#!/bin/sh
#
# func/giturl
#
# A convenient way to display the gitweb URL of a commit-ish, as well as the
# base URL and tree. Also for each argument, the tree or blob URL is printed.
#
# 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 "$remote" in
  madduck:pub/*|ssh://git.madduck.net/madduck/pub/*)
    gitweb_base=http://git.madduck.net/v
    part="${remote#madduck:pub/}"
    part="${part#ssh://git.madduck.net/madduck/pub/}"
    part="${part%.git}.git"
    ;;
  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="${part#*@git.debian.org/git/}"
    part="${part%.git}.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/$part"
    echo "$gitweb_base/$part/commitdiff/$hash"
    echo "$gitweb_base/$part/tree/HEAD"
    for i in $@; do
      [ -f "$i" ] && echo "$gitweb_base/$part/blob/HEAD:/$i"
      [ -d "$i" ] && echo "$gitweb_base/$part/tree/HEAD:/$i"
    done
    ;;
  *)
    echo "$gitweb_base/?p=$part"
    echo "$gitweb_base/?p=$part;a=commitdiff;h=$hash"
    echo "$gitweb_base/?p=$part;a=tree;h=HEAD"
    for i in $@; do
      [ -f "$i" ] && echo "$gitweb_base/?p=$part;a=blob;hb=HEAD;f=$i"
      [ -d "$i" ] && echo "$gitweb_base/?p=$part;a=tree;hb=HEAD;f=$i"
    done
    ;;
esac