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-rw-r--r--krebs/5pkgs/builders.nix293
-rw-r--r--krebs/5pkgs/default.nix4
-rw-r--r--krebs/5pkgs/writers.nix301
3 files changed, 304 insertions, 294 deletions
diff --git a/krebs/5pkgs/builders.nix b/krebs/5pkgs/builders.nix
deleted file mode 100644
index 49d04be4d..000000000
--- a/krebs/5pkgs/builders.nix
+++ /dev/null
@@ -1,293 +0,0 @@
-{ config, pkgs, ... }:
-with import <stockholm/lib>;
-rec {
- execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let
- in writeC name { inherit destination; } /* c */ ''
- #include <unistd.h>
-
- static char *const filename = ${toC filename};
-
- ${if argv == null
- then /* Propagate arguments */ /* c */ ''
- #define MAIN_ARGS int argc, char **argv
- ''
- else /* Provide fixed arguments */ /* c */ ''
- #define MAIN_ARGS void
- static char *const argv[] = ${toC (argv ++ [null])};
- ''}
-
- static char *const envp[] = ${toC (
- mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
- )};
-
- int main (MAIN_ARGS) {
- execve(filename, argv, envp);
- return -1;
- }
- '';
-
- execveBin = name: cfg: execve name (cfg // { destination = "/bin/${name}"; });
-
- makeScriptWriter = interpreter: name: text:
- assert (with types; either absolute-pathname filename).check name;
- pkgs.writeOut (baseNameOf name) {
- ${optionalString (types.absolute-pathname.check name) name} = {
- executable = true;
- text = "#! ${interpreter}\n${text}";
- };
- };
-
- writeBash = name: text:
- assert (with types; either absolute-pathname filename).check name;
- pkgs.writeOut (baseNameOf name) {
- ${optionalString (types.absolute-pathname.check name) name} = {
- check = pkgs.writeDash "shellcheck.sh" ''
- ${pkgs.haskellPackages.ShellCheck}/bin/shellcheck "$1" || :
- '';
- executable = true;
- text = "#! ${pkgs.bash}/bin/bash\n${text}";
- };
- };
-
- writeBashBin = name:
- assert types.filename.check name;
- pkgs.writeBash "/bin/${name}";
-
- writeC = name: { destination ? "" }: src: pkgs.runCommand name {} /* sh */ ''
- PATH=${makeBinPath (with pkgs; [
- binutils
- coreutils
- gcc
- ])}
- src=${pkgs.writeText "${name}.c" src}
- exe=$out${destination}
- mkdir -p "$(dirname "$exe")"
- gcc -O -Wall -o "$exe" $src
- strip --strip-unneeded "$exe"
- '';
-
- writeDash = makeScriptWriter "${pkgs.dash}/bin/dash";
-
- writeDashBin = name:
- assert types.filename.check name;
- pkgs.writeDash "/bin/${name}";
-
- writeEximConfig = name: text: pkgs.runCommand name {
- inherit text;
- passAsFile = [ "text" ];
- } /* sh */ ''
- # TODO validate exim config even with config.nix.useChroot == true
- # currently doing so will fail because "user exim was not found"
- #${pkgs.exim}/bin/exim -C "$textPath" -bV >/dev/null
- mv "$textPath" $out
- '';
-
- writeOut = name: specs0:
- let
- writers.link =
- { path
- , link
- }:
- assert path == "" || types.absolute-pathname.check path;
- assert types.package.check link;
- {
- install = /* sh */ ''
- ${optionalString (dirOf path != "/") /* sh */ ''
- ${pkgs.coreutils}/bin/mkdir -p $out${dirOf path}
- ''}
- ${pkgs.coreutils}/bin/ln -s ${link} $out${path}
- '';
- };
-
- writers.text =
- { path
- , check ? null
- , executable ? false
- , mode ? if executable then "0755" else "0644"
- , text
- }:
- assert path == "" || types.absolute-pathname.check path;
- assert types.bool.check executable;
- assert types.file-mode.check mode;
- rec {
- var = "file_${hashString "sha1" path}";
- val = text;
- install = /* sh */ ''
- ${optionalString (check != null) /* sh */ ''
- ${check} ''$${var}Path
- ''}
- ${pkgs.coreutils}/bin/install -m ${mode} -D ''$${var}Path $out${path}
- '';
- };
-
- write = spec: writers.${spec.type} (removeAttrs spec ["type"]);
-
- specs =
- mapAttrsToList
- (path: spec: let
