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restic/internal/backend/sftp
Jakob Unterwurzacher dd3b9910ee sftp: persist "ssh command exited" error
If our ssh process has died, not only the next, but all subsequent
calls to clientError() should indicate the error.

restic output when the ssh process is killed with "kill -9":

  Save(<data/afb68adbf9>) returned error, retrying after 253.661803ms: Write: failed to send packet header: write |1: file already closed
  Save(<data/afb68adbf9>) returned error, retrying after 580.752212ms: ssh command exited: signal: killed
  Save(<data/afb68adbf9>) returned error, retrying after 790.150468ms: ssh command exited: signal: killed
  Save(<data/afb68adbf9>) returned error, retrying after 1.769595051s: ssh command exited: signal: killed
  [...]
  error in cleanup handler: ssh command exited: signal: killed

Before this patch:

  Save(<data/de698d934f>) returned error, retrying after 252.84163ms: Write: failed to send packet header: write |1: file already closed
  Save(<data/de698d934f>) returned error, retrying after 660.236963ms: OpenFile: failed to send packet header: write |1: file already closed
  Save(<data/de698d934f>) returned error, retrying after 568.049909ms: OpenFile: failed to send packet header: write |1: file already closed
  Save(<data/de698d934f>) returned error, retrying after 2.428813824s: OpenFile: failed to send packet header: write |1: file already closed
  [...]
  error in cleanup handler: failed to send packet header: write |1: file already closed
2018-05-30 19:28:14 +02:00
..
config.go sftp: Return error when path starts with a tilde (~) 2017-09-30 10:34:23 +02:00
config_test.go Moves files 2017-07-23 14:19:13 +02:00
doc.go Moves files 2017-07-23 14:19:13 +02:00
layout_test.go Change List() implementation for all backends 2018-01-21 21:15:09 +01:00
sftp.go sftp: persist "ssh command exited" error 2018-05-30 19:28:14 +02:00
sftp_test.go Remove SuspendSignalHandler 2018-01-17 23:14:47 +01:00
sshcmd_test.go Moves files 2017-07-23 14:19:13 +02:00