250ef1ff39
we will have more testers in the future so they should have their own location putting 'testers' in args will also make it simpler to use multiple testers
788 lines
25 KiB
Nix
788 lines
25 KiB
Nix
{ lib, stdenv, stdenvNoCC, lndir, runtimeShell, shellcheck }:
|
||
|
||
rec {
|
||
|
||
/* Run the shell command `buildCommand' to produce a store path named
|
||
* `name'. The attributes in `env' are added to the environment
|
||
* prior to running the command. By default `runCommand` runs in a
|
||
* stdenv with no compiler environment. `runCommandCC` uses the default
|
||
* stdenv, `pkgs.stdenv`.
|
||
*
|
||
* Examples:
|
||
* runCommand "name" {envVariable = true;} ''echo hello > $out''
|
||
* runCommandNoCC "name" {envVariable = true;} ''echo hello > $out'' # equivalent to prior
|
||
* runCommandCC "name" {} ''gcc -o myfile myfile.c; cp myfile $out'';
|
||
*
|
||
* The `*Local` variants force a derivation to be built locally,
|
||
* it is not substituted.
|
||
*
|
||
* This is intended for very cheap commands (<1s execution time).
|
||
* It saves on the network roundrip and can speed up a build.
|
||
*
|
||
* It is the same as adding the special fields
|
||
* `preferLocalBuild = true;`
|
||
* `allowSubstitutes = false;`
|
||
* to a derivation’s attributes.
|
||
*/
|
||
runCommand = name: env: runCommandWith {
|
||
stdenv = stdenvNoCC;
|
||
runLocal = false;
|
||
inherit name;
|
||
derivationArgs = env;
|
||
};
|
||
runCommandLocal = name: env: runCommandWith {
|
||
stdenv = stdenvNoCC;
|
||
runLocal = true;
|
||
inherit name;
|
||
derivationArgs = env;
|
||
};
|
||
|
||
runCommandCC = name: env: runCommandWith {
|
||
stdenv = stdenv;
|
||
runLocal = false;
|
||
inherit name;
|
||
derivationArgs = env;
|
||
};
|
||
# `runCommandCCLocal` left out on purpose.
|
||
# We shouldn’t force the user to have a cc in scope.
|
||
|
||
/* Generalized version of the `runCommand`-variants
|
||
* which does customized behavior via a single
|
||
* attribute set passed as the first argument
|
||
* instead of having a lot of variants like
|
||
* `runCommand*`. Additionally it allows changing
|
||
* the used `stdenv` freely and has a more explicit
|
||
* approach to changing the arguments passed to
|
||
* `stdenv.mkDerivation`.
|
||
*/
|
||
runCommandWith =
|
||
let
|
||
# prevent infinite recursion for the default stdenv value
|
||
defaultStdenv = stdenv;
|
||
in
|
||
{ stdenv ? defaultStdenv
|
||
# which stdenv to use, defaults to a stdenv with a C compiler, pkgs.stdenv
|
||
, runLocal ? false
|
||
# whether to build this derivation locally instead of substituting
|
||
, derivationArgs ? {}
|
||
# extra arguments to pass to stdenv.mkDerivation
|
||
, name
|
||
# name of the resulting derivation
|
||
}: buildCommand:
|
||
stdenv.mkDerivation ({
|
||
inherit buildCommand name;
|
||
passAsFile = [ "buildCommand" ]
|
||
++ (derivationArgs.passAsFile or []);
|
||
}
|
||
// (lib.optionalAttrs runLocal {
|
||
preferLocalBuild = true;
|
||
allowSubstitutes = false;
|
||
})
|
||
// builtins.removeAttrs derivationArgs [ "passAsFile" ]);
|
||
|
||
|
||
/* Writes a text file to the nix store.
|
||
* The contents of text is added to the file in the store.
|
||
*
|
||
* Examples:
|
||
* # Writes my-file to /nix/store/<store path>
|
||
* writeTextFile {
|
||
* name = "my-file";
|
||
* text = ''
|
||
* Contents of File
|
||
* '';
|
||
* }
|
||
* # See also the `writeText` helper function below.