- known-types = [ "link" "text" ];
- found-types = attrNames (getAttrs known-types spec);
- type = assert length found-types == 1; head found-types;
- in spec // { inherit path type; })
- specs0;
-
- files = map write specs;
-
- filevars = genAttrs' (filter (hasAttr "var") files)
- (spec: nameValuePair spec.var spec.val);
-
- env = filevars // { passAsFile = attrNames filevars; };
- in
- pkgs.runCommand name env /* sh */ ''
- set -efu
- ${concatMapStringsSep "\n" (getAttr "install") files}
- '';
-
- writeHaskell =
- k:
- let
- k' = parseDrvName k;
- name = k'.name;
- version = if k'.version != "" then k'.version else "0";
- in
- { base-depends ? ["base"]
- , executables ? {}
- , ghc-options ? ["-Wall" "-O3" "-threaded" "-rtsopts"]
- , haskellPackages ? pkgs.haskellPackages
- , library ? null
- , license ? "WTFPL"
- }:
- let
- isExecutable = executables != {};
- isLibrary = library != null;
-
- cabal-file = pkgs.writeText "${name}-${version}.cabal" /* cabal */ ''
- build-type: Simple
- cabal-version: >= 1.2
- name: ${name}
- version: ${version}
- ${concatStringsSep "\n" (mapAttrsToList exe-section executables)}
- ${optionalString isLibrary (lib-section library)}
- '';
-
- exe-install =
- exe-name:
- { file ? pkgs.writeText "${name}-${exe-name}.hs" text
- , relpath ? "${exe-name}.hs"
- , text
- , ... }:
- if types.filename.check exe-name
- then /* sh */ "install -D ${file} $out/${relpath}"
- else throw "argument ‘exe-name’ is not a ${types.filename.name}";
-
- exe-section =
- exe-name:
- { build-depends ? base-depends ++ extra-depends
- , extra-depends ? []
- , file ? pkgs.writeText "${name}-${exe-name}.hs" text
- , relpath ? "${exe-name}.hs"
- , text
- , ... }: /* cabal */ ''
- executable ${exe-name}
- build-depends: ${concatStringsSep "," build-depends}
- ghc-options: ${toString ghc-options}
- main-is: ${relpath}
- '';
-
- get-depends =
- { build-depends ? base-depends ++ extra-depends
- , extra-depends ? []
- , ...
- }:
- build-depends;
-
- lib-install =
- { exposed-modules
- , ... }:
- concatStringsSep "\n" (mapAttrsToList mod-install exposed-modules);
-
- lib-section =
- { build-depends ? base-depends ++ extra-depends
- , extra-depends ? []
- , exposed-modules
- , ... }: /* cabal */ ''
- library
- build-depends: ${concatStringsSep "," build-depends}
- ghc-options: ${toString ghc-options}
- exposed-modules: ${concatStringsSep "," (attrNames exposed-modules)}
- '';
-
- mod-install =
- mod-name:
- { file ? pkgs.writeText "${name}-${mod-name}.hs" text
- , relpath ? "${replaceStrings ["."] ["/"] mod-name}.hs"
- , text
- , ... }:
- if types.haskell.modid.check mod-name
- then /* sh */ "install -D ${file} $out/${relpath}"
- else throw "argument ‘mod-name’ is not a ${types.haskell.modid.name}";
- in
- haskellPackages.mkDerivation {
- inherit isExecutable isLibrary license version;
- executableHaskellDepends =
- attrVals
- (concatMap get-depends (attrValues executables))
- haskellPackages;
- libraryHaskellDepends =
- attrVals
- (optionals isLibrary (get-depends library))
- haskellPackages;
- pname = name;
- src = pkgs.runCommand "${name}-${version}-src" {} /* sh */ ''
- install -D ${cabal-file} $out/${cabal-file.name}
- ${optionalString isLibrary (lib-install library)}
- ${concatStringsSep "\n" (mapAttrsToList exe-install executables)}
- '';
- };
-
- writeJq = name: src: pkgs.runCommand name {} /* sh */ ''
- name=${assert types.filename.check name; name}
- src=${shell.escape src}
-
- # syntax check
- printf '%s' "$src" > src.jq
- ${pkgs.jq}/bin/jq -f src.jq < /dev/null
-
- cp src.jq "$out"
- '';
-
- writeJSON = name: value: pkgs.writeText name (toJSON value);
-
- writeNixFromCabal =
- trace (toString [
- "The function `writeNixFromCabal` has been deprecated in favour of"
- "`writeHaskell`."
