70 lines
1.4 KiB
Bash
Executable file
70 lines
1.4 KiB
Bash
Executable file
#!/usr/bin/env sh
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# vim: set noet sw=2 ts=2 sts=2:
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help() {
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[ 0 -lt $# ] && >&2 echo "$*"
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>&2 cat <<EOF
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Usage: $0 [*options] command [*args]
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Options:
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-h
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-t TO default: your login-user
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-f FROM default: your login-user
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-s SUBJECT default: "timer: [command *args]"
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-e send email only on error (command exit-code != 0)
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-o send email only if command writes on STDOUT or STDERR (default)
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-a send always email
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EOF
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exit 42
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}
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if [ -z "$INVOCATION_ID" ]
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then
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>&2 echo 'No INVOCATION_ID set, not running systemd?'
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fi
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subject=
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on=
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to=
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from=
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eval set -- "$(getopt -n "$0" "ht:f:s:aev" "$@")"
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while [ 0 -lt $# ]
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do
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case "$1" in
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-h) help ;;
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-s) shift ; subject="$1" ;;
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-t) shift ; to="$1" ;;
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-f) shift ; from="$1" ;;
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-e) on=error ;;
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-o) on=output ;;
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-a) on=always ;;
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--) shift ; break ;;
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*) help "Unknown option: $1" ;;
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esac
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shift
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done
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subject="${subject:-timer: $*}"
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on=${on:-output}
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to="${to:-${LOGNAME:-$USER}}"
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from="${from:-${LOGNAME:-$USER}}"
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"$@"
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r=$?
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# should a mail be sent?
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mm=false
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case "$on" in
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always) mm=true ;;
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error) [ 0 -lt $r ] && mm=true ;;
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output) journalctl -n1 _SYSTEMD_INVOCATION_ID="$INVOCATION_ID" | grep -sqm1 "\S" && mm=true ;;
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esac
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if $mm
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then
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journalctl _SYSTEMD_INVOCATION_ID="$INVOCATION_ID" + INVOCATION_ID="$INVOCATION_ID" + USER_INVOCATION_ID="$INVOCATION_ID" | \
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mail -s "$subject" -r "$from" -- "$to" || exit 97
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fi
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exit $r
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