|
||
*
|
||
* # Writes executable my-file to /nix/store/<store path>/bin/my-file
|
||
* writeTextFile {
|
||
* name = "my-file";
|
||
* text = ''
|
||
* Contents of File
|
||
* '';
|
||
* executable = true;
|
||
* destination = "/bin/my-file";
|
||
* }
|
||
*/
|
||
writeTextFile =
|
||
{ name # the name of the derivation
|
||
, text
|
||
, executable ? false # run chmod +x ?
|
||
, destination ? "" # relative path appended to $out eg "/bin/foo"
|
||
, checkPhase ? "" # syntax checks, e.g. for scripts
|
||
, meta ? { }
|
||
}:
|
||
runCommand name
|
||
{ inherit text executable checkPhase meta;
|
||
passAsFile = [ "text" ];
|
||
# Pointless to do this on a remote machine.
|
||
preferLocalBuild = true;
|
||
allowSubstitutes = false;
|
||
}
|
||
''
|
||
target=$out${lib.escapeShellArg destination}
|
||
mkdir -p "$(dirname "$target")"
|
||
|
||
if [ -e "$textPath" ]; then
|
||
mv "$textPath" "$target"
|
||
else
|
||
echo -n "$text" > "$target"
|
||
fi
|
||
|
||
eval "$checkPhase"
|
||
|
||
(test -n "$executable" && chmod +x "$target") || true
|
||
'';
|
||
|
||
/*
|
||
* Writes a text file to nix store with no optional parameters available.
|
||
*
|
||
* Example:
|
||
* # Writes contents of file to /nix/store/<store path>
|
||
* writeText "my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeText = name: text: writeTextFile {inherit name text;};
|
||
|
||
/*
|
||
* Writes a text file to nix store in a specific directory with no
|
||
* optional parameters available.
|
||
*
|
||
* Example:
|
||
* # Writes contents of file to /nix/store/<store path>/share/my-file
|
||
* writeTextDir "share/my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeTextDir = path: text: writeTextFile {
|
||
inherit text;
|
||
name = builtins.baseNameOf path;
|
||
destination = "/${path}";
|
||
};
|
||
|
||
/*
|
||
* Writes a text file to /nix/store/<store path> and marks the file as
|
||
* executable.
|
||
*
|
||
* If passed as a build input, will be used as a setup hook. This makes setup
|
||
* hooks more efficient to create: you don't need a derivation that copies
|
||
* them to $out/nix-support/setup-hook, instead you can use the file as is.
|
||
*
|
||
* Example:
|
||
* # Writes my-file to /nix/store/<store path> and makes executable
|
||
* writeScript "my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeScript = name: text: writeTextFile {inherit name text; executable = true;};
|
||
|
||
/*
|
||
* Writes a text file to /nix/store/<store path>/bin/<name> and
|
||
* marks the file as executable.
|
||
*
|
||
* Example:
|
||
* # Writes my-file to /nix/store/<store path>/bin/my-file and makes executable.
|
||
* writeScriptBin "my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeScriptBin = name: text: writeTextFile {inherit name text; executable = true; destination = "/bin/${name}";};
|
||
|
||
/*
|
||
* Similar to writeScript. Writes a Shell script and checks its syntax.
|
||
* Automatically includes interpreter above the contents passed.
|
||
*
|
||
* Example:
|
||
* # Writes my-file to /nix/store/<store path> and makes executable.
|
||
* writeShellScript "my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeShellScript = name: text:
|
||
writeTextFile {
|
||
inherit name;
|
||
executable = true;
|
||
text = ''
|
||
#!${runtimeShell}
|
||
${text}
|
||
'';
|
||
checkPhase = ''
|
||
${stdenv.shellDryRun} "$target"
|
||
'';
|
||
};
|
||
|
||
/*
|
||
* Similar to writeShellScript and writeScriptBin.
