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Add String method so quieted output displays properly - #1090
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Fixes docker#1089 Signed-off-by: Zachary Romero <zacromero3@gmail.com>
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We should wait for https://jenkins.dockerproject.org/job/docker/job/cli/job/PR-1090 to be done (but somehow there is no node 😭) |
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Before this patch: cat <<EOF> Dockerfile
FROM busybox
RUN echo foo
EOF
docker build --quiet --stream .
&{%!!(MISSING)s(chan error=0xc42001a960) sha256:a0656916e1769300a230126221760c5d997870d249445f34e7884017a2bf1454
%!!(MISSING)s(*bytes.Buffer=&{[] 0 0 [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]}) %!!(MISSING)s(chan struct {}=0xc42001a9c0) {%!!(MISSING)s(int32=0) %!!(MISSING)s(uint32=0)}}With this patch: cat <<EOF> Dockerfile
FROM busybox
RUN echo foo
EOF
docker build --quiet --stream .
sha256:a0656916e1769300a230126221760c5d997870d249445f34e7884017a2bf1454 |
thaJeztah
reviewed
May 29, 2018
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| func (bw *bufferedWriter) String() string { | ||
| return fmt.Sprintf("%s", bw.Writer) |
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Actually, wondering if there's a better solution to convert it to a string 🤔 (at least could be simplified to fmt.Sprint(bw.Writer))
Member
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Yeah, let's leave it as-is for now |
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Fixes #1089 as well as addresses moby/moby#36812
- What I did
It turns out that the when the --stream flag is provided, a struct with a few different fields is used and when trying to print it in the quiet case, it uses a default string representation of the struct. I added a custom String method to only display the relevant data.
- Description for the changelog
Fixed bug displaying garbage output for build command when --stream and --quiet flags combined