diff --git a/doc/builders/fetchers.chapter.md b/doc/builders/fetchers.chapter.md
index 16e4baa966b0..317c9430cd00 100644
--- a/doc/builders/fetchers.chapter.md
+++ b/doc/builders/fetchers.chapter.md
@@ -72,3 +72,7 @@ This is used with Savannah repositories. The arguments expected are very similar
 ## `fetchFromRepoOrCz`
 
 This is used with repo.or.cz repositories. The arguments expected are very similar to fetchFromGitHub above.
+
+## `fetchFromSourcehut`
+
+This is used with sourcehut repositories. The arguments expected are very similar to fetchFromGitHub above. Don't forget the tilde (~) in front of the user name!
diff --git a/pkgs/applications/networking/browsers/castor/default.nix b/pkgs/applications/networking/browsers/castor/default.nix
index daead82e4854..259a8780901e 100644
--- a/pkgs/applications/networking/browsers/castor/default.nix
+++ b/pkgs/applications/networking/browsers/castor/default.nix
@@ -1,5 +1,5 @@
 { lib
-, fetchurl
+, fetchFromSourcehut
 , rustPlatform
 , pkg-config
 , wrapGAppsHook
@@ -15,9 +15,11 @@ rustPlatform.buildRustPackage rec {
   pname = "castor";
   version = "0.8.16";
 
-  src = fetchurl {
-    url = "https://git.sr.ht/~julienxx/castor/archive/${version}.tar.gz";
-    sha256 = "1qwsprwazkzcs70h219fhh5jj5s5hm1k120fn3pk4qivii4lyhah";
+  src = fetchFromSourcehut {
+    owner = "~julienxx";
+    repo = pname;
+    rev = version;
+    sha256 = "0rwg1w7srjwa23mkypl8zk6674nhph4xsc6nc01f6g5k959szylr";
   };
 
   cargoSha256 = "0yn2kfiaz6d8wc8rdqli2pwffp5vb1v3zi7520ysrd5b6fc2csf2";
diff --git a/pkgs/build-support/fetchsourcehut/default.nix b/pkgs/build-support/fetchsourcehut/default.nix
new file mode 100644
index 000000000000..ed2f074200cd
--- /dev/null
+++ b/pkgs/build-support/fetchsourcehut/default.nix
@@ -0,0 +1,25 @@
+{ fetchzip, lib }:
+
+{ owner
+, repo, rev
+, domain ? "sr.ht"
+, vc ? "git"
+, name ? "source"
+, ... # For hash agility
+} @ args:
+
+with lib;
+
+assert (lib.assertOneOf "vc" vc [ "hg" "git" ]);
+
+let
+  baseUrl = "https://${vc}.${domain}/${owner}/${repo}";
+
+in fetchzip (recursiveUpdate {
+  inherit name;
+  url = "${baseUrl}/archive/${rev}.tar.gz";
+  meta.homepage = "${baseUrl}/";
+  extraPostFetch = optionalString (vc == "hg") ''
+    rm -f "$out/.hg_archival.txt"
+  ''; # impure file; see #12002
+} (removeAttrs args [ "owner" "repo" "rev" "domain" "vc" ])) // { inherit rev; }
diff --git a/pkgs/development/tools/glpaper/default.nix b/pkgs/development/tools/glpaper/default.nix
index 6b7b13437cc6..f6465d53cae0 100644
--- a/pkgs/development/tools/glpaper/default.nix
+++ b/pkgs/development/tools/glpaper/default.nix
@@ -1,12 +1,14 @@
-{ lib, stdenv, fetchhg, meson, ninja, pkg-config, wlroots, wayland, wayland-protocols
+{ lib, stdenv, fetchFromSourcehut, meson, ninja, pkg-config, wlroots, wayland, wayland-protocols
 , libX11, libGL }:
 
-stdenv.mkDerivation {
-  name = "glpaper";
+stdenv.mkDerivation rec {
+  pname = "glpaper";
   version = "unstable-2020-10-11";
 
-  src = fetchhg {
-    url = "https://hg.sr.ht/~scoopta/glpaper";
+  src = fetchFromSourcehut {
+    owner = "~scoopta";
+    repo = pname;
+    vc = "hg";
     rev = "9e7ec7cd270af330039c395345c7d23c04682267";
     sha256 = "sha256-yBHRg6eg+PK/ixuM0MBty3RJY9qcemr3Dt+8SAitqnk=";
   };
diff --git a/pkgs/games/among-sus/default.nix b/pkgs/games/among-sus/default.nix
index 1ec0a42ea18e..454c7d181f95 100644
--- a/pkgs/games/among-sus/default.nix
+++ b/pkgs/games/among-sus/default.nix
@@ -1,11 +1,12 @@
-{ lib, stdenv, fetchgit, port ? "1234" }:
+{ lib, stdenv, fetchFromSourcehut, port ? "1234" }:
 
 stdenv.mkDerivation {
   pname = "among-sus-unstable";
   version = "2020-10-29";
 
-  src = fetchgit {
-    url = "https://git.sr.ht/~martijnbraam/among-sus";
+  src = fetchFromSourcehut {
+    owner = "~martijnbraam";
+    repo = "among-sus";
     rev = "1f4c8d800d025d36ac66826937161be3252fbc57";
     sha256 = "19jq7ygh9l11dl1h6702bg57m04y35nqd6yqx1rgp1kxwhp45xyh";
   };
diff --git a/pkgs/games/eidolon/default.nix b/pkgs/games/eidolon/default.nix
index dcb72d53b328..7112c6bf49c5 100644
--- a/pkgs/games/eidolon/default.nix
+++ b/pkgs/games/eidolon/default.nix
@@ -1,11 +1,12 @@
-{ lib, fetchgit, rustPlatform, pkg-config, openssl }:
+{ lib, fetchFromSourcehut, rustPlatform, pkg-config, openssl }:
 
 rustPlatform.buildRustPackage rec {
   pname = "eidolon";
   version = "1.4.6";
 
-  src = fetchgit {
-    url = "https://git.sr.ht/~nicohman/eidolon";
+  src = fetchFromSourcehut {
+    owner = "~nicohman";
+    repo = pname;
     rev = version;
     sha256 = "1yn3k569pxzw43mmsk97088xpkdc714rks3ncchbb6ccx25kgxrr";
   };
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index da4d58484dbf..69a72c158f08 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -482,6 +482,8 @@ in
 
   fetchFromSavannah = callPackage ../build-support/fetchsavannah {};
 
+  fetchFromSourcehut = callPackage ../build-support/fetchsourcehut { };
+
   fetchFromGitLab = callPackage ../build-support/fetchgitlab {};
 
   fetchFromGitiles = callPackage ../build-support/fetchgitiles {};