scripts/chg-len.py
author Peter Kovacs <kpeter@inf.elte.hu>
Sun, 26 Apr 2009 16:44:53 +0200
changeset 625 029a48052c67
parent 376 4b2382fd80ef
child 733 abf31e4af617
permissions -rwxr-xr-x
Modify the interface of MinCostArborescence + improvements (#267)

- Rename arborescenceValue() to arborescenceCost().
- Rename DefXyz template named paramaters to SetXyz.
- Rearrange public functions (for better doc).
- Doc improvements.
- Extend the test file with interface checking.
     1 #! /usr/bin/env python
     2 
     3 import sys
     4 
     5 from mercurial import ui, hg
     6 from mercurial import util
     7 
     8 util.rcpath = lambda : []
     9 
    10 if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]:
    11     print """
    12 This utility just prints the length of the longest path
    13 in the revision graph from revison 0 to the current one.
    14 """
    15     exit(0)
    16 
    17 u = ui.ui()
    18 r = hg.repository(u, ".")
    19 N = r.changectx(".").rev()
    20 lengths=[0]*(N+1)
    21 for i in range(N+1):
    22     p=r.changectx(i).parents()
    23     if p[0]:
    24         p0=lengths[p[0].rev()]
    25     else:
    26         p0=-1
    27     if len(p)>1 and p[1]:
    28         p1=lengths[p[1].rev()]
    29     else:
    30         p1=-1
    31     lengths[i]=max(p0,p1)+1
    32 print lengths[N]