Added a new setup proposal, builder is no more derived from shell script (where edit=glibc rebuild), but is composed from a nix attribute set with strings and dependencies - so if you add a function, old expressions ignore it; collateral damage are packages in this style: Fastest Fourier Transform in the West, Audacity sound editor, Falling Sand game. Also added string equality that ignores dependencies to lib. Note that hasSuffixHack is now the more predictable version, but hasSuffix is left to remind us to fix the bug.

svn path=/nixpkgs/trunk/; revision=9549

1 files changed, 157 insertions, 0 deletions

diff --git a/pkgs/top-level/builder-defs.nix b/pkgs/top-level/builder-defs.nix
new file mode 100644
index 000000000000..c164aaae4fd9
--- /dev/null
+++ b/pkgs/top-level/builder-defs.nix
@@ -0,0 +1,157 @@
+args: with args; with stringsWithDeps; with lib;
+rec
+{
+	inherit writeScript; 
+
+	forceShare = if args ? forceShare then args.forceShare else ["man" "doc" "info"];
+
+	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) then "tbz2"
+		else (abort "unknown archive type : ${s}"));
+
+	minInit = noDepEntry ("
+		set -e
+		NIX_GCC=${stdenv.gcc}
+		export SHELL=${stdenv.shell}
+		# Set up the initial path.
+		PATH=
+		for i in \$NIX_GCC ${toString stdenv.initialPath}; do
+		    PATH=\$PATH\${PATH:+:}\$i/bin
+		done
+	" + (if ((stdenv ? preHook) && (stdenv.preHook != null) && 
+			((toString stdenv.preHook) != "")) then 
+		"
+		param1=${stdenv.param1}
+		param2=${stdenv.param2}
+		param3=${stdenv.param3}
+		param4=${stdenv.param4}
+		param5=${stdenv.param5}
+		source ${stdenv.preHook}
+
+		export TZ=UTC
+
+		prefix=${if args ? prefix then (toString args.prefix) else "\$out"}
+		"
+	else ""));
+
+	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
+			cat \$pkg/nix-support/setup-hook
+			echo $PATH;
+		    fi
+		    
+		    if test -f \$pkg/nix-support/propagated-build-inputs; then
+			for i in \$(cat \$pkg/nix-support/propagated-build-inputs); do
+			    findInputs \$i
+			done
+		    fi
+		}
+
+		pkgs=\"\"
+		for i in \$NIX_GCC ${toString buildInputs} ${toString 
+		(if (args ? propagatedBuildInputs) then 
+		args.propagatedBuildInputs else "")}; 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 test -d \$1/bin; then
+			export _PATH=\$_PATH\${_PATH:+:}\$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
+	") [minInit];
+	
+	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];
+
+	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 (abort "unknown archive type : ${s}")) [minInit];
+
+	doConfigure = FullDepEntry ("
+		./configure --prefix=\"\$prefix\" ${toString (getAttr ["configureFlags"] "" args)}
+	") [minInit addInputs doUnpack];
+
+	doMake = FullDepEntry ("	
+		make ${toString (getAttr ["makeFlags"] "" args)}
+	") [minInit addInputs doUnpack];
+
+	doUnpack = toSrcDir (toString src);
+
+	doMakeInstall = FullDepEntry ("
+		make ${toString (getAttr ["makeFlags"] "" args)} "+
+			"${toString (getAttr ["installFlags"] "" args)} install") [doMake];
+
+	doForceShare = FullDepEntry (" 
+		ensureDir \$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];
+
+	doDump = n: noDepEntry "echo Dump number ${n}; set";
+
+}