schnell18’s gists

schnell18 / netcat_gitlist

Created November 19, 2013 14:16

simple script using netcat to simulate browser

	cat << EOF \| nc vmcentos64 80 > gitlist_landing_page.txt
	GET /gitlist/ HTTP/1.1
	Host: vmcentos64
	User-Agent: netcat

	EOF

schnell18 / mk_sshkeys.sh

Last active December 28, 2015 22:49

Bash script to generate SSH public/private key pairs for a bunch of users.

	#!/bin/sh

	# read the user name from stdin line by line
	while read u
	do
	rm -f ${u}
	rm -f ${u}.pub
	ssh-keygen -t rsa -b 2048 -N "" -C "SSH keypair for $u" -f ${u}
	done

schnell18 / my_gitconfig.txt

Last active December 28, 2015 23:49

Useful git config to work on OSX

	git config --global user.name "John Doe"
	git config --global user.email "[email protected]"
	git config --global core.editor vim
	git config --global color.ui true
	git config --global merge.tool vimdiff
	git config --global push.default simple
	git config --global alias.co checkout
	git config --global alias.br branch
	git config --global alias.ci commit
	git config --global alias.st status

schnell18 / mv_remote_refs_up

Created November 24, 2013 05:52

Move the remote refs created by the git svn migration tool(git svn clone --no-metadata --authors-file -s) to their local refs

	for entry in $(git for-each-ref --format="%(objectname)\|%(refname)")
	do
	oldref=$(echo $entry \| cut -d '\|' -f 2)
	if [[ $oldref =~ 'remotes' ]]; then
	sha=$(echo $entry \| cut -d '\|' -f 1)
	if [[ $oldref =~ 'remotes/tags' ]]; then
	newref=$(echo $oldref \| sed -e 's/remotes\/tags/tags/')
	elif [[ $oldref =~ 'remotes' ]]; then
	newref=$(echo $oldref \| sed -e 's/remotes/heads/')
	fi

schnell18 / fix_commit_msg.sh

Created November 25, 2013 06:03

Format the commit message to follow "ticket: short comment" pattern.

	git filter-branch --msg-filter 'perl -e '\''while(<>) {print join(q/: /, split(/\s:\s/, $_, 2))}'\''' -- --all
	git for-each-ref --format="%(refname)" refs/original/ \| xargs -n 1 git update-ref -d

schnell18 / svn_to_git_post_migration.sh

Last active December 29, 2015 09:39

This script is sample Subversion to Git migration scripts to perform references relocation, bad commit message fix, lost merge history restore etc.

	#!/bin/bash
	# This script should be launched under the top level git directory.

	function clean_up() {
	rm -fr .git/svn
	rm -fr .git/info/grafts
	git branch -d trunk
	git gc
	}

schnell18 / find_unmerged.sh

Created November 29, 2013 12:38

Find all branches not yet merged into current branch. It is equivalent of git branch --no-merged

	for t in $(git for-each-ref --format="%(refname)")
	do
	c=$(git rev-list HEAD..$t)
	if [[ ! -z $c ]]; then
	echo $t
	fi
	done

schnell18 / check_rebase.sh

Created December 4, 2013 05:00

Bash script to determine if current branch need rebase changes from the integration branch.

	#!/bin/bash
	# Bash script to determine if current branch(default HEAD)
	# need rebase the changes from the integration
	# branch(default master)
	# Author: Justin Zhang <[email protected]>
	# Created: 2013-12-04
	#
	# Usage:
	# check_rebase.sh [current branch] [integration branch]
	#

schnell18 / get_patch.sh

Last active December 30, 2015 13:29

Shell script to archive full source of last changed files.

	#!/bin/bash

	base=$1
	archive=$2
	currentBranch=$(git rev-parse --abbrev-ref HEAD)
	currentBranch=${currentBranch//heads\//}

	if [[ -z $base ]]
	then
	base=bl_${currentBranch}

schnell18 / rc.conf

Created December 8, 2013 11:40

Sample FreeBSD network interface configuration

Justin Zhang schnell18