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
|
{ stdenv, buildBazelPackage, lib, fetchFromGitHub, git, jre, makeWrapper }:
buildBazelPackage rec {
name = "bazel-deps-${version}";
version = "2018-08-16";
meta = with stdenv.lib; {
homepage = "https://github.com/johnynek/bazel-deps";
description = "Generate bazel dependencies for maven artifacts";
license = licenses.mit;
maintainers = [ maintainers.uri-canva ];
platforms = platforms.all;
};
src = fetchFromGitHub {
owner = "johnynek";
repo = "bazel-deps";
rev = "942a0b03cbf159dd6e0f0f40787d6d8e4e832d81";
sha256 = "0ls2jvz9cxa169a8pbbykv2d4dik4ipf7dj1lkqx5g0ss7lgs6q5";
};
bazelTarget = "//src/scala/com/github/johnynek/bazel_deps:parseproject_deploy.jar";
buildInputs = [ git makeWrapper ];
fetchAttrs = {
preInstall = ''
# Remove all built in external workspaces, Bazel will recreate them when building
rm -rf $bazelOut/external/{bazel_tools,\@bazel_tools.marker,embedded_jdk,\@embedded_jdk.marker,local_*,\@local_*}
# For each external workspace, remove all files that aren't referenced by Bazel
# Many of these files are non-hermetic (for example .git/refs/remotes/origin/HEAD)
files_to_delete=()
for workspace in $(find $bazelOut/external -maxdepth 2 -name "WORKSPACE" -print0 | xargs -0L1 dirname); do
workspaceOut="$NIX_BUILD_TOP/workspaces/$(basename workspace)/output"
workspaceUserRoot="$NIX_BUILD_TOP/workspaces/$(basename workspace)/tmp"
rm -rf $workspace/.git
if ! targets_and_files=$(cd "$workspace" && bazel --output_base="$workspaceOut" --output_user_root="$workspaceUserRoot" query '//...:*' 2> /dev/null | sort -u); then
continue
fi
if ! targets=$(cd "$workspace" && bazel --output_base="$workspaceOut" --output_user_root="$workspaceUserRoot" query '//...:all' 2> /dev/null | sort -u); then
continue
fi
mapfile -t referenced_files < <(comm -23 <(printf '%s' "$targets_and_files") <(printf '%s' "$targets") | sed -e 's,^//:,,g' | sed -e 's,^//,,g' | sed -e 's,:,/,g')
referenced_files+=( "WORKSPACE" )
for referenced_file in "''${referenced_files[@]}"; do
# Some of the referenced files are symlinks to non-referenced files.
# The symlink targets have deterministic contents, but non-deterministic
# paths. Copy them to the referenced path, which is deterministic.
if target=$(readlink "$workspace/$referenced_file"); then
rm "$workspace/$referenced_file"
cp -a "$target" "$workspace/$referenced_file"
fi
done
mapfile -t workspace_files_to_delete < <(find "$workspace" -type f -or -type l | sort -u | comm -23 - <(printf "$workspace/%s\n" "''${referenced_files[@]}" | sort -u))
for workspace_file_to_delete in "''${workspace_files_to_delete[@]}"; do
files_to_delete+=("$workspace_file_to_delete")
done
# We're running bazel in many different workspaces in a loop. Letting the
# daemon shut down on its own would leave several daemons alive at the
# same time, using up a lot of memory. Shut them down explicitly instead.
bazel --output_base="$workspaceOut" --output_user_root="$workspaceUserRoot" shutdown 2> /dev/null
done
for file_to_delete in "''${files_to_delete[@]}"; do
rm "$file_to_delete"
done
find . -type d -empty -delete
'';
sha256 = "0jkzf1hay0h8ksk9lhfvdliac6c5d7nih934i1xjbrn6zqlivy19";
};
buildAttrs = {
installPhase = ''
mkdir -p $out/bin/bazel-bin/src/scala/com/github/johnynek/bazel_deps
cp gen_maven_deps.sh $out/bin
wrapProgram "$out/bin/gen_maven_deps.sh" --set JAVA_HOME "${jre}" --prefix PATH : ${lib.makeBinPath [ jre ]}
cp bazel-bin/src/scala/com/github/johnynek/bazel_deps/parseproject_deploy.jar $out/bin/bazel-bin/src/scala/com/github/johnynek/bazel_deps
'';
};
}
|