HaleTom

Verifying that +tomhale is my blockchain ID. https://onename.com/tomhale

HaleTom

# NO LONGER UPDATED
# Merged into: https://gist.github.com/HaleTom/631efef6fb6ae86618128647dc887aee

##################
# Set the prompt #
##################

# Select git info displayed, see /usr/lib/git-core/git-sh-prompt for more
export GIT_PS1_SHOWDIRTYSTATE=1           # '*'=unstaged, '+'=staged
export GIT_PS1_SHOWSTASHSTATE=1           # '$'=stashed

HaleTom

# Print the name of the git repository's working tree's root directory
# Search for 'Tom Hale' in http://stackoverflow.com/questions/957928/is-there-a-way-to-get-the-git-root-directory-in-one-command
# Or, shorter: 
# (root=$(git rev-parse --git-dir)/ && cd ${root%%/.git/*} && git rev-parse && pwd)
# but this doesn't cover external $GIT_DIRs which are named other than .git
function git_root {
  local root first_commit
  # git displays its own error if not in a repository
  root=$(git rev-parse --show-toplevel) || return
  if [[ -n $root ]]; then

HaleTom

# System-wide .bashrc file for interactive bash(1) shells.

# To enable the settings / commands in this file for login shells as well,
# this file has to be sourced in /etc/profile.

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options

HaleTom

#!/bin/bash

# Usage: gem-patch
# Code updates: https://gist.github.com/HaleTom/275f28403828b9b9b93d313990fc94f4

# Features: 
# Work around `patch` returning non-zero if some patch hunks are already applied
# Apply all patches in $patch_dir (in order) to their corresponding gem(s)
# Build a gem only after all patches have been applied
# Only build the gem if it was patched

HaleTom

# Functions to be sourced by .bashrc
#
# Ensure that ones to be accessed outside of .bashrc are added
# to the 'export' line at the very end.

# The absolute directory name of a file(s) or directory(s)
function abs_dirname {
  for _ in $(eval echo "{1..$#}"); do
    (cd "${dir:="$(dirname "$1")"}" && pwd || exit 1 )
    [[ $? -ne 0 ]] && return 1

HaleTom

#!/bin/bash

# Tom Hale, 2016. MIT Licence.
# Print out 256 colours, with each number printed in its corresponding colour
# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163

set -eu # Fail on errors or undeclared variables

printable_colours=256

HaleTom

#!/bin/bash -eu

# Quote a single- or multi-line string for use in git's aliases
# Copyright (c) 2016 Tom Hale under https://en.wikipedia.org/wiki/MIT_License

quote() {
  printf %s "$1" | sed -r 's/(["\\])/\\\1/g';
}

IFS=$(printf '\n')

HaleTom

#!/bin/bash -eu
table_to_update=./compatible_table
source_extract=./option_extract

function get_decorated_options {
  # option_extract > while read -r option;
  while read -r line; do
    name=$(printf %s "$line" | sed -rn 's/^\s*\{\s*"(\w+).*/\1/p')

    # Get decoration

HaleTom

#!/bin/bash

# Safely backup the pacman databases to enable reversal of system upgrade.
# Use pacman -b <backupdirectory> to use the saved databses

# Latest version: https://gist.github.com/HaleTom/9dbffaf3369b86ca272ffe6a61a36aba

set -euo pipefail; shopt -s failglob # safe mode

db_lock=/var/lib/pacman/db.lck