--umount, -v|--version, --install options
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parent
338a39ca1a
commit
df62fe781c
74
snapsh
74
snapsh
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@ -18,6 +18,8 @@
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# Environment set up:
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SNAPSH_VERSION='0.1.0'
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# If config file exists, source it, otherwise use default values
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if [[ -e /etc/snapsh.conf ]]; then
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. /etc/snapsh.conf
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@ -29,8 +31,10 @@ else
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fi # (Not the one used in --list)
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exit() {
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umount ${TOPLEVEL}
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rmdir ${TOPLEVEL}
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if [[ "$SNAPSH_MOUNT" != "true" ]]; then
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umount ${TOPLEVEL} &> /dev/null
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rmdir ${TOPLEVEL} &> /dev/null
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fi
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builtin exit $1
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}
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@ -336,6 +340,54 @@ root_check() {
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fi
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}
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version() {
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echo $SNAPSH_VERSION
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exit
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}
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# Convenience option to copy the files to correct places
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install() {
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INSTALL_DIR=/usr/local/bin/
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root_check
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CURRENT_SNAPSH=$(command -v snapsh)
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INSTALLED=$?
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printf "Installing from $0. Make sure you are not executing snapsh from your \$PATH!\n"
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read -p "Press enter to continue or CTRL-C to stop..."
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unset $REPLY
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if [[ ! "$INSTALLED" ]]; then
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cp $0 $INSTALL_DIR
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exit 0
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else
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CURRENT_VERSION=$(snapsh -v)
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if [[ "$CURRENT_VERSION" != "$SNAPSH_VERSION" ]]; then
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SRC_DIR=${0%/*}
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printf "/usr/local/bin/snapsh version $CURRENT_VERSION is already installed.\n"
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printf "Do you want to overwrite it with version $SNAPSH_VERSION? (y/n) "
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read -n1
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if [[ "$REPLY" == "y" ]]; then
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cp -v $0 $INSTALL_DIR
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cp -v $SRC_DIR/snapsh.conf /etc/snapsh.conf
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cp -v $SRC_DIR/snapsh-post-rollback.service /etc/systemd/system/
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systemctl daemon-reload
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mount_check
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printf "Please enable snapsh-post-rollback.service to automatically remove leftover subvolumes after rollbacks.\n"
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printf "(Separate backup snapshots of current subvolumes are created automatically by snapsh)\n"
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exit 0
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fi
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else
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printf "\nSame version of snapsh is already installed, exiting.\n"
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exit 1
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fi
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fi
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}
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# If no options are given, display help
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@ -346,7 +398,7 @@ fi
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# Options parsing:
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OPTIONS=$(getopt -a -n snapsh -o hs:d:lr:t: --long help,snapshot:,description:,list,remove:,rollback:,type:,post-rollback,mount -- "$@")
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OPTIONS=$(getopt -a -n snapsh -o hvs:d:lr:t: --long help,snapshot:,description:,list,remove:,rollback:,type:,post-rollback,mount,umount,install,version -- "$@")
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# Invalid options (getopt returns nonzero)
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if [[ "$?" -ne 0 ]]; then
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@ -363,7 +415,6 @@ while true; do
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-h | --help)
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help
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shift
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exit 0
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;;
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@ -418,9 +469,20 @@ while true; do
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;;
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--mount)
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SNAPSH_MOUNT=true
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mount_check
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shift
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break
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exit 0
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;;
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--umount)
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exit 0
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;;
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--install)
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install
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exit
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;;
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-v | --version)
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version
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exit
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;;
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--)
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@ -3,7 +3,7 @@ Description=Remove leftover *.backup subvolumes
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[Service]
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Type=oneshot
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ExecStart=/usr/sbin/snapsh --post-rollback
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ExecStart=snapsh --post-rollback
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RemainAfterExit=yes
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[Install]
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