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Factor out tryReadGoDirective()

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This commit is contained in:
Owen Mansel-Chan
2023-04-19 15:47:11 +01:00
parent 5e87111a8b
commit 644d7f18c2
1 changed files with 27 additions and 19 deletions
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46
go/extractor/cli/go-autobuilder/go-autobuilder.go
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@@ -252,6 +252,31 @@ func getDepMode() DependencyInstallerMode {
return GoGetNoModules
}
func tryReadGoDirective(depMode DependencyInstallerMode) (string, bool) {
version := ""
found := false
if depMode == GoGetWithModules {
versionRe := regexp.MustCompile(`(?m)^go[ \t\r]+([0-9]+\.[0-9]+)$`)
goMod, err := os.ReadFile("go.mod")
if err != nil {
log.Println("Failed to read go.mod to check for missing Go version")
} else {
matches := versionRe.FindSubmatch(goMod)
if matches != nil {
found = true
if len(matches) > 1 {
version := string(matches[1])
semverVersion := "v" + version
if semver.Compare(semverVersion, getEnvGoSemVer()) >= 0 {
diagnostics.EmitNewerGoVersionNeeded()
}
}
}
}
}
return version, found
}
func getModMode(depMode DependencyInstallerMode) ModMode {
if depMode == GoGetWithModules {
// if a vendor/modules.txt file exists, we assume that there are vendored Go dependencies, and
@@ -612,28 +637,11 @@ func installDependenciesAndBuild() {
// determine how to install dependencies and whether a GOPATH needs to be set up before
// extraction
depMode := getDepMode()
goDirectiveFound := false
if _, present := os.LookupEnv("GO111MODULE"); !present {
os.Setenv("GO111MODULE", "auto")
}
if depMode == GoGetWithModules {
versionRe := regexp.MustCompile(`(?m)^go[ \t\r]+([0-9]+\.[0-9]+)$`)
goMod, err := os.ReadFile("go.mod")
if err != nil {
log.Println("Failed to read go.mod to check for missing Go version")
} else {
matches := versionRe.FindSubmatch(goMod)
if matches != nil {
goDirectiveFound = true
if len(matches) > 1 {
goDirectiveVersion := "v" + string(matches[1])
if semver.Compare(goDirectiveVersion, getEnvGoSemVer()) >= 0 {
diagnostics.EmitNewerGoVersionNeeded()
}
}
}
}
}
_, goDirectiveFound := tryReadGoDirective(depMode)
modMode := getModMode(depMode)
modMode = fixGoVendorIssues(modMode, depMode, goDirectiveFound)