ocamlPackages.*: use spaces for indentation

34 files changed, 437 insertions, 438 deletions

diff --git a/pkgs/development/ocaml-modules/bos/default.nix b/pkgs/development/ocaml-modules/bos/default.nix
index 84cee3d97cea..62438526d703 100644
--- a/pkgs/development/ocaml-modules/bos/default.nix
+++ b/pkgs/development/ocaml-modules/bos/default.nix
@@ -3,24 +3,24 @@
 }:
 
 stdenv.mkDerivation rec {
-	name = "ocaml${ocaml.version}-bos-${version}";
-	version = "0.2.0";
-	src = fetchurl {
-		url = "https://erratique.ch/software/bos/releases/bos-${version}.tbz";
-		sha256 = "1s10iqx8rgnxr5n93lf4blwirjf8nlm272yg5sipr7lsr35v49wc";
-	};
+  name = "ocaml${ocaml.version}-bos-${version}";
+  version = "0.2.0";
+  src = fetchurl {
+    url = "https://erratique.ch/software/bos/releases/bos-${version}.tbz";
+    sha256 = "1s10iqx8rgnxr5n93lf4blwirjf8nlm272yg5sipr7lsr35v49wc";
+  };
 
-	nativeBuildInputs = [ ocaml findlib ocamlbuild ];
-	buildInputs = [ findlib topkg ];
-	propagatedBuildInputs = [ astring fmt fpath logs rresult ];
+  nativeBuildInputs = [ ocaml findlib ocamlbuild ];
+  buildInputs = [ findlib topkg ];
+  propagatedBuildInputs = [ astring fmt fpath logs rresult ];
 
-	inherit (topkg) buildPhase installPhase;
+  inherit (topkg) buildPhase installPhase;
 
-	meta = {
-		description = "Basic OS interaction for OCaml";
-		homepage = "https://erratique.ch/software/bos";
-		license = lib.licenses.isc;
-		maintainers = [ lib.maintainers.vbgl ];
-		inherit (ocaml.meta) platforms;
-	};
+  meta = {
+    description = "Basic OS interaction for OCaml";
+    homepage = "https://erratique.ch/software/bos";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+    inherit (ocaml.meta) platforms;
+  };
 }
diff --git a/pkgs/development/ocaml-modules/camomile/default.nix b/pkgs/development/ocaml-modules/camomile/default.nix
index 2b246d0f3eaf..6bae728cafac 100644
--- a/pkgs/development/ocaml-modules/camomile/default.nix
+++ b/pkgs/development/ocaml-modules/camomile/default.nix
@@ -2,23 +2,23 @@
 
 buildDunePackage rec {
   pname = "camomile";
-	version = "1.0.2";
+  version = "1.0.2";
 
-	src = fetchFromGitHub {
-		owner = "yoriyuki";
-		repo = pname;
-		rev = version;
-		sha256 = "00i910qjv6bpk0nkafp5fg97isqas0bwjf7m6rz11rsxilpalzad";
-	};
+  src = fetchFromGitHub {
+    owner = "yoriyuki";
+    repo = pname;
+    rev = version;
+    sha256 = "00i910qjv6bpk0nkafp5fg97isqas0bwjf7m6rz11rsxilpalzad";
+  };
 
-	buildInputs = [ cppo ];
+  buildInputs = [ cppo ];
 
-	configurePhase = "ocaml configure.ml --share $out/share/camomile";
+  configurePhase = "ocaml configure.ml --share $out/share/camomile";
 
-	meta = {
-		inherit (src.meta) homepage;
-		maintainers = [ lib.maintainers.vbgl ];
-		license = lib.licenses.lgpl21;
-		description = "A Unicode library for OCaml";
-	};
+  meta = {
+    inherit (src.meta) homepage;
+    maintainers = [ lib.maintainers.vbgl ];
+    license = lib.licenses.lgpl21;
+    description = "A Unicode library for OCaml";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/cohttp/async.nix b/pkgs/development/ocaml-modules/cohttp/async.nix
index 974c3aa2f9c3..21e22533f1b2 100644
--- a/pkgs/development/ocaml-modules/cohttp/async.nix
+++ b/pkgs/development/ocaml-modules/cohttp/async.nix
@@ -2,21 +2,21 @@
 , logs, magic-mime }:
 
 if !lib.versionAtLeast cohttp.version "0.99" then
-	cohttp
+  cohttp
 else if !lib.versionAtLeast async.version "0.13" then
-	throw "cohttp-async needs async-0.13 (hence OCaml >= 4.08)"
+  throw "cohttp-async needs async-0.13 (hence OCaml >= 4.08)"
 else
 
