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Kazuhiko Shiozaki
gitlab-workhorse
Commits
287fe3c7
Commit
287fe3c7
authored
Oct 10, 2015
by
Jacob Vosmaer
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Explain the TeeReader magic
parent
a9e18f2a
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githandler.go
githandler.go
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githandler.go
View file @
287fe3c7
...
@@ -260,11 +260,14 @@ func handleGetArchive(env gitEnv, format string, repoPath string, w http.Respons
...
@@ -260,11 +260,14 @@ func handleGetArchive(env gitEnv, format string, repoPath string, w http.Respons
archiveStdout
.
Close
()
archiveStdout
.
Close
()
}
}
// Every Read() from stdout will be synchronously written to tempFile
// before it comes out the TeeReader.
archiveReader
:=
io
.
TeeReader
(
stdout
,
tempFile
)
// Start writing the response
// Start writing the response
setArchiveHeaders
(
w
,
format
,
archiveFilename
)
setArchiveHeaders
(
w
,
format
,
archiveFilename
)
w
.
WriteHeader
(
200
)
// Don't bother with HTTP 500 from this point on, just return
w
.
WriteHeader
(
200
)
// Don't bother with HTTP 500 from this point on, just return
if
_
,
err
:=
io
.
Copy
(
w
,
io
.
TeeReader
(
stdout
,
tempFile
)
);
err
!=
nil
{
if
_
,
err
:=
io
.
Copy
(
w
,
archiveReader
);
err
!=
nil
{
logContext
(
"handleGetArchive read from subprocess"
,
err
)
logContext
(
"handleGetArchive read from subprocess"
,
err
)
return
return
}
}
...
...
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