Git checkout next / prev commit

git paging.md

Treat git log as a book, exec git next or git prev to checkout the next or the previous commit.

git-first

#!/bin/sh

first() {
	branch=refs/heads/master
	git log --reverse --pretty=%H $branch | head -1 | xargs git checkout 
}
first "$@"

git-last

#!/bin/sh

last() {
	branch=refs/heads/master
	git log --pretty=%H $branch | head -1 | xargs git checkout 
}
last "$@"

git-next

#!/bin/sh

next() {
	branch=refs/heads/master
	if [ -z "$1" ]; then
		n=1
	else
		n=$1
	fi
	git log --reverse --pretty=%H $branch | grep -A $n $(git rev-parse HEAD) | tail -1 | xargs git checkout
}
next "$@"

git-prev

#!/bin/sh

prev() {
	branch=refs/heads/master
	if [ -z "$1" ]; then
		n=1
	else
		n=$1
	fi
	git checkout HEAD~$n 
}
prev "$@"

references:

• https://stackoverflow.com/a/33668818/1122976
• https://stackoverflow.com/a/44750379/1122976
• https://stackoverflow.com/questions/5167957/is-there-a-better-way-to-find-out-if-a-local-git-branch-exists

alias git diff to make a quick diff between current commit with the previous commit:

git config --global alias.df 'diff HEAD^ HEAD'

#!/bin/sh

to

#!/usr/bin/env bash

#!/bin/sh

to

#!/usr/bin/env bash

Thank you. But I think #!/bin/sh is more compatible. Please check : https://superuser.com/questions/1133187/when-must-i-use-bin-bash-and-when-bin-sh