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Add support for $RESTIC_CACHE_DIR

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Add support for restic-specific $RESTIC_CACHE_DIR environment variable
to override the cache directory like --cache-dir would have.
This commit is contained in:
Stephane Thiell
2019-09-26 15:48:52 -07:00
parent 604b18aa74
commit 0e897ef7b8
2 changed files with 10 additions and 5 deletions
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8
internal/cache/dir.go vendored
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@@ -12,17 +12,21 @@ import (
// xdgCacheDir returns the cache directory according to XDG basedir spec, see
// http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
// unless RESTIC_CACHE_DIR is defined
func xdgCacheDir() (string, error) {
cachedir := os.Getenv("RESTIC_CACHE_DIR")
xdgcache := os.Getenv("XDG_CACHE_HOME")
home := os.Getenv("HOME")
if xdgcache != "" {
if cachedir != "" {
return cachedir, nil
} else if xdgcache != "" {
return filepath.Join(xdgcache, "restic"), nil
} else if home != "" {
return filepath.Join(home, ".cache", "restic"), nil
}
return "", errors.New("unable to locate cache directory (XDG_CACHE_HOME and HOME unset)")
return "", errors.New("unable to locate cache directory (RESTIC_CACHE_DIR, XDG_CACHE_HOME and HOME unset)")
}
// windowsCacheDir returns the cache directory for Windows.