fixed semver for stable release

go.mod

@@ -3,15 +3,13 @@ module github.com/warrensbox/terraform-switcher
 go 1.13
 
 require (
-	github.com/Masterminds/semver v1.5.0
 	github.com/chzyer/logex v1.1.10 // indirect
 	github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3 // indirect
 	github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 // indirect
 	github.com/hashicorp/go-version v1.4.0
 	github.com/hashicorp/hcl2 v0.0.0-20191002203319-fb75b3253c80
 	github.com/hashicorp/terraform-config-inspect v0.0.0-20211115214459-90acf1ca460f
 	github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a // indirect
-	github.com/kiranjthomas/terraform-config-inspect v0.0.0-20191120205521-a1d709eb2824
 	github.com/lunixbochs/vtclean v0.0.0-20170504063817-d14193dfc626 // indirect
 	github.com/magiconair/properties v1.8.1 // indirect
 	github.com/manifoldco/promptui v0.2.2-0.20180308161052-c0c0d3afc6a0

go.sum

@@ -1,8 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Masterminds/semver v1.5.0 h1:H65muMkzWKEuNDnfl9d70GUjFniHKHRbFPGBuZ3QEww=
-github.com/Masterminds/semver v1.5.0/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/agext/levenshtein v1.2.1/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki2W0IB5558=
 github.com/agext/levenshtein v1.2.2 h1:0S/Yg6LYmFJ5stwQeRp6EeOcCbj7xiqQSdNelsXvaqE=
@@ -65,16 +63,13 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/hashicorp/errwrap v0.0.0-20180715044906-d6c0cd880357/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/go-multierror v0.0.0-20180717150148-3d5d8f294aa0/go.mod h1:JMRHfdO9jKNzS/+BTlxCjKNQHg/jZAft8U7LloJvN7I=
-github.com/hashicorp/go-version v1.3.0 h1:McDWVJIU/y+u1BRV06dPaLfLCaT7fUTJLp5r04x7iNw=
-github.com/hashicorp/go-version v1.3.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/go-version v1.4.0 h1:aAQzgqIrRKRa7w75CKpbBxYsmUoPjzVm1W59ca1L0J4=
 github.com/hashicorp/go-version v1.4.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
 github.com/hashicorp/hcl v0.0.0-20170504190234-a4b07c25de5f/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/hcl/v2 v2.0.0 h1:efQznTz+ydmQXq3BOnRa3AXzvCeTq1P4dKj/z5GLlY8=
 github.com/hashicorp/hcl/v2 v2.0.0/go.mod h1:oVVDG71tEinNGYCxinCYadcmKU9bglqW9pV3txagJ90=
-github.com/hashicorp/hcl2 v0.0.0-20190821123243-0c888d1241f6/go.mod h1:Cxv+IJLuBiEhQ7pBYGEuORa0nr4U994pE8mYLuFd7v0=
 github.com/hashicorp/hcl2 v0.0.0-20191002203319-fb75b3253c80 h1:PFfGModn55JA0oBsvFghhj0v93me+Ctr3uHC/UmFAls=
 github.com/hashicorp/hcl2 v0.0.0-20191002203319-fb75b3253c80/go.mod h1:Cxv+IJLuBiEhQ7pBYGEuORa0nr4U994pE8mYLuFd7v0=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20211115214459-90acf1ca460f h1:R8UIC07Ha9jZYkdcJ51l4ownCB8xYwfJtrgZSMvqjWI=
@@ -85,8 +80,6 @@ github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a h1:FaWFmfWdAUKbSCtOU2QjDaorUexogfaMgbipgYATUMU=
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/kiranjthomas/terraform-config-inspect v0.0.0-20191120205521-a1d709eb2824 h1:2W0nCRf6KE5PGakYzkMTiOCGKTZR1HGxd8zxdqbLqgc=
-github.com/kiranjthomas/terraform-config-inspect v0.0.0-20191120205521-a1d709eb2824/go.mod h1:1Yap3+TRKI7BuRH6I8lbmjr+hMN7/GBxqBFhI2f2fmw=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=

lib/list_versions.go

@@ -73,28 +73,36 @@ func GetTFLatest(mirrorURL string) (string, error) {
 //GetTFLatestImplicit :  Get the latest implicit terraform version given the hashicorp url
 func GetTFLatestImplicit(mirrorURL string, preRelease bool, version string) (string, error) {
 
