foxgirl.engineering
tools for building gleam projects with nix
buildGleamApplication: add support for building apps targeting javascript
+2
-1
CHANGELOG.md
+2
-1
CHANGELOG.md
···
12
13
### added
14
15
+
- javascript target support
16
+
- `target` argument in `buildGleam` and `buildGleamApplication` can be used to specify either erlang or javascript targets
17
- add `override` function to derivations produced by `buildGleam` and `buildGleamApplication`
18
19
## v1.0.0 - 2025-09-25
+30
-10
nix/build-gleam-application.nix
+30
-10
nix/build-gleam-application.nix
···
28
erlang ? inputs.erlang,
29
gleam ? inputs.gleam,
30
31
buildGleamArgs ? { },
32
gleamNixOverrides ? _: _: { },
33
...
···
49
};
50
51
withApplication = scope.overrideScope (
52
-
_: prev: {
53
${pname} = buildGleam (
54
buildGleamArgs
55
// {
56
name = pname;
57
inherit version src;
58
beamDeps = derivationList prev;
59
-
inherit erlang gleam;
60
}
61
);
62
}
···
73
) args;
74
in
75
76
stdenv.mkDerivation (
77
filteredArgs
78
// {
···
88
89
buildPhase = ''
90
runHook preBuild
91
-
gleam-tool entrypoint ${pname}
92
runHook postBuild
93
'';
94
95
installPhase = ''
96
runHook preInstall
97
98
-
mkdir -p $out/{bin,lib/entrypoint/ebin}
99
-
${lib.concatMapStringsSep "\n" (
100
-
package: "ln -s ${package}/lib/erlang/lib/* $out/lib/"
101
-
) compiledPackages}
102
103
-
mv gleam_entrypoint.beam $out/lib/entrypoint/ebin
104
105
-
makeWrapper ${erlang}/bin/erl $out/bin/${pname} --add-flags \
106
-
"-pa $out/lib/*/ebin -eval \"gleam_entrypoint:run()\" -noshell -extra"
107
108
runHook postInstall
109
'';
···
28
erlang ? inputs.erlang,
29
gleam ? inputs.gleam,
30
31
+
target ? "erlang",
32
buildGleamArgs ? { },
33
gleamNixOverrides ? _: _: { },
34
...
···
50
};
51
52
withApplication = scope.overrideScope (
53
+
_: prev:
54
+
(lib.mapAttrs (_: dep: dep.override { inherit target; }) prev)
55
+
// {
56
${pname} = buildGleam (
57
buildGleamArgs
58
// {
59
name = pname;
60
inherit version src;
61
beamDeps = derivationList prev;
62
+
inherit erlang gleam target;
63
}
64
);
65
}
···
76
) args;
77
in
78
79
+
assert lib.assertOneOf "target" target [
80
+
"erlang"
81
+
"javascript"
82
+
];
83
+
84
stdenv.mkDerivation (
85
filteredArgs
86
// {
···
96
97
buildPhase = ''
98
runHook preBuild
99
+
gleam-tool entrypoint ${target}
100
runHook postBuild
101
'';
102
103
installPhase = ''
104
runHook preInstall
105
106
+
${
107
+
if target == "erlang" then
108
+
''
109
+
mkdir -p $out/{bin,lib/entrypoint/ebin}
110
+
${lib.concatMapStringsSep "\n" (
111
+
package: "ln -s ${package}/lib/erlang/lib/* $out/lib/"
112
+
) compiledPackages}
113
114
+
mv gleam_entrypoint.beam $out/lib/entrypoint/ebin
115
116
+
makeWrapper ${erlang}/bin/erl $out/bin/${pname} --add-flags \
117
+
"-pa $out/lib/*/ebin -eval \"gleam_entrypoint:run()\" -noshell -extra"
118
+
''
119
+
else
120
+
''
121
+
mkdir -p $out/lib
122
+
${lib.concatMapStringsSep "\n" (package: "ln -s ${package}/* $out/lib/") compiledPackages}
123
+
124
+
mv gleam_entrypoint.mjs $out/lib/
125
+
''
126
+
}
127
128
runHook postInstall
129
'';