|
||
* Writes an executable Shell script to /nix/store/<store path>/bin/<name> and checks its syntax.
|
||
* Automatically includes interpreter above the contents passed.
|
||
*
|
||
* Example:
|
||
* # Writes my-file to /nix/store/<store path>/bin/my-file and makes executable.
|
||
* writeShellScriptBin "my-file"
|
||
* ''
|
||
* Contents of File
|
||
* '';
|
||
*
|
||
*/
|
||
writeShellScriptBin = name : text :
|
||
writeTextFile {
|
||
inherit name;
|
||
executable = true;
|
||
destination = "/bin/${name}";
|
||
text = ''
|
||
#!${runtimeShell}
|
||
${text}
|
||
'';
|
||
checkPhase = ''
|
||
${stdenv.shellDryRun} "$target"
|
||
'';
|
||
};
|
||
|
||
/*
|
||
* Similar to writeShellScriptBin and writeScriptBin.
|
||
* Writes an executable Shell script to /nix/store/<store path>/bin/<name> and
|
||
* checks its syntax with shellcheck and the shell's -n option.
|
||
* Automatically includes sane set of shellopts (errexit, nounset, pipefail)
|
||
* and handles creation of PATH based on runtimeInputs
|
||
*
|
||
* Note that the checkPhase uses stdenv.shell for the test run of the script,
|
||
* while the generated shebang uses runtimeShell. If, for whatever reason,
|
||
* those were to mismatch you might lose fidelity in the default checks.
|
||
*
|
||
* Example:
|
||
* # Writes my-file to /nix/store/<store path>/bin/my-file and makes executable.
|
||
* writeShellApplication {
|
||
* name = "my-file";
|
||
* runtimeInputs = [ curl w3m ];
|
||
* text = ''
|
||
* curl -s 'https://nixos.org' | w3m -dump -T text/html
|
||
* '';
|
||
* }
|
||
*/
|
||
writeShellApplication =
|
||
{ name
|
||
, text
|
||
, runtimeInputs ? [ ]
|
||
, checkPhase ? null
|
||
}:
|
||
writeTextFile {
|
||
inherit name;
|
||
executable = true;
|
||
destination = "/bin/${name}";
|
||
text = ''
|
||
#!${runtimeShell}
|
||
set -o errexit
|
||
set -o nounset
|
||
set -o pipefail
|
||
|
||
export PATH="${lib.makeBinPath runtimeInputs}:$PATH"
|
||
|
||
${text}
|
||
'';
|
||
|
||
checkPhase =
|
||
if checkPhase == null then ''
|
||
runHook preCheck
|
||
${stdenv.shellDryRun} "$target"
|
||
${shellcheck}/bin/shellcheck "$target"
|
||
runHook postCheck
|
||
''
|
||
else checkPhase;
|
||
|
||
meta.mainProgram = name;
|
||
};
|
||
|
||
# Create a C binary
|
||
writeCBin = name: code:
|
||
runCommandCC name
|
||
{
|
||
inherit name code;
|
||
executable = true;
|
||
passAsFile = ["code"];
|
||
# Pointless to do this on a remote machine.
|
||
preferLocalBuild = true;
|
||
allowSubstitutes = false;
|
||
}
|
||
''
|
||
n=$out/bin/$name
|
||
mkdir -p "$(dirname "$n")"
|
||
mv "$codePath" code.c
|
||
$CC -x c code.c -o "$n"
|
||
'';
|
||
|
||
|
||
/* concat a list of files to the nix store.
|
||
* The contents of files are added to the file in the store.
|
||
*
|
||
* Examples:
|
||
* # Writes my-file to /nix/store/<store path>
|
||
* concatTextFile {
|
||
* name = "my-file";
|
||
* files = [ drv1 "${drv2}/path/to/file" ];
|
||
* }
|
||
* # See also the `concatText` helper function below.