-	buildDunePackage {
-		pname = "cohttp-async";
-		useDune2 = true;
-		inherit (cohttp) version src;
+  buildDunePackage {
+    pname = "cohttp-async";
+    useDune2 = true;
+    inherit (cohttp) version src;
 
-		buildInputs = [ ppx_sexp_conv ];
+    buildInputs = [ ppx_sexp_conv ];
 
-		propagatedBuildInputs = [ async cohttp conduit-async logs magic-mime uri ];
+    propagatedBuildInputs = [ async cohttp conduit-async logs magic-mime uri ];
 
-		meta = cohttp.meta // {
-			description = "CoHTTP implementation for the Async concurrency library";
-		};
-	}
+    meta = cohttp.meta // {
+      description = "CoHTTP implementation for the Async concurrency library";
+    };
+  }
diff --git a/pkgs/development/ocaml-modules/cohttp/default.nix b/pkgs/development/ocaml-modules/cohttp/default.nix
index 3fed7c55d452..e664d17f215e 100644
--- a/pkgs/development/ocaml-modules/cohttp/default.nix
+++ b/pkgs/development/ocaml-modules/cohttp/default.nix
@@ -4,26 +4,26 @@
 }:
 
 buildDunePackage rec {
-	pname = "cohttp";
-	version = "2.5.4";
+  pname = "cohttp";
+  version = "2.5.4";
 
-	useDune2 = true;
+  useDune2 = true;
 
-	minimumOCamlVersion = "4.04.1";
+  minimumOCamlVersion = "4.04.1";
 
-	src = fetchurl {
-		url = "https://github.com/mirage/ocaml-cohttp/releases/download/v${version}/cohttp-v${version}.tbz";
-		sha256 = "1q04spmki5zis5p5m1vs77i3k7ijm134j62g61071vblwx25z17a";
-	};
+  src = fetchurl {
+    url = "https://github.com/mirage/ocaml-cohttp/releases/download/v${version}/cohttp-v${version}.tbz";
+    sha256 = "1q04spmki5zis5p5m1vs77i3k7ijm134j62g61071vblwx25z17a";
+  };
 
-	buildInputs = [ jsonm ppx_fields_conv ppx_sexp_conv ];
+  buildInputs = [ jsonm ppx_fields_conv ppx_sexp_conv ];
 
-	propagatedBuildInputs = [ base64 fieldslib re stringext uri-sexp stdlib-shims ];
+  propagatedBuildInputs = [ base64 fieldslib re stringext uri-sexp stdlib-shims ];
 
-	meta = {
-		description = "HTTP(S) library for Lwt, Async and Mirage";
-		license = lib.licenses.isc;
-		maintainers = [ lib.maintainers.vbgl ];
-		homepage = "https://github.com/mirage/ocaml-cohttp";
-	};
+  meta = {
+    description = "HTTP(S) library for Lwt, Async and Mirage";
+    license = lib.licenses.isc;
+    maintainers = [ lib.maintainers.vbgl ];
+    homepage = "https://github.com/mirage/ocaml-cohttp";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/cohttp/lwt-unix.nix b/pkgs/development/ocaml-modules/cohttp/lwt-unix.nix
index 455a76ce94dd..845df2a3f542 100644
--- a/pkgs/development/ocaml-modules/cohttp/lwt-unix.nix
+++ b/pkgs/development/ocaml-modules/cohttp/lwt-unix.nix
@@ -8,12 +8,12 @@ then cohttp-lwt
 else
 
 buildDunePackage {
-	pname = "cohttp-lwt-unix";
-	inherit (cohttp-lwt) version src meta;
+  pname = "cohttp-lwt-unix";
+  inherit (cohttp-lwt) version src meta;
 
-	useDune2 = true;
+  useDune2 = true;
 
-	buildInputs = [ cmdliner ppx_sexp_conv ];
+  buildInputs = [ cmdliner ppx_sexp_conv ];
 
