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Fix CT_SanitizePath

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Replace the over-engineered and buggy test in CT_SanitizePath
with a straight forward string pattern match, and also
handle empty PATH elements which are qeuivalent to ".".

Thanks-To: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Johannes Stezenbach <js@sig21.net>
This commit is contained in:
Johannes Stezenbach 2010-07-30 17:50:34 +02:00 committed by Yann E. MORIN"
parent 143f02e0ce
commit 6d084fb565
1 changed files with 5 additions and 7 deletions
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12
scripts/functions
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@ -137,18 +137,16 @@ CT_DoEnd()
CT_DoLog ${level:-INFO} "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
}
# Remove entries referring to ., /tmp and non-existing directories from $PATH
# Remove entries referring to . and other relative paths
# Usage: CT_SanitizePath
CT_SanitizePath() {
local new
local tmp
local p
local IFS=:
for p in $PATH; do
# Replace any occurence of . with $(pwd -P)
# Use /tmp as a default if the directory is non-existent
# Do not add /tmp in the PATH
tmp="$( cd /tmp; cd "${p}" 2>/dev/null || true; pwd -P )"
if [ "${tmp}" != "/tmp" ]; then
# Only accept absolute paths;
# Note: as a special case the empty string in PATH is equivalent to .
if [ -n "${p}" -a -z "${p%%/*}" ]; then
new="${new}${new:+:}${p}"
fi
done