[screen-devel] [bug #50208] paste . command acting strangely without setsid

[Min Xu]

URL:
  <http://savannah.gnu.org/bugs/?50208>

                 Summary: paste . command acting strangely without setsid
                 Project: GNU Screen
            Submitted by: minxu
            Submitted on: Thu 02 Feb 2017 07:36:00 AM GMT
                Category: Program Logic
                Severity: 3 - Normal
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.3
           Fixed Release: None
         Planned Release: None
           Work Required: None

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Details:

Hi,

I am using this screen version on arch linux.

$ screen --version
Screen version 4.05.00 (GNU) 10-Dec-16

I am using the following screenrc commands to integrate xsel with gnome 3.22
for copy&paste to/from the clipboard.

bindkey -m y eval 'stuff \040' 'writebuf' "exec sh -c 'xsel -bi
</tmp/screen-exchange'"
bind p exec setsid sh -c 'xsel -bo >/tmp/screen-exchange; screen -X eval
readbuf "paste ."'

For the second line, I had to use "setsid" in the exec line in order for the
paste to work.

Without setsid, the paste command will paste the content to the current screen
window, however, the pasted string appears to be not really inserted to the
stdin of the receiving process. I.e. the string will appear on the screen, but
bash or vi doesn't see to receive it. If I press enter after the paste command
with bash, bash acts as if no input is received.

If I paste the content into vi and then save the file, the file size is 0.

Only after the "setsid" change, I can make the pasting work.






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