-	propagatedBuildInputs = [ cohttp-lwt conduit-lwt-unix fmt magic-mime ];
+  propagatedBuildInputs = [ cohttp-lwt conduit-lwt-unix fmt magic-mime ];
 }
diff --git a/pkgs/development/ocaml-modules/cohttp/lwt.nix b/pkgs/development/ocaml-modules/cohttp/lwt.nix
index 04f81e8e8df4..36831d946132 100644
--- a/pkgs/development/ocaml-modules/cohttp/lwt.nix
+++ b/pkgs/development/ocaml-modules/cohttp/lwt.nix
@@ -7,10 +7,10 @@ then throw "cohttp-lwt is not available for ppx_sexp_conv version ${ppx_sexp_con
 else
 
 buildDunePackage {
-	pname = "cohttp-lwt";
-	inherit (cohttp) version src useDune2 meta;
+  pname = "cohttp-lwt";
+  inherit (cohttp) version src useDune2 meta;
 
-	buildInputs = [ uri ppx_sexp_conv ];
+  buildInputs = [ uri ppx_sexp_conv ];
 
-	propagatedBuildInputs = [ cohttp ocaml_lwt logs ];
+  propagatedBuildInputs = [ cohttp ocaml_lwt logs ];
 }
diff --git a/pkgs/development/ocaml-modules/conduit/async.nix b/pkgs/development/ocaml-modules/conduit/async.nix
index e289b5d711d5..c15ad0520fb2 100644
--- a/pkgs/development/ocaml-modules/conduit/async.nix
+++ b/pkgs/development/ocaml-modules/conduit/async.nix
@@ -5,15 +5,15 @@ then conduit
 else
 
 buildDunePackage {
-	pname = "conduit-async";
-	useDune2 = true;
-	inherit (conduit) version src;
+  pname = "conduit-async";
+  useDune2 = true;
+  inherit (conduit) version src;
 
-	buildInputs = [ ppx_sexp_conv ];
+  buildInputs = [ ppx_sexp_conv ];
 
-	propagatedBuildInputs = [ async async_ssl conduit ];
+  propagatedBuildInputs = [ async async_ssl conduit ];
 
-	meta = conduit.meta // {
-		description = "A network connection establishment library for Async";
-	};
+  meta = conduit.meta // {
+    description = "A network connection establishment library for Async";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/conduit/lwt-unix.nix b/pkgs/development/ocaml-modules/conduit/lwt-unix.nix
index 9f871a8ea9cd..ab6449b50a17 100644
--- a/pkgs/development/ocaml-modules/conduit/lwt-unix.nix
+++ b/pkgs/development/ocaml-modules/conduit/lwt-unix.nix
@@ -4,17 +4,17 @@
 }:
 
 buildDunePackage {
-	pname = "conduit-lwt-unix";
-	inherit (conduit-lwt) version src minimumOCamlVersion;
+  pname = "conduit-lwt-unix";
+  inherit (conduit-lwt) version src minimumOCamlVersion;
 
-	useDune2 = true;
+  useDune2 = true;
 
-	buildInputs = [ ppx_sexp_conv ];
+  buildInputs = [ ppx_sexp_conv ];
 
-	propagatedBuildInputs =
-		[ conduit-lwt ocaml_lwt uri ipaddr ipaddr-sexp tls lwt_ssl ];
+  propagatedBuildInputs =
+    [ conduit-lwt ocaml_lwt uri ipaddr ipaddr-sexp tls lwt_ssl ];
 
-	meta = conduit-lwt.meta // {
-		description = "A network connection establishment library for Lwt_unix";
-	};
+  meta = conduit-lwt.meta // {
+    description = "A network connection establishment library for Lwt_unix";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/conduit/lwt.nix b/pkgs/development/ocaml-modules/conduit/lwt.nix
index 512aa60bb66d..2f18027a67b0 100644
--- a/pkgs/development/ocaml-modules/conduit/lwt.nix
+++ b/pkgs/development/ocaml-modules/conduit/lwt.nix
@@ -1,14 +1,14 @@
 { buildDunePackage, ppx_sexp_conv, conduit, ocaml_lwt, sexplib }:
 
 buildDunePackage {
-	pname = "conduit-lwt";
-	inherit (conduit) version src useDune2 minimumOCamlVersion;
+  pname = "conduit-lwt";
+  inherit (conduit) version src useDune2 minimumOCamlVersion;
 
