diff --git a/default.nix b/default.nix
index c6be253..d199087 100644
--- a/default.nix
+++ b/default.nix
@@ -59,7 +59,7 @@
 }:
 let
   inherit (lib) optionalAttrs optionalString;
-  inherit (import ./fetch-overrides.nix) extraPins extraUrls;
+  inherit (import ./fetch-overrides.nix) extraPins extraUrls forceDeepCloneDomains;
 
   # Step 1: determine which Emacs packages to pull in.
   #
@@ -260,7 +260,10 @@ let
 
             }
             // optionalAttrs (p ? recipe.branch) { ref = p.recipe.branch; }
-            // optionalAttrs (p ? recipe.depth) { shallow = p.recipe.depth == 1; };
+            // optionalAttrs (p ? recipe.depth) { shallow = p.recipe.depth == 1; }
+            // optionalAttrs (lib.any (d: lib.hasPrefix d url) forceDeepCloneDomains) {
+              shallow = false;
+            };
             src =
               if experimentalFetchTree
               then builtins.fetchTree (
@@ -274,6 +277,16 @@ let
                   type = "github";
                   inherit owner repo;
                   rev = pin;
+                } else if lib.hasPrefix "https://git.sr.ht/" url
+                then let
+                  tail = lib.removePrefix "https://git.sr.ht/" url;
+                  split = lib.splitString "/" tail;
+                  owner = lib.head split;
+                  repo = lib.elemAt split 1;
+                in {
+                  type = "sourcehut";
+                  inherit owner repo;
+                  rev = pin;
                 } else ({
                   type = "git";
                 } // fetchGitArgs))
diff --git a/fetch-overrides.nix b/fetch-overrides.nix
index 6da2a83..eb989ef 100644
--- a/fetch-overrides.nix
+++ b/fetch-overrides.nix
@@ -54,4 +54,12 @@
     # CI should fail again the next time Doom updates magit, so this won't go stale.
     git-commit = "ea0f07e54967197ac0b072a69ba314314a4080c1";
   };
+
+  # Domains for which to force `shallow = false`.
+  forceDeepCloneDomains = [
+      "https://git.notmuchmail.org/"
+      "https://git.savannah.gnu.org/"
+      "https://git.sr.ht/"
+      "https://codeberg.org/"
+  ];
 }