Challenge Overview
Someone's commits seems to be preventing the
program from working. Who is it?
You can download the challenge files here:
Solution
To get the file: wget https://artifacts.picoctf.net/c_titan/74/challenge.zip.
Then unzip challenge.zip and cd drop-in/.
Unlike "Time Machine" challenge it can't be found just with the git log command. Because there could be many changes across the project you can use the command on one specified file. In this case, it is git log message.py as that is the file in question. By doing this you can see that the author of the commit to "optimize file size of prod code" is the flag.
Flag: picoCTF{@sk_th3_1nt3rn_ea3...}