Commit 10046f9a52

@@ -4,7 +4,7 @@
 #include <stdio.h>
 
 static Buf saved_compiler_id = BUF_INIT;
-static Buf saved_app_data_dir = BUF_INIT;
+static Buf saved_cache_dir = BUF_INIT;
 static Buf saved_stage1_path = BUF_INIT;
 static Buf saved_lib_dir = BUF_INIT;
 static Buf saved_special_dir = BUF_INIT;
@@ -21,11 +21,11 @@ Buf *get_stage1_cache_path(void) {
         return &saved_stage1_path;
     }
     Error err;
-    if ((err = os_get_app_data_dir(&saved_app_data_dir, "zig"))) {
-        fprintf(stderr, "Unable to get app data dir: %s\n", err_str(err));
+    if ((err = os_get_cache_dir(&saved_cache_dir, "zig"))) {
+        fprintf(stderr, "Unable to get cache dir: %s\n", err_str(err));
         exit(1);
     }
-    os_path_join(&saved_app_data_dir, buf_create_from_str("stage1"), &saved_stage1_path);
+    os_path_join(&saved_cache_dir, buf_create_from_str("stage1"), &saved_stage1_path);
     return &saved_stage1_path;
 }
 

@@ -1748,7 +1748,7 @@ static void utf16le_ptr_to_utf8(Buf *out, WCHAR *utf16le) {
 #endif
 
 // Ported from std.os.getAppDataDir
-Error os_get_app_data_dir(Buf *out_path, const char *appname) {
+Error os_get_cache_dir(Buf *out_path, const char *appname) {
 #if defined(ZIG_OS_WINDOWS)
     WCHAR *dir_path_ptr;
     switch (SHGetKnownFolderPath(FOLDERID_LocalAppData, KF_FLAG_CREATE, nullptr, &dir_path_ptr)) {
@@ -1774,24 +1774,35 @@ Error os_get_app_data_dir(Buf *out_path, const char *appname) {
     buf_appendf(out_path, "%s/Library/Application Support/%s", home_dir, appname);
     return ErrorNone;
 #elif defined(ZIG_OS_POSIX)
-    const char *home_dir = getenv("HOME");
-    if (home_dir == nullptr) {
-        // TODO use /etc/passwd
-        return ErrorFileNotFound;
-    }
-    if (home_dir[0] == 0) {
-        return ErrorFileNotFound;
-    }
-    buf_init_from_str(out_path, home_dir);
-    if (buf_ptr(out_path)[buf_len(out_path) - 1] != '/') {
-        buf_append_char(out_path, '/');
+    const char *cache_dir = getenv("XDG_CACHE_HOME");
+    if (cache_dir == nullptr) {
+        cache_dir = getenv("HOME");
+        if (cache_dir == nullptr) {
+            // TODO use /etc/passwd
+            return ErrorFileNotFound;
+        }
+        if (cache_dir[0] == 0) {
+            return ErrorFileNotFound;
+        }
+        buf_init_from_str(out_path, cache_dir);
+        if (buf_ptr(out_path)[buf_len(out_path) - 1] != '/') {
+            buf_append_char(out_path, '/');
+        }
+        buf_appendf(out_path, ".cache/%s", appname);
+    } else {
+        if (cache_dir[0] == 0) {
+            return ErrorFileNotFound;
+        }
+        buf_init_from_str(out_path, cache_dir);
+        if (buf_ptr(out_path)[buf_len(out_path) - 1] != '/') {
+            buf_append_char(out_path, '/');
+        }
+        buf_appendf(out_path, "%s", appname);
     }
-    buf_appendf(out_path, ".local/share/%s", appname);
     return ErrorNone;
 #endif
 }
 
-
 #if defined(ZIG_OS_LINUX) || defined(ZIG_OS_FREEBSD) || defined(ZIG_OS_NETBSD) || defined(ZIG_OS_DRAGONFLY)
 static int self_exe_shared_libs_callback(struct dl_phdr_info *info, size_t size, void *data) {
     ZigList<Buf *> *libs = reinterpret_cast< ZigList<Buf *> *>(data);

@@ -150,7 +150,7 @@ bool os_is_sep(uint8_t c);
 
 Error ATTRIBUTE_MUST_USE os_self_exe_path(Buf *out_path);
 
-Error ATTRIBUTE_MUST_USE os_get_app_data_dir(Buf *out_path, const char *appname);
+Error ATTRIBUTE_MUST_USE os_get_cache_dir(Buf *out_path, const char *appname);
 
 Error ATTRIBUTE_MUST_USE os_get_win32_ucrt_include_path(ZigWindowsSDK *sdk, Buf *output_buf);
 Error ATTRIBUTE_MUST_USE os_get_win32_ucrt_lib_path(ZigWindowsSDK *sdk, Buf *output_buf, ZigLLVM_ArchType platform_type);