added more error checking, log to journal

go.mod

@@ -5,7 +5,9 @@ go 1.16
 require (
 	github.com/Jguer/go-alpm/v2 v2.0.5
 	github.com/Morganamilo/go-srcinfo v1.0.0
+	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
 	github.com/sirupsen/logrus v1.8.1
+	github.com/wercker/journalhook v0.0.0-20180428041537-5d0a5ae867b3
 	github.com/yargevad/filepathx v1.0.0
 	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -2,6 +2,8 @@ github.com/Jguer/go-alpm/v2 v2.0.5 h1:1TZxkvCIfTOhjhxGy/Z1FNSeuY9DXBKF5qxUoj0IZ0
 github.com/Jguer/go-alpm/v2 v2.0.5/go.mod h1:zU4iKCtNkDARfj5BrKJXYAQ5nIjtZbySfa0paboSmTQ=
 github.com/Morganamilo/go-srcinfo v1.0.0 h1:Wh4nEF+HJWo+29hnxM18Q2hi+DUf0GejS13+Wg+dzmI=
 github.com/Morganamilo/go-srcinfo v1.0.0/go.mod h1:MP6VGY1NNpVUmYIEgoM9acix95KQqIRyqQ0hCLsyYUY=
+github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf h1:iW4rZ826su+pqaw19uhpSCzhj44qo35pNgKFGqzDKkU=
+github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -10,6 +12,8 @@ github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/wercker/journalhook v0.0.0-20180428041537-5d0a5ae867b3 h1:shC1HB1UogxN5Ech3Yqaaxj1X/P656PPCB4RbojIJqc=
+github.com/wercker/journalhook v0.0.0-20180428041537-5d0a5ae867b3/go.mod h1:XCsSkdKK4gwBMNrOCZWww0pX6AOt+2gYc5Z6jBRrNVg=
 github.com/yargevad/filepathx v1.0.0 h1:SYcT+N3tYGi+NvazubCNlvgIPbzAk7i7y2dwg3I5FYc=
 github.com/yargevad/filepathx v1.0.0/go.mod h1:BprfX/gpYNJHJfc35GjRRpVcwWXS89gGulUIU5tK3tA=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=

main.go

@@ -7,6 +7,7 @@ import (
 	"github.com/Jguer/go-alpm/v2"
 	"github.com/Morganamilo/go-srcinfo"
 	log "github.com/sirupsen/logrus"
+	"github.com/wercker/journalhook"
 	"github.com/yargevad/filepathx"
 	"gopkg.in/yaml.v2"
 	"io"
@@ -112,13 +113,17 @@ func copyFile(src, dst string) (int64, error) {
 	if err != nil {
 		return 0, err
 	}
-	defer source.Close()
+	defer func(source *os.File) {
+		check(source.Close())
+	}(source)
 
 	destination, err := os.Create(dst)
 	if err != nil {
 		return 0, err
 	}
-	defer destination.Close()
+	defer func(destination *os.File) {
+		check(destination.Close())
+	}(destination)
 	nBytes, err := io.Copy(destination, source)
 	return nBytes, err
 }
@@ -195,7 +200,9 @@ func importKeys(pkg *BuildPackage) {
 func increasePkgRel(pkg *BuildPackage) {
 	f, err := os.OpenFile(pkg.Pkgbuild, os.O_RDWR, os.ModePerm)
 	check(err)
-	defer f.Close()
+	defer func(f *os.File) {
+		check(f.Close())
+	}(f)
 
 	fStr, err := io.ReadAll(f)
 	check(err)
@@ -258,7 +265,7 @@ func (b *BuildManager) buildWorker(id int) {
 					_, err := f.WriteString(fmt.Sprintf("%s==%s-%s\n", pkg.Pkgbase, pkg.Srcinfo.Pkgver, pkg.Srcinfo.Pkgrel))
 					check(err)
 				}
-				f.Close()
+				check(f.Close())
 				b.failedMutex.Unlock()
 
 				check(os.MkdirAll(filepath.Join(conf.Basedir.Repo, "logs"), os.ModePerm))
@@ -410,7 +417,9 @@ func isPkgFailed(pkg *BuildPackage) bool {
 
 	file, err := os.OpenFile(filepath.Join(conf.Basedir.Repo, pkg.FullRepo+"_failed.txt"), os.O_RDWR|os.O_CREATE, os.ModePerm)
 	check(err)
-	defer file.Close()
+	defer func(file *os.File) {
+		check(file.Close())
+	}(file)
 
 	failed := false
 	var newContent []string
@@ -609,6 +618,7 @@ func main() {
 	lvl, err := log.ParseLevel(conf.Logging.Level)
 	check(err)
 	log.SetLevel(lvl)
+	journalhook.Enable()
 
 	err = os.MkdirAll(conf.Basedir.Repo, os.ModePerm)
 	check(err)