Reading commits in reverse using GitPython

Question

Is there a way to iterate commits in reverse using the GitPython lib, that is, from the oldest one to the newest, in a similar manner to:

>>> from git import Repo
>>> repo = Repo('/path/to/repo')
>>> for commit in reversed(repo.iter_commits()):
...     print commit
... 
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: argument to reversed() must be a sequence

Without having to include everything in memory first, as my case is dealing with lots of commits (e.g. the linux kernel)?

DeepSpace · Accepted Answer · 2018-12-05 12:52:09Z

8

Looking at the documentation it appears that iter_commits is passing its kwargs to git-rev-list. Looking at its documentation reveals that it accepts a --reverse flag, so one can only guess that repo.iter_commits(reverse=True) would work.

answered Dec 5, 2018 at 12:52

DeepSpace

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Vaibhav gusain · Accepted Answer · 2018-12-05 12:57:50Z

-1

The main problem here is that in reverse you need to pass the sequence. but iter_commits return an iterator. so you can do commitList = list(repo.iter_commits())

and then use the reverselogic on the commitList

answered Dec 5, 2018 at 12:57

Vaibhav gusain

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2 Comments

DeepSpace Over a year ago

OP stated Without having to include everything in memory first. You solution does just that

Vaibhav gusain Over a year ago

oh I am sorry .

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