|
||
*
|
||
* # Writes executable my-file to /nix/store/<store path>/bin/my-file
|
||
* concatTextFile {
|
||
* name = "my-file";
|
||
* files = [ drv1 "${drv2}/path/to/file" ];
|
||
* executable = true;
|
||
* destination = "/bin/my-file";
|
||
* }
|
||
*/
|
||
concatTextFile =
|
||
{ name # the name of the derivation
|
||
, files
|
||
, executable ? false # run chmod +x ?
|
||
, destination ? "" # relative path appended to $out eg "/bin/foo"
|
||
, checkPhase ? "" # syntax checks, e.g. for scripts
|
||
, meta ? { }
|
||
}:
|
||
runCommandLocal name
|
||
{ inherit files executable checkPhase meta destination; }
|
||
''
|
||
file=$out$destination
|
||
mkdir -p "$(dirname "$file")"
|
||
cat $files > "$file"
|
||
|
||
(test -n "$executable" && chmod +x "$file") || true
|
||
eval "$checkPhase"
|
||
'';
|
||
|
||
|
||
/*
|
||
* Writes a text file to nix store with no optional parameters available.
|
||
*
|
||
* Example:
|
||
* # Writes contents of files to /nix/store/<store path>
|
||
* concatText "my-file" [ file1 file2 ]
|
||
*
|
||
*/
|
||
concatText = name: files: concatTextFile { inherit name files; };
|
||
|
||
/*
|
||
* Writes a text file to nix store with and mark it as executable.
|
||
*
|
||
* Example:
|
||
* # Writes contents of files to /nix/store/<store path>
|
||
* concatScript "my-file" [ file1 file2 ]
|
||
*
|
||
*/
|
||
concatScript = name: files: concatTextFile { inherit name files; executable = true; };
|
||
|
||
|
||
/*
|
||
* Create a forest of symlinks to the files in `paths'.
|
||
*
|
||
* This creates a single derivation that replicates the directory structure
|
||
* of all the input paths.
|
||
*
|
||
* BEWARE: it may not "work right" when the passed paths contain symlinks to directories.
|
||
*
|
||
* Examples:
|
||
* # adds symlinks of hello to current build.
|
||
* symlinkJoin { name = "myhello"; paths = [ pkgs.hello ]; }
|
||
*
|
||
* # adds symlinks of hello and stack to current build and prints "links added"
|
||
* symlinkJoin { name = "myexample"; paths = [ pkgs.hello pkgs.stack ]; postBuild = "echo links added"; }
|
||
*
|
||
* This creates a derivation with a directory structure like the following:
|
||
*
|
||
* /nix/store/sglsr5g079a5235hy29da3mq3hv8sjmm-myexample
|
||
* |-- bin
|
||
* | |-- hello -> /nix/store/qy93dp4a3rqyn2mz63fbxjg228hffwyw-hello-2.10/bin/hello
|
||
* | `-- stack -> /nix/store/6lzdpxshx78281vy056lbk553ijsdr44-stack-2.1.3.1/bin/stack
|
||
* `-- share
|
||
* |-- bash-completion
|
||
* | `-- completions
|
||
* | `-- stack -> /nix/store/6lzdpxshx78281vy056lbk553ijsdr44-stack-2.1.3.1/share/bash-completion/completions/stack
|
||
* |-- fish
|
||
* | `-- vendor_completions.d
|
||
* | `-- stack.fish -> /nix/store/6lzdpxshx78281vy056lbk553ijsdr44-stack-2.1.3.1/share/fish/vendor_completions.d/stack.fish
|
||
* ...
|
||
*
|
||
* symlinkJoin and linkFarm are similar functions, but they output
|
||
* derivations with different structure.
|
||
*
|
||
* symlinkJoin is used to create a derivation with a familiar directory
|
||
* structure (top-level bin/, share/, etc), but with all actual files being symlinks to
|
||
* the files in the input derivations.
|
||
*
|
||
* symlinkJoin is used many places in nixpkgs to create a single derivation
|
||
* that appears to contain binaries, libraries, documentation, etc from
|
||
* multiple input derivations.
