diff --git a/python-hglib-hg-52.patch b/python-hglib-hg-52.patch
new file mode 100644
index 0000000..4907989
--- /dev/null
+++ b/python-hglib-hg-52.patch
@@ -0,0 +1,92 @@
+changeset:   211:1a318162f06f
+user:        Augie Fackler <raf@durin42.com>
+date:        Wed Dec 11 10:20:58 2019 -0500
+summary:     grep: update tests to cope with behavior change in hg 5.2
+
+diff -r 513ebe91dc72 -r 1a318162f06f tests/test-grep.py
+--- a/tests/test-grep.py	Wed Dec 11 09:39:53 2019 -0500
++++ b/tests/test-grep.py	Wed Dec 11 10:20:58 2019 -0500
+@@ -10,13 +10,22 @@
+         # no match
+         self.assertEquals(list(self.client.grep(b('c'))), [])
+ 
+-        self.assertEquals(list(self.client.grep(b('a'))),
+-                          [(b('a'), b('0'), b('a')), (b('b'), b('0'), b('ab'))])
+-        self.assertEquals(list(self.client.grep(b('a'), b('a'))),
+-                          [(b('a'), b('0'), b('a'))])
++        if self.client.version >= (5, 2):
++            self.assertEquals(list(self.client.grep(b('a'))),
++                              [(b('a'), b('a'), b('b'))])
++            self.assertEquals(list(self.client.grep(b('a'), b('a'))),
++                              [(b('a'), b('a'), b(''))])
+ 
+-        self.assertEquals(list(self.client.grep(b('b'))),
+-                          [(b('b'), b('0'), b('ab'))])
++            self.assertEquals(list(self.client.grep(b('b'))),
++                              [(b('b'), b('ab'), b(''))])
++        else:
++            self.assertEquals(list(self.client.grep(b('a'))),
++                              [(b('a'), b('0'), b('a')), (b('b'), b('0'), b('ab'))])
++            self.assertEquals(list(self.client.grep(b('a'), b('a'))),
++                              [(b('a'), b('0'), b('a'))])
++
++            self.assertEquals(list(self.client.grep(b('b'))),
++                              [(b('b'), b('0'), b('ab'))])
+ 
+     def test_options(self):
+         self.append('a', 'a\n')
+@@ -27,16 +36,26 @@
+                            (b('b'), b('0'), b('+'), b('ab'))],
+                           list(self.client.grep(b('a'), all=True)))
+ 
+-        self.assertEquals([(b('a'), b('0')), (b('b'), b('0'))],
+-                          list(self.client.grep(b('a'), fileswithmatches=True)))
++        if self.client.version >= (5, 2):
++            self.assertEquals([(b('a'), b('b'))],
++                              list(self.client.grep(b('a'), fileswithmatches=True)))
++
++            self.assertEquals([(b('a'), b('1'), b('a'), b('b'))],
++                              list(self.client.grep(b('a'), line=True)))
+ 
+-        self.assertEquals([(b('a'), b('0'), b('1'), b('a')),
+-                           (b('b'), b('0'), b('1'), b('ab'))],
+-                          list(self.client.grep(b('a'), line=True)))
++            self.assertEquals([(b('a'), b('test'), b('a'), b('b'))],
++                              list(self.client.grep(b('a'), user=True)))
++        else:
++            self.assertEquals([(b('a'), b('0')), (b('b'), b('0'))],
++                              list(self.client.grep(b('a'), fileswithmatches=True)))
+ 
+-        self.assertEquals([(b('a'), b('0'), b('test'), b('a')),
+-                           (b('b'), b('0'), b('test'), b('ab'))],
+-                          list(self.client.grep(b('a'), user=True)))
++            self.assertEquals([(b('a'), b('0'), b('1'), b('a')),
++                               (b('b'), b('0'), b('1'), b('ab'))],
++                              list(self.client.grep(b('a'), line=True)))
++
++            self.assertEquals([(b('a'), b('0'), b('test'), b('a')),
++                               (b('b'), b('0'), b('test'), b('ab'))],
++                              list(self.client.grep(b('a'), user=True)))
+ 
+         self.assertEquals([(b('a'), b('0'), b('1'), b('+'), b('test')),
+                            (b('b'), b('0'), b('1'), b('+'), b('test'))],
+
+changeset:   208:12e6aaef0f6e
+user:        Matt Harbison <matt_harbison@yahoo.com>
+date:        Tue May 07 22:16:59 2019 -0400
+summary:     tests: handle the removal of `obsolete._enabled` in Mercurial
+
+diff -r 33b512aa8dba -r 12e6aaef0f6e tests/test-hidden.py
+--- a/tests/test-hidden.py	Mon Apr 30 10:38:03 2018 -0400
++++ b/tests/test-hidden.py	Tue May 07 22:16:59 2019 -0400
+@@ -22,6 +22,9 @@
+         super(test_obsolete_baselib, self).setUp()
+         self.append('.hg/obs.py',
+                     "import mercurial.obsolete\n"
++                    "# 3.2 and later\n"
++                    "mercurial.obsolete.isenabled = lambda r, opt: True\n"
++                    "# Dropped in 5.1\n"
+                     "mercurial.obsolete._enabled = True")
+         self.append('.hg/hgrc','\n[extensions]\nobs=.hg/obs.py')
+ 
+
diff --git a/python-hglib.spec b/python-hglib.spec
index 5cde9cc..2ad4e32 100644
--- a/python-hglib.spec
+++ b/python-hglib.spec
@@ -5,10 +5,11 @@
 Summary:        Mercurial Python library
 Name:           python-hglib
 Version:        2.6.1
-Release:        9%{?dist}
+Release:        10%{?dist}
 License:        MIT
 URL:            http://selenic.com/repo/python-hglib
 Source0:        https://files.pythonhosted.org/packages/source/p/%{name}/%{name}-%{version}.tar.gz
+Patch0:         python-hglib-hg-52.patch
 BuildArch:      noarch
 BuildRequires:  mercurial
 %if 0%{?with_python2}
@@ -42,6 +43,7 @@ hg.
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 %if 0%{?with_python2}
@@ -74,6 +76,9 @@ hg.
 %{python3_sitelib}/python_hglib-*-py*egg-info
 
 %changelog
+* Sat Feb 01 2020 Terje Rosten <terje.rosten@ntnu.no> - 2.6.1-10
+- Add mercurial 5.2 compat patch
+
 * Thu Jan 30 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.6.1-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild