neurocyte/flow
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fix: move flow state files from ~/.cache/flow to ~/.local/state/flow

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This better matches the XDG Base Directory Specification.

Please move existing state files from ~/.cache/flow to ~/.local/state/flow
manually if you want to keep them.
This commit is contained in:
CJ van den Berg 2024-06-23 15:49:40 +02:00
parent 42330ba82c
commit e1a94bf8f2
3 changed files with 55 additions and 7 deletions
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50
src/main.zig
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@ -274,7 +274,7 @@ fn trace_to_file(m: thespian.message.c_buffer_type) callconv(.C) void {
const a = std.heap.c_allocator;
var path = std.ArrayList(u8).init(a);
defer path.deinit();
path.writer().print("{s}/trace.log", .{get_cache_dir() catch return}) catch return;
path.writer().print("{s}/trace.log", .{get_state_dir() catch return}) catch return;
const file = std.fs.createFileAbsolute(path.items, .{ .truncate = true }) catch return;
State.state = .{
.file = file,
@ -445,6 +445,54 @@ fn get_app_cache_dir(appname: []const u8) ![]const u8 {
return cache_dir;
}
pub fn get_state_dir() ![]const u8 {
return get_app_state_dir(application_name);
}
fn get_app_state_dir(appname: []const u8) ![]const u8 {
const a = std.heap.c_allocator;
const local = struct {
var state_dir_buffer: [std.posix.PATH_MAX]u8 = undefined;
var state_dir: ?[]const u8 = null;
};
const state_dir = if (local.state_dir) |dir|
dir
else if (std.process.getEnvVarOwned(a, "XDG_STATE_HOME") catch null) |xdg| ret: {
defer a.free(xdg);
break :ret try std.fmt.bufPrint(&local.state_dir_buffer, "{s}/{s}", .{ xdg, appname });
} else if (std.process.getEnvVarOwned(a, "HOME") catch null) |home| ret: {
defer a.free(home);
var dir = try std.fmt.bufPrint(&local.state_dir_buffer, "{s}/.local", .{home});
std.fs.makeDirAbsolute(dir) catch |e| switch (e) {
error.PathAlreadyExists => {},
else => return e,
};
dir = try std.fmt.bufPrint(&local.state_dir_buffer, "{s}/.local/state", .{home});
std.fs.makeDirAbsolute(dir) catch |e| switch (e) {
error.PathAlreadyExists => {},
else => return e,
};
break :ret try std.fmt.bufPrint(&local.state_dir_buffer, "{s}/.local/state/{s}", .{ home, appname });
} else if (builtin.os.tag == .windows) ret: {
if (std.process.getEnvVarOwned(a, "APPDATA") catch null) |appdata| {
defer a.free(appdata);
const dir = try std.fmt.bufPrint(&local.state_dir_buffer, "{s}/{s}", .{ appdata, appname });
std.fs.makeDirAbsolute(dir) catch |e| switch (e) {
error.PathAlreadyExists => {},
else => return e,
};
break :ret dir;
} else return error.AppCacheDirUnavailable;
} else return error.AppCacheDirUnavailable;
local.state_dir = state_dir;
std.fs.makeDirAbsolute(state_dir) catch |e| switch (e) {
error.PathAlreadyExists => {},
else => return e,
};
return state_dir;
}
fn get_app_config_file_name(appname: []const u8) ![]const u8 {
const local = struct {
var config_file_buffer: [std.posix.PATH_MAX]u8 = undefined;