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beamPackages.buildMix: update to use fixed point

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This commit is contained in:
Adam C. Stephens
2026-02-12 23:09:29 -05:00
parent 29dd3361a0
commit 8bdef3ae03
5 changed files with 149 additions and 147 deletions
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pkgs/development/beam-modules/build-mix.nix
+99 -129
View File
@@ -1,64 +1,46 @@
{
stdenv,
writeText,
elixir,
erlang,
hex,
lib,
mixConfigureHook,
stdenv,
writeText,
}:
{
name,
version,
src,
buildInputs ? [ ],
nativeBuildInputs ? [ ],
erlangCompilerOptions ? [ ],
# Deterministic Erlang builds remove full system paths from debug information
# among other things to keep builds more reproducible. See their docs for more:
# https://www.erlang.org/doc/man/compile
erlangDeterministicBuilds ? true,
beamDeps ? [ ],
propagatedBuildInputs ? [ ],
postPatch ? "",
compilePorts ? false,
meta ? { },
enableDebugInfo ? false,
mixEnv ? "prod",
mixTarget ? "host",
removeConfig ? true,
# A config directory that is considered for all the dependencies of an app, typically in $src/config/
# This was initially added, as some of Mobilizon's dependencies need to access the config at build time.
appConfigPath ? null,
...
}@attrs:
assert appConfigPath != null -> removeConfig;
let
shell =
drv:
stdenv.mkDerivation {
name = "interactive-shell-${drv.name}";
buildInputs = [ drv ];
};
pkg =
self:
stdenv.mkDerivation (
attrs
// {
name = "${name}-${version}";
inherit version src;
lib.extendMkDerivation {
constructDrv = stdenv.mkDerivation;
excludeDrvArgNames = [
"mixEnv"
];
extendDrvArgs =
finalAttrs:
{
nativeBuildInputs ? [ ],
propagatedBuildInputs ? [ ],
passthru ? { },
mixEnv ? "prod",
mixTarget ? "host",
enableDebugInfo ? false,
# A handful of libraries require compile time configuration
appConfigPath ? null,
erlangCompilerOptions ? [ ],
# Deterministic Erlang builds remove full system paths from debug information
# among other things to keep builds more reproducible. See their docs for more:
# https://www.erlang.org/doc/man/compile
erlangDeterministicBuilds ? true,
beamDeps ? [ ],
...
}@args:
{
name = "erlang-${erlang.version}-${args.name}-${finalAttrs.version}";
env = {
MIX_ENV = mixEnv;
MIX_TARGET = mixTarget;
MIX_BUILD_PREFIX = (if mixTarget == "host" then "" else "${mixTarget}_") + "${mixEnv}";
MIX_DEBUG = if enableDebugInfo then 1 else 0;
HEX_OFFLINE = 1;
__darwinAllowLocalNetworking = true;
ERL_COMPILER_OPTIONS =
let
options = erlangCompilerOptions ++ lib.optionals erlangDeterministicBuilds [ "deterministic" ];
@@ -67,93 +49,81 @@ let
LANG = if stdenv.hostPlatform.isLinux then "C.UTF-8" else "C";
LC_CTYPE = if stdenv.hostPlatform.isLinux then "C.UTF-8" else "UTF-8";
__darwinAllowLocalNetworking = true;
};
# add to ERL_LIBS so other modules can find at runtime.
# http://erlang.org/doc/man/code.html#code-path
# Mix also searches the code path when compiling with the --no-deps-check flag
setupHook = attrs.setupHook or writeText "setupHook.sh" ''
addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
# add to ERL_LIBS so other modules can find at runtime.
# http://erlang.org/doc/man/code.html#code-path
# Mix also searches the code path when compiling with the --no-deps-check flag
# This is used by package builders such as mixRelease
setupHook = writeText "setupHook.sh" ''
addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
'';
nativeBuildInputs = nativeBuildInputs ++ [
elixir
hex
mixConfigureHook
];
propagatedBuildInputs = propagatedBuildInputs ++ beamDeps;
# We don't want to include whatever config a dependency brings; per
# https://hexdocs.pm/elixir/main/Config.html, config is application specific.
patchPhase =
args.patchPhase or (
''
runHook prePatch
rm -rf config
''
+ lib.optionalString (!isNull appConfigPath) ''
cp -r ${appConfigPath} config
''
+ ''
runHook postPatch
''
);
buildPhase =
args.buildPhase or ''
runHook preBuild
export HEX_HOME="$TEMPDIR/hex"
export MIX_HOME="$TEMPDIR/mix"
mix compile --no-deps-check
runHook postBuild
'';
buildInputs = buildInputs ++ [ ];
nativeBuildInputs = nativeBuildInputs ++ [
elixir
hex
];
propagatedBuildInputs = propagatedBuildInputs ++ beamDeps;
installPhase =
args.installPhase or ''
runHook preInstall
configurePhase =
attrs.configurePhase or ''
runHook preConfigure
# This uses the install path convention established by nixpkgs maintainers
# for all beam packages. Changing this will break compatibility with other
# builder functions like buildRebar3 and buildErlangMk.
mkdir -p "$out/lib/erlang/lib/${finalAttrs.name}-${finalAttrs.version}-${args.version}"
${./mix-configure-hook.sh}
${lib.optionalString (removeConfig && isNull appConfigPath)
# By default, we don't want to include whatever config a dependency brings; per
# https://hexdocs.pm/elixir/main/Config.html, config is application specific.
''
rm -rf config
mkdir config
''
}
${lib.optionalString (!isNull appConfigPath)
# Some more tightly-coupled dependencies do depend on the config of the application
# they're being built for.
''
rm -rf config
cp -r ${appConfigPath} config
''
}
# Some packages like db_connection will use _build/shared instead of
# honoring the $MIX_ENV variable.
for reldir in _build/{$MIX_BUILD_PREFIX,shared}/lib/${finalAttrs.name}-${finalAttrs.version}/{src,ebin,priv,include} ; do
if test -d $reldir ; then
# Some builds produce symlinks (eg: phoenix priv dircetory). They must
# be followed with -H flag.
cp -Hrt "$out/lib/erlang/lib/${finalAttrs.name}-${finalAttrs.version}" "$reldir"
fi
done
runHook postConfigure
'';
runHook postInstall
'';
buildPhase =
attrs.buildPhase or ''
runHook preBuild
export HEX_HOME="$TEMPDIR/hex"
export MIX_HOME="$TEMPDIR/mix"
mix compile --no-deps-check
runHook postBuild
'';
# stripping does not have any effect on beam files
# it is however needed for dependencies with NIFs like bcrypt for example
dontStrip = args.dontStrip or false;
installPhase =
attrs.installPhase or ''
runHook preInstall
# This uses the install path convention established by nixpkgs maintainers
# for all beam packages. Changing this will break compatibility with other
# builder functions like buildRebar3 and buildErlangMk.
mkdir -p "$out/lib/erlang/lib/${name}-${version}"
# Some packages like db_connection will use _build/shared instead of
# honoring the $MIX_ENV variable.
for reldir in _build/{$MIX_BUILD_PREFIX,shared}/lib/${name}/{src,ebin,priv,include} ; do
if test -d $reldir ; then
# Some builds produce symlinks (eg: phoenix priv dircetory). They must
# be followed with -H flag.
cp -Hrt "$out/lib/erlang/lib/${name}-${version}" "$reldir"
