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|
#!/usr/bin/env bash
year="$(date '+%Y')"
usage="Usage: $0 <command> [-r <remote>] [-y <year>]"
print_help() {
cat << EOF
$usage
Description:
This script synchronizes files using rsync
Options:
-r <remote> Specify the target machine (nest, lnest, laptop, roost).
-y <year> Specify the year for data synchronization.
-h Display this help message and exit.
commands:
push Push data to the specified target.
pull Pull data from the specified target.
Examples:
$0 push -r roost -y 2023 # Push data to the 'roost' target for the year 2023.
$0 pull -r nest # Pull data from the 'nest' target for the current year ($year).
EOF
}
check_requirements(){
if ! command -v rsync > /dev/null; then
echo "Missing rsync, exiting"
exit 1
fi
}
find_local(){
case "$(uname)" in
"Linux")
local_dir="$HOME/doc/edu"
;;
"Darwin")
local_dir="$HOME/Documents"
;;
*)
exit 1
esac
echo "$local_dir"
}
find_remote(){
case "$1" in
"nest"|"lnest")
echo "$1:doc/edu"
;;
"laptop"|"macbook")
echo "laptop:Documents"
;;
"roost")
echo "eduroost:doc"
;;
*)
exit 1
esac
}
push_data(){
local lroot="$1"
rsync -aiuvzCP --exclude-from="$lroot/.syncignore" "$lroot/$year" "$remote_root"
}
pull_data(){
local lroot="$1"
rsync -aiuvzCP "$remote_root/$year" "$lroot"
}
check_requirements
# set command to first argument
command="$1"
[ -z "$command" ] && {
echo "missing command"
echo "$usage"
exit 1
}
shift
# parse options
while getopts ":r:y:h" opt; do
case $opt in
r) remote="$OPTARG";;
y) year="$OPTARG";;
h) print_help; exit 0 ;;
\?)
echo "Invalid options: -$OPTARG" >&2
exit 1
;;
:)
echo "Option -$OPTARG requires an argument" >&2
exit 1
;;
esac
done
# check for valid remote
[ -z "$remote" ] && {
echo "$usage" >&2
exit 1
}
# set remote root
remote_root="$(find_remote "$remote")"
[ -z "$remote_root" ] && {
echo "Unrecognized remote: $remote"
exit 1
}
local_root="$(find_local)"
[ -z "$local_root" ] && {
echo "Machine not recognized, exitting"
exit 1
}
# execute commands
case "$command" in
"push") push_data "$local_root";;
"pull") pull_data "$local_root";;
"help") print_help ;;
*)
echo "unrecognized command: $command"
exit 1
esac
|
