From b74b784f67f1e935869886fbf71bad2b1eb8f3a6 Mon Sep 17 00:00:00 2001
From: Joseph Graham <joseph@fibreglass.tunachunks>
Date: Mon, 2 Jun 2014 07:12:56 +0100
Subject: Made it get the .torrent files from any of the mirrors.

Made the progress indicator tell whether it is downloading the packages by http or p2p.
---
 pacman2pacman-get | 45 +++++++++++++++++++++++++++++++++++----------
 1 file changed, 35 insertions(+), 10 deletions(-)

diff --git a/pacman2pacman-get b/pacman2pacman-get
index fd7ed37..61e1ec5 100644
--- a/pacman2pacman-get
+++ b/pacman2pacman-get
@@ -18,9 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-
-# Where Pacman2pacman will look to find .torrent files.
-torrents='http://repo.parabolagnulinux.org/torrents/'
+shopt -s extglob
 
 torrent_folder='/srv/pacman2pacman/torrents'
 
@@ -44,8 +42,6 @@ then
     exit 1
 fi
 
-torrent_url="${torrents}${url##*/}.torrent"
-
 cd "${torrent_folder}"
 
 # Find the name of the package that will be displayed
@@ -53,7 +49,36 @@ pname="${url##*/}"
 pname="${pname%%-[[:digit:]]*}"
 
 # Check for a .torrent.
-if curl -O -f -L -s -A 'Pacman2pacman' "${torrent_url}"
+
+# We will cycle through the mirrors in the mirrorlist, trying to get
+# the torrent file for this package. If it fails we keep trying more
+# mirrors until we get a 404 or a success, because only a 404
+# indicates that the .torrent does not exist.
+
+while read mirror
+do
+    # Remove the `Server = ' part, whether it has spaces or not
+    mirror="${mirror##Server?( )=?( )}"
+
+    torrent_url="${mirror%%\$*}torrents/${url##*/}.torrent"
+
+    err=$( curl -O -f -L -s -A 'Pacman2pacman' "${torrent_url}" )
+
+    if [[ "${?}" == 0 ]]
+    then
+        response='found_torrent'
+        break
+
+    elif [[ "${err}" == *'404'* ]]
+    then
+        response='no_torrent'
+        break
+    fi
+done < <(grep 'Server \?= \?' "/etc/pacman.d/mirrorlist")
+
+# If there's a .torrent we download the package with transmission
+# otherwize we just download it by http.
+if [[ "${response}" == 'found_torrent' ]]
 then
     cd "${pkg_cache_location}"
     # Add the torrent to transmission
@@ -92,14 +117,14 @@ then
     # the right place.
     progress='0%'
 
-    echo -n "Pacman2pacman download: ${pname}: ${progress}"
+    echo -n "Pacman2pacman p2p download: ${pname}: ${progress}"
 
     until [[ "${progress}" == '100%' ]]
     do
         progress=$(transmission-remote -t "${id}" -i | grep 'Percent Done:')
         progress="${progress##* }"  # Remove stuff we don't want
 
-        printf "\rPacman2pacman download: %s: %s   " "${pname}" "${progress}"
+        printf "\rPacman2pacman p2p download: %s: %s   " "${pname}" "${progress}"
 
         sleep 0.7
     done
@@ -118,7 +143,7 @@ else
 
     progress='0%'
 
-    echo -n "Pacman2pacman download: ${pname}: ${progress}"
+    echo -n "Pacman2pacman http download: ${pname}: ${progress}"
 
     # The first loop gets rid of all the backspace and `#'es and
     # stuff. The second loop isolates the percent done number.
@@ -134,7 +159,7 @@ else
         # For consistency with the transmission progress bar:
         [[ "${progress}" == '100.0%' ]] && progress='100%'
 
-        printf "\rPacman2pacman download: %s: %s   " "${pname}" "${progress}"
+        printf "\rPacman2pacman http download: %s: %s   " "${pname}" "${progress}"
     done
 
     echo
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