- ])
- (name: path: pkgs.runCommand name {} /* sh */ ''
- ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
- '');
-
- writePython2 = name: src: pkgs.runCommand name {} /* sh */ ''
- name=${assert types.filename.check name; name}
- src=${shell.escape src}
-
- # syntax check
- printf '%s' "$src" > src.py
- ${pkgs.python2}/bin/python -m py_compile src.py
-
- cp src.py "$out"
- '';
-
- writePython3 = name: src: pkgs.runCommand name {} /* sh */ ''
- name=${assert types.filename.check name; name}
- src=${shell.escape src}
-
- # syntax check
- printf '%s' "$src" > src.py
- ${pkgs.python3}/bin/python -m py_compile src.py
-
- cp src.py "$out"
- '';
-
- writeSed = makeScriptWriter "${pkgs.gnused}/bin/sed -f";
-}
diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index ec9b6bdba..8bb244cd3 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -1,6 +1,9 @@
{ config, lib, pkgs, ... }@args:
with import <stockholm/lib>;
{
+ imports = [
+ ./writers.nix
+ ];
nixpkgs.config.packageOverrides = oldpkgs: let
# This callPackage will try to detect obsolete overrides.
@@ -15,7 +18,6 @@ with import <stockholm/lib>;
else override;
in {}
- // import ./builders.nix args
// mapAttrs (_: flip callPackage {})
(filterAttrs (_: dir: pathExists (dir + "/default.nix"))
(subdirsOf ./.))
diff --git a/krebs/5pkgs/writers.nix b/krebs/5pkgs/writers.nix
new file mode 100644
index 000000000..fe8fe5d72
--- /dev/null
+++ b/krebs/5pkgs/writers.nix
@@ -0,0 +1,301 @@
+{ pkgs, ... }:
+with import <stockholm/lib>;
+{
+ nixpkgs.config.packageOverrides = _: {
+ execve = name: { filename, argv ? null, envp ? {}, destination ? "" }: let
+ in pkgs.writeC name { inherit destination; } /* c */ ''
+ #include <unistd.h>
+
+ static char *const filename = ${toC filename};
+
+ ${if argv == null
+ then /* Propagate arguments */ /* c */ ''
+ #define MAIN_ARGS int argc, char **argv
+ ''
+ else /* Provide fixed arguments */ /* c */ ''
+ #define MAIN_ARGS void
+ static char *const argv[] = ${toC (argv ++ [null])};
+ ''}
+
+ static char *const envp[] = ${toC (
+ mapAttrsToList (k: v: "${k}=${v}") envp ++ [null]
+ )};
+
+ int main (MAIN_ARGS) {
+ execve(filename, argv, envp);
+ return -1;
+ }
+ '';
+
+ execveBin = name: cfg:
+ pkgs.execve name (cfg // { destination = "/bin/${name}"; });
+
+ makeScriptWriter = interpreter: name: text:
+ assert (with types; either absolute-pathname filename).check name;
+ pkgs.writeOut (baseNameOf name) {
+ ${optionalString (types.absolute-pathname.check name) name} = {
+ executable = true;
+ text = "#! ${interpreter}\n${text}";
+ };
+ };
+
+ writeBash = name: text:
+ assert (with types; either absolute-pathname filename).check name;
+ pkgs.writeOut (baseNameOf name) {
+ ${optionalString (types.absolute-pathname.check name) name} = {
+ check = pkgs.writeDash "shellcheck.sh" ''
+ ${pkgs.haskellPackages.ShellCheck}/bin/shellcheck "$1" || :
+ '';
+ executable = true;
+ text = "#! ${pkgs.bash}/bin/bash\n${text}";
+ };
+ };
+
+ writeBashBin = name:
+ assert types.filename.check name;
+ pkgs.writeBash "/bin/${name}";
+
+ writeC = name: { destination ? "" }: text: pkgs.runCommand name {
+ inherit text;
+ passAsFile = [ "text" ];
+ } /* sh */ ''
+ PATH=${makeBinPath (with pkgs; [
+ binutils
+ coreutils
+ gcc
+ ])}
+ exe=$out${destination}
+ mkdir -p "$(dirname "$exe")"
+ gcc -O -Wall -o "$exe" -x c "$textPath"
+ strip --strip-unneeded "$exe"
+ '';
+
