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Avoid error messages when there is no job

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This commit is contained in:
Erik Demaine 2019-07-07 10:48:36 -04:00
parent c1446b4750
commit 902e3172c9
1 changed files with 10 additions and 7 deletions
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17
lib/termsupport.zsh
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@ -72,19 +72,22 @@ function omz_termsupport_preexec {
local CMD=${1[(wr)^(*=*|sudo|ssh|mosh|rake|-*)]:gs/%/%%}
local LINE="${2:gs/%/%%}"
# replace fg, possibly with argument, with description from jobs
if [[ "$CMD" = fg ]]; then
# replace fg, possibly with argument, with description from jobs
local JOB
if [[ ${(z)1} = fg ]]; then # no arguments
JOB="$(jobs %%)"
JOB="$(jobs %% 2>/dev/null)"
else # arguments
JOB="$(jobs ${${(z)1}[2]})"
JOB="$(jobs ${${(z)1}[2]} 2>/dev/null)"
fi
if [[ $? -eq 0 ]]; then
JOB="${${(z)JOB}[4,$]}" # trim job number, +, pid, status
title ${JOB:gs/%/%%} ${JOB:gs/%/%%}
return
fi
JOB="${${(z)JOB}[4,$]}" # trim job number, +, pid, status
title ${JOB:gs/%/%%} ${JOB:gs/%/%%}
else
title '$CMD' '%100>...>$LINE%<<'
fi
title '$CMD' '%100>...>$LINE%<<'
}
precmd_functions+=(omz_termsupport_precmd)