From ec0dc734c3f0644ea653749eb65c368a66025c5e Mon Sep 17 00:00:00 2001
From: Xinglu Chen <public@yoctocell.xyz>
Date: Sun, 9 May 2021 10:33:08 +0200
Subject: [PATCH] python3Packages.hg-commitsigs: init at unstable-2021-01-08

A Mercurial extension for signing changesets.
---
 .../python-modules/hg-commitsigs/default.nix  | 41 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 43 insertions(+)
 create mode 100644 pkgs/development/python-modules/hg-commitsigs/default.nix

diff --git a/pkgs/development/python-modules/hg-commitsigs/default.nix b/pkgs/development/python-modules/hg-commitsigs/default.nix
new file mode 100644
index 000000000000..5c195bfe19f1
--- /dev/null
+++ b/pkgs/development/python-modules/hg-commitsigs/default.nix
@@ -0,0 +1,41 @@
+{ lib
+, fetchhg
+, stdenv
+, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "hg-commitsigs";
+  # Latest tag is 11 years old.
+  version = "unstable-2021-01-08";
+
+  src = fetchhg {
+    url = "https://foss.heptapod.net/mercurial/commitsigs";
+    rev = "b53eb6862bff";
+    sha256 = "sha256-PS1OhC9MiVFD7WYlIn6FavD5TyhM50WoV6YagI2pLxU=";
+  };
+
+  # Not sure how the tests are supposed to be run, and they 10 years old...
+  doCheck = false;
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p $out/lib/${python3.libPrefix}/site-packages/hgext3rd/
+    install -D $src/commitsigs.py \
+               $out/lib/${python3.libPrefix}/site-packages/hgext3rd/
+  '';
+
+  meta = with lib; {
+    description = "Automatic signing of changeset hashes";
+    longDescription = ''
+      This packages provides a Mercurial extension that lets you sign
+      the changeset hash when you commit.  The signature is embedded
+      directly in the changeset itself; there wont be any extra
+      commits.  Either GnuPG or OpenSSL can be used to sign the hashes.
+    '';
+    homepage = "https://foss.heptapod.net/mercurial/commitsigs";
+    maintainers = with maintainers; [ yoctocell ];
+    license = licenses.gpl2Plus;
+    platforms = platforms.unix; # same as Mercurial
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 33559777930e..d3a2a8b8c53f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3025,6 +3025,8 @@ in {
 
   heudiconv = callPackage ../development/python-modules/heudiconv { };
 
+  hg-commitsigs = callPackage ../development/python-modules/hg-commitsigs { };
+
   hg-evolve = callPackage ../development/python-modules/hg-evolve { };
 
   hglib = callPackage ../development/python-modules/hglib { };