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Add seperate cache path

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This is set to the XDG cache path where possible.
It's set to the app's cache path on Android.
This commit is contained in:
ShadowNinja 2015-08-24 17:00:06 -04:00
parent 51e8c2b277
commit ea2964f5a1
8 changed files with 118 additions and 30 deletions
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38
src/porting.cpp
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@ -139,6 +139,7 @@ void signal_handler_init(void)
std::string path_share = "..";
std::string path_user = "..";
std::string path_locale = path_share + DIR_DELIM + "locale";
std::string path_cache = path_user + DIR_DELIM + "cache";
std::string getDataPath(const char *subpath)
@ -463,6 +464,25 @@ bool setSystemPaths()
#endif
void migrateCachePath()
{
const std::string local_cache_path = path_user + DIR_DELIM + "cache";
// Delete tmp folder if it exists (it only ever contained
// a temporary ogg file, which is no longer used).
if (fs::PathExists(local_cache_path + DIR_DELIM + "tmp"))
fs::RecursiveDelete(local_cache_path + DIR_DELIM + "tmp");
// Bail if migration impossible
if (path_cache == local_cache_path || !fs::PathExists(local_cache_path)
|| fs::PathExists(path_cache)) {
return;
}
if (!fs::Rename(local_cache_path, path_cache)) {
errorstream << "Failed to migrate local cache path "
"to system path!" << std::endl;
}
}
void initializePaths()
{
@ -513,10 +533,27 @@ void initializePaths()
if (!setSystemPaths())
errorstream << "Failed to get one or more system-wide path" << std::endl;
// Initialize path_cache
// First try $XDG_CACHE_HOME/PROJECT_NAME
const char *cache_dir = getenv("XDG_CACHE_HOME");
if (cache_dir) {
path_cache = std::string(cache_dir) + DIR_DELIM + PROJECT_NAME;
} else {
// Then try $HOME/.cache/PROJECT_NAME
const char *home_dir = getenv("HOME");
if (home_dir) {
path_cache = std::string(home_dir) + DIR_DELIM + ".cache"
+ DIR_DELIM + PROJECT_NAME;
}
// If neither works, leave it at $PATH_USER/cache
}
// Migrate cache folder to new location if possible
migrateCachePath();
#endif
infostream << "Detected share path: " << path_share << std::endl;
infostream << "Detected user path: " << path_user << std::endl;
infostream << "Detected cache path: " << path_cache << std::endl;
bool found_localedir = false;
#ifdef STATIC_LOCALEDIR
@ -542,7 +579,6 @@ void initializePaths()
if (!found_localedir) {
errorstream << "Couldn't find a locale directory!" << std::endl;
}
}