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Find out who changed specific lines of a file

harmlessGitalle
Adjust the values, the command updates live
user@server
git blame -L 10,40 wp-config.php

Prints the short commit hash, author, date and line content for every line in the given range. With the hash, git show displays the complete commit including its message. Useful when a configuration line suddenly looks different and you are looking for the cause.

Note: -w ignores whitespace-only changes, and -C also follows moved or copied lines.

Also searched as

  • who changed this line git
  • git blame specific lines
  • find author of a line of code

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Show the Git history compactly as a graph

$git log --oneline --graph --decorate --all -n 30
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Change the message of the last commit

$git commit --amend -m 'Fix: correct cache path in configuration'
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Create an annotated tag and push it to the remote

$git tag -a v1.4.0 -m 'Release 1.4.0' && git push origin v1.4.0
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Delete local branches that are already merged

$git branch --merged main | grep -vE '^[*+]|^\s*(main|main|master|develop)$' | xargs -r git branch -d
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Discard local changes to a file

$git restore wp-config.php
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Find commits that added or removed specific text

$git log -S 'define('WP_DEBUG'' --oneline --all
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