-	buildInputs = [ ppx_sexp_conv ];
+  buildInputs = [ ppx_sexp_conv ];
 
-	propagatedBuildInputs = [ conduit ocaml_lwt sexplib ];
+  propagatedBuildInputs = [ conduit ocaml_lwt sexplib ];
 
-	meta = conduit.meta // {
-		description = "A network connection establishment library for Lwt";
-	};
+  meta = conduit.meta // {
+    description = "A network connection establishment library for Lwt";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/cstruct/lwt.nix b/pkgs/development/ocaml-modules/cstruct/lwt.nix
index f340bfcda25e..113df1e89b5c 100644
--- a/pkgs/development/ocaml-modules/cstruct/lwt.nix
+++ b/pkgs/development/ocaml-modules/cstruct/lwt.nix
@@ -5,10 +5,10 @@ then cstruct
 else
 
 buildDunePackage {
-	pname = "cstruct-lwt";
-	inherit (cstruct) version src useDune2 meta;
+  pname = "cstruct-lwt";
+  inherit (cstruct) version src useDune2 meta;
 
   minimumOCamlVersion = "4.02";
 
-	propagatedBuildInputs = [ cstruct lwt ];
+  propagatedBuildInputs = [ cstruct lwt ];
 }
diff --git a/pkgs/development/ocaml-modules/cstruct/ppx.nix b/pkgs/development/ocaml-modules/cstruct/ppx.nix
index feb8feac6b68..44343812090d 100644
--- a/pkgs/development/ocaml-modules/cstruct/ppx.nix
+++ b/pkgs/development/ocaml-modules/cstruct/ppx.nix
@@ -5,10 +5,10 @@ then cstruct
 else
 
 buildDunePackage {
-	pname = "ppx_cstruct";
-	inherit (cstruct) version src useDune2 meta;
+  pname = "ppx_cstruct";
+  inherit (cstruct) version src useDune2 meta;
 
-	minimumOCamlVersion = "4.03";
+  minimumOCamlVersion = "4.03";
 
-	propagatedBuildInputs = [ cstruct ppx_tools_versioned ppxlib sexplib ];
+  propagatedBuildInputs = [ cstruct ppx_tools_versioned ppxlib sexplib ];
 }
diff --git a/pkgs/development/ocaml-modules/cstruct/sexp.nix b/pkgs/development/ocaml-modules/cstruct/sexp.nix
index 04bb10d6f75e..742cb6522ebf 100644
--- a/pkgs/development/ocaml-modules/cstruct/sexp.nix
+++ b/pkgs/development/ocaml-modules/cstruct/sexp.nix
@@ -5,12 +5,11 @@ then cstruct
 else
 
 buildDunePackage rec {
-	pname = "cstruct-sexp";
-	inherit (cstruct) version src useDune2 meta;
+  pname = "cstruct-sexp";
+  inherit (cstruct) version src useDune2 meta;
 
-	doCheck = lib.versionAtLeast ocaml.version "4.03";
-	checkInputs = lib.optional doCheck alcotest;
+  doCheck = lib.versionAtLeast ocaml.version "4.03";
+  checkInputs = lib.optional doCheck alcotest;
 
-	propagatedBuildInputs = [ cstruct sexplib ];
+  propagatedBuildInputs = [ cstruct sexplib ];
 }
-
diff --git a/pkgs/development/ocaml-modules/cstruct/unix.nix b/pkgs/development/ocaml-modules/cstruct/unix.nix
index b7e0df0185c1..1ea27bb04de4 100644
--- a/pkgs/development/ocaml-modules/cstruct/unix.nix
+++ b/pkgs/development/ocaml-modules/cstruct/unix.nix
@@ -5,10 +5,10 @@ then cstruct
 else
 
 buildDunePackage {
-	pname = "cstruct-unix";
-	inherit (cstruct) version src useDune2 meta;
+  pname = "cstruct-unix";
+  inherit (cstruct) version src useDune2 meta;
 
-	minimumOCamlVersion = "4.06";
+  minimumOCamlVersion = "4.06";
 
