I seldom use gvim on Linux and even less often use :sh from gvim, so
I didn't notice this until recently when projects and my workflow
changed.
When :sh is used in gvim to launch a shell, the backspace and ^U no
longer work. Instead of backspacing or clearing the line, each just
puts gibberish in the line. I discovered that each was broken by
a different commit, so I'm reporting them separately.
Steps to reproduce
1. $ vim -g -N -u NONE -i NONE
2. :sh
3. Type a bunch of printing characters, it doesn't seem to matter
what. For example:
$ hello
4. Type the backspace key.
5. The 'o' is replaced by a 'b' and the cursor remains at the end
of the line.
Expected behavior
The cursor should move one space to the left, erasing the 'o'.
Version of Vim
9.0.651
Environment
Operating system: Ubuntu 20.04.5
Terminal: Not applicable, but gvim launched from an xterm
Value of $TERM:
In the original xterm: xterm-256color
In the :sh shell: dumb
Shell: bash
Desktop: xfce4
Behavior is the same in GNOME on Ubuntu 22.04.
Last output from 'git bisect':
$ git bisect bad
f4140488c72cad4dbf5449dba099cfa7de7bbb22 is the first bad commit
commit f4140488c72cad4dbf5449dba099cfa7de7bbb22
Author: Bram Moolenaar <[email protected]>
Date: Sat Feb 15 23:06:45 2020 +0100
patch 8.2.0260: several lines of code are duplicated
Problem: Several lines of code are duplicated.
Solution: Move duplicated code to a function. (Yegappan Lakshmanan,
closes #5330)
src/option.c | 136
++++++++++++++++++++++++-----------------------------
src/os_unix.c | 24 +---------
src/os_win32.c | 25 +---------
src/proto/term.pro | 1 +
src/quickfix.c | 24 +++-------
src/regexp.c | 22 +++++++++
src/regexp_bt.c | 12 +----
src/regexp_nfa.c | 12 +----
src/term.c | 31 ++++++++++++
src/version.c | 2 +
10 files changed, 128 insertions(+), 161 deletions(-)
Regards,
Gary
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