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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
with-email [-s SUBJECT] COMMAND...
with-email -h
EOF
}
help() {
cat <<-'EOF'
Options:
-s SUBJECT set the subject of the email
-h, --help show this message
COMMAND the command to be wrapped
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
SUBJECT='NO SUBJECT'
while getopts 's:h' flag; do
case "$flag" in
s)
SUBJECT="$OPTARG"
;;
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
assert_arg() {
if [ -z "$1" ]; then
printf 'Missing %s\n\n' "$2" >&2
usage >&2
exit 2
fi
}
assert_arg "${1:-}" 'COMMAND...'
now() {
date '+%Y-%m-%dT%H:%M:%S%Z'
}
OUT="$(mkstemp)"
{
printf 'Running command: %s\n' "$*"
printf 'Starting at: %s\n' "$(now)"
printf '\n'
STATUS=0
"$@" 2>&1 || STATUS=$?
printf '\n'
printf '\nFinished at: %s\n' "$(now)"
} 2>&1 1>"$OUT"
email -s "(exit status: $STATUS) - $SUBJECT" eu@euandre.org < "$OUT"
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