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kvz/git-timetracker.sh

Created June 21, 2015 18:46
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git-timetracker.sh
#!/usr/bin/env bash
# Git Timetracker. Copyright Kevin van Zonneveld (kvz.io)
# License under MIT
#
# This file
#
# - can be run inside a git repository to get a list on what hours work took place (for billing)
# - takes 1 argument: since. It defaults to "2 months"
#
# Usage:
#
# cd repo
# git-timetracker.sh 1 month
#
# Remarks:
#
# - Since we can't use a custom dateformat but really want to, the hack is to
# use iso format, and add backspace characters (%x08)
#
# Possible output:
#
# 2013-03-30 14:02 4bf9607 kevin@vanzonneveld.net Allow the egrep to fail without bailing out
# 2013-03-28 01:29 9120b9e kevin@vanzonneveld.net When cron fails, fallback to fallback nameservers :) Fixes #1
# 2013-03-27 13:42 d0b0df2 kevin@vanzonneveld.net Improve docs
# 2013-03-27 13:10 68c4314 kevin@vanzonneveld.net Initial import of dns-failover.sh
set -o pipefail
set -o errexit
set -o nounset
# set -o xtrace
# Optionally set how long to travel back in time
since="${@:-2 months}"
git --no-pager log \
--date=iso \
--since="${since}" \
--date-order \
--full-history \
--all \
--pretty=tformat:"%C(cyan)%ad%x08%x08%x08%x08%x08%x08%x08%x08%x08 %C(bold red)%h %C(bold blue)%<(22)%ae %C(reset)%s"
@oliverpool
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A nice trick is to add it to your ~/.gitconfig as an alias:

[alias] 
	timetrack = "!f() { \
         git --no-pager log \
		 	--date=iso \
		 	--since="${1-2 months}$" \
			"${2}" \
		 	--date-order \
		 	--full-history \
		 	--all \
			--pretty=tformat:'%C(cyan)%ad%x08%x08%x08%x08%x08%x08%x08%x08%x08 %C(bold red)%h %C(bold blue)%<(22)%ae %C(reset)%s'; \
       }; f"

You can then type git timetrack, git timetrack "1 day", git timetrack "1 month" --reverse (the arguments are positional, so the duration is required in this case) in any git repository!

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