-	propagatedBuildInputs = [ cstruct ];
+  propagatedBuildInputs = [ cstruct ];
 }
diff --git a/pkgs/development/ocaml-modules/csv/default.nix b/pkgs/development/ocaml-modules/csv/default.nix
index 8cf2918989e0..595624531759 100644
--- a/pkgs/development/ocaml-modules/csv/default.nix
+++ b/pkgs/development/ocaml-modules/csv/default.nix
@@ -2,19 +2,19 @@
 
 buildDunePackage rec {
   pname = "csv";
-	version = "2.4";
+  version = "2.4";
 
-	useDune2 = true;
+  useDune2 = true;
 
-	src = fetchurl {
-		url = "https://github.com/Chris00/ocaml-${pname}/releases/download/${version}/csv-${version}.tbz";
-		sha256 = "13m9n8mdss6jfbiw7d5bybxn4n85vmg4zw7dc968qrgjfy0w9zhk";
-	};
+  src = fetchurl {
+    url = "https://github.com/Chris00/ocaml-${pname}/releases/download/${version}/csv-${version}.tbz";
+    sha256 = "13m9n8mdss6jfbiw7d5bybxn4n85vmg4zw7dc968qrgjfy0w9zhk";
+  };
 
-	meta = {
-		description = "A pure OCaml library to read and write CSV files";
-		license = lib.licenses.lgpl21;
-		maintainers = [ lib.maintainers.vbgl ];
-		homepage = "https://github.com/Chris00/ocaml-csv";
-	};
+  meta = {
+    description = "A pure OCaml library to read and write CSV files";
+    license = lib.licenses.lgpl21;
+    maintainers = [ lib.maintainers.vbgl ];
+    homepage = "https://github.com/Chris00/ocaml-csv";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/decompress/default.nix b/pkgs/development/ocaml-modules/decompress/default.nix
index a3bf3456ed0d..067fac33d455 100644
--- a/pkgs/development/ocaml-modules/decompress/default.nix
+++ b/pkgs/development/ocaml-modules/decompress/default.nix
@@ -4,25 +4,25 @@
 }:
 
 buildDunePackage rec {
-	version = "0.9.0";
-	pname = "decompress";
+  version = "0.9.0";
+  pname = "decompress";
 
-	useDune2 = true;
+  useDune2 = true;
 
-	src = fetchurl {
-		url = "https://github.com/mirage/decompress/releases/download/v${version}/decompress-v${version}.tbz";
-		sha256 = "0fryhcvv96vfca51c7kqdn3n3canqsbbvfbi75ya6lca4lmpipbh";
-	};
+  src = fetchurl {
+    url = "https://github.com/mirage/decompress/releases/download/v${version}/decompress-v${version}.tbz";
+    sha256 = "0fryhcvv96vfca51c7kqdn3n3canqsbbvfbi75ya6lca4lmpipbh";
+  };
 
-	buildInputs = [ cmdliner ];
-	propagatedBuildInputs = [ checkseum ];
-	checkInputs = lib.optionals doCheck [ alcotest bos camlzip mmap re ];
-	doCheck = true;
+  buildInputs = [ cmdliner ];
+  propagatedBuildInputs = [ checkseum ];
+  checkInputs = lib.optionals doCheck [ alcotest bos camlzip mmap re ];
+  doCheck = true;
 
-	meta = {
-		description = "Pure OCaml implementation of Zlib";
-		license = lib.licenses.mit;
-		maintainers = [ lib.maintainers.vbgl ];
-		homepage = "https://github.com/mirage/decompress";
-	};
+  meta = {
+    description = "Pure OCaml implementation of Zlib";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+    homepage = "https://github.com/mirage/decompress";
+  };
 }
diff --git a/pkgs/development/ocaml-modules/dolmen/default.nix b/pkgs/development/ocaml-modules/dolmen/default.nix
index d4a47abcafa4..a1a73bfe2188 100644
--- a/pkgs/development/ocaml-modules/dolmen/default.nix
+++ b/pkgs/development/ocaml-modules/dolmen/default.nix
@@ -1,27 +1,27 @@
 { stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild, menhir }:
 
