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Add logging of asciidoc/-tor errors

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Add logging of the errors which asciidoc and asciidoctor output to their
stderr stream when converting asciidoc documents. Note that
asciidoctor's exit code may be SUCCESS even if there are ERROR messages
in its stderr output (tested with Asciidoctor 0.1.4 and 1.5.5).
Therefore log the stderr output whenever it is non-empty.

See #2399
This commit is contained in:
C. Hoeppler 2016-10-13 07:34:47 +02:00 committed by Bjørn Erik Pedersen
parent 998034faad
commit 9f9b93af2c
1 changed files with 12 additions and 2 deletions
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14
helpers/content.go
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@ -546,9 +546,19 @@ func getAsciidocContent(content []byte) []byte {
jww.INFO.Println("Rendering with", path, "...")
cmd := exec.Command(path, "--no-header-footer", "--safe", "-")
cmd.Stdin = bytes.NewReader(cleanContent)
var out bytes.Buffer
var out, cmderr bytes.Buffer
cmd.Stdout = &out
if err := cmd.Run(); err != nil {
cmd.Stderr = &cmderr
err := cmd.Run()
// asciidoctor has exit code 0 even if there are errors in stderr
// -> log stderr output regardless of state of err
for _, item := range strings.Split(string(cmderr.Bytes()), "\n") {
item := strings.TrimSpace(item)
if item != "" {
jww.ERROR.Println(item)
}
}
if err != nil {
jww.ERROR.Println(err)
}