author | Balazs Dezso <deba@inf.elte.hu> |
Wed, 03 Dec 2008 14:23:22 +0100 | |
changeset 419 | 9afe81e4c543 |
parent 284 | a16cc721259e |
child 422 | 62c1ed05e83f |
permissions | -rwxr-xr-x |
1 #! /usr/bin/env python
3 import sys
5 from mercurial import ui, hg
7 if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
8 print """
9 This utility just prints the length of the longest path
10 in the revision graph from revison 0 to the current one.
11 """
12 exit(0)
14 u = ui.ui()
15 r = hg.repository(u, ".")
16 N = r.changectx(".").rev()
17 lengths=[0]*(N+1)
18 for i in range(N+1):
19 p=r.changectx(i).parents()
20 if p[0]:
21 p0=lengths[p[0].rev()]
22 else:
23 p0=-1
24 if len(p)>1 and p[1]:
25 p1=lengths[p[1].rev()]
26 else:
27 p1=-1
28 lengths[i]=max(p0,p1)+1
29 print lengths[N]