author | Alpar Juttner <alpar@cs.elte.hu> |
Wed, 22 Oct 2008 22:14:00 +0100 | |
changeset 337 | 560e4b6d020d |
parent 272 | e63a95b68827 |
child 376 | 4b2382fd80ef |
permissions | -rwxr-xr-x |
1 #! /usr/bin/env python
3 import sys
4 import os
6 if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
7 print """
8 This utility just prints the length of the longest path
9 in the revision graph from revison 0 to the current one.
10 """
11 exit(0)
12 plist = os.popen("HGRCPATH='' hg parents --template='{rev}\n'").readlines()
13 if len(plist)>1:
14 print "You are in the process of merging"
15 exit(1)
16 PAR = int(plist[0])
18 f = os.popen("HGRCPATH='' hg log -r 0:tip --template='{rev} {parents}\n'").\
19 readlines()
20 REV = -1
21 lengths=[]
22 for l in f:
23 REV+=1
24 s = l.split()
25 rev = int(s[0])
26 if REV != rev:
27 print "Something is seriously wrong"
28 exit(1)
29 if len(s) == 1:
30 par1 = par2 = rev - 1
31 elif len(s) == 2:
32 par1 = par2 = int(s[1].split(":")[0])
33 else:
34 par1 = int(s[1].split(":")[0])
35 par2 = int(s[2].split(":")[0])
36 if rev == 0:
37 lengths.append(0)
38 else:
39 lengths.append(max(lengths[par1],lengths[par2])+1)
40 print lengths[PAR]