[nix-currently-building] / nix_currently_building.py

import os
import subprocess
import time


BLOCK_SIZE = 4096
MIN_AGE = time.time() - 86400 * 7


def removesuffix(s, suf):  # Until python 3.9
    return s[:len(s) - len(suf)] if s.endswith(suf) else s


def truncated(log):
    return subprocess.run(['bunzip2', '--test', log], stderr=subprocess.DEVNULL).returncode == 2


def main():
    for d, _, files in os.walk(os.environ.get('NIX_LOG_DIR', '/nix/var/log/nix')):
        for f in files:
            path = os.path.join(d, f)
            st = os.stat(path)
            if (st.st_size % BLOCK_SIZE) == 0 and st.st_mtime > MIN_AGE and truncated(path):
                print(d[-2:] + removesuffix(f, '.bz2'))


if __name__ == '__main__':
    main()
Commit	Line	Data
879c383c SW	1	import os
	2	import subprocess
	3	import time
	4
	5
	6	BLOCK_SIZE = 4096
	7	MIN_AGE = time.time() - 86400 * 7
	8
	9
	10	def removesuffix(s, suf): # Until python 3.9
	11	return s[:len(s) - len(suf)] if s.endswith(suf) else s
	12
	13
	14	def truncated(log):
	15	return subprocess.run(['bunzip2', '--test', log], stderr=subprocess.DEVNULL).returncode == 2
	16
	17
	18	def main():
	19	for d, _, files in os.walk(os.environ.get('NIX_LOG_DIR', '/nix/var/log/nix')):
	20	for f in files:
	21	path = os.path.join(d, f)
	22	st = os.stat(path)
	23	if (st.st_size % BLOCK_SIZE) == 0 and st.st_mtime > MIN_AGE and truncated(path):
	24	print(d[-2:] + removesuffix(f, '.bz2'))
	25
	26
	27	if __name__ == '__main__':
	28	main()