command line recipes

// git: To delete all local branches that are already merged into the currently checked out branch:
git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d

// git: Delete local git branch
git branch -D <branch_name>

// git: Delete remote git branch
git push <remote_name/origin> --delete <branch_name>

// git: Pick specific file from another branch
git checkout <branch_name> -- <path_to_file>

// git: Sync a directory from another branch (include sync deleted files)
git restore --source=<branch_name> --staged --worktree -- <path_to_directory>

// git: Rename local branch
git branch -m <oldname> <newname>

// git: Rename remote branch
git push origin :old-name new-name

// git: search commit count across all branches, with period
git shortlog -s -e -n --all  --since "20 Jun 2020 00:00:00" --before "21 Jun 2020 23:59:59"

// git: delete big file from git history
git clone --mirror git@github.com:<your repository>
alias bfg="java -jar /path/to/bfg-1.12.8.jar"
bfg --delete-files selenium-server-standalone-* <your repository>.git
cd <your repository>.git
git reflog expire --expire=now --all && git gc --prune=now --aggressive
gitk
git push
// ask everybody to update their repository

// git: reduce disk space, combined technique
git remote prune origin && git repack && git prune-packed && git reflog expire --expire=1.month.ago && git gc --aggressive

// git: ignore changes on certain files
git update-index --assume-unchanged <file1> <file2> <file3>
// To revert:
git update-index --no-assume-unchanged <file1> <file2> <file3>

// git: pick the difference between two branches as a commit
git checkout <branch where you want to commit>
git merge --squash <branch with more commits>
git commit

// gradle rerun tests
gradle --no-build-cache cleanTest test [-- tests *search*]

// Change node version
nvm ls
nvm use 12

// Linux: change executable version
sudo update-alternatives --config php

// Ping with formatted timestamp
ping -O google.com | xargs -L 1 -I '{}' date '+%Y-%m-%d %H:%M:%S: {}'

// Much better than uname
neofetch

// If there's no neofetch
cat /etc/*-release

// Linux: list all processes listening to any port
sudo lsof -i -P -n | grep LISTEN

// List top 50 largest directory
sudo du -hc ~ | sort -rh | head -50

// Darurat Internet: log connections
echo "" > /tmp/darurat.txt
echo "## SPEEDTEST ##" | tee -a /tmp/darurat.txt
speedtest | tee -a /tmp/darurat.txt
echo "" >> /tmp/darurat.txt
echo "## TRACEROUTE ##" | tee -a /tmp/darurat.txt
traceroute google.com | tee -a /tmp/darurat.txt
echo "" >> /tmp/darurat.txt
echo "## PING ##" | tee -a /tmp/darurat.txt
ping google.com -O -c 50 | tee -a /tmp/darurat.txt
echo "" >> /tmp/darurat.txt
sublime_text /tmp/darurat.txt