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modify self update mitigation

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zawz 2021-04-16 15:39:21 +02:00
parent fe46b00ba6
commit 0c8c9bef98
2 changed files with 3 additions and 4 deletions
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2
src/main.sh
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@ -139,4 +139,4 @@ deploy)
*) usage && exit 1 ;;
esac
[ -n "$_self_update" ] && gen_self_update && _ZPKG_SELF_UPGRADE=y exec "$_tmpzpkg" -R install zpkg
[ -n "$_self_update" ] && do_self_update

5
src/upgrade.sh
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@ -42,11 +42,10 @@ upgrade_package()
## self upgrading mitigation
unset _self_update
gen_self_update()
do_self_update()
{
_tmpzpkg="$TMPDIR/zpkg_bin_$(random_string 5)"
# copy current file
cp "$0" "$_tmpzpkg" || return $?
# make new script self-delete
echo 'rm -f "$0"' >> "$_tmpzpkg"
exec sh -c '_ZPKG_SELF_UPGRADE=y "$1" -R install zpkg ; rm -f "$1"' sh "$_tmpzpkg"
}