args: with args; with stringsWithDeps; with lib; let inherit (builtins) head tail trace; in (rec { inherit writeScript; src = attrByPath ["src"] "" args; addSbinPath = attrByPath ["addSbinPath"] false args; forceShare = if args ? forceShare then args.forceShare else ["man" "doc" "info"]; forceCopy = ["COPYING" "LICENSE" "DISTRIBUTION" "LEGAL" "README" "AUTHORS" "ChangeLog" "CHANGES" "LICENCE" "COPYRIGHT"] ++ (optional (attrByPath ["forceCopyDoc"] true args) "doc"); hasSuffixHack = a: b: hasSuffix (a+(substring 0 0 b)) ((substring 0 0 a)+b); archiveType = s: (if hasSuffixHack ".tar" s then "tar" else if (hasSuffixHack ".tar.gz" s) || (hasSuffixHack ".tgz" s) then "tgz" else if (hasSuffixHack ".tar.bz2" s) || (hasSuffixHack ".tbz2" s) || (hasSuffixHack ".tbz" s) then "tbz2" else if hasSuffixHack ".tar.Z" s then "tZ" else if hasSuffixHack ".tar.lzma" s then "tar.lzma" else if hasSuffixHack ".tar.xz" s then "tar.xz" else if (hasSuffixHack ".zip" s) || (hasSuffixHack ".ZIP" s) then "zip" else if hasSuffixHack "-cvs-export" s then "cvs-dir" else if hasSuffixHack "-git-export" s then "git-dir" else if hasSuffixHack ".nar.bz2" s then "narbz2" else if hasSuffixHack ".rpm" s then "rpm" # Mostly for manually specified directories.. else if hasSuffixHack "/" s then "dir" # Last block - for single files!! It should be always after .tar.* else if hasSuffixHack ".bz2" s then "plain-bz2" else if hasSuffixHack ".gz" s then "plain-gz" # For bootstrap calls else if (s ==("" + (substring 0 0 s))) then "empty" else (abort "unknown archive type : ${s}")); # changing this ? see [1] defAddToSearchPath = fullDepEntry (" addToSearchPathWithCustomDelimiter() { local delimiter=\$1 local varName=\$2 local needDir=\$3 local addDir=\${4:-\$needDir} local prefix=\$5 if [ -d \$prefix\$needDir ]; then if [ -z \${!varName} ]; then eval export \${varName}=\${prefix}\$addDir else eval export \${varName}=\${!varName}\${delimiter}\${prefix}\$addDir fi fi } addToSearchPath() { addToSearchPathWithCustomDelimiter \"\${PATH_DELIMITER}\" \"\$@\" } ") ["defNest"]; # changing this ? see [1] defNest = noDepEntry (" nestingLevel=0 startNest() { nestingLevel=\$((\$nestingLevel + 1)) echo -en \"\\e[\$1p\" } stopNest() { nestingLevel=\$((\$nestingLevel - 1)) echo -en \"\\e[q\" } header() { startNest \"\$2\" echo \"\$1\" } # Make sure that even when we exit abnormally, the original nesting # level is properly restored. closeNest() { while test \$nestingLevel -gt 0; do stopNest done } trap \"closeNest\" EXIT "); # changing this ? see [1] minInit = fullDepEntry (" ${stdenv.preHook} set -e NIX_GCC=${stdenv.gcc} export SHELL=${stdenv.shell} PATH_DELIMITER=':' # Set up the initial path. PATH= for i in \$NIX_GCC ${toString stdenv.initialPath}; do PATH=\$PATH\${PATH:+\"\${PATH_DELIMITER}\"}\$i/bin done export TZ=UTC prefix=${if args ? prefix then (toString args.prefix) else "\$out"} ") ["defNest" "defAddToSearchPath"]; # if you change this rewrite using '' instead of "" to get rid of indentation in builder scripts addInputs = fullDepEntry (" # Recursively find all build inputs. findInputs() { local pkg=\$1 case \$pkgs in *\\ \$pkg\\ *) return 0 ;; esac pkgs=\"\$pkgs \$pkg \" echo \$pkg if test -f \$pkg/nix-support/setup-hook; then source \$pkg/nix-support/setup-hook fi } pkgs=\"\" for i in \$NIX_GCC ${toString realBuildInputs}; do findInputs \$i done # Set the relevant environment variables to point to the build inputs # found above. addToEnv() { local pkg=\$1 "+ (if !