|
||
*
|
||
* linkFarm is instead used to create a simple derivation with symlinks to
|
||
* other derivations. A derivation created with linkFarm is often used in CI
|
||
* as a easy way to build multiple derivations at once.
|
||
*/
|
||
symlinkJoin =
|
||
args_@{ name
|
||
, paths
|
||
, preferLocalBuild ? true
|
||
, allowSubstitutes ? false
|
||
, postBuild ? ""
|
||
, ...
|
||
}:
|
||
let
|
||
args = removeAttrs args_ [ "name" "postBuild" ]
|
||
// {
|
||
inherit preferLocalBuild allowSubstitutes;
|
||
passAsFile = [ "paths" ];
|
||
}; # pass the defaults
|
||
in runCommand name args
|
||
''
|
||
mkdir -p $out
|
||
for i in $(cat $pathsPath); do
|
||
${lndir}/bin/lndir -silent $i $out
|
||
done
|
||
${postBuild}
|
||
'';
|
||
|
||
/*
|
||
* Quickly create a set of symlinks to derivations.
|
||
*
|
||
* This creates a simple derivation with symlinks to all inputs.
|
||
*
|
||
* entries is a list of attribute sets like
|
||
* { name = "name" ; path = "/nix/store/..."; }
|
||
*
|
||
* Example:
|
||
*
|
||
* # Symlinks hello and stack paths in store to current $out/hello-test and
|
||
* # $out/foobar.
|
||
* linkFarm "myexample" [ { name = "hello-test"; path = pkgs.hello; } { name = "foobar"; path = pkgs.stack; } ]
|
||
*
|
||
* This creates a derivation with a directory structure like the following:
|
||
*
|
||
* /nix/store/qc5728m4sa344mbks99r3q05mymwm4rw-myexample
|
||
* |-- foobar -> /nix/store/6lzdpxshx78281vy056lbk553ijsdr44-stack-2.1.3.1
|
||
* `-- hello-test -> /nix/store/qy93dp4a3rqyn2mz63fbxjg228hffwyw-hello-2.10
|
||
*
|
||
* See the note on symlinkJoin for the difference between linkFarm and symlinkJoin.
|
||
*/
|
||
linkFarm = name: entries: runCommand name { preferLocalBuild = true; allowSubstitutes = false; }
|
||
''mkdir -p $out
|
||
cd $out
|
||
${lib.concatMapStrings (x: ''
|
||
mkdir -p "$(dirname ${lib.escapeShellArg x.name})"
|
||
ln -s ${lib.escapeShellArg x.path} ${lib.escapeShellArg x.name}
|
||
'') entries}
|
||
'';
|
||
|
||
/*
|
||
* Easily create a linkFarm from a set of derivations.
|
||
*
|
||
* This calls linkFarm with a list of entries created from the list of input
|
||
* derivations. It turns each input derivation into an attribute set
|
||
* like { name = drv.name ; path = drv }, and passes this to linkFarm.
|
||
*
|
||
* Example:
|
||
*
|
||
* # Symlinks the hello, gcc, and ghc derivations in $out
|
||
* linkFarmFromDrvs "myexample" [ pkgs.hello pkgs.gcc pkgs.ghc ]
|
||
*
|
||
* This creates a derivation with a directory structure like the following:
|
||
*
|
||
* /nix/store/m3s6wkjy9c3wy830201bqsb91nk2yj8c-myexample
|
||
* |-- gcc-wrapper-9.2.0 -> /nix/store/fqhjxf9ii4w4gqcsx59fyw2vvj91486a-gcc-wrapper-9.2.0
|
||
* |-- ghc-8.6.5 -> /nix/store/gnf3s07bglhbbk4y6m76sbh42siym0s6-ghc-8.6.5
|
||
* `-- hello-2.10 -> /nix/store/k0ll91c4npk4lg8lqhx00glg2m735g74-hello-2.10
|
||
*/
|
||
linkFarmFromDrvs = name: drvs:
|
||
let mkEntryFromDrv = drv: { name = drv.name; path = drv; };
|
||
in linkFarm name (map mkEntryFromDrv drvs);
|
||
|
||
|
||
/*
|
||
* Make a package that just contains a setup hook with the given contents.
