85 lines
1.4 KiB
Bash
85 lines
1.4 KiB
Bash
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#!/usr/bin/env bash
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### Utility functions to work with files
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file_exists() {
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if [[ -f "$1" ]]; then
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true
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else
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false
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fi
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}
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# check for existence of pattern $2 in file $1
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line_exists() {
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local file="$1"
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local line="$2"
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if ! file_exists "$file" || ! grep -qe "$line" "$file"; then
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false
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else
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true
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fi
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}
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# prepare newline at eof to make adding newlines easier
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eol_exists_or_append() {
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local file="$1"
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local eof
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eof=$(tail -c 1 "$file")
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if [ -n "$eof" ]; then
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printf "\\n" >>"$file"
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fi
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}
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# append line $2 to file $1
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line_exists_or_append() {
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local file="$1"
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local line="$2"
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local new="${3:-$2}"
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if ! line_exists "$file" "$line"; then
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eol_exists_or_append "$file"
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echo "$new" >>"$file"
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fi
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}
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# Print a debug message to stdout
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dbg_msg() {
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local application="$1"
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shift
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# the debug-level of the message
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local level="$1"
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local color
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case "$level" in
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error)
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level=0
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color="\u001b[31;1m"
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shift
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;;
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warn)
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level=1
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color="\u001b[33;1m"
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shift
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;;
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info)
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level=2
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color="\u001b[32;1m"
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shift
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;;
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*)
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level=2
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color="\u001b[32;1m"
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;;
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esac
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# the minimum debug level to display
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local display=${STYLER_DEBUG:-"0"}
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case "$display" in
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error) display=0 ;;
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warn) display=1 ;;
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info) display=2 ;;
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esac
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if (("$level" <= "$display")); then
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printf "%b%-15s %s \u001b[0m\n" "$color" "$(tr '[:lower:]' '[:upper:]' <<<\["$application"])" "$@"
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fi
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}
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