+69
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lines changed Original file line number Diff line number Diff line change
@@ -3,6 +3,7 @@
3 3
## pg_back 2.0.1
4 4 5 5
* Use /var/run/postgresql as default host for connections
6 +
* Support Windows
6 7 7 8
## pg_back 2.0.0
8 9
@@ -23,6 +23,8 @@
23 23
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 24
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 25 26 +
// +build !windows
27 + 26 28
package main
27 29 28 30
import (
@@ -0,0 +1,66 @@
1 +
// pg_back
2 +
//
3 +
// Copyright 2011-2021 Nicolas Thauvin and contributors. All rights reserved.
4 +
//
5 +
// Redistribution and use in source and binary forms, with or without
6 +
// modification, are permitted provided that the following conditions
7 +
// are met:
8 +
//
9 +
// 1. Redistributions of source code must retain the above copyright
10 +
// notice, this list of conditions and the following disclaimer.
11 +
// 2. Redistributions in binary form must reproduce the above copyright
12 +
// notice, this list of conditions and the following disclaimer in the
13 +
// documentation and/or other materials provided with the distribution.
14 +
//
15 +
// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 +
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 +
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 +
// IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
19 +
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 +
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 +
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 +
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 +
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 +
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 + 26 +
// +build windows
27 + 28 +
package main
29 + 30 +
import (
31 +
"fmt"
32 +
"os"
33 +
"path/filepath"
34 +
)
35 + 36 +
// lockPath on windows just creates a file without locking, it only tests if
37 +
// the file exist to consider it locked
38 +
func lockPath(path string) (*os.File, bool, error) {
39 +
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
40 +
return nil, false, err
41 +
}
42 + 43 +
info, err := os.Stat(path)
44 +
if err == nil {
45 +
if info.IsDir() {
46 +
return nil, false, &os.PathError{Op: "stat", Path: path, Err: fmt.Errorf("unexpected directory")}
47 +
}
48 +
return nil, false, err
49 +
}
50 + 51 +
l.Verboseln("creating lock file", path)
52 +
f, err := os.Create(path)
53 +
if err != nil {
54 +
return nil, false, err
55 +
}
56 +
return f, true, nil
57 +
}
58 + 59 +
// unlockPath releases the lock from the open file and removes the
60 +
// underlying path
61 +
func unlockPath(f *os.File) error {
62 +
path := f.Name()
63 +
l.Verboseln("removing lock file", path)
64 +
f.Close()
65 +
return os.Remove(path)
66 +
}
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