entering '%' produces an error

[zanchey]

Log in to a clean session running 3d2b12e.
Enter the % character.
The first error message appears, then a new prompt, then the % character, then the second error.

zanchey@mussel ~> Warning: signal_block called off of main thread. Break on debug_thread_error to debug.
zanchey@mussel ~]> %Warning: signal_block called off of main thread. Break on debug_thread_error to debug.

These errors are produced no matter where the character appears in the line.

You also can't submit the command using the enter key if there is a % sign at the beginning of the line.

Debian and Ubuntu.

[xiaq]

Reproduced here too, latest Archlinux, latest fish.

[xiaq]

Should be related to process expansion. Stack trace:

#0  debug_thread_error () at common.cpp:2026
#1  0x000000000054cbba in assert_is_main_thread (who=0x58158d "signal_block")
    at common.cpp:2091
#2  0x0000000000541c08 in signal_block () at signal.cpp:662
#3  0x00000000004da11a in process_iterator_t::next_process (this=0x7ffff5ec5aa0,
    out_str=0x7ffff5ec5ab0, out_pid=0x7ffff5ec5aac) at expand.cpp:515
#4  0x00000000004deae5 in find_process (proc=0x7ffff0000acc L"", flags=259,
    out=std::vector of length 0, capacity 1) at expand.cpp:711
Python Exception <class 'gdb.error'> No type named std::basic_string<wchar_t>::_Rep.:
#5  0x00000000004ddbf2 in expand_pid (instr_with_sep=, flags=259,
    out=std::vector of length 0, capacity 1) at expand.cpp:791
Python Exception <class 'gdb.error'> No type named std::basic_string<wchar_t>::_Rep.:
#6  0x00000000004db8ca in expand_string (input=,
    output=std::vector of length 0, capacity 0, flags=259) at expand.cpp:1672
Python Exception <class 'gdb.error'> No type named std::basic_string<wchar_t>::_Rep.:
#7  0x00000000004ddeaf in expand_one (string=, flags=259) at expand.cpp:1780
#8  0x00000000004e5cb7 in tokenize (buff=0x60f1f8 L"%",
    color=std::vector of length 1, capacity 1 = {...}, pos=0, error=0x0,
Python Exception <class 'gdb.error'> No type named std::basic_string<wchar_t>::_Rep.:
    working_directory=, vars=...) at highlight.cpp:1026
Python Exception <class 'gdb.error'> No type named std::basic_string<wchar_t>::_Rep.:
#9  0x00000000004e463f in highlight_shell (buff=,
    color=std::vector of length 1, capacity 1 = {...}, pos=0, error=0x0, vars=...)
    at highlight.cpp:1324
#10 0x000000000051d6f0 in background_highlight_context_t::threaded_highlight (
    this=0x6187b0) at reader.cpp:2428
#11 0x0000000000516435 in threaded_highlight (ctx=0x6187b0) at reader.cpp:2475
#12 0x000000000055bfd2 in iothread_worker (threadPtr=0x5db7e0 <threads+16>)
    at iothread.cpp:117
#13 0x00007ffff766fe0f in start_thread () from /usr/lib/libpthread.so.0
#14 0x00007ffff6e8f31d in clone () from /usr/lib/libc.so.6

[ridiculousfish]

Should be fixed here:

To git@github.com:fish-shell/fish-shell.git
f9697c8..882a62a master -> master

Process expansion on Linux seems to be working well.

[ridiculousfish]

Thanks to everyone who reported this.