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Merge pull request #204 from aherrmann/env
feat: add `env` and `env_inherit` attributes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| load("@bazel_skylib//rules:diff_test.bzl", "diff_test") | ||
| load("@rules_zig//zig:defs.bzl", "zig_binary", "zig_test") | ||
|
|
||
| zig_binary( | ||
| name = "binary", | ||
| env = {"ENV_ATTR": "42"}, | ||
| main = "main.zig", | ||
| ) | ||
|
|
||
| genrule( | ||
| name = "output", | ||
| outs = ["output.actual"], | ||
| cmd = "ENV_GENRULE=21 $(execpath :binary) > $(OUTS)", | ||
| tools = [":binary"], | ||
| ) | ||
|
|
||
| diff_test( | ||
| name = "output_test", | ||
| size = "small", | ||
| file1 = ":output.expected", | ||
| file2 = ":output.actual", | ||
| ) | ||
|
|
||
| zig_test( | ||
| name = "test", | ||
| size = "small", | ||
| env = {"ENV_ATTR": "42"}, | ||
| main = "main.zig", | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| const std = @import("std"); | ||
|
|
||
| pub fn main() !void { | ||
| var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator); | ||
| defer arena.deinit(); | ||
|
|
||
| const allocator = arena.allocator(); | ||
|
|
||
| const env_attr: ?[]const u8 = std.process.getEnvVarOwned(allocator, "ENV_ATTR") catch |e| switch (e) { | ||
| error.EnvironmentVariableNotFound => null, | ||
| else => |e_| return e_, | ||
| }; | ||
| defer if (env_attr) |value| allocator.free(value); | ||
|
|
||
| const env_genrule: ?[]const u8 = std.process.getEnvVarOwned(allocator, "ENV_GENRULE") catch |e| switch (e) { | ||
| error.EnvironmentVariableNotFound => null, | ||
| else => |e_| return e_, | ||
| }; | ||
| defer if (env_genrule) |value| allocator.free(value); | ||
|
|
||
| if (env_attr) |value| | ||
| try std.io.getStdOut().writer().print("ENV_ATTR: '{s}'\n", .{value}); | ||
| if (env_genrule) |value| | ||
| try std.io.getStdOut().writer().print("ENV_GENRULE: '{s}'\n", .{value}); | ||
| } | ||
|
|
||
| test "bazel controlled env var" { | ||
| const value = try std.process.getEnvVarOwned(std.testing.allocator, "ENV_ATTR"); | ||
| defer std.testing.allocator.free(value); | ||
|
|
||
| try std.testing.expectEqualStrings("42", value); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| ENV_GENRULE: '21' |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -10,5 +10,8 @@ zig_test( | |
| ], | ||
| csrcs = ["main.c"], | ||
| data = ["data.txt"], | ||
| env = { | ||
| "TARGET": "$(TARGET)", | ||
| }, | ||
| main = "main.zig", | ||
| ) | ||
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