[Bash 1 liner] Delete all git branches besides the current one

gistfile1.txt

# List all of the current branches - invert * as it represents the current one
# and will cause many issues
for B in $(git branch --list | grep --invert '*'); do git branch -D $B; done

# Additional ideas are cleaning up the remote ( i.e. ):
for B in $(git branch -a --list | grep --invert '*'); do git push origin : $B; done