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@masak
masak / explanation.md
Last active April 10, 2025 16:42
How is git commit sha1 formed

Ok, I geeked out, and this is probably more information than you need. But it completely answers the question. Sorry. ☺

Locally, I'm at this commit:

$ git show
commit d6cd1e2bd19e03a81132a23b2025920577f84e37
Author: jnthn <[email protected]>
Date:   Sun Apr 15 16:35:03 2012 +0200

When I added FIRST/NEXT/LAST, it was idiomatic but not quite so fast. This makes it faster. Another little bit of masak++'s program.

@dfox
dfox / update-route53-dns.sh
Created January 25, 2012 17:19
A script to update DNS on Route 53
#!/bin/sh
# Make sure only root can run our script
if [ "$(id -u)" != "0" ]; then
echo "This script must be run as root" 1>&2
exit 1
fi
# Load configuration
. /etc/route53/config
@rpavlik
rpavlik / fix_homebrew.rb
Created January 6, 2011 20:32 — forked from mxcl/install_homebrew.markdown
Fix permissions on /usr/local for Homebrew
#!/usr/bin/ruby
#
# This script fixes /usr/local only.
#
# 6th January 2010:
# Modified the script to just fix, rather than install. - rpavlik
#
# 30th March 2010:
# Added a check to make sure user is in the staff group. This was a problem
# for me, and I think it was due to me migrating my account over several