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lint: ensure errors are at least logged (errcheck)

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Signed-off-by: Moritz Poldrack <moritz@poldrack.dev>
Acked-by: Robin Jarry <robin@jarry.cc>
This commit is contained in:
Moritz Poldrack 2022-07-29 22:31:54 +02:00 • committed by Robin Jarry
parent a8d631177f
commit 5ca6022d00
33 changed files with 301 additions and 103 deletions

40
widgets/msgviewer.go
View file

@ -645,7 +645,10 @@ func (pv *PartViewer) attemptCopy() {
pv.copySourceToSinkStripAnsi()
} else {
// if it's binary we have to rely on the filter to be sane
io.Copy(pv.sink, pv.source)
_, err := io.Copy(pv.sink, pv.source)
if err != nil {
logging.Warnf("failed to copy: %w", err)
}
}
pv.sink.Close()
}()
@ -667,14 +670,23 @@ func (pv *PartViewer) writeMailHeaders() {
}
field := fmt.Sprintf(
"%s: %s\n", fields.Key(), value)
pv.pagerin.Write([]byte(field))
_, err = pv.pagerin.Write([]byte(field))
if err != nil {
logging.Errorf("failed to write to stdin of pager: %v", err)
}
}
// virtual header
if len(info.Labels) != 0 {
labels := fmtHeader(info, "Labels", "")
pv.pagerin.Write([]byte(fmt.Sprintf("Labels: %s\n", labels)))
_, err := pv.pagerin.Write([]byte(fmt.Sprintf("Labels: %s\n", labels)))
if err != nil {
logging.Errorf("failed to write to stdin of pager: %v", err)
}
}
_, err := pv.pagerin.Write([]byte{'\n'})
if err != nil {
logging.Errorf("failed to write to stdin of pager: %v", err)
}
pv.pagerin.Write([]byte{'\n'})
}
}
@ -689,7 +701,10 @@ func (pv *PartViewer) hyperlinks(r io.Reader) (reader io.Reader) {
func (pv *PartViewer) copyFilterOutToPager() {
stdout, _ := pv.filter.StdoutPipe()
stderr, _ := pv.filter.StderrPipe()
pv.filter.Start()
err := pv.filter.Start()
if err != nil {
logging.Warnf("failed to start filter: %v", err)
}
ch := make(chan interface{})
go func() {
defer logging.PanicHandler()
@ -718,7 +733,10 @@ func (pv *PartViewer) copyFilterOutToPager() {
<-ch
<-ch
pv.filter.Wait()
err := pv.filter.Wait()
if err != nil {
logging.Warnf("failed to wait for the filter process: %v", err)
}
pv.pagerin.Close()
}()
}
@ -732,7 +750,10 @@ func (pv *PartViewer) copySourceToSinkStripAnsi() {
for scanner.Scan() {
text := scanner.Text()
text = ansi.ReplaceAllString(text, "")
io.WriteString(pv.sink, text+"\n")
_, err := io.WriteString(pv.sink, text+"\n")
if err != nil {
logging.Warnf("failed write ", err)
}
}
if err := scanner.Err(); err != nil {
fmt.Fprintf(os.Stderr, "failed to read line: %v\n", err)
@ -819,7 +840,10 @@ func (pv *PartViewer) Draw(ctx *ui.Context) {
func (pv *PartViewer) Cleanup() {
if pv.pager != nil && pv.pager.Process != nil {
pv.pager.Process.Kill()
err := pv.pager.Process.Kill()
if err != nil {
logging.Warnf("failed to kill pager process: %v", err)
}
pv.pager = nil
}
}