Git script Files

git.sh

# delete local branches that no longer have remote reference
git fetch -p && for branch in $(git for-each-ref --format '%(refname) %(upstream:track)' refs/heads | awk '$2 == "[gone]" {sub("refs/heads/", "", $1); print $1}'); do git branch -D $branch; done

# delete files that are being ignored by git(.gitignore) under a directory
git clean -xdn # dry run all the files that will list all the gitignore files under the directory
git clean -xdf # to clean the files that are ignored
# to delete all the files in the git repo, execute the command in the root directory

# clone all repos of an org (requires ruby1.9+)
curl -s https://api.github.com/orgs/[ORGANIZATION]/repos | ruby -rjson -e 'JSON.load(STDIN.read).each {|repo| %x[git clone #{repo["ssh_url"]} ]}'
# doesn't include private repos

# to search a string in all changesets
git log -S <string>
# Refer https://stackoverflow.com/questions/4468361/search-all-of-git-history-for-a-string

# git log alias 
git config --global alias.lg "log --color --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit"
# called as git lg

# git add by hunks
git add -p
# interactive

# list most changed files in the current directory for the past 12 months
git log --format=format: --name-only --since=12.month| egrep -v '^$' | sort | uniq -c | sort -nr | head -50

# formats and sorts remote branches based on the date they were last committed to
git for-each-ref --format='%(committerdate) %09 %(authorname) %09 %(refname)' --sort=committerdate refs/remotes/origin/ | grep '<author-name>'