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prevent panic if TINI_COMMIT isn't set during build

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If TINI_COMMIT isn't set, .go-autogen sets an empty value
as the "expected" commit. Attempting to truncate the value
caused a panic in that situation.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2019-10-16 03:28:02 +02:00
parent f7065313ec
commit 339fb74cbc
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GPG key ID: 76698F39D527CE8C
1 changed files with 3 additions and 1 deletions
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4
daemon/info_unix.go
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@ -72,7 +72,9 @@ func (daemon *Daemon) fillPlatformInfo(v *types.Info, sysInfo *sysinfo.SysInfo)
v.InitCommit.ID = "N/A"
} else {
v.InitCommit.ID = commit
v.InitCommit.Expected = dockerversion.InitCommitID[0:len(commit)]
if len(dockerversion.InitCommitID) > len(commit) {
v.InitCommit.Expected = dockerversion.InitCommitID[0:len(commit)]
}
}
} else {
logrus.Warnf("failed to retrieve %s version: %s", defaultInitBinary, err)