#!/bin/sh
#
# func/giturl
#
# a convenient way to display the gitweb URL of a commit-ish
#
# Copyright © 2010 martin f. krafft <madduck@madduck.net>
# Released under the terms of the Artistic Licence 2.0
#
# Source repository: git://git.madduck.net/etc/zsh.git
#

local remote; remote=$(git config --get remote.origin.url)

local part gitweb_base oldstyle
oldstyle=0
case "$remote" in
  madduck:pub/*)
    gitweb_base=http://git.madduck.net/v
    part="${remote#madduck:pub/}"
    ;;
  debian:*|*://git.debian.org/git/*|*@git.debian.org/git/*)
    gitweb_base=http://git.debian.org
    part="${remote#debian:}"
    part="${part#*://git.debian.org/git/}"
    part="${part#*@git.debian.org/git/}"
    oldstyle=1
    ;;
  *)
    echo >&2 "E: I do not know how to translate $REMOTE into a gitweb URL."
    return 1
    ;;
esac

local hash
hash=$(git rev-parse HEAD)

case "$oldstyle" in
  0) echo "$gitweb_base/$part/commitdiff/$hash";;
  *) echo "$gitweb_base/?p=$part;a=commitdiff;h=$hash";;
esac