 stdenv.mkDerivation rec {
-	name = "ocaml${ocaml.version}-dolmen-${version}";
-	version = "0.2";
-	src = fetchFromGitHub {
-		owner = "Gbury";
-		repo = "dolmen";
-		rev = "v${version}";
-		sha256 = "1b9mf8p6mic0n76acx8x82hhgm2n40sdv0jri95im65l52223saf";
-	};
+  name = "ocaml${ocaml.version}-dolmen-${version}";
+  version = "0.2";
+  src = fetchFromGitHub {
+    owner = "Gbury";
+    repo = "dolmen";
+    rev = "v${version}";
+    sha256 = "1b9mf8p6mic0n76acx8x82hhgm2n40sdv0jri95im65l52223saf";
+  };
 
-	buildInputs = [ ocaml findlib ocamlbuild ];
-	propagatedBuildInputs = [ menhir ];
+  buildInputs = [ ocaml findlib ocamlbuild ];
+  propagatedBuildInputs = [ menhir ];
 
-	makeFlags = [ "-C" "src" ];
+  makeFlags = [ "-C" "src" ];
 
-	createFindlibDestdir = true;
+  createFindlibDestdir = true;
 
-	meta = {
-		description = "An OCaml library providing clean and flexible parsers for input languages";
-		license = lib.licenses.bsd2;
-		maintainers = [ lib.maintainers.vbgl ];
-		inherit (src.meta) homepage;
-		inherit (ocaml.meta) platforms;
-	};
+  meta = {
+    description = "An OCaml library providing clean and flexible parsers for input languages";
+    license = lib.licenses.bsd2;
+    maintainers = [ lib.maintainers.vbgl ];
+    inherit (src.meta) homepage;
+    inherit (ocaml.meta) platforms;
+  };
 }
diff --git a/pkgs/development/ocaml-modules/expat/default.nix b/pkgs/development/ocaml-modules/expat/default.nix
index 9675fa881510..1812473e78bf 100644
--- a/pkgs/development/ocaml-modules/expat/default.nix
+++ b/pkgs/development/ocaml-modules/expat/default.nix
@@ -1,32 +1,32 @@
 { stdenv, lib, fetchFromGitHub, expat, ocaml, findlib, ounit }:
 
 stdenv.mkDerivation rec {
-	name = "ocaml${ocaml.version}-expat-${version}";
-	version = "1.1.0";
+  name = "ocaml${ocaml.version}-expat-${version}";
+  version = "1.1.0";
 
-	src = fetchFromGitHub {
-		owner = "whitequark";
-		repo = "ocaml-expat";
-		rev = "v${version}";
-		sha256 = "07wm9663z744ya6z2lhiz5hbmc76kkipg04j9vw9dqpd1y1f2x3q";
-	};
+  src = fetchFromGitHub {
+    owner = "whitequark";
+    repo = "ocaml-expat";
+    rev = "v${version}";
+    sha256 = "07wm9663z744ya6z2lhiz5hbmc76kkipg04j9vw9dqpd1y1f2x3q";
+  };
 
-	prePatch = ''
-		substituteInPlace Makefile --replace "gcc" "\$(CC)"
-	'';
+  prePatch = ''
+    substituteInPlace Makefile --replace "gcc" "\$(CC)"
+  '';
 
-	buildInputs = [ ocaml findlib expat ounit ];
+  buildInputs = [ ocaml findlib expat ounit ];
 
-	doCheck = !lib.versionAtLeast ocaml.version "4.06";
-	checkTarget = "testall";
+  doCheck = !lib.versionAtLeast ocaml.version "4.06";
+  checkTarget = "testall";
 
-	createFindlibDestdir = true;
+  createFindlibDestdir = true;
 
-	meta = {
-		description = "OCaml wrapper for the Expat XML parsing library";
-		license = lib.licenses.mit;
-		maintainers = [ lib.maintainers.vbgl ];
-		inherit (src.meta) homepage;
-		inherit (ocaml.meta) platforms;
-	};
+  meta = {
+    description = "OCaml wrapper for the Expat XML parsing library";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.vbgl ];
+    inherit (src.meta) homepage;
+    inherit (ocaml.meta) platforms;
+  };
 }
diff --git a/pkgs/development/ocaml-modules/git-http/default.nix b/pkgs/development/ocaml-modules/git-http/default.nix
index 3b127c650063..54bd5c2da233 100644
--- a/pkgs/development/ocaml-modules/git-http/default.nix
+++ b/pkgs/development/ocaml-modules/git-http/default.nix
@@ -1,15 +1,15 @@
 { buildDunePackage, git, cohttp, cohttp-lwt }:
 
 buildDunePackage {
-	pname = "git-http";
-	inherit (git) version src minimumOCamlVersion;
+  pname = "git-http";
+  inherit (git) version src minimumOCamlVersion;
 
