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| 1 | +#!/usr/bin/env bash |
| 2 | +export LC_NUMERIC="en_US.UTF-8" |
| 3 | + |
| 4 | +CURRENT_DATE_TS=${1:-$(date +%s)} |
| 5 | + |
| 6 | +IMAGE_FILE="image.jpg" |
| 7 | +CONF_FILE=".data" |
| 8 | + |
| 9 | +MIN_COMMIT_COUNT=1 |
| 10 | +MAX_COMMIT_COUNT=10 |
| 11 | + |
| 12 | +MIN_RGB=0 |
| 13 | +MAX_RGB=255 |
| 14 | + |
| 15 | +if [ ! -f $IMAGE_FILE ]; then |
| 16 | + echo "image not be found. please create monochrome image with 54x7 size" |
| 17 | + exit 1 |
| 18 | +fi |
| 19 | + |
| 20 | +if ! command -v magick &> /dev/null; then |
| 21 | + echo "magick could not be found" |
| 22 | + exit 1 |
| 23 | +fi |
| 24 | + |
| 25 | +function _readimagepixel { |
| 26 | + PIXEL_RAW=$(magick $IMAGE_FILE -format "%[pixel:p{$1,$2}]" info:) |
| 27 | + re='srgb\(([0-9]+),([0-9]+),([0-9]+)\)' |
| 28 | + |
| 29 | + if [[ $PIXEL_RAW =~ $re ]]; then |
| 30 | + RED="${BASH_REMATCH[1]}" |
| 31 | + GREEN="${BASH_REMATCH[2]}" |
| 32 | + BLUE="${BASH_REMATCH[3]}" |
| 33 | + |
| 34 | + result=$(( ($RED + $GREEN + $BLUE) / 3 )) |
| 35 | + result=$(bc <<< "scale=4; ($result - $MIN_RGB) / ($MAX_RGB - $MIN_RGB) * ($MAX_COMMIT_COUNT - $MIN_COMMIT_COUNT) + $MIN_COMMIT_COUNT") |
| 36 | + result=$(printf "%.0f\n" $result) |
| 37 | + result=$(( (10 - $result) + 1 )) |
| 38 | + |
| 39 | + echo "$result" |
| 40 | + else |
| 41 | + echo "$MIN_COMMIT_COUNT" |
| 42 | + fi |
| 43 | +} |
| 44 | + |
| 45 | +function _flush { |
| 46 | + echo "$1" > $CONF_FILE |
| 47 | + echo "$2" >> $CONF_FILE |
| 48 | + echo "$3" >> $CONF_FILE |
| 49 | + echo "$RANDOM" >> $CONF_FILE |
| 50 | + |
| 51 | + git add $CONF_FILE &> /dev/null |
| 52 | + git commit -m "$2" --date "$2" &> /dev/null |
| 53 | +} |
| 54 | + |
| 55 | +if [ -f $CONF_FILE ]; then |
| 56 | + echo "conf file is exist. go go go" |
| 57 | + |
| 58 | + _START_DATE=$(sed -n '1p' $CONF_FILE) |
| 59 | + _LAST_DATE=$(sed -n '2p' $CONF_FILE) |
| 60 | + _WEEK_COUNT=$(sed -n '3p' $CONF_FILE) |
| 61 | + |
| 62 | + _LAST_WOY=$(date -r $_LAST_DATE +%U) |
| 63 | + _LAST_WOY=$((10#$_LAST_WOY)) |
| 64 | + |
| 65 | + _CURRENT_DOW=$(date -r $CURRENT_DATE_TS +%u) |
| 66 | + _CURRENT_WOY=$(date -r $CURRENT_DATE_TS +%U) |
| 67 | + _CURRENT_WOY=$((10#$_CURRENT_WOY)) |
| 68 | + |
| 69 | + if [ $(date -r $CURRENT_DATE_TS +%F) == $(date -r $_LAST_DATE +%F) ]; then |
| 70 | + echo "already draw today. skip." |
| 71 | + exit 0 |
| 72 | + fi |
| 73 | + |
| 74 | + if [[ $_CURRENT_WOY -gt $_LAST_WOY ]]; then |
| 75 | + echo "_CURRENT_WOY=$_CURRENT_WOY _LAST_WOY=$_LAST_WOY" |
| 76 | + _WEEK_COUNT=$(( $_WEEK_COUNT + ($_CURRENT_WOY - $_LAST_WOY) )) |
| 77 | + elif [[ $_CURRENT_WOY -lt $_LAST_WOY ]]; then |
| 78 | + _WEEK_COUNT=$(( $_WEEK_COUNT + 1 )) |
| 79 | + fi |
| 80 | + |
| 81 | + week_count=$(( $_WEEK_COUNT % 54 )) |
| 82 | + |
| 83 | + cur_dow=$_CURRENT_DOW |
| 84 | + if [[ $_CURRENT_DOW -eq 7 ]]; then |
| 85 | + cur_dow=0 |
| 86 | + fi |
| 87 | + |
| 88 | + commit_count=$(_readimagepixel $week_count $cur_dow) |
| 89 | + for i in $(seq 1 $commit_count); do |
| 90 | + _flush "$_START_DATE" "$(date -r $CURRENT_DATE_TS +%s)" "$_WEEK_COUNT" |
| 91 | + done |
| 92 | + echo "$commit_count" |
| 93 | +else |
| 94 | + echo "conf file not exist. check if do start" |
| 95 | + |
| 96 | + if [ $(date -r $CURRENT_DATE_TS +%u) -ne 1 ]; then |
| 97 | + echo "now is not the time to start" |
| 98 | + exit 0 |
| 99 | + fi |
| 100 | + |
| 101 | + echo "IT'S TIME BEGIN!!1" |
| 102 | + |
| 103 | + commit_count=$(_readimagepixel 0 0) |
| 104 | + for i in $(seq 1 $commit_count); do |
| 105 | + _flush "$(date -r $CURRENT_DATE_TS +%s)" "$(date -r $CURRENT_DATE_TS +%s)" 0 |
| 106 | + done |
| 107 | + echo "$commit_count" |
| 108 | +fi |
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