#! /bin/sh
#
# post-darcs
#
# Simple cgi-bin script applying changes via HTTP POST  
#
# Used with darcs-apply-http
#

#
# Author: Pekka Pessi <ppessi@gmail.com>
#
# This software is copyright (C) 2007 Pekka Pessi.
# This software is copyright (C) 2007 Nokia Corporation. All Rights Reserved.
#
# You are free to distribute this software under the terms of
# the GNU General Public License version 2 or later. 
#
# See the file GPL for more details.
#

repos=/var/www/repos
# More secure (?) location for keyrings
keyrings=/var/lib/dah/keyrings

umask 007

echo "Content-Type: text/plain"
echo 

query="`echo "$QUERY_STRING" | sed 's/&.*$//; s-%2F-/-; s,[^-A-Za-z0-9/]/,,g; s-^/*--;'`"

repodir="$repos/$query"
prefs="$repodir/_darcs/prefs/"

test -n "$query" || { echo "$QUERY_STRING: no repository"; exit ; }
test -d "$prefs" || { echo "$query: no such repository"; exit ; }
test -r "$prefs/apply-url" || { echo "$query: invalid repository"; exit ; }

cd "$repodir" || { echo "$query: cannot access repository"; exit ; }

echo "post-darcs: verifying and applying"

if test -r "$keyrings/$query" ; then
    verify="--verify=$keyrings/$query"
elif test -r "$prefs/keyring" ; then
    verify=--verify="$prefs/keyring"
else
    verify=--dry-run
fi

exec 2>&1

# gpg wants to write to ~/.gnupg/trustdb. bad gpg
GNUPGHOME="$prefs"
export GNUPGHOME

darcs apply $verify