build: derive default config path from install prefix

- Add `default_config_path` build option for the river executable
This commit is contained in:
Alex Mohr 2021-01-01 12:20:29 -08:00 committed by Isaac Freund
parent d2e2dad09c
commit 75588a553c
2 changed files with 13 additions and 7 deletions

View file

@ -27,13 +27,16 @@ pub fn build(b: *zbs.Builder) !void {
const examples = b.option(bool, "examples", "Set to true to build examples") orelse false; const examples = b.option(bool, "examples", "Set to true to build examples") orelse false;
// Sigh, why are the conventions inconsistent like this.
const resolved_prefix = try std.fs.path.resolve(b.allocator, &[_][]const u8{b.install_prefix.?}); const resolved_prefix = try std.fs.path.resolve(b.allocator, &[_][]const u8{b.install_prefix.?});
if (std.mem.eql(u8, resolved_prefix, "/usr")) { const rel_config_path = if (std.mem.eql(u8, resolved_prefix, "/usr"))
b.installFile("example/init", "../etc/river/init"); "../etc/river/init"
} else { else
b.installFile("example/init", "etc/river/init"); "etc/river/init";
} b.installFile("example/init", rel_config_path);
const default_config_path = try std.fs.path.resolve(
b.allocator,
&[_][]const u8{ resolved_prefix, rel_config_path },
);
const scanner = ScanProtocolsStep.create(b); const scanner = ScanProtocolsStep.create(b);
scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml"); scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml");
@ -47,6 +50,7 @@ pub fn build(b: *zbs.Builder) !void {
river.setTarget(target); river.setTarget(target);
river.setBuildMode(mode); river.setBuildMode(mode);
river.addBuildOption(bool, "xwayland", xwayland); river.addBuildOption(bool, "xwayland", xwayland);
river.addBuildOption([]const u8, "default_config_path", default_config_path);
addServerDeps(river, scanner); addServerDeps(river, scanner);

View file

@ -18,6 +18,8 @@
const std = @import("std"); const std = @import("std");
const wlr = @import("wlroots"); const wlr = @import("wlroots");
const build_options = @import("build_options");
const c = @import("c.zig"); const c = @import("c.zig");
const log = @import("log.zig"); const log = @import("log.zig");
const util = @import("util.zig"); const util = @import("util.zig");
@ -52,7 +54,7 @@ fn getStartupCommand() std.fmt.AllocPrintError!?[:0]const u8 {
return path; return path;
} }
} }
if (try testConfigPath("/etc/river/init", .{})) |path| { if (try testConfigPath(build_options.default_config_path, .{})) |path| {
return path; return path;
} }
return null; return null;