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feat: add ANYZIG_DATA_DIR env var support #52

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feat: add ANYZIG_DATA_DIR env var support #52

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e371c52
feat: add ANYZIG_DATA_DIR env var support
Inasayang Jul 14, 2025
6b7e484
feat: Configure Zig cache directory based on ANYZIG_DATA_DIR
Inasayang Jul 15, 2025
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22 changes: 16 additions & 6 deletions src/main.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -52,10 +52,14 @@ const global = struct {

fn getAppDataDir() ![]const u8 {
if (cached_app_data_dir == null) {
cached_app_data_dir = if (std.fs.getAppDataDir(arena, "anyzig")) |dir|
.{ .ok = dir }
else |e|
.{ .err = e };
const app_data_dir = blk: {
if (std.process.getEnvVarOwned(arena, "ANYZIG_DATA_DIR")) |custom_dir| {
break :blk custom_dir;
} else |_| {
break :blk try std.fs.getAppDataDir(arena, "anyzig");
}
};
cached_app_data_dir = .{ .ok = app_data_dir };
}
return switch (cached_app_data_dir.?) {
.ok => |d| d,
Expand Down Expand Up @@ -373,7 +377,7 @@ pub fn main() !void {
break :blk .{ .{ .semantic = try determineSemanticVersion(arena, build_root) }, false };
};

const app_data_path = try std.fs.getAppDataDir(arena, "anyzig");
const app_data_path = try global.getAppDataDir();
defer arena.free(app_data_path);
log.info("appdata '{s}'", .{app_data_path});

Expand Down Expand Up @@ -409,7 +413,13 @@ pub fn main() !void {

const override_global_cache_dir: ?[]const u8 = try EnvVar.ZIG_GLOBAL_CACHE_DIR.get(arena);
var global_cache_directory: Directory = l: {
const p = override_global_cache_dir orelse try introspect.resolveGlobalCacheDir(arena);
const p = if (override_global_cache_dir) |dir| dir else blk: {
if (std.process.getEnvVarOwned(arena, "ANYZIG_DATA_DIR")) |custom_data_dir| {
break :blk try std.fs.path.join(arena, &.{ custom_data_dir, "zig" });
} else |_| {
break :blk try introspect.resolveGlobalCacheDir(arena);
}
};
break :l .{
.handle = try fs.cwd().makeOpenPath(p, .{}),
.path = p,
Expand Down
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