Occasionally Useful Git Commands

Git revisions

Not a command, but a useful reference. gitrevisions lists the various ways you can refer to a commit.

Get the history of a function

git log -L :${FUNCTION}:${FILE}

References:

• git log -L

Show a file at specific commit

git show ${COMMIT}:${FILE}

References:

• git show
• git revision <rev>:<path>

Checkout a file at specific commit

git checkout ${COMMIT} -- ${FILE}

References:

• git checkout pathspec

List files changed in git log

• git log --name-only
• git log --name-status

References:

• git log --name-only
• git log --name-status

Display a shortened git log

git log --decorate --oneline --graph

References:

• git log --decorate
• git log --oneline
• git log --graph

Find last common commit

git merge-base ${COMMIT1} ${COMMIT2}

References:

• git merge-base

Find remote branches containing commit

git branch -r --contains ${COMMIT}

References:

• git branch -r
• git branch --contains

Reword an annotated tag

git tag -a -f ${TAG} ${TAG}^{}

References:

• git tag -a
• git tag -f
• git revisions <rev>^{}

Get just the sha1

git rev-parse ${COMMIT}

References:

• git rev-parse

Move a series of commits onto a new branch

git rebase --onto ${NEW_BASE_COMMIT} ${OLD_BASE_COMMIT} ${BRANCH_NAME}

References:

• git rebase --onto

Remove a file from the last commit

git reset --soft HEAD~1  
git reset HEAD ${FILE}  
git commit -c ORIG_HEAD  

References:

• Undo a commit and redo
• git reset mode
• git reset tree-ish
• git commit -c
• git revisions <refname>

Create a commit without file changes

git commit --allow-empty

References:

• git commit --allow-empty