54 lines
1018 B
Bash
54 lines
1018 B
Bash
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# shared shell functions
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info() {
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local msg="$@"
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local timestamp="$(date +%H:%M:%S)"
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say "===> ${timestamp} ${msg}" "green"
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}
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warn() {
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local msg="$@"
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local timestamp=$(date +%H:%M:%S)
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say "===> ${timestamp} WARN: ${msg}" "yellow" >&2
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}
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fail() {
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local msg="$@"
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say "ERROR: ${msg}" "red" >&2
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exit 1
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}
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# say prints the given message to STDOUT, using the optional color if
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# STDOUT is a terminal.
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#
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# usage:
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#
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# say "foo" - prints "foo"
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# say "bar" "red" - prints "bar" in red
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# say "baz" "green" - prints "baz" in green
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# say "qux" "red" | tee - prints "qux" with no colour
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#
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say() {
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local msg=$1
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local color=$2
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if [[ -n "${color}" ]] && [[ -t 1 ]]; then
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case "${color}" in
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red)
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echo -e "\033[1;31m${msg}\033[0m"
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;;
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green)
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echo -e "\033[1;32m${msg}\033[0m"
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;;
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yellow)
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echo -e "\033[1;33m${msg}\033[0m"
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;;
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*)
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echo "${msg}"
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;;
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esac
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else
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echo "${msg}"
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fi
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}
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