|
||
* This setup hook will be invoked by any package that includes this package
|
||
* as a buildInput. Optionally takes a list of substitutions that should be
|
||
* applied to the resulting script.
|
||
*
|
||
* Examples:
|
||
* # setup hook that depends on the hello package and runs ./myscript.sh
|
||
* myhellohook = makeSetupHook { deps = [ hello ]; } ./myscript.sh;
|
||
*
|
||
* # writes a Linux-exclusive setup hook where @bash@ myscript.sh is substituted for the
|
||
* # bash interpreter.
|
||
* myhellohookSub = makeSetupHook {
|
||
* deps = [ hello ];
|
||
* substitutions = { bash = "${pkgs.bash}/bin/bash"; };
|
||
* meta.platforms = lib.platforms.linux;
|
||
* } ./myscript.sh;
|
||
*/
|
||
makeSetupHook = { name ? "hook", deps ? [], substitutions ? {}, meta ? {} }: script:
|
||
runCommand name
|
||
(substitutions // {
|
||
inherit meta;
|
||
})
|
||
(''
|
||
mkdir -p $out/nix-support
|
||
cp ${script} $out/nix-support/setup-hook
|
||
'' + lib.optionalString (deps != []) ''
|
||
printWords ${toString deps} > $out/nix-support/propagated-build-inputs
|
||
'' + lib.optionalString (substitutions != {}) ''
|
||
substituteAll ${script} $out/nix-support/setup-hook
|
||
'');
|
||
|
||
|
||
# Write the references (i.e. the runtime dependencies in the Nix store) of `path' to a file.
|
||
|
||
writeReferencesToFile = path: runCommand "runtime-deps"
|
||
{
|
||
exportReferencesGraph = ["graph" path];
|
||
}
|
||
''
|
||
touch $out
|
||
while read path; do
|
||
echo $path >> $out
|
||
read dummy
|
||
read nrRefs
|
||
for ((i = 0; i < nrRefs; i++)); do read ref; done
|
||
done < graph
|
||
'';
|
||
|
||
/*
|
||
Write the set of references to a file, that is, their immediate dependencies.
|
||
|
||
This produces the equivalent of `nix-store -q --references`.
|
||
*/
|
||
writeDirectReferencesToFile = path: runCommand "runtime-references"
|
||
{
|
||
exportReferencesGraph = ["graph" path];
|
||
inherit path;
|
||
}
|
||
''
|
||
touch ./references
|
||
while read p; do
|
||
read dummy
|
||
read nrRefs
|
||
if [[ $p == $path ]]; then
|
||
for ((i = 0; i < nrRefs; i++)); do
|
||
read ref;
|
||
echo $ref >>./references
|
||
done
|
||
else
|
||
for ((i = 0; i < nrRefs; i++)); do
|
||
read ref;
|
||
done
|
||
fi
|
||
done < graph
|
||
sort ./references >$out
|
||
'';
|
||
|
||
|
||
/*
|
||
* Extract a string's references to derivations and paths (its
|
||
* context) and write them to a text file, removing the input string
|
||
* itself from the dependency graph. This is useful when you want to
|
||
* make a derivation depend on the string's references, but not its
|
||
* contents (to avoid unnecessary rebuilds, for example).
|
||
*
|
||
* Note that this only works as intended on Nix >= 2.3.
|
||
*/
|
||
writeStringReferencesToFile = string:
|
||
/*
|
||
* The basic operation this performs is to copy the string context
|
||
* from `string' to a second string and wrap that string in a
|
||
* derivation. However, that alone is not enough, since nothing in the
|
||
* string refers to the output paths of the derivations/paths in its
|
||
* context, meaning they'll be considered build-time dependencies and
|
||
* removed from the wrapper derivation's closure. Putting the
|
||
* necessary output paths in the new string is however not very
|
||
* straightforward - the attrset returned by `getContext' contains
|
||
* only references to derivations' .drv-paths, not their output
|
||
* paths. In order to "convert" them, we try to extract the
|
||
* corresponding paths from the original string using regex.
