uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/test/texlive/default.nix

@@ -0,0 +1,167 @@
+{ lib, runCommand, fetchurl, file, texlive, writeShellScript }:
+
+{
+  chktex = runCommand "texlive-test-chktex" {
+    nativeBuildInputs = [
+      (with texlive; combine { inherit scheme-infraonly chktex; })
+    ];
+    input = builtins.toFile "chktex-sample.tex" ''
+      \documentclass{article}
+      \begin{document}
+        \LaTeX is great
+      \end{document}
+    '';
+  } ''
+    chktex -v -nall -w1 "$input" 2>&1 | tee "$out"
+    grep "One warning printed" "$out"
+  '';
+
+  dvipng = lib.recurseIntoAttrs {
+    # https://github.com/NixOS/nixpkgs/issues/75605
+    basic = runCommand "texlive-test-dvipng-basic" {
+      nativeBuildInputs = [ file texlive.combined.scheme-medium ];
+      input = fetchurl {
+        name = "test_dvipng.tex";
+        url = "http://git.savannah.nongnu.org/cgit/dvipng.git/plain/test_dvipng.tex?id=b872753590a18605260078f56cbd6f28d39dc035";
+        sha256 = "1pjpf1jvwj2pv5crzdgcrzvbmn7kfmgxa39pcvskl4pa0c9hl88n";
+      };
+    } ''
+      cp "$input" ./document.tex
+
+      latex document.tex
+      dvipng -T tight -strict -picky document.dvi
+      for f in document*.png; do
+        file "$f" | tee output
+        grep PNG output
+      done
+
+      mkdir "$out"
+      mv document*.png "$out"/
+    '';
+
+    # test dvipng's limited capability to render postscript specials via GS
+    ghostscript = runCommand "texlive-test-ghostscript" {
+      nativeBuildInputs = [ file (with texlive; combine { inherit scheme-small dvipng; }) ];
+      input = builtins.toFile "postscript-sample.tex" ''
+        \documentclass{minimal}
+        \begin{document}
+          Ni
+          \special{ps:
+            newpath
+            0 0 moveto
+            7 7 rlineto
+            0 7 moveto
+            7 -7 rlineto
+            stroke
+            showpage
+          }
+        \end{document}
+      '';
+      gs_trap = writeShellScript "gs_trap.sh" ''
+        exit 1
+      '';
+    } ''
+      cp "$gs_trap" ./gs
+      export PATH=$PWD:$PATH
+      # check that the trap works
+      gs && exit 1
+
+      cp "$input" ./document.tex
+
+      latex document.tex
+      dvipng -T 1in,1in -strict -picky document.dvi
+      for f in document*.png; do
+        file "$f" | tee output
+        grep PNG output
+      done
+
+      mkdir "$out"
+      mv document*.png "$out"/
+    '';
+  };
+
+  # https://github.com/NixOS/nixpkgs/issues/75070
+  dvisvgm = runCommand "texlive-test-dvisvgm" {
+    nativeBuildInputs = [ file texlive.combined.scheme-medium ];
+    input = builtins.toFile "dvisvgm-sample.tex" ''
+      \documentclass{article}
+      \begin{document}
+        mwe
+      \end{document}
+    '';
+  } ''
+    cp "$input" ./document.tex
+
+    latex document.tex
+    dvisvgm document.dvi -n -o document_dvi.svg
+    cat document_dvi.svg
+    file document_dvi.svg | grep SVG
+
+    pdflatex document.tex
+    dvisvgm -P document.pdf -n -o document_pdf.svg
+    cat document_pdf.svg
+    file document_pdf.svg | grep SVG
+
+    mkdir "$out"
+    mv document*.svg "$out"/
+  '';
+
+  texdoc = runCommand "texlive-test-texdoc" {
+    nativeBuildInputs = [
+      (with texlive; combine {
+        inherit scheme-infraonly luatex texdoc;
+        pkgFilter = pkg: lib.elem pkg.tlType [ "run" "bin" "doc" ];
+      })
+    ];
+  } ''
+    texdoc --version
+
+    texdoc --debug --list texdoc | tee "$out"
+    grep texdoc.pdf "$out"
+  '';
+
+  # test that language files are generated as expected
+  hyphen-base = runCommand "texlive-test-hyphen-base" {
+    hyphenBase = lib.head texlive.hyphen-base.pkgs;
+    schemeFull = texlive.combined.scheme-full;
+    schemeInfraOnly = texlive.combined.scheme-infraonly;
+  } ''
+    mkdir -p "$out"/{scheme-infraonly,scheme-full}
+
+    # create language files with no hyphenation patterns
+    cat "$hyphenBase"/tex/generic/config/language.us >language.dat
+    cat "$hyphenBase"/tex/generic/config/language.us.def >language.def
+    cat "$hyphenBase"/tex/generic/config/language.us.lua >language.dat.lua
+
+    cat >>language.dat.lua <<EOF
+    }
+    EOF
+
+    cat >>language.def <<EOF
+    %%% No changes may be made beyond this point.
+
+    \uselanguage {USenglish}             %%% This MUST be the last line of the file.
+    EOF
+
+    for fname in language.{dat,def,dat.lua} ; do
+      diff --ignore-matching-lines='^\(%\|--\) Generated by ' -u \
+        {"$hyphenBase","$schemeFull"/share/texmf}/tex/generic/config/"$fname" \
+        | tee "$out/scheme-full/$fname.patch"
+      diff --ignore-matching-lines='^\(%\|--\) Generated by ' -u \
+        {,"$schemeInfraOnly"/share/texmf/tex/generic/config/}"$fname" \
+        | tee "$out/scheme-infraonly/$fname.patch"
+    done
+  '';
+
+  # test that fmtutil.cnf is fully regenerated on scheme-full
+  fmtutilCnf = runCommand "texlive-test-fmtutil.cnf" {
+    kpathsea = lib.head texlive.kpathsea.pkgs;
+    schemeFull = texlive.combined.scheme-full;
+  } ''
+    mkdir -p "$out"
+
+    diff --ignore-matching-lines='^# Generated by ' -u \
+      {"$kpathsea","$schemeFull"/share/texmf}/web2c/fmtutil.cnf \
+      | tee "$out/fmtutil.cnf.patch"
+  '';
+}