fi
done
# Copy the source so it can be used by dependent packages. For example,
# phoenix applications need the source of phoenix and phoenix_html to
# build javascript and css assets.
mkdir -p $out/src
cp -r "$src/." "$out/src"
runHook postInstall
'';
# stripping does not have any effect on beam files
# it is however needed for dependencies with NIFs like bcrypt for example
dontStrip = false;
passthru = {
packageName = name;
env = shell self;
inherit beamDeps;
};
passthru = {
inherit beamDeps;
}
);
in
lib.fix pkg
// passthru;
};
}
pkgs/development/beam-modules/default.nix
+8
View File
@@ -11,6 +11,9 @@ let
callPackageWithScope =
scope: drv: args:
lib.callPackageWith scope drv args;
callPackagesWithScope =
scope: drv: args:
lib.callPackagesWith scope drv args;
mkScope = scope: pkgs // scope;
packages =
@@ -18,6 +21,7 @@ let
let
defaultScope = mkScope self;
callPackage = drv: args: callPackageWithScope defaultScope drv args;
callPackages = drv: args: callPackagesWithScope defaultScope drv args;
in
rec {
inherit callPackage erlang;
@@ -95,6 +99,10 @@ let
# without helper functions buildRebar3 and buildMix.
hex = callPackage ./hex { };
webdriver = callPackage ./webdriver { };
inherit (callPackages ./hooks { })
mixConfigureHook
;
};
in
makeExtensible packages
pkgs/development/beam-modules/hooks/default.nix
+8
View File
@@ -0,0 +1,8 @@
{
makeSetupHook,
}:
{
mixConfigureHook = makeSetupHook {
name = "mix-configure-hook.sh";
} ./mix-configure-hook.sh;
}
pkgs/development/beam-modules/hooks/mix-configure-hook.sh
Executable
+34
View File
@@ -0,0 +1,34 @@
# shellcheck shell=bash
mixConfigureHook() {
echo "Executing mixConfigureHook"
runHook preConfigure
# Copy the source so it can be used by mix projects
# do this before building to avoid build artifacts but after patching
# to include any modifications
mkdir -p "$out/src"
cp -r "." "$out/src"
# Symlink all dependencies found in ERL_LIBS since Elixir does not honor ERL_LIBS
mkdir -p _build/"$MIX_BUILD_PREFIX"/lib
while read -r -d ':' lib; do
for dir in "$lib"/*; do
# Strip version number for directory name if it exists, so naming of
# all libs matches what mix's expectation.
dest=$(basename "$dir" | cut -d '-' -f1)
build_dir="_build/$MIX_BUILD_PREFIX/lib/$dest"
((MIX_DEBUG == 1)) && echo "Linking $dir to $build_dir"
# Symlink libs to _build so that mix can find them when compiling.
# This is what allows mix to compile the package without searching
# for dependencies over the network.
ln -s "$dir" "$build_dir"
done
done <<<"$ERL_LIBS:"
runHook postConfigure
}
if [ -z "${dontCargoConfigure-}" ] && [ -z "${configurePhase-}" ]; then
configurePhase=mixConfigureHook
fi
pkgs/development/beam-modules/mix-configure-hook.sh
-18
View File
@@ -1,18 +0,0 @@
# shellcheck shell=bash
# this hook will symlink all dependencies found in ERL_LIBS
# since Elixir 1.12.2 elixir does not look into ERL_LIBS for
# elixir depencencies anymore, so those have to be symlinked to the _build directory
mkdir -p _build/"$MIX_BUILD_PREFIX"/lib
while read -r -d ':' lib; do
for dir in "$lib"/*; do
# Strip version number for directory name if it exists, so naming of
# all libs matches what mix's expectation.
dest=$(basename "$dir" | cut -d '-' -f1)
build_dir="_build/$MIX_BUILD_PREFIX/lib/$dest"
((MIX_DEBUG == 1)) && echo "Linking $dir to $build_dir"
# Symlink libs to _build so that mix can find them when compiling.
# This is what allows mix to compile the package without searching
# for dependencies over the network.
ln -s "$dir" "$build_dir"
done
done <<< "$ERL_LIBS:"