pullgitinfo.py

import os
import sys

presentcwd = os.getcwd()
os.chdir(sys.argv[1])


f = os.popen("git log -n 1 && git status -bs && echo \"\nGeant4 version\" `geant4-config --version` && echo \"  ROOT version\" `root-config --version` && echo \" `cmake --version`\" && echo \"\nGenerated at `date`\"")

boringstring = "";
fullstring = "";

if( f != 0):
    for line in f:
	boringstring += line
else:
    boringstring = "git information unavailable"

maxlen = 4096

boringstring += "Source dir " + os.getcwd()
boringstring += "\nBuild  dir " + presentcwd + "\n"

if  len(boringstring) > maxlen:
     print "WARNING:  Truncating info from git";
     boringstring = boringstring[0:maxlen-1]

for x in boringstring:
    fullstring += '\\x'+x.encode('hex')


     

newheadertext = """#ifndef __GITINFO_HH
#define __GITINFO_HH

/*
    Generated automatically by cmake process
    Encoding:
-------------------------------------------------------------
""" + boringstring + """
-------------------------------------------------------------
*/

#define __GITMAXINFO_SIZE 4096

#define gGitInfoStr \"""" + fullstring + '\"' \
+ \
"""

#endif//__GITINFO_HH
"""


os.chdir(presentcwd)

outdir = "include/"
if not os.path.exists(outdir):
    os.makedirs(outdir)

newheader = open( outdir + "/gitinfo.hh", "w")
newheader.write(newheadertext)
newheader.close()

print "Repository information\n", boringstring