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#include "cache_hash.hpp"
#include <stdio.h>
static Buf saved_compiler_id = BUF_INIT;
static Buf saved_app_data_dir = BUF_INIT;
static Buf saved_stage1_path = BUF_INIT;
Buf *get_stage1_cache_path() {
if (saved_stage1_path.list.length != 0) {
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));
exit(1);
}
os_path_join(&saved_app_data_dir, buf_create_from_str("stage1"), &saved_stage1_path);
return &saved_stage1_path;
}
Error get_compiler_id(Buf **result) {
if (saved_compiler_id.list.length != 0) {
*result = &saved_compiler_id;
return ErrorNone;
}
Error err;
Buf *stage1_dir = get_stage1_cache_path();
Buf *manifest_dir = buf_alloc();
os_path_join(stage1_dir, buf_create_from_str("exe"), manifest_dir);
CacheHash cache_hash;
CacheHash *ch = &cache_hash;
cache_init(ch, manifest_dir);
Buf self_exe_path = BUF_INIT;
if ((err = os_self_exe_path(&self_exe_path)))
return err;
cache_file(ch, &self_exe_path);
buf_resize(&saved_compiler_id, 0);
if ((err = cache_hit(ch, &saved_compiler_id)))
return err;
if (buf_len(&saved_compiler_id) != 0) {
cache_release(ch);
*result = &saved_compiler_id;
return ErrorNone;
}
ZigList<Buf *> lib_paths = {};
if ((err = os_self_exe_shared_libs(lib_paths)))
return err;
for (size_t i = 0; i < lib_paths.length; i += 1) {
Buf *lib_path = lib_paths.at(i);
if ((err = cache_add_file(ch, lib_path)))
return err;
}
if ((err = cache_final(ch, &saved_compiler_id)))
return err;
cache_release(ch);
*result = &saved_compiler_id;
return ErrorNone;
}
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