diff --git a/gestion/darcs_send_changes.py b/gestion/darcs_send_changes.py
index a13b56f6..5e945742 100755
--- a/gestion/darcs_send_changes.py
+++ b/gestion/darcs_send_changes.py
@@ -58,10 +58,9 @@ def darcs(args):
     """ Invoque darcs et renvoie sa sortie. """
     return to_utf8(commands.getoutput("env DARCS_DONT_ESCAPE_8BIT=1 darcs " + args))
 
-def get_patch_properties():
-    """ Récupère les informations a propos du dernier patch. """
-    prop = etree.XML(darcs("changes --last 1 --xml-output"))[0]
-    hash = prop.attrib['hash']
+def get_patch_properties(hash):
+    """ Récupère les informations a propos d'un certain patch. """
+    prop = etree.XML(darcs("changes --match='hash %s' --xml-output" % hash))[0]
     diff = darcs("diff --match='hash %s' --unified" % hash)
     diff = diff[diff.find('\ndiff ')+1:]
     cwd = os.getcwd()
@@ -75,6 +74,16 @@ def get_patch_properties():
              'diff': diff,
              'changes': darcs("changes --match='hash %s' --summary" % hash) }
 
+def get_patches_properties(from_hash):
+    """ Construit la liste des informations sur les patches à partir du patch from_hash. """
+    changelog = etree.XML(darcs("changes --from-match='hash %s' --reverse --xml-output" % from_hash))
+    props = []
+    for change in changelog[1:]:
+        # Ca peut parraitre inutile de refaire un darcs changes, mais c'est pour palier aux problemes
+        # d'encodages
+        props.append(get_patch_properties(change.attrib['hash']))
+    return props
+
 DEFAULT_TEMPLATE = """From: %(author)s
 To: %(recipient)s
 Subject: Darcs record (%(shortrepo)s): %(name)s
@@ -83,7 +92,9 @@ Subject: Darcs record (%(shortrepo)s): %(name)s
 
 %(diff)s
 """
-TEMPLATE_FILE = "_darcs/third-party/darcs-send-changes/email-template"
+CONF_PATH = "_darcs/third-party/darcs-send-changes"
+TEMPLATE_FILE = CONF_PATH + "/email-template"
+LAST_SEEN_FILE = CONF_PATH + "/last-seen"
 
 def send_changes(smtp, recipient, patch_props, template=DEFAULT_TEMPLATE):
     """ Formatte et envoie un mail avec les modifications sur le dernier
@@ -140,6 +151,7 @@ Les options disponibles sont:
   -s, --smtp <serveur>      spécifie le serveur smtp à utiliser
   -r, --repo <chemin>       spécifie l'emplacement du dépôt
   -t, --template <fichier>  fichier a utiliser comme template
+  -f, --from <hash>         hash du premier patch de la série a envoyer
 
 Si aucun destinataires n'est donné, roots@crans.org est utilisé.
 """ % { 'name': os.path.basename(sys.argv[0]) })
@@ -151,9 +163,10 @@ if __name__ == "__main__":
     smtp = 'localhost'
     repo = None
     template = None
+    from_hash = None
 
     try:
-        options, arg = getopt.getopt(sys.argv[1:], 'hs:r:t:', [ 'help', 'smtp=', 'repo=', 'template='])
+        options, arg = getopt.getopt(sys.argv[1:], 'hs:r:t:f:', [ 'help', 'smtp=', 'repo=', 'template=', 'from='])
     except getopt.error, msg:
         __usage(unicode(msg))
     for opt, val in options:
@@ -165,6 +178,8 @@ if __name__ == "__main__":
             repo = val
         elif opt in [ '-t', '--template' ]:
             template = val
+        elif opt in [ '-f', '--from' ]:
+            from_hash = val
         else:
             __usage("option inconnue « %s »'" % opt)
     recipient = arg
@@ -179,6 +194,27 @@ if __name__ == "__main__":
         f = open(template)
         template = f.read()
         f.close()
+    if not from_hash:
+        if os.path.exists(LAST_SEEN_FILE):
+            f = open(LAST_SEEN_FILE)
+            from_hash = f.read().strip()
+            f.close()
+        else:
+            from_hash = ""
+
+    patches = get_patches_properties(from_hash)
+    if len(patches) == 0:
+        sys.exit(0)
+    for patch in patches:
+        cprint("Envoie du patch %s a %s." % (patch['hash'], ", ".join(recipient)))
+        send_changes(smtplib.SMTP(smtp), recipient, patch, template)
+    if not os.path.exists(CONF_PATH):
+        p = ""
+        for comp in CONF_PATH.split('/'):
+            p = "%s/%s" % (p, comp)
+            if not os.path.exits(p):
+                os.mkdir(p)
+    f = open(LAST_SEEN_FILE, "w")
+    f.write(patches[-1]['hash'])
+    f.close()
 
-    cprint("Envoie du patch a " + ", ".join(recipient))
-    send_changes(smtplib.SMTP(smtp), recipient, get_patch_properties(), template)