06 Mar 2017

Useful Cmd About Git

Some useful commands about git, keep updating:

There are 3 levels of git config; project, global and system.Stackoverflow

• project: Project configs are only available for the current project and stored in .git/config in the project’s directory.
• global: Global configs are available for all projects for the current user and stored in ~/.gitconfig.
• system: System configs are available for all the users/projects and stored in /etc/gitconfig.

Create a project specific config, you have to execute this under the project’s directory:

$ git config user.name "John Doe" 

Create a global config:

$ git config --global user.name "John Doe"

Create a system config:

$ git config --system user.name "John Doe" 

For Github, it is using email for user verify Set your email address with the following command:

git config --global user.email "your_email@example.com"

Confirm that you have set your email address correctly with the following command.

git config --global user.email
your_email@example.com

Set your email address with the following command:

git config user.email "your_email@example.com"
git config user.email

IF you computer change password will effect the git password cache, reset it

git config –global credential.helper unset

Some trick when you revert a branch and want to merge again

you need to revert the revert commit, then merge the branch, otherwise you loss the commit that reverted;

Delete the local branchs, in this case has key words “improvement”

git branch --merged | grep improvement | xargs git branch -D

Total line change for person for period of time

git log --author="username" --pretty=tformat: --numstat --after="2019-03-01" --before=="2019-05-03"| awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }'

Total commit for person for period of time

git log --author="username" --oneline --after="2019-03-01" --before="2019-05-03" | wc -l

Code line change for everyone

git log --format='%aN' | sort -u | while read name; do echo -en "$name\t"; git log --author="$name" --pretty=tformat: --numstat | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -; done

Top 5 Contributor

git log --pretty='%aN' | sort | uniq -c | sort -k1 -n -r | head -n 5

Find the history information

# For full path names of changed files:
git log --name-only
# For full path names and status of changed files:
git log --name-status
# For abbreviated pathnames and a diffstat of changed files:
git log --stat

Given the chromedriver the execute permission

$ find -name chromedriver -exec git update-index --chmod=+x {} \;
$ git commit -a

Reference

git统计历史上某一段时间代码的修改量
git代码统计 How to have git log show filenames like svn log -v

Til next time,
at 00:00