mercurial-server fixed PKGBUILD for Arch Linux

diff --git a/PKGBUILD b/PKGBUILD
index d76084f..93b19dd 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,30 +1,36 @@
 #Maintainer: Andrzej Giniewicz <gginiu@gmail.com>
 #Contributor: Brennan Frydl <me@bfrydl.com>
+#Contributor: Andy Melnikov <andy.melnikov@gmail.com>

 pkgname='mercurial-server'
 pkgver=1.3
-pkgrel=1
+pkgrel=2
 pkgdesc='Provides easily administered shared SSH access to Mercurial repositories.'
 arch=('any')
 url='http://www.lshift.net/mercurial-server.html'
 license=('GPL')
-depends=('mercurial')
+depends=('mercurial' 'python2')
 makedepends=('python2-distribute')
 install='mercurial-server.install'
-source=("http://dev.lshift.net/paul/mercurial-server/mercurial-server_$pkgver.tar.gz")
-md5sums=('7cb8e5eb12e7e7a6a9434d7eb67b97d0')
+source=("https://bitbucket.org/lshift/mercurial-server/get/release_${pkgver}.tar.bz2"
+       compat.patch)
+md5sums=('a1ff2cdd9e0e813af61ef0d3020f3dd7'
+         '69362f2128ef1ce46783e7ea8e5324bb')

-build() {
-       cd "$srcdir"/mercurial-server-$pkgver
-       sed -i 's/python setup.py/python2 setup.py/' Makefile
+prepare() {
+       cd "$srcdir"/lshift-mercurial-server-*
+       sed -i 's/python setup.py/python2 setup.py/;s/setup.py install \\/setup.py install --optimize=1 --skip-build \\/' Makefile
        find ./src -type f | xargs sed -i 's/env python/env python2/'
+       patch -R --strip=1 --input="${srcdir}/compat.patch"
+}

+build() {
+       cd "$srcdir"/lshift-mercurial-server-*
        make pythonbuild
 }

 package() {
-       cd "$srcdir"/mercurial-server-$pkgver
-
+       cd "$srcdir"/lshift-mercurial-server-*
        make PREFIX='/usr/share' DESTDIR="$pkgdir/" installetc pythoninstall
 }

diff --git a/compat.patch b/compat.patch
new file mode 100644
index 0000000..c5d3a80
--- /dev/null
+++ b/compat.patch
@@ -0,0 +1,15 @@
+--- a/src/mercurialserver/changes.py   2020-07-15 15:27:56.260000000 +0000
++++ b/src/mercurialserver/changes.py   2020-07-15 15:26:59.850000000 +0000
+@@ -3,10 +3,10 @@
+ """
+
+ def changes(repo, node):
+-    start = repo[node].rev()
++    start = repo.changectx(node).rev()
+     try:
+         end = len(repo.changelog)
+     except:
+         end = repo.changelog.count()
+     for rev in xrange(start, end):
+-        yield repo[rev]
++        yield repo.changectx(rev)