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On SLE-11, I run into: ... (gdb) if 1^M >shell HOME=/dev/null PS1="gdb-subshell$ " /bin/sh^M >end^M hostname:/dir> FAIL: gdb.base/multi-line-starts-subshell.exp: \ spawn subshell from multi-line (timeout) ... The problem is that the PS1 setting has no effect, due to a bug on older openSUSE/SLE version. The mechanism there is: - /etc/profile sets ENV=/etc/bash.bashrc - /bin/sh is started - /bin/sh executes ENV, in other words /etc/bash.bashrc - during the execution of /etc/bash.bashrc, PS1 is set unconditionally Fix this by setting PS1 after spawning the subshell. Tested on x86_64-linux. 2020-12-15 Tom de Vries <tdevries@suse.de> PR testsuite/26952 * gdb.base/multi-line-starts-subshell.exp: Set PS1 after spawning shell.
56 lines
1.8 KiB
Plaintext
56 lines
1.8 KiB
Plaintext
# Copyright (C) 2014-2020 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test spawning a subshell from a multi-line command, where the last
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# prompt displayed is a secondary prompt. GDB used to have a bug
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# where in this case the subshell would start with the wrong terminal
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# settings. See PR python/17372.
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gdb_exit
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gdb_start
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# The subshell's prompt.
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set shell_prompt "gdb-subshell$ "
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set shell_prompt_re [string_to_regexp $shell_prompt]
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# Point HOME nowhere to avoid the shell sourcing the user's init
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# scripts.
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set shell_cmd "HOME=/dev/null /bin/sh"
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set test "spawn subshell from multi-line"
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gdb_test_multiple "if 1\nshell ${shell_cmd}\nend\nPS1=\"$shell_prompt\"" $test {
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-re "PS1=\[^\r\n\]*\r\n$shell_prompt_re$" {
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pass $test
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# Now check that shell input works and that echo is enabled.
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set test "shell input works"
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send_gdb "echo foo\n"
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gdb_expect {
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-re "^echo foo\r\nfoo\r\n$shell_prompt_re$" {
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pass $test
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}
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timeout {
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fail "$test (timeout)"
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}
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}
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# Exit the subshell, back to GDB
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gdb_test "exit" ".*" "exit shell"
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}
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}
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# Check that we restore input in GDB correctly.
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gdb_test "print 1" "^print 1\r\n.. = 1" "gdb input still works"
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