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* [Bug gdb/16136] New: Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change.
@ 2013-11-07 10:58 palves at redhat dot com
2013-11-07 11:02 ` [Bug gdb/16136] " palves at redhat dot com
2013-11-07 11:47 ` palves at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: palves at redhat dot com @ 2013-11-07 10:58 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16136
Bug ID: 16136
Summary: Make users aware of the ./.gdb_history ->
~/.gdb_history default command history file change.
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
GDB always reads the command history file, even if history save is
off. Currently, the default history filename is ./.gdb_history. This
has been a long time default. If we switch the default to
~/.gdb_history, there'll be lots of users with lots of ./.gdb_history
files that will now silently no longer be read in.
So, there are two possible fronts that could be considered here:
- backwards compatibility
- user awareness of the change
One idea to maintain backwards compatibility would be to check if
./.gdb_history, if it exists. If the history filename set actually
points elsewhere, GDB would tell the user that history is saved in
wherever the user has set it to (~/.gdb_history by default), and ask
her whether to read/save there or to .gdb_history. A variant of this
would be to always read from ./.gdb_history if it exists, and ask
whether to save there, or to the user's configured location
(~/.gdb_history by default).
Or, we could tackle only the awareness part. We could make gdb check
if a ./.gdbinit file exists and warn if the history filename actually
points elsewhere, with a hint on how to load that history file, but
not actually load it. We have precedent for something like that in
windows-nat.c:_initialize_check_for_gdb_ini.
IMO, the former is more complexity (and possible confusion) than
necessary. I think I prefer the simpler idea of tackling only
awareness.
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* [Bug gdb/16136] Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change.
2013-11-07 10:58 [Bug gdb/16136] New: Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change palves at redhat dot com
@ 2013-11-07 11:02 ` palves at redhat dot com
2013-11-07 11:47 ` palves at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: palves at redhat dot com @ 2013-11-07 11:02 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16136
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |15224
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* [Bug gdb/16136] Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change.
2013-11-07 10:58 [Bug gdb/16136] New: Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change palves at redhat dot com
2013-11-07 11:02 ` [Bug gdb/16136] " palves at redhat dot com
@ 2013-11-07 11:47 ` palves at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: palves at redhat dot com @ 2013-11-07 11:47 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=16136
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
To clarify, this:
> One idea to maintain backwards compatibility would be to check if
> ./.gdb_history, if it exists. If the history filename set actually
should have read:
One idea to maintain backwards compatibility would be to check if
./.gdb_history exists. If so, and if the history filename set actually
...
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end of thread, other threads:[~2013-11-07 11:47 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2013-11-07 10:58 [Bug gdb/16136] New: Make users aware of the ./.gdb_history -> ~/.gdb_history default command history file change palves at redhat dot com
2013-11-07 11:02 ` [Bug gdb/16136] " palves at redhat dot com
2013-11-07 11:47 ` palves at redhat dot com
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