albertjan@debian ~/Desktop/test_repo $ git config --global init.templatedir ~/Desktop/git_template_dir
albertjan@debian ~/Desktop/test_repo $ cd ~/Desktop/git_template_dir
albertjan@debian ~/Desktop/git_template_dir $ cat hooks/pre-commit
#!/usr/bin/python
#-*- mode: python -*-
"""Git pre-commit hook: reject large files"""
__author__ = "Albert-Jan Roskam"
__email__ = "@".join(["fomcl", "yahoo" + ".com"])
__version__ = "1.0.3"
import sys
import os
import re
from subprocess import Popen, PIPE
def git_filesize_hook(megabytes_cutoff=5, verbose=False):
"""Git pre-commit hook: Return error if the maximum file size in the HEAD
revision exceeds <megabytes_cutoff>, succes (0) otherwise. You can bypass
this hook by specifying '--no-verify' as an option in 'git commit'."""
if verbose: print os.getcwd()
cmd = "git ls-tree --full-tree -r -l HEAD"
kwargs = dict(args=cmd, shell=True, stdout=PIPE, cwd=os.getcwd())
if sys.platform.startswith("win"):
del kwargs["cwd"]
cmd = "pushd && \"%s\"" % os.getcwd() + cmd + " && popd"
git = Popen(**kwargs)
get_size = lambda item: int(re.split(" +", item)[3].split("\t")[0])
sizes = map(get_size, git.stdout.readlines())
bytes_cut_off = megabytes_cutoff * 2 ** 20
if sizes and max(sizes) > bytes_cut_off:
return ("ERROR: your commit contains at least one file "
"that is larger than %d bytes" % bytes_cut_off)
return 0
if __name__ == "__main__":
sys.exit(git_filesize_hook(0.000001, True))
albertjan@debian ~/Desktop/git_template_dir $ cd -
/home/albertjan/Desktop/test_repo
albertjan@debian ~/Desktop/test_repo $ git init ## this also fetches my own pre-commit hook from template_dir
Initialized empty Git repository in /home/albertjan/Desktop/test_repo/.git/
albertjan@debian ~/Desktop/test_repo $ touch foo.txt
albertjan@debian ~/Desktop/test_repo $ git add foo.txt
albertjan@debian ~/Desktop/test_repo $ ls -l .git/hooks
total 4
-rw-r--r-- 1 albertjan albertjan 1468 May 22 14:49 pre-commit
albertjan@debian ~/Desktop/test_repo $ git commit -a -m "commit" ##### hook does not yet work
[master (root-commit) dc82f3d] commit
0 files changed
create mode 100644 foo.txt
albertjan@debian
~/Desktop/test_repo $ chmod +x .git/hooks/pre-commit
albertjan@debian ~/Desktop/test_repo $ echo "blaah\n" >> foo.txt
albertjan@debian ~/Desktop/test_repo $ git commit -a -m "commit" ##### now the hook does its job
/home/albertjan/Desktop/test_repo
ERROR: your commit contains at least one file that is larger than 1 bytes
Diff to Previous Revision
--- revision 4 2014-05-27 13:45:26
+++ revision 5 2015-01-05 10:11:21
@@ -8,7 +8,7 @@
__author__ = "Albert-Jan Roskam"
__email__ = "@".join(["fomcl", "yahoo" + ".com"])
-__version__ = "1.0.2"
+__version__ = "1.0.3"
import sys
import os
@@ -21,7 +21,11 @@
this hook by specifying '--no-verify' as an option in 'git commit'."""
if verbose: print os.getcwd()
cmd = "git ls-tree --full-tree -r -l HEAD"
- git = Popen(cmd, shell=True, stdout=PIPE, cwd=os.getcwd())
+ kwargs = dict(args=cmd, shell=True, stdout=PIPE, cwd=os.getcwd())
+ if sys.platform.startswith("win"):
+ del kwargs["cwd"]
+ cmd = "pushd && \"%s\"" % os.getcwd() + cmd + " && popd"
+ git = Popen(**kwargs)
get_size = lambda item: int(re.split(" +", item)[3].split("\t")[0])
sizes = map(get_size, git.stdout.readlines())
bytes_cut_off = megabytes_cutoff * 2 ** 20
