SHELL

how to know branch from which add branch

git show-branch 
| sed "s/].*//" 
| grep "*" 
| grep -v "$(git rev-parse --abbrev-ref HEAD)" 
| head -n1 
| sed "s/^.*[//"

how to know branch from which add branch

bdbf21b087de5aa2e78a7d793e035d8bd9ec9629 xxx@{0}: branch: Created from master