((args ? ignoreFailedInputs) && (args.ignoreFailedInputs == 1)) then " if [ -e \$1/nix-support/failed ]; then echo \"failed input \$1\" >&2 fail fi " else "") +(if addSbinPath then " if test -d \$1/sbin; then export _PATH=\$_PATH\${_PATH:+\"\${PATH_DELIMITER}\"}\$1/sbin fi " else "") +" if test -d \$1/bin; then export _PATH=\$_PATH\${_PATH:+\"\${PATH_DELIMITER}\"}\$1/bin fi for i in \"\${envHooks[@]}\"; do \$i \$pkg done } for i in \$pkgs; do addToEnv \$i done # Add the output as an rpath. if test \"\$NIX_NO_SELF_RPATH\" != \"1\"; then export NIX_LDFLAGS=\"-rpath \$out/lib \$NIX_LDFLAGS\" fi PATH=\$_PATH\${_PATH:+\"\${PATH_DELIMITER}\"}\$PATH ") ["minInit"]; # changing this ? see [1] defEnsureDir = fullDepEntry (" # Ensure that the given directories exists. ensureDir() { local dir for dir in \"\$@\"; do if ! test -x \"\$dir\"; then mkdir -p \"\$dir\"; fi done } ") ["minInit"]; # changing this ? see [1] toSrcDir = s : fullDepEntry ((if (archiveType s) == "tar" then " tar xvf '${s}' cd \"\$(tar tf '${s}' | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "tgz" then " tar xvzf '${s}' cd \"\$(tar tzf '${s}' | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "tbz2" then " tar xvjf '${s}' cd \"\$(tar tjf '${s}' | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "tZ" then " uncompress < '${s}' | tar x cd \"\$(uncompress < '${s}' | tar t | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "tar.lzma" then " unlzma -d -c <'${s}' | tar xv cd \"\$(unlzma -d -c <'${s}' | tar t | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "tar.xz" then " xz -d -c <'${s}' | tar xv cd \"\$(xz -d -c <'${s}' | tar t | head -1 | sed -e 's@/.*@@' )\" " else if (archiveType s) == "zip" then " unzip '${s}' cd \"$( unzip -lqq '${s}' | tail -1 | sed -e 's@^\\(\\s\\+[-0-9:]\\+\\)\\{3,3\\}\\s\\+\\([^/]\\+\\)/.*@\\2@' )\" " else if (archiveType s) == "cvs-dir" then " cp -r '${s}' . cd \$(basename ${s}) chmod u+rwX -R . " else if (archiveType s) == "git-dir" then " cp -r '${s}' . cd \$(basename ${s}) chmod u+rwX -R . " else if (archiveType s) == "dir" then " cp -r '${s}' . cd \$(basename ${s}) chmod u+rwX -R . " else if (archiveType s) == "narbz2" then " bzip2 <${s} | nix-store --restore \$PWD/\$(basename ${s} .nar.bz2) cd \$(basename ${s} .nar.bz2) " else if (archiveType s) == "rpm" then '' rpm2cpio ${s} > ${s}.cpio cpio -iv < ${s}.cpio test -f *.tar.* && tar -xvf *.tar.* test -d */ && cd */ '' else if (archiveType s) == "plain-bz2" then " mkdir \$PWD/\$(basename ${s} .bz2) NAME=\$(basename ${s} .bz2) bzip2 -d <${s} > \$PWD/\$(basename ${s} .bz2)/\${NAME#*-} cd \$(basename ${s} .bz2) " else if (archiveType s) == "plain-gz" then " mkdir \$PWD/\$(basename ${s} .gz) NAME=\$(basename ${s} .gz) gzip -d <${s} > \$PWD/\$(basename ${s} .gz)/\${NAME#*-} cd \$(basename ${s} .gz) " else if (archiveType s) == "empty" then " echo No source to unpack - doing nothing .. " else (abort "unknown archive type : ${s}"))+ # goSrcDir is typically something like "cd mysubdir" .. but can be anything else (if args ? goSrcDir then args.goSrcDir else "") ) ["minInit"]; configureCommand = attrByPath ["configureCommand"] "./configure" args; # changing this ? see [1] doConfigure = fullDepEntry (" ${configureCommand} --prefix=\"\$prefix\" ${toString configureFlags} ") ["minInit" "addInputs" "doUnpack"]; # changing this ? see [1] doIntltool = fullDepEntry (" mkdir -p config intltoolize --copy --force ") ["minInit" "addInputs" "doUnpack"]; # changing this ? see [1] doAutotools = fullDepEntry (" mkdir -p config libtoolize --copy --force aclocal --force #Some packages do not need this autoheader || true; automake --add-missing --copy autoconf ")["minInit" "addInputs" "doUnpack"]; # changing this ? see [1] doAutogen = fullDepEntry ('' ./autogen.sh '')["minInit" "addInputs" "doUnpack"]; # changing this ? see [1] doMake = fullDepEntry (" make ${toString makeFlags} ") ["minInit" "addInputs" "doUnpack"]; doUnpack = toSrcDir (toString src); # changing this ? see [1] installPythonPackage = fullDepEntry (" python setup.py install --prefix=\"\$prefix\" ") ["minInit" "addInputs" "doUnpack"]; doPythonConfigure = fullDepEntry ('' pythonVersion=$(toPythonPath "$prefix") pythonVersion=''${pythonVersion#*/lib/python} pythonVersion=''${pythonVersion%%/site-packages} ${if args ? extraPythonConfigureCommand then args.extraPythonConfigureCommand else ""} python configure.py -b "$prefix/bin" -d "$(toPythonPath "$prefix")" -v "$prefix/share/sip" ${toString configureFlags} '') ["minInit" "addInputs" "doUnpack"]; # changing this ? see [1] doMakeInstall = fullDepEntry (" make ${toString (attrByPath ["makeFlags"] "" args)} "+ "${toString (attrByPath ["installFlags"] "" args)} install") ["doMake"]; # changing this ? see [1] doForceShare = fullDepEntry (" mkdir -p \"\$prefix/share\" for d in ${toString forceShare}; do if [ -d \"\$prefix/\$d\" -a ! -d \"\$prefix/share/\$d\" ]; then mv -v \"\$prefix/\$d\" \"\$prefix/share\" ln -sv share/\$d \"\$prefix\" fi; done; ") ["minInit" "defEnsureDir"]; doForceCopy = fullDepEntry ('' name="$(basename $out)" name="''${name#*-}" mkdir -p "$prefix/share/$name" for f in ${toString forceCopy}; do cp -r "$f" "$prefix/share/$name/$f" || true done; '') ["minInit" "defEnsureDir"]; doDump = n: noDepEntry "echo Dump number ${n}; set"; saveEnv = noDepEntry ''export > $TMP/env-vars''; doDumpBuildInputs = noDepEntry ('' echo "${toString realBuildInputs}" ''); patchFlags = if args ? patchFlags then args.patchFlags else "-p1"; patches = attrByPath ["patches"] [] args; toPatchCommand = s: "cat ${s} | patch ${toString patchFlags}"; doPatch = fullDepEntry (concatStringsSep ";" (map toPatchCommand patches) ) ["minInit" "doUnpack"]; envAdderInner = s: x: if x==null then s else y: a: envAdderInner (s+"echo export ${x}='\"'\"\$${x}:${y}\";'\"'\n") a; envAdder = envAdderInner ""; envAdderList = l: if l==[] then "" else "echo export ${head l}='\"'\"\\\$${head l}:${head (tail l)}\"'\"';\n" + envAdderList (tail (tail l)); # changing this ? see [1] wrapEnv = cmd: env: " mv \"${cmd}\" \"${cmd}-orig\"; touch \"${cmd}\"; chmod a+rx \"${cmd}\"; (${envAdderList env} echo '\"'\"${cmd}-orig\"'\"' '\"'\\\$@'\"' \n) > \"${cmd}\""; doWrap = cmd: fullDepEntry (wrapEnv cmd (attrByPath ["wrappedEnv"] [] args)) ["minInit"]; makeManyWrappers = wildcard : wrapperFlags : fullDepEntry ('' for i in ${wildcard}; do wrapProgram "$i" ${wrapperFlags} done '') ["minInit" "addInputs" "defEnsureDir"]; wrapBinContentsPython = (makeManyWrappers ''$out/bin/*'' pythonWrapperArguments ); pythonWrapperArguments = (''--prefix PYTHONPATH : $(toPythonPath $out)'' + ''''${PYTHONPATH:+ --prefix PYTHONPATH : $PYTHONPATH}''); preservePathWrapperArguments = ''''${PATH:+ --prefix PATH : $PATH }''; doPropagate = fullDepEntry (" mkdir -p \$out/nix-support echo '${toString (attrByPath ["propagatedBuildInputs"] [] args)}' >\$out/nix-support/propagated-build-inputs ") ["minInit" "defEnsureDir"]; cmakeFlags = attrByPath ["cmakeFlags"] [] args; cmakeRPathFlag = if attrByPath ["cmakeSkipRpath "] true args then " -DCMAKE_SKIP_BUILD_RPATH=ON " else ""; cmakeBuildDir = attrByPath ["cmakeBuildDir"] "build" args; doCmake = fullDepEntry ('' mkdir ${cmakeBuildDir} cd ${cmakeBuildDir} cmake -D CMAKE_INSTALL_PREFIX="$out" ${cmakeRPathFlag}${toString cmakeFlags} .. '') ["minInit" "addInputs" "doUnpack"]; doScons = fullDepEntry ('' mkdir -p $out ${if (attrByPath ["sconsCleanEnv"] false args) then "" else '' sed -e '1iimport os' -i SConstruct sed -e 's/env *= *Environment *.