1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
{ go, govers, parallel, lib, fetchgit, fetchhg }:
{ name, buildInputs ? [], nativeBuildInputs ? [], passthru ? {}, preFixup ? ""
# We want parallel builds by default
, enableParallelBuilding ? true
# Disabled flag
, disabled ? false
# Go import path of the package
, goPackagePath
# Go package aliases
, goPackageAliases ? [ ]
# Extra sources to include in the gopath
, extraSrcs ? [ ]
# go2nix dependency file
, goDeps ? null
, dontRenameImports ? false
# Do not enable this without good reason
# IE: programs coupled with the compiler
, allowGoReference ? false
, meta ? {}, ... } @ args':
if disabled then throw "${name} not supported for go ${go.meta.branch}" else
with builtins;
let
args = lib.filterAttrs (name: _: name != "extraSrcs") args';
removeReferences = [ ] ++ lib.optional (!allowGoReference) go;
removeExpr = refs: lib.flip lib.concatMapStrings refs (ref: ''
| sed "s,${ref},$(echo "${ref}" | sed "s,$NIX_STORE/[^-]*,$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee,"),g" \
'');
dep2src = goDep:
{
inherit (goDep) goPackagePath;
src = if goDep.fetch.type == "git" then
fetchgit {
inherit (goDep.fetch) url rev sha256;
}
else if goDep.fetch.type == "hg" then
fetchhg {
inherit (goDep.fetch) url rev sha256;
}
else abort "Unrecognized package fetch type";
};
importGodeps = { depsFile }:
map dep2src (import depsFile);
goPath = if goDeps != null then importGodeps { depsFile = goDeps; } ++ extraSrcs
else extraSrcs;
in
go.stdenv.mkDerivation (
(builtins.removeAttrs args [ "goPackageAliases" "disabled" ]) // {
name = "go${go.meta.branch}-${name}";
nativeBuildInputs = [ go parallel ]
++ (lib.optional (!dontRenameImports) govers) ++ nativeBuildInputs;
buildInputs = [ go ] ++ buildInputs;
configurePhase = args.configurePhase or ''
runHook preConfigure
# Extract the source
cd "$NIX_BUILD_TOP"
mkdir -p "go/src/$(dirname "$goPackagePath")"
mv "$sourceRoot" "go/src/$goPackagePath"
'' + lib.flip lib.concatMapStrings goPath ({ src, goPackagePath }: ''
mkdir goPath
(cd goPath; unpackFile "${src}")
mkdir -p "go/src/$(dirname "${goPackagePath}")"
chmod -R u+w goPath/*
mv goPath/* "go/src/${goPackagePath}"
rmdir goPath
'') + ''
export GOPATH=$NIX_BUILD_TOP/go:$GOPATH
runHook postConfigure
'';
renameImports = args.renameImports or (
let
inputsWithAliases = lib.filter (x: x ? goPackageAliases)
(buildInputs ++ (args.propagatedBuildInputs or [ ]));
rename = to: from: "echo Renaming '${from}' to '${to}'; govers -d -m ${from} ${to}";
renames = p: lib.concatMapStringsSep "\n" (rename p.goPackagePath) p.goPackageAliases;
in lib.concatMapStringsSep "\n" renames inputsWithAliases);
buildPhase = args.buildPhase or ''
runHook preBuild
runHook renameImports
buildGoDir() {
local d; local cmd;
cmd="$1"
d="$2"
echo "$d" | grep -q "\(/_\|examples\|Godeps\)" && return 0
[ -n "$excludedPackages" ] && echo "$d" | grep -q "$excludedPackages" && return 0
local OUT
if ! OUT="$(go $cmd $buildFlags "''${buildFlagsArray[@]}" -v $d 2>&1)"; then
if ! echo "$OUT" | grep -q 'no buildable Go source files'; then
echo "$OUT" >&2
return 1
fi
fi
if [ -n "$OUT" ]; then
echo "$OUT" >&2
fi
return 0
}
getGoDirs() {
local type;
type="$1"
if [ -n "$subPackages" ]; then
echo "$subPackages" | sed "s,\(^\| \),\1$goPackagePath/,g"
else
pushd go/src >/dev/null
find "$goPackagePath" -type f -name \*$type.go -exec dirname {} \; | grep -v "/vendor/" | sort | uniq
popd >/dev/null
fi
}
export -f buildGoDir # parallel needs to see the function
if [ -z "$enableParallelBuilding" ]; then
export NIX_BUILD_CORES=1
fi
getGoDirs "" | parallel -j $NIX_BUILD_CORES buildGoDir install
runHook postBuild
'';
checkPhase = args.checkPhase or ''
runHook preCheck
getGoDirs test | parallel -j $NIX_BUILD_CORES buildGoDir test
runHook postCheck
'';
installPhase = args.installPhase or ''
runHook preInstall
mkdir -p $out
pushd "$NIX_BUILD_TOP/go"
while read f; do
echo "$f" | grep -q '^./\(src\|pkg/[^/]*\)/${goPackagePath}' || continue
mkdir -p "$(dirname "$out/share/go/$f")"
cp "$NIX_BUILD_TOP/go/$f" "$out/share/go/$f"
done < <(find . -type f)
popd
mkdir -p $bin
dir="$NIX_BUILD_TOP/go/bin"
[ -e "$dir" ] && cp -r $dir $bin
runHook postInstall
'';
preFixup = preFixup + ''
while read file; do
cat $file ${removeExpr removeReferences} > $file.tmp
mv $file.tmp $file
chmod +x $file
done < <(find $bin/bin -type f 2>/dev/null)
'';
shellHook = ''
d=$(mktemp -d "--suffix=-$name")
'' + toString (map (dep: ''
mkdir -p "$d/src/$(dirname "${dep.goPackagePath}")"
ln -s "${dep.src}" "$d/src/${dep.goPackagePath}"
''
) goPath) + ''
export GOPATH="$d:$GOPATH"
'';
disallowedReferences = lib.optional (!allowGoReference) go
++ lib.optional (!dontRenameImports) govers;
passthru = passthru //
{ inherit go; } //
lib.optionalAttrs (goPackageAliases != []) { inherit goPackageAliases; };
enableParallelBuilding = enableParallelBuilding;
# I prefer to call this dev but propagatedBuildInputs expects $out to exist
outputs = args.outputs or [ "bin" "out" ];
meta = {
# Add default meta information
platforms = lib.platforms.all;
} // meta // {
# add an extra maintainer to every package
maintainers = (meta.maintainers or []) ++
[ lib.maintainers.ehmry lib.maintainers.lethalman ];
};
})
|