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added writeTextFile superseding all the other writeText writeScript(Bin) functions

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svn path=/nixpkgs/trunk/; revision=13120
This commit is contained in:
Marc Weber 2008-10-26 17:44:44 +00:00
parent a9b19788fb
commit a08ed61bba
1 changed files with 17 additions and 9 deletions
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26
pkgs/top-level/all-packages.nix
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@ -431,17 +431,25 @@ let
inherit name buildCommand; inherit name buildCommand;
} // env); } // env);
# Write a plain text file to the Nix store. (The advantage over
# plain sources is that `text' can refer to the output paths of
# derivations, e.g., "... ${somePkg}/bin/foo ...".
writeText = name: text: runCommand name {inherit text;} "echo -n \"$text\" > $out";
writeScript = name: text: runCommand name {inherit text;} "echo -n \"$text\" > $out; chmod +x $out";
writeScriptBin = name: text: runCommand name {inherit text;} "mkdir -p \$out/bin; echo -n \"\$text\" > \$out/bin/\$name ; chmod +x \$out/bin/\$name";
symlinkJoin = name: paths: runCommand name {inherit paths;} "mkdir -p $out; for i in $paths; do ${xorg.lndir}/bin/lndir $i $out; done"; symlinkJoin = name: paths: runCommand name {inherit paths;} "mkdir -p $out; for i in $paths; do ${xorg.lndir}/bin/lndir $i $out; done";
# single text file derivation
writeTextFile = { name, # the name of the derivation
text,
executable ? false, # run chmod +x ?
destination ? "" # relative path appended to $out eg "/bin/foo"
} :
runCommand name {inherit text executable; } ''
n=$out${destination}
mkdir -p "$(dirname "$n")"
echo -n "$text" > "$n"
[ -n "$executable"] && chmod +x "$n"
'';
# the following write* functions are depreceated. You should use writeTextFile instead
writeText = name: text: runCommand name {inherit text;} "echo -n \"$text\" > $out";
writeScript = name: text: runCommand name {inherit text;} "echo -n \"$text\" > $out; chmod +x $out";
writeScriptBin = name: text: runCommand name {inherit text;} "mkdir -p \$out/bin; echo -n \"\$text\" > \$out/bin/\$name ; chmod +x \$out/bin/\$name";
# entries is a list of attribute sets like { name = "name" ; path = "/nix/store/..."; } # entries is a list of attribute sets like { name = "name" ; path = "/nix/store/..."; }
linkFarm = name: entries: runCommand name {} ("mkdir -p $out; cd $out; \n" + linkFarm = name: entries: runCommand name {} ("mkdir -p $out; cd $out; \n" +
(lib.concatMapStrings (x: "ln -s '${x.path}' '${x.name}';\n") entries)); (lib.concatMapStrings (x: "ln -s '${x.path}' '${x.name}';\n") entries));