GitPython list all files affected by a certain commit

Question

I am using this for loop to loop through all commits:

repo = Repo("C:/Users/shiro/Desktop/lucene-solr/")
for commit in list(repo.iter_commits()):
    print commit.files_list  # how to do that ?

How can I get a list with the files affected from this specific commit ?

Dunsinane

Answer 1

Try it

for commit in list(repo.iter_commits()):
    commit.stats.files

Shastashastra

Keep in mind that this method is very slow. It runs git diff --numstat, which calculates a lot more than just the file list. – Octad

FWIW: that that does strange things with renames/moves. – Notate

Answer 2

from git import Repo
repo = Repo('/home/worldmind/test.git/')
prev = repo.commit('30c55d43d143189698bebb759143ed72e766aaa9')
curr = repo.commit('5f5eb0a3446628ef0872170bd989f4e2fa760277')
diff_index = prev.diff(curr)
for diff in diff_index:
    print(diff.change_type)
    print(f"{diff.a_path} -> {diff.b_path}")

Hadsall

Things get more complicated when curr has more than one parent. Dealing with that will likely involve something like for prev in curr.parents: but exactly what to do from there is a function of what you are trying to do. – Notate

There is also the question of what to do when curr is an initial commit and doesn't have a parent. – Notate

After some more tinkering, it looks like commit.diff(None) is useful (e.g. with initial commits?) in some cases. But I haven't yet played around with it enough to know the details. – Notate

Answer 3

commit.stats.files works, but it's very slow. It will take several seconds to process a large commit.

This is much faster:

repo = Repo("C:/Users/shiro/Desktop/lucene-solr/")
for commit in list(repo.iter_commits()):
   print(self.repo.git.show(commit.hexsha, name_only=True).split('\n'))

Octad

That works but also generates some "human readable" lines that will need to be filtered. – Notate

Answer 4

I solved this problem for SCM Workbench. The important file is:

https://github.com/barry-scott/scm-workbench/blob/master/Source/Git/wb_git_project.py

Look at cmdCommitLogForFile() and its helper __addCommitChangeInformation().

The trick is to diff the tree objects.

Bettis

StackOverflow highly discourages people from putting answers in linked pages. Linked pages often get moved or removed, then the answer is gone. – Ribeiro

Can you please update your answer. I'm searching for the same and don't want to search this big file when you already have found the solution there. I want to get all files that are committed currently not all commits since the start of the repo. – Bellerophon