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const builtin = @import("builtin");
const std = @import("std");
const Build = std.Build;
const SemanticVersion = std.SemanticVersion;
pub fn build(b: *Build) void {
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const version = getVersion(b);
const config = b.addOptions();
config.addOption(SemanticVersion, "version", version);
const clap = b.dependency("clap", .{});
const libarchive = b.dependency("libarchive", .{});
const xdg = b.dependency("xdg", .{});
const exe = b.addExecutable(.{
.name = "zup",
.version = version,
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
exe.root_module.addOptions("zup-config", config);
exe.root_module.addImport("clap", clap.module("clap"));
exe.root_module.addImport("libarchive", libarchive.module("libarchive"));
exe.root_module.addImport("xdg", xdg.module("xdg"));
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
const exe_tests = b.addTest(.{
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&exe_tests.step);
}
const default_version = SemanticVersion.parse("0.5.0") catch unreachable;
fn getVersion(b: *Build) SemanticVersion {
var out_code: u8 = undefined;
const untrimmed = b.runAllowFail(
&.{ "git", "-C", b.build_root.path.?, "describe", "--tags" },
&out_code,
.Ignore,
) catch return default_version;
const git_desc = std.mem.trim(u8, untrimmed, &std.ascii.whitespace);
// Turn something like 0.0.1-1-g85f815d into 0.0.1-1+g85f815d
const ver_str = switch (std.mem.count(u8, git_desc, "-")) {
0 => git_desc,
2 => blk: {
var it = std.mem.splitScalar(u8, git_desc, '-');
const tag = it.next() orelse unreachable;
const height = it.next() orelse unreachable;
const hash = it.next() orelse unreachable;
break :blk b.fmt("{s}-{s}+{s}", .{ tag, height, hash });
},
else => {
std.log.err("Unexpected `git describe` output: {s}", .{git_desc});
return default_version;
},
};
return SemanticVersion.parse(ver_str) catch default_version;
}
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