|
||
*/
|
||
let
|
||
# Taken from https://github.com/NixOS/nix/blob/130284b8508dad3c70e8160b15f3d62042fc730a/src/libutil/hash.cc#L84
|
||
nixHashChars = "0123456789abcdfghijklmnpqrsvwxyz";
|
||
context = builtins.getContext string;
|
||
derivations = lib.filterAttrs (n: v: v ? outputs) context;
|
||
# Objects copied from outside of the store, such as paths and
|
||
# `builtins.fetch*`ed ones
|
||
sources = lib.attrNames (lib.filterAttrs (n: v: v ? path) context);
|
||
packages =
|
||
lib.mapAttrs'
|
||
(name: value:
|
||
{
|
||
inherit value;
|
||
name = lib.head (builtins.match "${builtins.storeDir}/[${nixHashChars}]+-(.*)\.drv" name);
|
||
})
|
||
derivations;
|
||
# The syntax of output paths differs between outputs named `out`
|
||
# and other, explicitly named ones. For explicitly named ones,
|
||
# the output name is suffixed as `-name`, but `out` outputs
|
||
# aren't suffixed at all, and thus aren't easily distinguished
|
||
# from named output paths. Therefore, we find all the named ones
|
||
# first so we can use them to remove false matches when looking
|
||
# for `out` outputs (see the definition of `outputPaths`).
|
||
namedOutputPaths =
|
||
lib.flatten
|
||
(lib.mapAttrsToList
|
||
(name: value:
|
||
(map
|
||
(output:
|
||
lib.filter
|
||
lib.isList
|
||
(builtins.split "(${builtins.storeDir}/[${nixHashChars}]+-${name}-${output})" string))
|
||
(lib.remove "out" value.outputs)))
|
||
packages);
|
||
# Only `out` outputs
|
||
outputPaths =
|
||
lib.flatten
|
||
(lib.mapAttrsToList
|
||
(name: value:
|
||
if lib.elem "out" value.outputs then
|
||
lib.filter
|
||
(x: lib.isList x &&
|
||
# If the matched path is in `namedOutputPaths`,
|
||
# it's a partial match of an output path where
|
||
# the output name isn't `out`
|
||
lib.all (o: !lib.hasPrefix (lib.head x) o) namedOutputPaths)
|
||
(builtins.split "(${builtins.storeDir}/[${nixHashChars}]+-${name})" string)
|
||
else
|
||
[])
|
||
packages);
|
||
allPaths = lib.concatStringsSep "\n" (lib.unique (sources ++ namedOutputPaths ++ outputPaths));
|
||
allPathsWithContext = builtins.appendContext allPaths context;
|
||
in
|
||
if builtins ? getContext then
|
||
writeText "string-references" allPathsWithContext
|
||
else
|
||
writeDirectReferencesToFile (writeText "string-file" string);
|
||
|
||
|
||
/* Print an error message if the file with the specified name and
|
||
* hash doesn't exist in the Nix store. This function should only
|
||
* be used by non-redistributable software with an unfree license
|
||
* that we need to require the user to download manually. It produces
|
||
* packages that cannot be built automatically.
|
||
*
|
||
* Examples:
|
||
*
|
||
* requireFile {
|
||
* name = "my-file";
|
||
* url = "http://example.com/download/";
|
||
* sha256 = "ffffffffffffffffffffffffffffffffffffffffffffffffffff";
|
||
* }
|
||
*/
|
||
requireFile = { name ? null
|
||
, sha256 ? null
|
||
, sha1 ? null
|
||
, url ? null
|
||
, message ? null
|
||
, hashMode ? "flat"
|
||
} :
|
||
assert (message != null) || (url != null);
|
||
assert (sha256 != null) || (sha1 != null);
|
||
assert (name != null) || (url != null);
|
||
let msg =
|
||
if message != null then message
|
||
else ''
|
||
Unfortunately, we cannot download file ${name_} automatically.
