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PiShrink
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Add gzip option

This commit is contained in:
Drew Bonasera 2019-08-27 03:52:43 -04:00
parent 97b9a5db39
commit 20ae97d2bc
1 changed files with 12 additions and 2 deletions
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14
pishrink.sh
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@ -72,10 +72,11 @@ EOM
} }
usage() { usage() {
echo "Usage: $0 [-sdrph] imagefile.img [newimagefile.img]" echo "Usage: $0 [-sdrpzh] imagefile.img [newimagefile.img]"
echo "-s: Skip autoexpand" echo "-s: Skip autoexpand"
echo "-d: Debug mode on" echo "-d: Debug mode on"
echo "-r: Use advanced repair options" echo "-r: Use advanced repair options"
echo "-z: Gzip compress image after shrinking"
echo "-h: display help text" echo "-h: display help text"
exit -1 exit -1
} }
@ -83,12 +84,14 @@ usage() {
should_skip_autoexpand=false should_skip_autoexpand=false
debug=false debug=false
repair=false repair=false
gzip_compress=false
while getopts ":sdrh" opt; do while getopts ":sdrzh" opt; do
case "${opt}" in case "${opt}" in
s) should_skip_autoexpand=true ;; s) should_skip_autoexpand=true ;;
d) debug=true;; d) debug=true;;
r) repair=true;; r) repair=true;;
z) gzip_compress=true;;
h) help;; h) help;;
*) usage ;; *) usage ;;
esac esac
@ -306,6 +309,13 @@ if ! truncate -s "$endresult" "$img"; then
exit -16 exit -16
fi fi
if [[ $gzip_compress == true ]]; then
info "Gzipping the shrunk image"
if [[ ! $(gzip -f9 "$img") ]]; then
img=$img.gz
fi
fi
aftersize=$(ls -lh "$img" | cut -d ' ' -f 5) aftersize=$(ls -lh "$img" | cut -d ' ' -f 5)
logVariables $LINENO aftersize logVariables $LINENO aftersize