+ writeDash = pkgs.makeScriptWriter "${pkgs.dash}/bin/dash";
+
+ writeDashBin = name:
+ assert types.filename.check name;
+ pkgs.writeDash "/bin/${name}";
+
+ writeEximConfig = name: text: pkgs.runCommand name {
+ inherit text;
+ passAsFile = [ "text" ];
+ } /* sh */ ''
+ # TODO validate exim config even with config.nix.useChroot == true
+ # currently doing so will fail because "user exim was not found"
+ #${pkgs.exim}/bin/exim -C "$textPath" -bV >/dev/null
+ mv "$textPath" $out
+ '';
+
+ writeOut = name: specs0:
+ let
+ writers.link =
+ { path
+ , link
+ }:
+ assert path == "" || types.absolute-pathname.check path;
+ assert types.package.check link;
+ {
+ install = /* sh */ ''
+ ${optionalString (dirOf path != "/") /* sh */ ''
+ ${pkgs.coreutils}/bin/mkdir -p $out${dirOf path}
+ ''}
+ ${pkgs.coreutils}/bin/ln -s ${link} $out${path}
+ '';
+ };
+
+ writers.text =
+ { path
+ , check ? null
+ , executable ? false
+ , mode ? if executable then "0755" else "0644"
+ , text
+ }:
+ assert path == "" || types.absolute-pathname.check path;
+ assert types.bool.check executable;
+ assert types.file-mode.check mode;
+ rec {
+ var = "file_${hashString "sha1" path}";
+ val = text;
+ install = /* sh */ ''
+ ${optionalString (check != null) /* sh */ ''
+ ${check} ''$${var}Path
+ ''}
+ ${pkgs.coreutils}/bin/install \
+ -m ${mode} \
+ -D \
+ ''$${var}Path $out${path}
+ '';
+ };
+
+ write = spec: writers.${spec.type} (removeAttrs spec ["type"]);
+
+ specs =
+ mapAttrsToList
+ (path: spec: let
+ known-types = [ "link" "text" ];
+ found-types = attrNames (getAttrs known-types spec);
+ type = assert length found-types == 1; head found-types;
+ in spec // { inherit path type; })
+ specs0;
+
+ files = map write specs;
+
+ filevars = genAttrs' (filter (hasAttr "var") files)
+ (spec: nameValuePair spec.var spec.val);
+
+ env = filevars // { passAsFile = attrNames filevars; };
+ in
+ pkgs.runCommand name env /* sh */ ''
+ set -efu
+ ${concatMapStringsSep "\n" (getAttr "install") files}
+ '';
+
+ writeHaskell =
+ k:
+ let
+ k' = parseDrvName k;
+ name = k'.name;
+ version = if k'.version != "" then k'.version else "0";
+ in
+ { base-depends ? ["base"]
+ , executables ? {}
+ , ghc-options ? ["-Wall" "-O3" "-threaded" "-rtsopts"]
+ , haskellPackages ? pkgs.haskellPackages
+ , library ? null
+ , license ? "WTFPL"
+ }:
+ let
+ isExecutable = executables != {};
+ isLibrary = library != null;
+
+ cabal-file = pkgs.writeText "${name}-${version}.cabal" /* cabal */ ''
+ build-type: Simple
+ cabal-version: >= 1.2
+ name: ${name}
+ version: ${version}
+ ${concatStringsSep "\n" (mapAttrsToList exe-section executables)}
+ ${optionalString isLibrary (lib-section library)}
+ '';
+
+ exe-install =
+ exe-name:
+ { file ? pkgs.writeText "${name}-${exe-name}.hs" text
+ , relpath ? "${exe-name}.hs"
+ , text
+ , ... }:
+ if types.filename.check exe-name
+ then /* sh */ "install -D ${file} $out/${relpath}"
+ else throw "argument ‘exe-name’ is not a ${types.filename.name}";
+
+ exe-section =
+ exe-name:
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , file ? pkgs.writeText "${name}-${exe-name}.hs" text
+ , relpath ? "${exe-name}.hs"
+ , text
+ , ... }: /* cabal */ ''
+ executable ${exe-name}
+ build-depends: ${concatStringsSep "," build-depends}
+ ghc-options: ${toString ghc-options}
+ main-is: ${relpath}
+ '';
+
+ get-depends =
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , ...
