Jeff Epler <jepler@xxxxxxxxxxxxxx> writes:
> If it's dependent on eval "`dircolors`", it suggests it might be
> dependent on the size of the environment. Maybe try with FOO=`perl -e
> 'print "x"x1000'` for various values of 1000...
It's not this, but I could reduce the problem to a slightly simpler
.zshrc:
-----------------------------------------------------------------
fpath=(${HOME}/usr/etc/zsh ${fpath})
autoload -Uz compinit
compinit
zstyle ':completion:*' list-colors 'rs=0' 'di=01;34' 'ln=01;36' \
'mh=00' 'pi=40;33' 'so=01;35' 'do=01;35' 'bd=40;33;01' 'cd=40;33;01' \
'or=40;31;01' 'su=37;41' 'sg=30;43' 'ca=30;41' 'tw=30;42' 'ow=34;42' \
'st=37;44' 'ex=01;32' '*.tar=01;31' '*.tgz=01;31' '*.arj=01;31' \
'*.taz=01;31' '*.lzh=01;31' '*.lzma=01;31' '*.tlz=01;31' '*.txz=01;31' \
'*.zip=01;31' '*.z=01;31' '*.Z=01;31' '*.dz=01;31' '*.gz=01;31' \
'*.lz=01;31' '*.xz=01;31' '*.bz2=01;31' '*.bz=01;31' '*.tbz=01;31' \
'*.tbz2=01;31' '*.tz=01;31' '*.deb=01;31' '*.rpm=01;31' '*.jar=01;31' \
'*.rar=01;31' '*.ace=01;31' '*.pgm=01;35' '*.ppm=01;35' \
'*.tga=01;35' '*.xbm=01;35' '*.zoo=01;31' '*.cpio=01;31' '*.7z=01;31' \
'*.rz=01;31' '*.jpg=01;35' '*.jpeg=01;35' '*.gif=01;35' \
'*.bmp=01;35' '*.pbm=01;35'
-----------------------------------------------------------------
The problem disapears if I remove one of the arguments after list-colors
(I didn't try with each of them, but picking 5 of them randomly and
removing it worked), so it seems to be a matter of number of arguments.
On git-completion.bash's side, it's really strange. If I comment out the
"case" statement in _git_mv like this, the problem disapears:
_git_mv ()
{
# case "$cur" in
# --*)
# __gitcomp "--dry-run"
# return
# ;;
# esac
if [ $(__git_count_arguments "mv") -gt 0 ]; then
# We need to show both cached and untracked files (including
# empty directories) since this may not be the last argument.
__git_complete_index_file "--cached --others --directory"
else
__git_complete_index_file "--cached"
fi
}
If I add a simple 'echo "$cur" >&2' instead of the case, the problem
reappears. Somehow, the fact that I'm accessing $cur seems to create the
segfault. Actually, the minimalistic _git_mv reproducing the problem is:
_git_mv ()
{
echo "$cur"
[ $(__git_count_arguments "mv") = 1 ]
__git_complete_index_file "--cached --others --directory"
}
gdb doesn't say much interesting since my ZSH isn't compile with debug:
(gdb) r
Starting program: /usr/bin/zsh
anie$ cd /tmp/git
anie$ git mv subdir/
Program received signal SIGSEGV, Segmentation fault.
__strlen_sse2 () at ../sysdeps/i386/i686/multiarch/strlen.S:87
87 ../sysdeps/i386/i686/multiarch/strlen.S: No such file or directory.
in ../sysdeps/i386/i686/multiarch/strlen.S
Current language: auto
The current source language is "auto; currently asm".
(gdb) where
#0 __strlen_sse2 () at ../sysdeps/i386/i686/multiarch/strlen.S:87
#1 0x080ae31d in ztrdup ()
#2 0xb7b9d287 in permmatches () from /usr/lib/zsh/4.3.10/zsh/complete.so
#3 0xb7b9a22e in ?? () from /usr/lib/zsh/4.3.10/zsh/complete.so
#4 0x08098f33 in getstrvalue ()
#5 0x08099e9d in ?? ()
#6 0x0809acd7 in getindex ()
#7 0x0809b3d9 in fetchvalue ()
#8 0x080b0f84 in ?? ()
#9 0x080b49a7 in prefork ()
#10 0x08066cb9 in ?? ()
#11 0x08067151 in ?? ()
#12 0x0806cfc0 in execlist ()
#13 0x0808984c in execif ()
#14 0x080670c6 in ?? ()
#15 0x0806cfc0 in execlist ()
#16 0x0806d69a in execode ()
#17 0x0806d785 in runshfunc ()
#18 0xb7b99a7a in ?? () from /usr/lib/zsh/4.3.10/zsh/complete.so
#19 0x0806d724 in runshfunc ()
#20 0x0806db92 in doshfunc ()
#21 0xb7ba3363 in ?? () from /usr/lib/zsh/4.3.10/zsh/complete.so
#22 0xb7ba44dc in do_completion () from /usr/lib/zsh/4.3.10/zsh/complete.so
#23 0xb7bdaf47 in ?? () from /usr/lib/zsh/4.3.10/zsh/zle.so
#24 0xb7bd5b40 in completecall () from /usr/lib/zsh/4.3.10/zsh/zle.so
#25 0xb7bc6f6e in execzlefunc () from /usr/lib/zsh/4.3.10/zsh/zle.so
#26 0xb7bc72a2 in zlecore () from /usr/lib/zsh/4.3.10/zsh/zle.so
#27 0xb7bc78d5 in zleread () from /usr/lib/zsh/4.3.10/zsh/zle.so
#28 0xb7bc96ff in ?? () from /usr/lib/zsh/4.3.10/zsh/zle.so
#29 0x0807d462 in zleentry ()
#30 0x08080a31 in ingetc ()
#31 0x0807b03c in ?? ()
#32 0x08087fb6 in zshlex ()
#33 0x080a3b4a in parse_event ()
#34 0x0807f2f1 in loop ()
#35 0x080800c6 in zsh_main ()
#36 0x08054cbb in main ()
I can't reproduce the problem with the exact same config and a freshly
compiled ZSH (so it's no use reporting the issue to the ZSH developers).
--
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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