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| package main | |
| import ( | |
| "fmt" | |
| "regexp" | |
| "strings" | |
| ) | |
| func parseVersion(s string) (string, error) { | |
| rx := regexp.MustCompile("^[0-9]{1,2}") | |
| ok := rx.MatchString(s) | |
| if !ok { | |
| return s, fmt.Errorf("bad match", s) | |
| } | |
| return rx.FindString(s), nil | |
| } | |
| func parseGit(s string) (string, error) { | |
| rx := regexp.MustCompile("^v[0-9]{1,2}.[0-9]{1,2}.[0-9]{1,2}") | |
| ok := rx.MatchString(s) | |
| if !ok { | |
| return s, fmt.Errorf("bad match", s) | |
| } | |
| return rx.FindString(s), nil | |
| } | |
| func main() { | |
| // major|minor versions | |
| fmt.Println("======================= min/maj versions ================") | |
| versions := map[string]string{ | |
| "1": "1", | |
| "1+": "1", | |
| "1+a": "1", | |
| "1-9": "1", | |
| "11-1": "11", | |
| "111": "11", | |
| "9.7": "9", | |
| "9+": "9", | |
| } | |
| for t, ex := range versions { | |
| res, err := parseVersion(t) | |
| if err != nil { | |
| fmt.Printf("ERROR: failed to parse %s, expected %s: %v\n", t, ex, err) | |
| } else { | |
| if res != ex { | |
| fmt.Printf("ERROR: got %s, expected %s \n", res, ex) | |
| } else { | |
| fmt.Printf("OK: %s = %s \n", t, res) | |
| } | |
| } | |
| } | |
| // version with expected version | |
| fmt.Println("======================= git versions ================") | |
| gitVersions := map[string]string{ | |
| "v1.9.7": "v1.9.7", | |
| "v1.9.7+": "v1.9.7", | |
| "v1.9.7-2+": "v1.9.7", | |
| "v1.9.7+abcd999": "v1.9.7", | |
| "v1.10.1": "v1.10.1", | |
| "v1.10.1-2": "v1.10.1", | |
| "v1.10.1-2+7d2976e4bcbeb9": "v1.10.1", | |
| "v1.9.7-2+231cc32d0a1119": "v1.9.7", | |
| } | |
| for t, ex := range gitVersions { | |
| res, err := parseGit(t) | |
| if err != nil { | |
| fmt.Printf("ERROR: failed to parse %s, expected %s: %v\n", t, ex, err) | |
| } else { | |
| if res != ex { | |
| fmt.Printf("ERROR: got %s, expected %s \n", res, ex) | |
| } else { | |
| // verify major and minor can be parsed out | |
| parts := strings.Split(res[1:], ".") | |
| major := parts[0] | |
| minor := parts[1] | |
| fmt.Printf("OK: %s = %s (major:%s, minor:%s) \n", t, res, major, minor) | |
| } | |
| } | |
| } | |
| } | |
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======================= min/maj versions ================
OK: 1+ = 1
OK: 111 = 11
OK: 9.7 = 9
OK: 9+ = 9
OK: 1 = 1
OK: 1+a = 1
OK: 1-9 = 1
OK: 11-1 = 11
======================= git versions ================
OK: v1.9.7 = v1.9.7 (major:1, minor:9)
OK: v1.9.7+ = v1.9.7 (major:1, minor:9)
OK: v1.9.7-2+ = v1.9.7 (major:1, minor:9)
OK: v1.9.7+abcd999 = v1.9.7 (major:1, minor:9)
OK: v1.10.1 = v1.10.1 (major:1, minor:10)
OK: v1.10.1-2 = v1.10.1 (major:1, minor:10)
OK: v1.10.1-2+7d2976e4bcbeb9 = v1.10.1 (major:1, minor:10)
OK: v1.9.7-2+231cc32d0a1119 = v1.9.7 (major:1, minor:9)