+ }:
+ build-depends;
+
+ lib-install =
+ { exposed-modules
+ , ... }:
+ concatStringsSep "\n" (mapAttrsToList mod-install exposed-modules);
+
+ lib-section =
+ { build-depends ? base-depends ++ extra-depends
+ , extra-depends ? []
+ , exposed-modules
+ , ... }: /* cabal */ ''
+ library
+ build-depends: ${concatStringsSep "," build-depends}
+ ghc-options: ${toString ghc-options}
+ exposed-modules: ${concatStringsSep "," (attrNames exposed-modules)}
+ '';
+
+ mod-install =
+ mod-name:
+ { file ? pkgs.writeText "${name}-${mod-name}.hs" text
+ , relpath ? "${replaceStrings ["."] ["/"] mod-name}.hs"
+ , text
+ , ... }:
+ if types.haskell.modid.check mod-name
+ then /* sh */ "install -D ${file} $out/${relpath}"
+ else throw "argument ‘mod-name’ is not a ${types.haskell.modid.name}";
+ in
+ haskellPackages.mkDerivation {
+ inherit isExecutable isLibrary license version;
+ executableHaskellDepends =
+ attrVals
+ (concatMap get-depends (attrValues executables))
+ haskellPackages;
+ libraryHaskellDepends =
+ attrVals
+ (optionals isLibrary (get-depends library))
+ haskellPackages;
+ pname = name;
+ src = pkgs.runCommand "${name}-${version}-src" {} /* sh */ ''
+ install -D ${cabal-file} $out/${cabal-file.name}
+ ${optionalString isLibrary (lib-install library)}
+ ${concatStringsSep "\n" (mapAttrsToList exe-install executables)}
+ '';
+ };
+
+ writeJq = name: text:
+ assert (with types; either absolute-pathname filename).check name;
+ pkgs.writeOut (baseNameOf name) {
+ ${optionalString (types.absolute-pathname.check name) name} = {
+ check = pkgs.writeDash "jqcheck.sh" ''
+ exec ${pkgs.jq}/bin/jq -f "$1" -n
+ '';
+ inherit text;
+ };
+ };
+
+ writeJSON = name: value: pkgs.writeText name (toJSON value);
+
+ writeNixFromCabal =
+ trace (toString [
+ "The function `writeNixFromCabal` has been deprecated in favour of"
+ "`writeHaskell`."
+ ])
+ (name: path: pkgs.runCommand name {} /* sh */ ''
+ ${pkgs.cabal2nix}/bin/cabal2nix ${path} > $out
+ '');
+
+ writePython2 = name: text:
+ assert (with types; either absolute-pathname filename).check name;
+ pkgs.writeOut (baseNameOf name) {
+ ${optionalString (types.absolute-pathname.check name) name} = {
+ check = pkgs.writeDash "python2check.sh" ''
+ exec ${pkgs.python2}/bin/python -m py_compile "$1"
+ '';
+ inherit text;
+ };
+ };
+
+ writePython3 = name: text:
+ assert (with types; either absolute-pathname filename).check name;
+ pkgs.writeOut (baseNameOf name) {
+ ${optionalString (types.absolute-pathname.check name) name} = {
+ check = pkgs.writeDash "python3check.sh" ''
+ exec ${pkgs.python3}/bin/python -m py_compile "$textPath"
+ '';
+ inherit text;
+ };
+ };
+
+ writeSed = pkgs.makeScriptWriter "${pkgs.gnused}/bin/sed -f";
+ };
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 21:55:14 +0000