.gear/rules     |  3 ++
 .gear/tags/list |  1 +
 unison.spec     | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 92 insertions(+)

diff --git a/.gear/rules b/.gear/rules
new file mode 100644
index 0000000..ce68fa4
--- /dev/null
+++ b/.gear/rules
@@ -0,0 +1,3 @@
+copy: *.spec
+tar: v@version@:.
+diff: v@version@:. . name=@name@-@version@-alt.patch
diff --git a/.gear/tags/list b/.gear/tags/list
new file mode 100644
index 0000000..36c27b9
--- /dev/null
+++ b/.gear/tags/list
@@ -0,0 +1 @@
+f29b364cad83c71f5620c0df3b9b0049b62d2d60 v2.51.4
diff --git a/unison.spec b/unison.spec
new file mode 100644
index 0000000..2684f0a
--- /dev/null
+++ b/unison.spec
@@ -0,0 +1,88 @@
+Name: unison
+Version: 2.51.4
+Release: alt1
+
+Summary: File-synchronization tool
+
+Group: Networking/File transfer
+License: GPLv2+
+Url: http://www.cis.upenn.edu/~bcpierce/unison
+# https://github.com/bcpierce00/unison
+Source0: %name-%version.tar
+Patch0: %name-%version-alt.patch
+
+BuildRequires: ocaml >= 4.10
+BuildRequires: texlive-collection-latexrecommended texlive-collection-basic ghostscript-utils
+
+%description
+Unison is a file-synchronization tool. It allows two replicas of a
+collection of files and directories to be stored on different hosts
+(or different disks on the same host), modified separately, and then
+brought up to date by propagating the changes in each replica to the
+other.
+
+%package gui
+Summary: GTK+ version of unison file-synchronization tool
+Group: Networking/File transfer
+%description gui
+Unison is a file-synchronization tool. It allows two replicas of a
+collection of files and directories to be stored on different hosts
+(or different disks on the same host), modified separately, and then
+brought up to date by propagating the changes in each replica to the
+other.
+
+%prep
+%setup
+%patch0 -p1
+
+%build
+%make_build
+
+%install
+install -Dp -m 0755 src/%name %buildroot/%_bindir/%name
+
+%check
+make test
+
+
+%files
+%doc src/COPYING src/NEWS src/README
+%_bindir/unison
+
+%changelog
+* Thu Jul 29 2021 Anton Farygin <rider@altlinux.ru> 2.51.4-alt1
+- 2.51.4
+
+* Mon Apr 12 2021 Anton Farygin <rider@altlinux.org> 2.51.3-alt2
+- fixed build with ocaml 4.12
+
+* Sat Oct 24 2020 Anton Farygin <rider@altlinux.ru> 2.51.3-alt1
+- 2.51.3
+
+* Sat Aug 29 2020 Anton Farygin <rider@altlinux.ru> 2.51.2-alt5
+- add patches from upstream git
+
+* Tue Jun 30 2020 Anton Farygin <rider@altlinux.ru> 2.51.2-alt4
+- build 2.51.3
+
+* Thu Aug 08 2019 Anton Farygin <rider@altlinux.ru> 2.51.2-alt3
+- rebuild with ocaml-4.08
+
+* Wed Oct 31 2018 Anton Farygin <rider@altlinux.ru> 2.51.2-alt2
+- added unison-gui package with GTK2 UI (closes: #18455)
+
+* Tue Oct 30 2018 Anton Farygin <rider@altlinux.ru> 2.51.2-alt1
+- 2.51.2
+
+* Sat Mar 03 2018 Igor Vlasenko <viy@altlinux.ru> 2.48.4-alt2
+- NMU: rebuild with TeXLive instead of TeTeX
+
+* Wed May 10 2017 Anton Farygin <rider@altlinux.ru> 2.48.4-alt1
+- new version
+
+* Tue Jun 25 2013 Anton Farygin <rider@altlinux.ru> 2.45.28-alt1
+- new version
+
+* Thu Jul 12 2012 Anton Farygin <rider@altlinux.ru> 2.45.4-alt1
+- first build for Sisyphus
+