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Avoid error if CLOBBER is not set

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If the tempfile already exists and CLOBBER is not set, a file exists error occurrs. This commit avoids this problem.
This commit is contained in:
Dominik Ritter 2017-01-21 14:30:19 +01:00
parent a58e8bdc8c
commit bcb0fed873
1 changed files with 11 additions and 1 deletions
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12
powerlevel9k.zsh-theme
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@ -469,6 +469,11 @@ prompt_battery() {
fi
}
# Public IP segment
# Parameters:
# * $1 Alignment: string - left|right
# * $2 Index: integer
# * $3 Joined: bool - If the segment should be joined
prompt_public_ip() {
# set default values for segment
set_default POWERLEVEL9K_PUBLIC_IP_TIMEOUT "300"
@ -531,12 +536,17 @@ prompt_public_ip() {
fi
# write IP to tmp file or clear tmp file if an IP was not retrieved
[[ -n $fresh_ip ]] && echo $fresh_ip > $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE > $POWERLEVEL9K_PUBLIC_IP_FILE
# Redirection with `>!`. From the manpage: Same as >, except that the file
# is truncated to zero length if it exists, even if CLOBBER is unset.
# If the file already exists, and a simple `>` redirection and CLOBBER
# unset, ZSH will produce an error.
[[ -n "${fresh_ip}" ]] && echo $fresh_ip >! $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE >! $POWERLEVEL9K_PUBLIC_IP_FILE
fi
# read public IP saved to tmp file
local public_ip=$(cat $POWERLEVEL9K_PUBLIC_IP_FILE)
# Draw the prompt segment
if [[ -n $public_ip ]]; then
$1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "${public_ip}" 'PUBLIC_IP_ICON'
fi