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#!/bin/bash
# Log output:
#
# * 51c333e (12 days) <Gary Bernhardt> add vim-eunuch
#
# The time massaging regexes start with ^[^<]* because that ensures that they
# only operate before the first "<". That "<" will be the beginning of the
# author name, ensuring that we don't destroy anything in the commit message
# that looks like time.
#
# The log format uses } characters between each field, and `column` is later
# used to split on them. A } in the commit subject or any other field will
# break this.
HASH="%C(yellow)%h%Creset"
RELATIVE_TIME="%Cgreen(%ar)%Creset"
AUTHOR="%C(bold blue)<%an>%Creset"
REFS="%C(red)%d%Creset"
SUBJECT="%s"
FORMAT="$HASH}$REFS $SUBJECT}$RELATIVE_TIME}$AUTHOR"
ANSI_BLACK='\033[30m'
ANSI_BLACK_BOLD='\033[0;30;1m'
ANSI_RED='\033[31m'
ANSI_RED_BOLD='\033[0;31;1m'
ANSI_GREEN='\033[32m'
ANSI_GREEN_BOLD='\033[0;32;1m'
ANSI_YELLOW='\033[33m'
ANSI_YELLOW_BOLD='\033[0;33;1m'
ANSI_BLUE='\033[34m'
ANSI_BLUE_BOLD='\033[0;34;1m'
ANSI_MAGENTA='\033[35m'
ANSI_MAGENTA_BOLD='\033[0;35;1m'
ANSI_CYAN='\033[36m'
ANSI_CYAN_BOLD='\033[0;36;1m'
ANSI_WHITE='\033[37m'
ANSI_WHITE_BOLD='\033[0;37;1m'
ANSI_RESET='\033[0m'
pretty_git_log() {
git log --graph --pretty="tformat:${FORMAT}" $* |
# Replace (2 years ago) with (2 years)
sed -Ee 's/ ago\)/)/' |
# Replace (2 years, 5 months) with (2 years)
sed -Ee 's/(^[^<]*), [[:digit:]]+ .*months?)/\1)/' |
# Line columns up based on } delimiter
column -s '}' -t |
# Color merge commits specially
sed -Ee "s/(Merge branch .* into .*$)/$(printf $ANSI_RED)\1$(printf $ANSI_RESET)/" |
# Page only if we need to
less -FXRS
}