feat: improve checksum filtering and os/arch detection @marwanhawari (#65)

* Improve arch and system autodetection #52

* feat: improve checksum filtering and os/arch detection

---------

Co-authored-by: Slava <slava.ganzin@gmail.com>

Author: marwanhawari

constants/constants.go

@@ -26,13 +26,13 @@ var LoadingSpinner = spinner.New(spinner.CharSets[9], 100*time.Millisecond, spin
 var RegexDarwin = `(?i)(darwin|mac(os)?|apple|osx)`
 
 // RegexWindows is a regular express for windows systems
-var RegexWindows = `(?i)(windows|win)`
+var RegexWindows = `(?i)(windows|win|.msi|.exe)`
 
 // RegexArm64 is a regular express for arm64 architectures
-var RegexArm64 = `(?i)(arm64|aarch64)`
+var RegexArm64 = `(?i)(arm64|aarch64|arm64e)`
 
 // RegexAmd64 is a regular express for amd64 architectures
-var RegexAmd64 = `(?i)(x86_64|amd64|x64)`
+var RegexAmd64 = `(?i)(x86_64|amd64|x64|amd64e)`
 
 // Regex386 is a regular express for 386 architectures
 var Regex386 = `(?i)(i?386|x86_32|amd32|x32)`
@@ -46,6 +46,9 @@ var RegexGithubSearch = `(?i)^[A-Za-z0-9\_\.\-\/\:]+$`
 // RegexURL is a regular express for valid URLs
 var RegexURL = `(http|ftp|https):\/\/([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])`
 
+// RegexChecksum is a regular expression for matching checksum files
+var RegexChecksum = `\.(sha(256|512)(sum)?)$`
+
 // StewOwner is the username of the stew github repo owner
 var StewOwner = `marwanhawari`
 

lib/github.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"regexp"
-	"strings"
 
 	"github.com/marwanhawari/stew/constants"
 )
@@ -130,8 +129,10 @@ func assetsFound(releaseAssets []string, releaseTag string) error {
 
 func filterReleaseAssets(assets []string) []string {
 	var filteredAssets []string
+	re := regexp.MustCompile(constants.RegexChecksum)
+
 	for _, asset := range assets {
-		if strings.HasSuffix(asset, ".sha256") {
+		if re.MatchString(asset) {
 			continue
 		}
 		filteredAssets = append(filteredAssets, asset)