*/&; env['"'"'ENV'"'"']=os.environ;/' -i SConstruct '' } scons ${toString (attrByPath ["sconsFlags"] [] args)} PREFIX=$out scons ${toString (attrByPath ["sconsFlags"] [] args)} PREFIX=$out install '') ["minInit" "doUnpack" "addInputs" "defEnsureDir"]; /*debug = x:(trace x x); debugX = x:(trace (toXML x) x);*/ makeNest = x: if x == defNest.text then x else "startNest\n" + x + "\nstopNest\n"; textClosure = a: steps: textClosureMap makeNest a (["defNest"] ++ steps); inherit noDepEntry fullDepEntry packEntry; defList = attrByPath ["defList"] [] args; getVal = getValue args defList; check = checkFlag args; reqsList = attrByPath ["reqsList"] [] args; buildInputsNames = filter (x: null != getVal x) (uniqList {inputList = (concatLists (map (x: if x==[] then [] else builtins.tail x) reqsList));}); configFlags = attrByPath ["configFlags"] [] args; buildFlags = attrByPath ["buildFlags"] [] args; nameSuffixes = attrByPath ["nameSuffixes"] [] args; autoBuildInputs = assert (checkReqs args defList reqsList); filter (x: x!=null) (map getVal buildInputsNames); autoConfigureFlags = condConcat "" configFlags check; autoMakeFlags = condConcat "" buildFlags check; useConfig = attrByPath ["useConfig"] false args; realBuildInputs = lib.closePropagation ((if useConfig then autoBuildInputs else attrByPath ["buildInputs"] [] args)++ (attrByPath ["propagatedBuildInputs"] [] args)); configureFlags = if useConfig then autoConfigureFlags else attrByPath ["configureFlags"] "" args; makeFlags = if useConfig then autoMakeFlags else attrByPath ["makeFlags"] "" args; inherit lib; surroundWithCommands = x : before : after : {deps=x.deps; text = before + "\n" + x.text + "\n" + after ;}; createDirs = fullDepEntry (concatStringsSep ";" (map (x: "mkdir -p ${x}") (attrByPath ["neededDirs"] [] args)) ) ["minInit" "defEnsureDir"]; copyExtraDoc = fullDepEntry ('' name="$(basename $out)" name="''${name#*-}" mkdir -p "$out/share/doc/$name" '' + (concatStringsSep ";" (map (x: ''cp "${x}" "$out/share/doc/$name" || true;'') (attrByPath ["extraDoc"] [] args)))) ["minInit" "defEnsureDir" "doUnpack"]; realPhaseNames = (optional ([] != attrByPath ["neededDirs"] [] args) "createDirs") ++ (attrByPath ["phaseNames"] [] args) ++ ["doForceShare" "doPropagate" "doForceCopy"] ++ (optional ([] != attrByPath ["extraDoc"] [] args) "copyExtraDoc") ++ (optional (attrByPath ["doCheck"] false args) "doMakeCheck") ++ (optional (attrByPath ["alwaysFail"] false args) "doFail") ; doFail = noDepEntry " echo 'Failing to keep builddir (and to invalidate result).' a() { return 127; } ; a ; "; doMakeCheck = fullDepEntry ('' make check '') ["minInit"]; extraDerivationAttrs = lib.attrByPath ["extraDerivationAttrs"] {} args; # for overrides.. builderDefsArgs = args; innerBuilderDefsPackage = bd: args: ( let localDefs = bd.passthru.function args; in stdenv.mkDerivation ((rec { inherit (localDefs) name; buildCommand = textClosure localDefs localDefs.realPhaseNames; meta = localDefs.meta; passthru = localDefs.passthru // {inherit (localDefs) src; }; }) // (if localDefs ? propagatedBuildInputs