diff --git a/pkgs/applications/science/math/giac/default.nix b/pkgs/applications/science/math/giac/default.nix
index c7ae890c0738..752b05fe4feb 100644
--- a/pkgs/applications/science/math/giac/default.nix
+++ b/pkgs/applications/science/math/giac/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   patches = [
     (fetchpatch {
       name = "pari_2_11.patch";
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/giac/patches/pari_2_11.patch?id=21ba7540d385a9864b44850d6987893dfa16bfc0";
+      url = "https://raw.githubusercontent.com/sagemath/sage/21ba7540d385a9864b44850d6987893dfa16bfc0/build/pkgs/giac/patches/pari_2_11.patch";
       sha256 = "sha256-vEo/5MNzMdYRPWgLFPsDcMT1W80Qzj4EPBjx/B8j68k=";
     })
 
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     # means some outputs differ in the make check. Patch around this:
     (fetchpatch {
       name = "nofltk-check.patch";
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/giac/patches/nofltk-check.patch?id=7553a3c8dfa7bcec07241a07e6a4e7dcf5bb4f26";
+      url = "https://raw.githubusercontent.com/sagemath/sage/7553a3c8dfa7bcec07241a07e6a4e7dcf5bb4f26/build/pkgs/giac/patches/nofltk-check.patch";
       sha256 = "sha256-nAl5q3ufLjK3X9s0qMlGNowdRRf3EaC24eVtJABzdXY=";
     })
   ];
diff --git a/pkgs/applications/science/math/maxima/default.nix b/pkgs/applications/science/math/maxima/default.nix
index 9d1b5c09b825..c102c645b3bf 100644
--- a/pkgs/applications/science/math/maxima/default.nix
+++ b/pkgs/applications/science/math/maxima/default.nix
@@ -63,20 +63,20 @@ stdenv.mkDerivation rec {
   patches = [
     # fix path to info dir (see https://trac.sagemath.org/ticket/11348)
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/maxima/patches/infodir.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/maxima/patches/infodir.patch";
       sha256 = "09v64n60f7i6frzryrj0zd056lvdpms3ajky4f9p6kankhbiv21x";
     })
 
     # fix https://sourceforge.net/p/maxima/bugs/2596/
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/maxima/patches/matrixexp.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/maxima/patches/matrixexp.patch";
       sha256 = "06961hn66rhjijfvyym21h39wk98sfxhp051da6gz0n9byhwc6zg";
     })
 
     # undo https://sourceforge.net/p/maxima/code/ci/f5e9b0f7eb122c4e48ea9df144dd57221e5ea0ca
     # see https://trac.sagemath.org/ticket/13364#comment:93
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/maxima/patches/undoing_true_false_printing_patch.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/maxima/patches/undoing_true_false_printing_patch.patch";
       sha256 = "0fvi3rcjv6743sqsbgdzazy9jb6r1p1yq63zyj9fx42wd1hgf7yx";
     })
   ];
diff --git a/pkgs/applications/science/math/ratpoints/default.nix b/pkgs/applications/science/math/ratpoints/default.nix
index 44c68ebcdcea..42e6b7d00a5e 100644
--- a/pkgs/applications/science/math/ratpoints/default.nix
+++ b/pkgs/applications/science/math/ratpoints/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   patches = [
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/ratpoints/patches/sturm_and_rp_private.patch?id=1615f58890e8f9881c4228c78a6b39b9aab1303a";
+      url = "https://raw.githubusercontent.com/sagemath/sage/1615f58890e8f9881c4228c78a6b39b9aab1303a/build/pkgs/ratpoints/patches/sturm_and_rp_private.patch";
       sha256 = "0q3wajncyfr3gahd8gwk9x7g56zw54lpywrl63lqk7drkf60mrcl";
     })
   ];
diff --git a/pkgs/data/misc/conway_polynomials/default.nix b/pkgs/data/misc/conway_polynomials/default.nix
index 1f5c4d57f76a..caf470c51152 100644
--- a/pkgs/data/misc/conway_polynomials/default.nix
+++ b/pkgs/data/misc/conway_polynomials/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   # Script that creates the "database" (nested python array) and pickles it
   spkg-install = fetchurl {
-    url = "https://git.sagemath.org/sage.git/plain/build/pkgs/conway_polynomials/spkg-install.py?id=9.2";
+    url = "https://raw.githubusercontent.com/sagemath/sage/9.2/build/pkgs/conway_polynomials/spkg-install.py";
     sha256 = "1bwnqasnyv793hxg29viing4dnliz29grkhldsirq19d509yk1fs";
   };
 
diff --git a/pkgs/data/misc/elliptic_curves/default.nix b/pkgs/data/misc/elliptic_curves/default.nix
index 610977b882f7..55c03afbc4c2 100644
--- a/pkgs/data/misc/elliptic_curves/default.nix
+++ b/pkgs/data/misc/elliptic_curves/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   # Script that creates the sqlite database from the allcurves textfile
   spkg-install = fetchurl {
-    url = "https://git.sagemath.org/sage.git/plain/build/pkgs/${pname}/spkg-install.py?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+    url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/${pname}/spkg-install.py";
     sha256 = "116g684i6mvs11fvb6fzfsr4fn903axn31vigdyb8bgpf8l4hvc5";
   };
 
