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https://github.com/notwa/rc
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30 lines
668 B
Bash
Executable file
30 lines
668 B
Bash
Executable file
#!/bin/zsh
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# crontab usage:
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#* * * * * minutemaid 9 cd repo && git pull # runs every nine minutes
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local offset=0 opt=
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while getopts 'o:h' opt; do
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case $opt in
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o) offset="$OPTARG";;
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?) local fd=0
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[ $opt = h ] && fd=0 || fd=2
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echo -E "usage: $0 [-o offset] {interval} [{command} [{args...}]]" >&$fd
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[ $opt = h ] && return 0 || return 1;;
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esac
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done
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shift $((OPTIND-1))
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local interval="${1:?no interval specified}"
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shift
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local sec="$(date +%s)"
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let min=sec/60+offset
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let mod=min%interval
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if [ $# -gt 0 ]; then
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local cmd="${1}"
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shift
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[ $mod -eq 0 ] && "$cmd" "$@"
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else
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[ $mod -eq 0 ] && return 0 || return 1
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fi
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