then { inherit (localDefs) propagatedBuildInputs; } else {}) // extraDerivationAttrs) ); builderDefsPackage = bd: func: if builtins.isFunction func then (foldArgs (x: y: ((func (bd // x // y)) // y)) (innerBuilderDefsPackage bd) {}) else (builderDefsPackage bd (import (toString func))) ; generateFontsFromSFD = fullDepEntry ('' for i in *.sfd; do echo $i; fontforge -c \ 'Open($1); ${optionalString (args ? extraFontForgeCommands) args.extraFontForgeCommands }Reencode("unicode"); ${optionalString (attrByPath ["createTTF"] true args) ''Generate($1:r + ".ttf");''} ${optionalString (attrByPath ["createOTF"] true args) ''Generate($1:r + ".otf");''} Reencode("TeX-Base-Encoding"); ${optionalString (attrByPath ["createAFM"] true args) ''Generate($1:r + ".afm");''} ${optionalString (attrByPath ["createPFM"] true args) ''Generate($1:r + ".pfm");''} ${optionalString (attrByPath ["createPFB"] true args) ''Generate($1:r + ".pfb");''} ${optionalString (attrByPath ["createMAP"] true args) ''Generate($1:r + ".map");''} ${optionalString (attrByPath ["createENC"] true args) ''Generate($1:r + ".enc");''} ' $i; done '') ["minInit" "addInputs" "doUnpack"]; installFonts = let retrievedName = (if args ? name then args.name else ""); in fullDepEntry ('' mkdir -p $out/share/fonts/truetype/public/${retrievedName} mkdir -p $out/share/fonts/opentype/public/${retrievedName} mkdir -p $out/share/fonts/type1/public/${retrievedName} mkdir -p $out/share/texmf/fonts/enc/${retrievedName} mkdir -p $out/share/texmf/fonts/map/${retrievedName} cp *.ttf $out/share/fonts/truetype/public/${retrievedName} || echo No TrueType fonts cp *.otf $out/share/fonts/opentype/public/${retrievedName} || echo No OpenType fonts cp *.{pfm,afm,pfb} $out/share/fonts/type1/public/${retrievedName} || echo No Type1 Fonts cp *.enc $out/share/texmf/fonts/enc/${retrievedName} || echo No fontenc data cp *.map $out/share/texmf/fonts/map/${retrievedName} || echo No fontmap data '') ["minInit" "defEnsureDir"]; simplyShare = shareName: fullDepEntry ('' mkdir -p $out/share cp -r . $out/share/${shareName} '') ["doUnpack" "defEnsureDir"]; doPatchShebangs = dir: fullDepEntry ('' patchShebangFun() { # Rewrite all script interpreter file names (`#! /path') under the # specified directory tree to paths found in $PATH. E.g., # /bin/sh will be rewritten to /nix/store/-some-bash/bin/sh. # Interpreters that are already in the store are left untouched. echo "patching script interpreter paths" local f for f in $(find "${dir}" -type f -perm +0100); do local oldPath=$(sed -ne '1 s,^#![ ]*\([^ ]*\).*$,\1,p' "$f") if test -n "$oldPath" -a "''${oldPath:0:''${#NIX_STORE}}" != "$NIX_STORE"; then local newPath=$(type -P $(basename $oldPath) || true) if test -n "$newPath" -a "$newPath" != "$oldPath"; then echo "$f: interpreter changed from $oldPath to $newPath" sed -i "1 s,$oldPath,$newPath," "$f" fi fi done } patchShebangFun; '') ["minInit"]; createPythonInstallationTarget = fullDepEntry ('' mkdir -p $(toPythonPath $out) export PYTHONPATH=$PYTHONPATH''${PYTHONPATH:+:}$(toPythonPath $out) '') ["minInit" "addInputs" "defEnsureDir"]; fetchUrlFromSrcInfo = srcInfo: fetchurl ({ url = srcInfo.url; sha256 = srcInfo.hash; } // (if srcInfo ? downloadName then {name = srcInfo.downloadName;} else {})); fetchGitFromSrcInfo = srcInfo: fetchgit { url = srcInfo.url; rev = srcInfo.rev; sha256 = srcInfo.hash; }; }) // args # [1]: rewrite using '' instead of " so that indentation gets stripped. It's # only about some spaces but in the end they will sum up