121 lines
3.3 KiB
Python
121 lines
3.3 KiB
Python
"""compare commits of logs in different branches
|
|
|
|
selecting the time range is based on file 'sync_branches'
|
|
which should be in the branch where logdif.py is running
|
|
"""
|
|
|
|
import sys
|
|
from subprocess import check_output
|
|
|
|
branches = sys.argv[1:3]
|
|
|
|
commits = {}
|
|
log_no = {}
|
|
cursor = {}
|
|
short_set = set()
|
|
|
|
if len(sys.argv) < 3:
|
|
print('Usage: python3 logdif.py <branch1> <branch2> [<YYYY-mm-dd>]')
|
|
sys.exit(0)
|
|
|
|
if len(sys.argv) > 3:
|
|
since = sys.argv[3]
|
|
else:
|
|
since_info = []
|
|
|
|
with open("sync_branches") as f:
|
|
# a file containing
|
|
# YYYY-mm-dd <branch1> <branch2>
|
|
# for each date the branches are synced
|
|
for line in f:
|
|
if line.strip():
|
|
info = line.split()
|
|
if set(branches) & set(info[1:3]) == set(branches):
|
|
since_info.append(info[0])
|
|
since = sorted(since_info)[-1] if since_info else None
|
|
|
|
|
|
gitlog = ['git', 'log', '--oneline']
|
|
if since:
|
|
gitlog.append(f'--since-as-filter={since}')
|
|
else:
|
|
print(f'no info for {branches} found in file sync_branches')
|
|
|
|
for br in branches:
|
|
cursor[br] = 0
|
|
# collect hashes of commis newer than since
|
|
short_output = check_output(gitlog + [br])
|
|
for line in short_output.decode('utf-8').split('\n'):
|
|
if line:
|
|
short_set.add(line.split(' ', 1)[0])
|
|
output = check_output(gitlog[:3] + [br])
|
|
log_no[br] = byno = []
|
|
no = 0
|
|
for line in output.decode('utf-8').split('\n'):
|
|
if line:
|
|
commit, title = line.split(' ', 1)
|
|
byno.append([commit, title])
|
|
no += 1
|
|
|
|
# find matches
|
|
for br, byno in log_no.items():
|
|
for no, line in enumerate(byno):
|
|
commits.setdefault(line[1], {}).setdefault(br, []).append((no, line))
|
|
|
|
ordered = {}
|
|
for title, info in commits.items():
|
|
# sort the info dict by value
|
|
ordered[title] = {b: v for v, b in sorted((v, b) for b, v in info.items())}
|
|
|
|
commits = ordered
|
|
|
|
cnt = [0]
|
|
|
|
|
|
def print_commit(line):
|
|
if not line[1]:
|
|
return # title cleared: this line is already printed
|
|
# print and mark line as already printed
|
|
info = commits[line[1]]
|
|
output = []
|
|
title = line[1]
|
|
visible = False
|
|
for br in log_no:
|
|
infolist = info.get(br)
|
|
if infolist:
|
|
no, iline = infolist.pop(0)
|
|
if not infolist:
|
|
info.pop(br)
|
|
if iline[0] in short_set:
|
|
visible = True
|
|
output.append(f'{no:3}:{iline[0]}')
|
|
iline[1] = '' # clear title
|
|
else:
|
|
output.append(' ' * 11)
|
|
if visible:
|
|
print(' '.join(output), title)
|
|
cnt[0] += 1
|
|
if cnt[0] % 50 == 0:
|
|
if input(f' {br0:11s} {br1:11s}'):
|
|
raise StopIteration()
|
|
|
|
|
|
(br0, log0), (br1, log1) = list(log_no.items())
|
|
no1 = 0
|
|
try:
|
|
for no0, line0 in enumerate(log0):
|
|
if line0[1]: # line not yet printed
|
|
infodict = commits[line0[1]]
|
|
if len(infodict) > 1: # found a match
|
|
info0 = infodict[br1]
|
|
# loop over commits in br1 until matched no
|
|
no1end = info0[0][0]
|
|
if no1end > no0:
|
|
for n in range(no0, no1end):
|
|
line1 = log1[n]
|
|
print_commit(line1)
|
|
no1 = no1end
|
|
print_commit(line0)
|
|
except StopIteration:
|
|
pass
|