Git List Commits By Blobs

Question

Say I have the SHA for a blob. I can go git show and see the contents of the blob. Is it possible to get a list of all the commits that contain that blob?

jacknagel · Accepted Answer · 2012-05-22 21:53:34Z

11

The following scriptlet should do the trick:

#!/bin/sh

blob=deadbeefdeadbeefdeadbeefdeadbeef

git rev-list --all |
while read commit; do
    if git ls-tree -r $commit | grep -q $blob; then
        echo $commit
    fi
done

answered May 22, 2012 at 21:53

jacknagel

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Philip Oakley · Accepted Answer · 2016-09-17 13:57:49Z

1

Maybe a bit late, but git show <abbrev-sha1> will show the contents of that blob etc. As will git cat-file blob <abbrev-sha1>, use git cat-file -t <abbrev-sha1> to check it's a blob.

Getting the first (or last) commit that contained it appears not as easy (such as determining from a patch's diff index line, where that patch came from)

answered Sep 17, 2016 at 13:57

Philip Oakley

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