github.com/dschalla/mattermost-server@v4.8.1-rc1+incompatible/model/version.go (about)

     1  // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
     2  // See License.txt for license information.
     3  
     4  package model
     5  
     6  import (
     7  	"fmt"
     8  	"strconv"
     9  	"strings"
    10  )
    11  
    12  // This is a list of all the current versions including any patches.
    13  // It should be maintained in chronological order with most current
    14  // release at the front of the list.
    15  var versions = []string{
    16  	"4.8.1",
    17  	"4.8.0",
    18  	"4.7.2",
    19  	"4.7.1",
    20  	"4.7.0",
    21  	"4.6.0",
    22  	"4.5.0",
    23  	"4.4.0",
    24  	"4.3.0",
    25  	"4.2.0",
    26  	"4.1.0",
    27  	"4.0.0",
    28  	"3.10.0",
    29  	"3.9.0",
    30  	"3.8.0",
    31  	"3.7.0",
    32  	"3.6.0",
    33  	"3.5.0",
    34  	"3.4.0",
    35  	"3.3.0",
    36  	"3.2.0",
    37  	"3.1.0",
    38  	"3.0.0",
    39  	"2.2.0",
    40  	"2.1.0",
    41  	"2.0.0",
    42  	"1.4.0",
    43  	"1.3.0",
    44  	"1.2.1",
    45  	"1.2.0",
    46  	"1.1.0",
    47  	"1.0.0",
    48  	"0.7.1",
    49  	"0.7.0",
    50  	"0.6.0",
    51  	"0.5.0",
    52  }
    53  
    54  var CurrentVersion string = versions[0]
    55  var BuildNumber string
    56  var BuildDate string
    57  var BuildHash string
    58  var BuildHashEnterprise string
    59  var BuildEnterpriseReady string
    60  var versionsWithoutHotFixes []string
    61  
    62  func init() {
    63  	versionsWithoutHotFixes = make([]string, 0, len(versions))
    64  	seen := make(map[string]string)
    65  
    66  	for _, version := range versions {
    67  		maj, min, _ := SplitVersion(version)
    68  		verStr := fmt.Sprintf("%v.%v.0", maj, min)
    69  
    70  		if seen[verStr] == "" {
    71  			versionsWithoutHotFixes = append(versionsWithoutHotFixes, verStr)
    72  			seen[verStr] = verStr
    73  		}
    74  	}
    75  }
    76  
    77  func SplitVersion(version string) (int64, int64, int64) {
    78  	parts := strings.Split(version, ".")
    79  
    80  	major := int64(0)
    81  	minor := int64(0)
    82  	patch := int64(0)
    83  
    84  	if len(parts) > 0 {
    85  		major, _ = strconv.ParseInt(parts[0], 10, 64)
    86  	}
    87  
    88  	if len(parts) > 1 {
    89  		minor, _ = strconv.ParseInt(parts[1], 10, 64)
    90  	}
    91  
    92  	if len(parts) > 2 {
    93  		patch, _ = strconv.ParseInt(parts[2], 10, 64)
    94  	}
    95  
    96  	return major, minor, patch
    97  }
    98  
    99  func GetPreviousVersion(version string) string {
   100  	verMajor, verMinor, _ := SplitVersion(version)
   101  	verStr := fmt.Sprintf("%v.%v.0", verMajor, verMinor)
   102  
   103  	for index, v := range versionsWithoutHotFixes {
   104  		if v == verStr && len(versionsWithoutHotFixes) > index+1 {
   105  			return versionsWithoutHotFixes[index+1]
   106  		}
   107  	}
   108  
   109  	return ""
   110  }
   111  
   112  func IsOfficalBuild() bool {
   113  	return BuildNumber != "_BUILD_NUMBER_"
   114  }
   115  
   116  func IsCurrentVersion(versionToCheck string) bool {
   117  	currentMajor, currentMinor, _ := SplitVersion(CurrentVersion)
   118  	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
   119  
   120  	if toCheckMajor == currentMajor && toCheckMinor == currentMinor {
   121  		return true
   122  	} else {
   123  		return false
   124  	}
   125  }
   126  
   127  func IsPreviousVersionsSupported(versionToCheck string) bool {
   128  	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
   129  	versionToCheckStr := fmt.Sprintf("%v.%v.0", toCheckMajor, toCheckMinor)
   130  
   131  	// Current Supported
   132  	if versionsWithoutHotFixes[0] == versionToCheckStr {
   133  		return true
   134  	}
   135  
   136  	// Current - 1 Supported
   137  	if versionsWithoutHotFixes[1] == versionToCheckStr {
   138  		return true
   139  	}
   140  
   141  	// Current - 2 Supported
   142  	if versionsWithoutHotFixes[2] == versionToCheckStr {
   143  		return true
   144  	}
   145  
   146  	// Current - 3 Supported
   147  	if versionsWithoutHotFixes[3] == versionToCheckStr {
   148  		return true
   149  	}
   150  
   151  	return false
   152  }