Post-checkout git hook (django project example - step-by-step)

gistfile1.txt

thiago@d:~/we-b-ackend (master)$ vim /home/thiago/we-b-ackend/.git/hooks/post-checkout
thiago@d:~/we-b-ackend (master)$ cat /home/thiago/we-b-ackend/.git/hooks/post-checkout
#!/bin/bash                                                                      

set -e                                                                           

printf '\npost-checkout hook\n'  

# Delete .pyc files and empty directories from root of project
cd ./$(git rev-parse --show-cdup)

# Clean-up
find . -name ".DS_Store" -delete

NUM_PYC_FILES=$( find . -name "*.pyc" | wc -l | tr -d ' ' )
if [ $NUM_PYC_FILES -gt 0 ]; then
    find . -name "*.pyc" -delete
    printf "\e[00;31mDeleted $NUM_PYC_FILES .pyc files\e[00m\n"
fi

thiago@d:~/we-b-ackend (master)$ chmod u+x /home/thiago/we-b-ackend/.git/hooks/post-checkout
thiago@d:~/we-b-ackend (master)$ git co MAR-429
Branch MAR-429 set up to track remote branch MAR-429 from origin.
Switched to a new branch 'MAR-429'

post-checkout hook
Deleted 255 .pyc files
thiago@d:~/we-b-ackend (MAR-429)$ git co master
Switched to branch 'master'

post-checkout hook
thiago@d:~/we-b-ackend (master)$