| commit | author | age | ||
| 1bb512 | 1 | #!/bin/bash |
| W | 2 | # Copyright (c) 2009, Scott Barr <gsbarr@gmail.com> |
| 3 | # All rights reserved. | |
| 4 | # | |
| 5 | # Redistribution and use in source and binary forms, with or without | |
| 6 | # modification, are permitted provided that the following conditions are met: | |
| 7 | # * Redistributions of source code must retain the above copyright | |
| 8 | # notice, this list of conditions and the following disclaimer. | |
| 9 | # * Redistributions in binary form must reproduce the above copyright | |
| 10 | # notice, this list of conditions and the following disclaimer in the | |
| 11 | # documentation and/or other materials provided with the distribution. | |
| 12 | # * Neither the name of the <organization> nor the | |
| 13 | # names of its contributors may be used to endorse or promote products | |
| 14 | # derived from this software without specific prior written permission. | |
| 15 | # | |
| 16 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ''AS IS'' | |
| 17 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 18 | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 19 | # DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY | |
| 20 | # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 21 | # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 22 | # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 23 | # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 24 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 25 | # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 | ||
| 27 | function countdown | |
| 28 | { | |
| 29 | local OLD_IFS="${IFS}" | |
| 30 | IFS=":" | |
| 31 | local ARR=( $1 ) ; shift | |
| 32 | IFS="${OLD_IFS}" | |
| 33 | local PREFIX="$*" ; [ -n "${PREFIX}" ] && PREFIX="${PREFIX}" | |
| 34 | local SECONDS=$(( (ARR[0] * 60 * 60) + (ARR[1] * 60) + ARR[2] )) | |
| 35 | local START=$(date +%s) | |
| 36 | local END=$((START + SECONDS)) | |
| 37 | local CUR=$START | |
| 38 | ||
| 39 | while [[ $CUR -lt $END ]] | |
| 40 | do | |
| 41 | CUR=$(date +%s) | |
| 42 | LEFT=$((END-CUR)) | |
| 43 | ||
| 44 | printf "\r${PREFIX} %02d" \ | |
| 45 | $((LEFT%60)) | |
| 46 | ||
| 47 | sleep 1 | |
| 48 | done | |
| 49 | ||
| 50 | echo " " | |
| 51 | } | |
| 52 | ||
| 53 | function outputVar() | |
| 54 | { | |
| 55 | y=\$"$1" | |
| 56 | x=`eval "expr \"$y\" "` | |
| 57 | eval "$1=\"$2\"" | |
| 58 | } | |
| 59 | ||
| 60 | function valid_input() | |
| 61 | { | |
| 62 | local correct="no" | |
| 63 | Return_Val="" | |
| 64 | ||
| 65 | if [ -z "$2" ] | |
| 66 | then | |
| 67 | local opts=( yes no ) | |
| 68 | local opt_list="yes/no" | |
| 69 | else | |
| 70 | local opts=( `echo $2 | tr "/" " "` ) | |
| 71 | local opt_list=$2 | |
| 72 | fi | |
| 73 | ||
| 74 | while [ "$correct" != "yes" ] | |
| 75 | do | |
| 76 | if [ -n "$3" ] | |
| 77 | then | |
| 78 | line_prompt="$1 [default: $3] " | |
| 79 | else | |
| 80 | line_prompt="$1 [$opt_list] " | |
| 81 | fi | |
| 82 | ||
| 83 | echo -en "$line_prompt" | |
| 84 | read answer | |
| 85 | ||
| 86 | if [ -n "$3" ] | |
| 87 | then | |
| 88 | answer=$3 | |
| 89 | else | |
| 90 | ret=`echo "${opts[@]}" | grep -w "$answer"` | |
| 91 | fi | |
| 92 | ||
| 93 | if [ $? -eq 0 ] | |
| 94 | then | |
| 95 | correct="yes" | |
| 96 | Return_Val=$answer | |
| 97 | fi | |
| 98 | done | |
| 99 | } | |
| 100 | ||
| 101 | function start_spinner() | |
| 102 | { | |
| 103 | parent_pid=$$ | |
| 104 | (SP_STRING="/-\\|"; while [ -d /proc/$1 ] && [ -d /proc/$parent_pid ]; do printf "\e[1;37m\e7[ %1.1s ] \e8\e[0m" "$SP_STRING"; sleep .2; SP_STRING=${SP_STRING#"${SP_STRING%?}"}${SP_STRING%?}; done) & | |
| 105 | disown | |
| 106 | spinner_pid=$! | |
| 107 | } | |
| 108 | ||
| 109 | function stop_spinner() | |
| 110 | { | |
| 111 | if [ $spinner_pid -gt 0 ] | |
| 112 | then | |
| 113 | kill -HUP $spinner_pid 2>/dev/null | |
| 114 | fi | |
| 115 | } | |
| 116 | ||
| 117 | function exec_command() | |
| 118 | { | |
| 119 | printf "%-40s" "$2" | |
| 120 | ||
| 121 | (eval $1 >/dev/null 2>&1) & | |
| 122 | pid=$! | |
| 123 | ||
| 124 | start_spinner | |
| 125 | wait $pid | |
| 126 | status=$? | |
| 127 | stop_spinner | |
| 128 | ||
| 129 | if [ $status -eq 0 ]; | |
| 130 | then | |
| 131 | echo -e "\e[1;37m[ \e[0m\e[1;32mok\e[0m\e[1;37m ]\e[0m" | |
| 132 | else | |
| 133 | echo -e "\e[1;37m[ \e[0m\e[1;31mfailed\e[0m\e[1;37m ]\e[0m" | |
| 134 | echo -e "The following command did not complete successfully:" | |
| 135 | echo -e "$1" | |
| 136 | exit 1 | |
| 137 | fi | |
| 138 | } | |
