_node_dir:
not_found = 0
else:
parts = self._path_to_parts(newpath)
parts.pop(-1)
newpath = self._parts_to_path(parts)
self.path = newpath
def _setup_prompt(self):
"""present the prompt and handle the user's input"""
if self.is_rev:
self.prompt = "<rev: " + str(self.rev)
else:
self.prompt = "<txn: " + self.txn
self.prompt += " " + self.path + ">$ "
def _complete(self, text, line, begidx, endidx, limit_node_kind=None):
"""Generic tab completer. Takes the 4 standard parameters passed to a
cmd.Cmd completer function, plus LIMIT_NODE_KIND, which should be a
svn.core.svn_node_foo constant to restrict the returned completions to, or
None for no limit. Catches and displays exceptions, because otherwise
they are silently ignored - which is quite frustrating when debugging!"""
try:
args = line.split()
if len(args) > 1:
arg = args[1]
else:
arg = ""
dirs = arg.split('/')
user_elem = dirs[-1]
user_dir = "/".join(dirs[:-1] + [''])
canon_dir = self._parse_path(user_dir)
entries = fs.dir_entries(self.root, canon_dir)
acceptable_completions = []
for name, dirent_t in entries.items():
if not name.startswith(user_elem):
continue
if limit_node_kind and dirent_t.kind != limit_node_kind:
continue
if dirent_t.kind == core.svn_node_dir:
name += '/'
acceptable_completions.append(name)
if limit_node_kind == core.svn_node_dir or not limit_node_kind:
if user_elem in ('.', '..'):
for extraname in ('.', '..'):
if extraname.startswith(user_elem):
acceptable_completions.append(extraname + '/')
return acceptable_completions
except:
ei = sys.exc_info()
sys.stderr.write("EXCEPTION WHILST COMPLETING\n")
import traceback
traceback.print_tb(ei[2])
sys.stderr.write("%s: %s\n" % (ei[0], ei[1]))
raise
def complete_cd(self, text, line, begidx, endidx):
return self._complete(text, line, begidx, endidx, core.svn_node_dir)
def complete_cat(self, text, line, begidx, endidx):
return self._complete(text, line, begidx, endidx, core.svn_node_file)
def complete_ls(self, text, line, begidx, endidx):
return self._complete(text, line, begidx, endidx)
def complete_pcat(self, text, line, begidx, endidx):
return self._complete(text, line, begidx, endidx)
def _basename(path):
"Return the basename for a '/'-separated path."
idx = path.rfind('/')
if idx == -1:
return path
return path[idx+1:]
def usage(exit):
if exit:
output = sys.stderr
else:
output = sys.stdout
output.write(
"usage: %s REPOS_PATH\n"
"\n"
"Once the program has started, type 'help' at the prompt for hints on\n"
"using the shell.\n" % sys.argv[0])
sys.exit(exit)
def main():
if len(sys.argv) != 2:
usage(1)
SVNShell(sys.argv[1])
if __name__ == '__main__':
main()
|