[Bug testsuite/18550] New: GDB's testsuite and user's shell history

["palves at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18550

            Bug ID: 18550
           Summary: GDB's testsuite and user's shell history
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: palves at redhat dot com
  Target Milestone: ---

In https://sourceware.org/ml/gdb-patches/2015-06/msg00361.html,
Pedro Alves wrote:

> For HISTSIZE, should we audit tests that might start an interactive
> shell (e.g., "(gdb) shell") and result in truncating the history file?
> Guess better would be to set HISTSIZE="" and HISTFILE=/dev/null
> or something like that so shells we start don't have a chance of
> mucking with the user's history files?
> 
> Urgh, yes, we already have that issue today:
> 
> $ make check RUNTESTFLAGS="gdb.base/batch-preserve-term-settings.exp"
> $ tail -n 5 ~/.bash_history
> stty || echo "not found"
> /home/pedro/gdb/mygit/build/gdb/testsuite/../../gdb/gdb -nw -nx -data-directory /home/pedro/gdb/mygit/build/gdb/testsuite/../data-directory  -batch -ex "set height unlimited" -ex "start" --args "/home/pedro/gdb/mygit/build/gdb/testsuite/gdb.base/batch-preserve-term-settings"
> echo test_echo
> stty || echo "not found"
> exit
> 
> Whoops...

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