-	useDune2 = true;
+  useDune2 = true;
 
-	propagatedBuildInputs = [ git cohttp cohttp-lwt ];
+  propagatedBuildInputs = [ git cohttp cohttp-lwt ];
 
-	meta = {
-		description = "Client implementation of the “Smart” HTTP Git protocol in pure OCaml";
-		inherit (git.meta) homepage license maintainers;
-	};
+  meta = {
+    description = "Client implementation of the “Smart” HTTP Git protocol in pure OCaml";
+    inherit (git.meta) homepage license maintainers;
+  };
 }
diff --git a/pkgs/development/ocaml-modules/git-unix/default.nix b/pkgs/development/ocaml-modules/git-unix/default.nix
index 0633b8af8f05..6ee6ef21c15e 100644
--- a/pkgs/development/ocaml-modules/git-unix/default.nix
+++ b/pkgs/development/ocaml-modules/git-unix/default.nix
@@ -4,17 +4,17 @@
 }:
 
 buildDunePackage {
-	pname = "git-unix";
-	inherit (git-http) version src minimumOCamlVersion;
+  pname = "git-unix";
+  inherit (git-http) version src minimumOCamlVersion;
 
-	useDune2 = true;
+  useDune2 = true;
 
-	propagatedBuildInputs = [ mmap cmdliner git-http cohttp cohttp-lwt-unix mtime ];
-	checkInputs = [ alcotest mirage-crypto-rng tls io-page git-binary ];
-	doCheck = !stdenv.isAarch64;
+  propagatedBuildInputs = [ mmap cmdliner git-http cohttp cohttp-lwt-unix mtime ];
+  checkInputs = [ alcotest mirage-crypto-rng tls io-page git-binary ];
+  doCheck = !stdenv.isAarch64;
 
-	meta = {
-		description = "Unix backend for the Git protocol(s)";
-		inherit (git-http.meta) homepage license maintainers;
-	};
+  meta = {
+    description = "Unix backend for the Git protocol(s)";
+    inherit (git-http.meta) homepage license maintainers;
+  };
 }
diff --git a/pkgs/development/ocaml-modules/git/default.nix b/pkgs/development/ocaml-modules/git/default.nix
index ba2372090d8c..f5cb452f1a91 100644
--- a/pkgs/development/ocaml-modules/git/default.nix
+++ b/pkgs/development/ocaml-modules/git/default.nix
@@ -6,28 +6,28 @@
 }:
 
 buildDunePackage rec {
-	pname = "git";
-	version = "2.1.3";
+  pname = "git";
+  version = "2.1.3";
 
-	minimumOCamlVersion = "4.07";
-	useDune2 = true;
+  minimumOCamlVersion = "4.07";
+  useDune2 = true;
 
-	src = fetchurl {
-		url = "https://github.com/mirage/ocaml-git/releases/download/${version}/git-${version}.tbz";
-		sha256 = "1ppllv65vrkfrmx46aiq5879isffcjmg92z9rv2kh92a83h4lqax";
-	};
+  src = fetchurl {
+    url = "https://github.com/mirage/ocaml-git/releases/download/${version}/git-${version}.tbz";
+    sha256 = "1ppllv65vrkfrmx46aiq5879isffcjmg92z9rv2kh92a83h4lqax";
+  };
 
-	propagatedBuildInputs = [
-		angstrom astring checkseum cstruct decompress digestif encore duff fmt fpath
-		hex ke logs lru ocaml_lwt ocamlgraph ocplib-endian uri rresult stdlib-shims
-	];
-	checkInputs = [ alcotest mtime mirage-crypto-rng tls git-binary ];
-	doCheck = !stdenv.isAarch64;
+  propagatedBuildInputs = [
+    angstro