|
||
Please go to ${url} to download it yourself, and add it to the Nix store
|
||
using either
|
||
nix-store --add-fixed ${hashAlgo} ${name_}
|
||
or
|
||
nix-prefetch-url --type ${hashAlgo} file:///path/to/${name_}
|
||
'';
|
||
hashAlgo = if sha256 != null then "sha256" else "sha1";
|
||
hash = if sha256 != null then sha256 else sha1;
|
||
name_ = if name == null then baseNameOf (toString url) else name;
|
||
in
|
||
stdenvNoCC.mkDerivation {
|
||
name = name_;
|
||
outputHashMode = hashMode;
|
||
outputHashAlgo = hashAlgo;
|
||
outputHash = hash;
|
||
preferLocalBuild = true;
|
||
allowSubstitutes = false;
|
||
builder = writeScript "restrict-message" ''
|
||
source ${stdenvNoCC}/setup
|
||
cat <<_EOF_
|
||
|
||
***
|
||
${msg}
|
||
***
|
||
|
||
_EOF_
|
||
exit 1
|
||
'';
|
||
};
|
||
|
||
|
||
# Copy a path to the Nix store.
|
||
# Nix automatically copies files to the store before stringifying paths.
|
||
# If you need the store path of a file, ${copyPathToStore <path>} can be
|
||
# shortened to ${<path>}.
|
||
copyPathToStore = builtins.filterSource (p: t: true);
|
||
|
||
|
||
# Copy a list of paths to the Nix store.
|
||
copyPathsToStore = builtins.map copyPathToStore;
|
||
|
||
/* Applies a list of patches to a source directory.
|
||
*
|
||
* Examples:
|
||
*
|
||
* # Patching nixpkgs:
|
||
* applyPatches {
|
||
* src = pkgs.path;
|
||
* patches = [
|
||
* (pkgs.fetchpatch {
|
||
* url = "https://github.com/NixOS/nixpkgs/commit/1f770d20550a413e508e081ddc08464e9d08ba3d.patch";
|
||
* sha256 = "1nlzx171y3r3jbk0qhvnl711kmdk57jlq4na8f8bs8wz2pbffymr";
|
||
* })
|
||
* ];
|
||
* }
|
||
*/
|
||
applyPatches =
|
||
{ src
|
||
, name ? (if builtins.typeOf src == "path"
|
||
then builtins.baseNameOf src
|
||
else
|
||
if builtins.isAttrs src && builtins.hasAttr "name" src
|
||
then src.name
|
||
else throw "applyPatches: please supply a `name` argument because a default name can only be computed when the `src` is a path or is an attribute set with a `name` attribute."
|
||
) + "-patched"
|
||
, patches ? []
|
||
, postPatch ? ""
|
||
}: stdenvNoCC.mkDerivation {
|
||
inherit name src patches postPatch;
|
||
preferLocalBuild = true;
|
||
allowSubstitutes = false;
|
||
phases = "unpackPhase patchPhase installPhase";
|
||
installPhase = "cp -R ./ $out";
|
||
};
|
||
|
||
/* An immutable file in the store with a length of 0 bytes. */
|
||
emptyFile = runCommand "empty-file" {
|
||
outputHashAlgo = "sha256";
|
||
outputHashMode = "recursive";
|
||
outputHash = "0ip26j2h11n1kgkz36rl4akv694yz65hr72q4kv4b3lxcbi65b3p";
|
||
preferLocalBuild = true;
|
||
} "touch $out";
|
||
|
||
/* An immutable empty directory in the store. */
|
||
emptyDirectory = runCommand "empty-directory" {
|
||
outputHashAlgo = "sha256";
|
||
outputHashMode = "recursive";
|
||
outputHash = "0sjjj9z1dhilhpc8pq4154czrb79z9cm044jvn75kxcjv6v5l2m5";
|
||
preferLocalBuild = true;
|
||
} "mkdir $out";
|
||
}
|