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merge cache_darwin and cache_linux

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This commit is contained in:
Florian Weingarten 2015-04-28 22:09:32 -04:00
parent c9422c3b32
commit 62a11fa032
3 changed files with 40 additions and 98 deletions
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40
cache.go
View file

@ -2,6 +2,7 @@ package restic
import (
"encoding/json"
"errors"
"fmt"
"io"
"os"
@ -349,3 +350,42 @@ func (c *Cache) LoadMap(s *server.Server, snid backend.ID) (*Map, error) {
err = json.NewDecoder(rd).Decode(m)
return m, err
}
// GetCacheDir returns the cache directory according to XDG basedir spec, see
// http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
func GetCacheDir() (string, error) {
xdgcache := os.Getenv("XDG_CACHE_HOME")
home := os.Getenv("HOME")
if xdgcache == "" && home == "" {
return "", errors.New("unable to locate cache directory (XDG_CACHE_HOME and HOME unset)")
}
cachedir := ""
if xdgcache != "" {
cachedir = filepath.Join(xdgcache, "restic")
} else if home != "" {
cachedir = filepath.Join(home, ".cache", "restic")
}
fi, err := os.Stat(cachedir)
if os.IsNotExist(err) {
err = os.MkdirAll(cachedir, 0700)
if err != nil {
return "", err
}
fi, err = os.Stat(cachedir)
debug.Log("getCacheDir", "create cache dir %v", cachedir)
}
if err != nil {
return "", err
}
if !fi.IsDir() {
return "", fmt.Errorf("cache dir %v is not a directory", cachedir)
}
return cachedir, nil
}

49
cache_darwin.go
View file

@ -1,49 +0,0 @@
package restic
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/restic/restic/debug"
)
// GetCacheDir returns the cache directory according to XDG basedir spec, see
// http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
func GetCacheDir() (string, error) {
xdgcache := os.Getenv("XDG_CACHE_HOME")
home := os.Getenv("HOME")
if xdgcache == "" && home == "" {
return "", errors.New("unable to locate cache directory (XDG_CACHE_HOME and HOME unset)")
}
cachedir := ""
if xdgcache != "" {
cachedir = filepath.Join(xdgcache, "restic")
} else if home != "" {
cachedir = filepath.Join(home, ".cache", "restic")
}
fi, err := os.Stat(cachedir)
if os.IsNotExist(err) {
err = os.MkdirAll(cachedir, 0700)
if err != nil {
return "", err
}
fi, err = os.Stat(cachedir)
debug.Log("getCacheDir", "create cache dir %v", cachedir)
}
if err != nil {
return "", err
}
if !fi.IsDir() {
return "", fmt.Errorf("cache dir %v is not a directory", cachedir)
}
return cachedir, nil
}

49
cache_linux.go
View file

@ -1,49 +0,0 @@
package restic
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/restic/restic/debug"
)
// GetCacheDir returns the cache directory according to XDG basedir spec, see
// http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
func GetCacheDir() (string, error) {
xdgcache := os.Getenv("XDG_CACHE_HOME")
home := os.Getenv("HOME")
if xdgcache == "" && home == "" {
return "", errors.New("unable to locate cache directory (XDG_CACHE_HOME and HOME unset)")
}
cachedir := ""
if xdgcache != "" {
cachedir = filepath.Join(xdgcache, "restic")
} else if home != "" {
cachedir = filepath.Join(home, ".cache", "restic")
}
fi, err := os.Stat(cachedir)
if os.IsNotExist(err) {
err = os.MkdirAll(cachedir, 0700)
if err != nil {
return "", err
}
fi, err = os.Stat(cachedir)
debug.Log("getCacheDir", "create cache dir %v", cachedir)
}
if err != nil {
return "", err
}
if !fi.IsDir() {
return "", fmt.Errorf("cache dir %v is not a directory", cachedir)
}
return cachedir, nil
}