diff --git a/pkgs/development/compilers/ecl/16.1.2.nix b/pkgs/development/compilers/ecl/16.1.2.nix
index f2b964370ab0..75055130ada2 100644
--- a/pkgs/development/compilers/ecl/16.1.2.nix
+++ b/pkgs/development/compilers/ecl/16.1.2.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
       # Rebased version of
       # https://gitlab.com/embeddable-common-lisp/ecl/commit/ac5f011f57a85a38627af154bc3ee7580e7fecd4.patch
       name = "getcwd.patch";
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/ecl/patches/16.1.2-getcwd.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/ecl/patches/16.1.2-getcwd.patch";
       sha256 = "1fbi8gn7rv8nqff5mpaijsrch3k3z7qc5cn4h1vl8qrr8xwqlqhb";
     })
     ./ecl-1.16.2-libffi-3.3-abi.patch
diff --git a/pkgs/development/compilers/ecl/default.nix b/pkgs/development/compilers/ecl/default.nix
index 3a7836bbcdd1..bba1b3026362 100644
--- a/pkgs/development/compilers/ecl/default.nix
+++ b/pkgs/development/compilers/ecl/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   patches = [
     # https://gitlab.com/embeddable-common-lisp/ecl/-/merge_requests/1
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/ecl/patches/write_error.patch?h=9.2";
+      url = "https://raw.githubusercontent.com/sagemath/sage/9.2/build/pkgs/ecl/patches/write_error.patch";
       sha256 = "0hfxacpgn4919hg0mn4wf4m8r7y592r4gw7aqfnva7sckxi6w089";
     })
   ];
diff --git a/pkgs/development/libraries/glpk/default.nix b/pkgs/development/libraries/glpk/default.nix
index e8b01d6d2e7d..a78170909caa 100644
--- a/pkgs/development/libraries/glpk/default.nix
+++ b/pkgs/development/libraries/glpk/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     # https://trac.sagemath.org/ticket/20710#comment:18
     (fetchpatch {
       name = "error_recovery.patch";
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/glpk/patches/error_recovery.patch?id=d3c1f607e32f964bf0cab877a63767c86fd00266";
+      url = "https://raw.githubusercontent.com/sagemath/sage/d3c1f607e32f964bf0cab877a63767c86fd00266/build/pkgs/glpk/patches/error_recovery.patch";
       sha256 = "sha256-2hNtUEoGTFt3JgUvLH3tPWnz+DZcXNhjXzS+/V89toA=";
     })
   ];
diff --git a/pkgs/development/libraries/ppl/default.nix b/pkgs/development/libraries/ppl/default.nix
index a94cf9e38d0e..c9b456ba831e 100644
--- a/pkgs/development/libraries/ppl/default.nix
+++ b/pkgs/development/libraries/ppl/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   patches = [(fetchpatch {
     name = "clang5-support.patch";
-    url = "https://git.sagemath.org/sage.git/plain/build/pkgs/ppl/patches/clang5-support.patch?h=9.2";
+    url = "https://raw.githubusercontent.com/sagemath/sage/9.2/build/pkgs/ppl/patches/clang5-support.patch";
     sha256 = "1zj90hm25pkgvk4jlkfzh18ak9b98217gbidl3731fdccbw6hr87";
   })];
 
diff --git a/pkgs/development/libraries/science/math/rubiks/default.nix b/pkgs/development/libraries/science/math/rubiks/default.nix
index b4b670884989..505457edd64f 100644
--- a/pkgs/development/libraries/science/math/rubiks/default.nix
+++ b/pkgs/development/libraries/science/math/rubiks/default.nix
@@ -28,19 +28,19 @@ stdenv.mkDerivation rec {
     # Fix makefiles which use all the variables in all the wrong ways and
     # hardcode values for some variables.
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/rubiks/patches/dietz-cu2-Makefile.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/rubiks/patches/dietz-cu2-Makefile.patch";
       sha256 = "1ry3w1mk9q4jqd91zlaa1bdiiplld4hpfjaldbhlmzlgrrc99qmq";
     })
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/rubiks/patches/dietz-mcube-Makefile.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/rubiks/patches/dietz-mcube-Makefile.patch";
       sha256 = "0zsbh6k3kqdg82fv0kzghr1x7pafisv943gmssqscp107bhg77bz";
     })
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/rubiks/patches/dietz-solver-Makefile.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/rubiks/patches/dietz-solver-Makefile.patch";
       sha256 = "0vhw70ylnmydgjhwx8jjlb2slccj4pfqn6vzirkyz1wp8apsmfhp";
     })
     (fetchpatch {
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/rubiks/patches/reid-Makefile.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      url = "https://raw.githubusercontent.com/sagemath/sage/07d6c37d18811e2b377a9689790a7c5e24da16ba/build/pkgs/rubiks/patches/reid-Makefile.patch";
       sha256 = "1r311sn012xs135s0d21qwsig2kld7rdcq19nm0zbnklviid57df";
     })
   ];
diff --git a/pkgs/development/python-modules/cypari2/default.nix b/pkgs/development/python-modules/cypari2/default.nix
index 70cd89afdcad..4cdd8f31a5fd 100644
--- a/pkgs/development/python-modules/cypari2/default.nix
+++ b/pkgs/development/python-modules/cypari2/default.nix
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     # (https://trac.sagemath.org/ticket/27267). depends on Cython patch.
     (fetchpatch {
       name = "use-trashcan-for-gen.patch";
-      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/cypari/patches/trashcan.patch?id=b6ea17ef8e4d652de0a85047bac8d41e90b25555";
+      url = "https://raw.githubusercontent.com/sagemath/sage/b6ea17ef8e4d652de0a85047bac8d41e90b25555/build/pkgs/cypari/patches/trashcan.patch";
       hash = "sha256-w4kktWb9/aR9z4CjrUvAMOxEwRN2WkubaKzQttN8rU8=";
     })
   ];