squakez commented on code in PR #5440:
URL: https://github.com/apache/camel-k/pull/5440#discussion_r1584935643
##########
script/check_jdk_version.go:
##########
@@ -0,0 +1,33 @@
+package main
+
+import (
+ "fmt"
+ "os/exec"
+ "regexp"
+ "strconv"
+)
+
+func main() {
+
+ cmd := exec.Command("java", "-version")
+ output, err := cmd.CombinedOutput()
+ if err != nil {
+ panic(fmt.Sprintf("Error: %v\n", err))
+ }
+
+ versionStr := string(output)
+ versionRegex := regexp.MustCompile(`version
"?([1-9]+)(\.([0-9]+)){2,3}"?`)
+ matches := versionRegex.FindStringSubmatch(versionStr)
+ if len(matches) < 2 {
+ panic(fmt.Sprintf("Unable to determine Java version: %s\n",
versionStr))
Review Comment:
Okey. Still make sure any parsing problem is not leading to a panic which
would impede to complete a build.
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