diff options
Diffstat (limited to 'vendor/cloud.google.com/go/internal/version/version.go')
-rw-r--r-- | vendor/cloud.google.com/go/internal/version/version.go | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/cloud.google.com/go/internal/version/version.go b/vendor/cloud.google.com/go/internal/version/version.go new file mode 100644 index 0000000..4a2a8c1 --- /dev/null +++ b/vendor/cloud.google.com/go/internal/version/version.go | |||
@@ -0,0 +1,71 @@ | |||
1 | // Copyright 2016 Google LLC | ||
2 | // | ||
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | ||
4 | // you may not use this file except in compliance with the License. | ||
5 | // You may obtain a copy of the License at | ||
6 | // | ||
7 | // http://www.apache.org/licenses/LICENSE-2.0 | ||
8 | // | ||
9 | // Unless required by applicable law or agreed to in writing, software | ||
10 | // distributed under the License is distributed on an "AS IS" BASIS, | ||
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
12 | // See the License for the specific language governing permissions and | ||
13 | // limitations under the License. | ||
14 | |||
15 | //go:generate ./update_version.sh | ||
16 | |||
17 | // Package version contains version information for Google Cloud Client | ||
18 | // Libraries for Go, as reported in request headers. | ||
19 | package version | ||
20 | |||
21 | import ( | ||
22 | "runtime" | ||
23 | "strings" | ||
24 | "unicode" | ||
25 | ) | ||
26 | |||
27 | // Repo is the current version of the client libraries in this | ||
28 | // repo. It should be a date in YYYYMMDD format. | ||
29 | const Repo = "20180226" | ||
30 | |||
31 | // Go returns the Go runtime version. The returned string | ||
32 | // has no whitespace. | ||
33 | func Go() string { | ||
34 | return goVersion | ||
35 | } | ||
36 | |||
37 | var goVersion = goVer(runtime.Version()) | ||
38 | |||
39 | const develPrefix = "devel +" | ||
40 | |||
41 | func goVer(s string) string { | ||
42 | if strings.HasPrefix(s, develPrefix) { | ||
43 | s = s[len(develPrefix):] | ||
44 | if p := strings.IndexFunc(s, unicode.IsSpace); p >= 0 { | ||
45 | s = s[:p] | ||
46 | } | ||
47 | return s | ||
48 | } | ||
49 | |||
50 | if strings.HasPrefix(s, "go1") { | ||
51 | s = s[2:] | ||
52 | var prerelease string | ||
53 | if p := strings.IndexFunc(s, notSemverRune); p >= 0 { | ||
54 | s, prerelease = s[:p], s[p:] | ||
55 | } | ||
56 | if strings.HasSuffix(s, ".") { | ||
57 | s += "0" | ||
58 | } else if strings.Count(s, ".") < 2 { | ||
59 | s += ".0" | ||
60 | } | ||
61 | if prerelease != "" { | ||
62 | s += "-" + prerelease | ||
63 | } | ||
64 | return s | ||
65 | } | ||
66 | return "" | ||
67 | } | ||
68 | |||
69 | func notSemverRune(r rune) bool { | ||
70 | return !strings.ContainsRune("0123456789.", r) | ||
71 | } | ||