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_lp_shorten_path: clean variable usage inside (( ))

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This commit is contained in:
Olivier Mengué 2014-07-09 22:55:48 +02:00
parent ddac1d8ec5
commit 2da0c12fd1
1 changed files with 6 additions and 6 deletions
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liquidprompt
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@ -579,13 +579,13 @@ _lp_shorten_path()
local p="$(_lp_get_home_tilde_collapsed)"
local mask="${LP_MARK_SHORTEN_PATH}"
local -i max_len=$(( ${COLUMNS:-80} * $LP_PATH_LENGTH / 100 ))
local -i max_len=$(( ${COLUMNS:-80} * LP_PATH_LENGTH / 100 ))
if [[ ${LP_PATH_KEEP} == -1 ]]; then
# only show the current directory, excluding any parent dirs
ret="${p##*/}" # discard everything up to and including the last slash
[[ "${ret}" == "" ]] && ret="/" # if in root directory
elif (( ${#p} <= ${max_len} )); then
elif (( ${#p} <= max_len )); then
ret="${p}"
elif [[ ${LP_PATH_KEEP} == 0 ]]; then
# len is over max len, show as much of the tail as is allowed
@ -598,8 +598,8 @@ _lp_shorten_path()
local tmp=${p//\//}
local -i delims=$(( ${#p} - ${#tmp} ))
for (( dir=0; dir < ${LP_PATH_KEEP}; dir++ )); do
(( ${dir} == ${delims} )) && break
for (( dir=0; dir < LP_PATH_KEEP; dir++ )); do
(( dir == delims )) && break
local left="${p#*/}"
local name="${p:0:${#p} - ${#left}}"
@ -607,7 +607,7 @@ _lp_shorten_path()
ret="${ret}${name%/}/"
done
if (( ${delims} <= ${LP_PATH_KEEP} )); then
if (( delims <= LP_PATH_KEEP )); then
# no dirs between LP_PATH_KEEP leading dirs and current dir
ret="${ret}${p##*/}"
else
@ -617,7 +617,7 @@ _lp_shorten_path()
[[ ${ret} != "/" ]] && ret="${ret%/}" # strip trailing slash
local -i len_left=$(( ${max_len} - ${#ret} - ${#base} - ${#mask} ))
local -i len_left=$(( max_len - ${#ret} - ${#base} - ${#mask} ))
ret="${ret}${mask}${p:${#p} - ${len_left}}${base}"
fi