-	result, error := GetTFURLBody(mirrorURL)
-	if error != nil {
-		return "", error
-	}
-	var semver string
 	if preRelease == true {
+		//TODO: use GetTFList() instead of GetTFURLBody
+		versions, error := GetTFURLBody(mirrorURL)
+		if error != nil {
+			return "", error
+		}
 		// Getting versions from body; should return match /X.X.X-@/ where X is a number,@ is a word character between a-z or A-Z
-		semver = fmt.Sprintf(`\/(%s{1}\.\d+\-[a-zA-z]+\d*)\/`, version)
+		semver := fmt.Sprintf(`\/(%s{1}\.\d+\-[a-zA-z]+\d*)\/`, version)
+		r, err := regexp.Compile(semver)
+		if err != nil {
+			return "", err
+		}
+		for i := range versions {
+			if r.MatchString(versions[i]) {
+				str := r.FindString(versions[i])
+				trimstr := strings.Trim(str, "/") //remove "/" from /X.X.X/
+				return trimstr, nil
+			}
+		}
 	} else if preRelease == false {
-		semver = fmt.Sprintf(`\/(%s{1}\.\d+)\/`, version)
-	}
-	r, _ := regexp.Compile(semver)
-	for i := range result {
-		if r.MatchString(result[i]) {
-			str := r.FindString(result[i])
-			trimstr := strings.Trim(str, "/") //remove "/" from /X.X.X/
-			return trimstr, nil
+		listAll := false
+		tflist, _ := GetTFList(mirrorURL, listAll) //get list of versions
+		version = fmt.Sprintf("~> %v", version)
+		semv, err := SemVerParser(&version, tflist)
+		if err != nil {
+			return "", err
 		}
+		return semv, nil
 	}
-
 	return "", nil
-
 }
 
 //GetTFURLBody : Get list of terraform versions from hashicorp releases

lib/semver.go

@@ -22,7 +22,7 @@ func SemVerParser(tfconstraint *string, tflist []string) (string, error) {
 	tfversion := ""
 	constraints, err := semver.NewConstraint(*tfconstraint) //NewConstraint returns a Constraints instance that a Version instance can be checked against
 	if err != nil {
-		return "", fmt.Errorf("error parsing constraint: %s", *tfconstraint)
+		return "", fmt.Errorf("error parsing constraint: %s", err)
 	}
 	versions := make([]*semver.Version, len(tflist))
 	//put tfversion into semver object

main.go

@@ -25,6 +25,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	semver "github.com/hashicorp/go-version"
 	"github.com/hashicorp/hcl2/gohcl"
 	"github.com/hashicorp/hcl2/hclparse"
 	"github.com/hashicorp/terraform-config-inspect/tfconfig"
@@ -243,12 +244,17 @@ func showLatestVersion(custBinPath, mirrorURL *string) {
 
 // install latest - argument (version) must be provided
 func installLatestImplicitVersion(requestedVersion string, custBinPath, mirrorURL *string, preRelease bool) {
-	if lib.ValidMinorVersionFormat(requestedVersion) {
-		tfversion, _ := lib.GetTFLatestImplicit(*mirrorURL, preRelease, requestedVersion)
+	_, err := semver.NewConstraint(requestedVersion)
+	if err != nil {
+		fmt.Printf("error parsing constraint: %s\n", err)
+	}
+	//if lib.ValidMinorVersionFormat(requestedVersion) {
+	tfversion, err := lib.GetTFLatestImplicit(*mirrorURL, preRelease, requestedVersion)
+	if err == nil && tfversion != "" {
 		lib.Install(tfversion, *custBinPath, *mirrorURL)
-	} else {
-		lib.PrintInvalidMinorTFVersion()
 	}
+	fmt.Printf("Error parsing constraint: %s\n", err)
+	lib.PrintInvalidMinorTFVersion()
 }
 
 // show latest - argument (version) must be provided