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1 #!/bin/bash |
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2 set -euo pipefail |
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3 |
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4 # usage: file_env VAR [DEFAULT] |
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5 # ie: file_env 'XYZ_DB_PASSWORD' 'example' |
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6 # (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of |
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7 # "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature) |
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8 file_env() { |
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9 local var="$1" |
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10 local fileVar="${var}_FILE" |
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11 local def="${2:-}" |
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12 if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then |
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13 echo >&2 "error: both $var and $fileVar are set (but are exclusive)" |
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14 exit 1 |
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15 fi |
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16 local val="$def" |
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17 if [ "${!var:-}" ]; then |
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18 val="${!var}" |
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19 elif [ "${!fileVar:-}" ]; then |
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20 val="$(< "${!fileVar}")" |
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21 fi |
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22 export "$var"="$val" |
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23 unset "$fileVar" |
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24 } |
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25 |
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26 generate_rnd() { |
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27 head /dev/urandom | tr -dc A-Za-z0-9 | head -c 64 |
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28 } |
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29 |
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30 if [[ "$1" == apache2* ]] || [ "$1" == php-fpm ]; then |
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31 if [ "$(id -u)" = '0' ]; then |
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32 case "$1" in |
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33 apache2*) |
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34 user="${APACHE_RUN_USER:-www-data}" |
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35 group="${APACHE_RUN_GROUP:-www-data}" |
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36 |
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37 # strip off any '#' symbol ('#1000' is valid syntax for Apache) |
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38 pound='#' |
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39 user="${user#$pound}" |
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40 group="${group#$pound}" |
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41 ;; |
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42 *) # php-fpm |
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43 user='www-data' |
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44 group='www-data' |
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45 ;; |
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46 esac |
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47 else |
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48 user="$(id -u)" |
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49 group="$(id -g)" |
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50 fi |
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51 |
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52 # allow any of these "Authentication Unique Keys and Salts." to be specified via |
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53 # environment variables with a "WORDPRESS_" prefix (ie, "WORDPRESS_AUTH_KEY") |
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54 uniqueEnvs=( |
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55 AUTH_KEY |
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56 SECURE_AUTH_KEY |
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57 LOGGED_IN_KEY |
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58 NONCE_KEY |
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59 AUTH_SALT |
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60 SECURE_AUTH_SALT |
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61 LOGGED_IN_SALT |
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62 NONCE_SALT |
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63 ) |
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64 envs=( |
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65 WORDPRESS_DB_HOST |
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66 WORDPRESS_DB_USER |
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67 WORDPRESS_DB_PASSWORD |
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68 WORDPRESS_DB_NAME |
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69 WORDPRESS_DB_CHARSET |
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70 WORDPRESS_DB_COLLATE |
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71 "${uniqueEnvs[@]/#/WORDPRESS_}" |
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72 WORDPRESS_TABLE_PREFIX |
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73 WORDPRESS_DEBUG |
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74 WORDPRESS_CONFIG_EXTRA |
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75 ) |
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76 haveConfig= |
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77 for e in "${envs[@]}"; do |
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78 file_env "$e" |
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79 if [ -z "$haveConfig" ] && [ -n "${!e}" ]; then |
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80 haveConfig=1 |
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81 fi |
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82 done |
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83 |
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84 # linking backwards-compatibility |
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85 if [ -n "${!MYSQL_ENV_MYSQL_*}" ]; then |
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86 haveConfig=1 |
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87 # host defaults to "mysql" below if unspecified |
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88 : "${WORDPRESS_DB_USER:=${MYSQL_ENV_MYSQL_USER:-root}}" |
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89 if [ "$WORDPRESS_DB_USER" = 'root' ]; then |
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90 : "${WORDPRESS_DB_PASSWORD:=${MYSQL_ENV_MYSQL_ROOT_PASSWORD:-}}" |
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91 else |
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92 : "${WORDPRESS_DB_PASSWORD:=${MYSQL_ENV_MYSQL_PASSWORD:-}}" |
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93 fi |
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94 : "${WORDPRESS_DB_NAME:=${MYSQL_ENV_MYSQL_DATABASE:-}}" |
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95 fi |
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96 |
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97 # TODO : create .env file if needed |
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98 if [ ! -e .env ] && [ "$haveConfig" ]; then |
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99 : "${WORDPRESS_DB_HOST:=mysql}" |
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100 : "${WORDPRESS_DB_USER:=root}" |
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101 : "${WORDPRESS_DB_PASSWORD:=}" |
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102 : "${WORDPRESS_DB_NAME:=wordpress}" |
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103 : "${WORDPRESS_DB_CHARSET:=utf8}" |
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104 : "${WORDPRESS_DB_COLLATE:=}" |
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105 cat > .env <<-EOF |
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106 DB_NAME=${WORDPRESS_DB_NAME} |
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107 DB_USER=${WORDPRESS_DB_USER} |
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108 DB_PASSWORD=${WORDPRESS_DB_PASSWORD} |
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109 DB_HOST=db:3306 |
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110 WP_HOME=http://localhost:8080 |
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111 |
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112 WP_SITEURL=\${WP_HOME}/wp |
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113 WP_ENV=development |
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114 |
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115 AUTH_KEY='$(generate_rnd)' |
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116 SECURE_AUTH_KEY='$(generate_rnd)' |
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117 LOGGED_IN_KEY='$(generate_rnd)' |
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118 NONCE_KEY='$(generate_rnd)' |
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119 AUTH_SALT='$(generate_rnd)' |
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120 SECURE_AUTH_SALT='$(generate_rnd)' |
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121 LOGGED_IN_SALT='$(generate_rnd)' |
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122 NONCE_SALT='$(generate_rnd)' |
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123 EOF |
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124 |
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125 |
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126 chown "$user:$group" .env |
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127 |
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128 |
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129 if ! TERM=dumb php -- <<'EOPHP' |
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130 <?php |
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131 // database might not exist, so let's try creating it (just to be safe) |
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132 |
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133 $stderr = fopen('php://stderr', 'w'); |
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134 |
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135 // https://codex.wordpress.org/Editing_wp-config.php#MySQL_Alternate_Port |
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136 // "hostname:port" |
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137 // https://codex.wordpress.org/Editing_wp-config.php#MySQL_Sockets_or_Pipes |
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138 // "hostname:unix-socket-path" |
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139 list($host, $socket) = explode(':', getenv('WORDPRESS_DB_HOST'), 2); |
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140 $port = 0; |
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141 if (is_numeric($socket)) { |
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142 $port = (int) $socket; |
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143 $socket = null; |
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144 } |
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145 $user = getenv('WORDPRESS_DB_USER'); |
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146 $pass = getenv('WORDPRESS_DB_PASSWORD'); |
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147 $dbName = getenv('WORDPRESS_DB_NAME'); |
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148 |
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149 $maxTries = 10; |
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150 do { |
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151 $mysql = new mysqli($host, $user, $pass, '', $port, $socket); |
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152 if ($mysql->connect_error) { |
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153 fwrite($stderr, "\n" . 'MySQL Connection Error: (' . $mysql->connect_errno . ') ' . $mysql->connect_error . "\n"); |
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154 --$maxTries; |
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155 if ($maxTries <= 0) { |
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156 exit(1); |
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157 } |
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158 sleep(3); |
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159 } |
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160 } while ($mysql->connect_error); |
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161 |
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162 if (!$mysql->query('CREATE DATABASE IF NOT EXISTS `' . $mysql->real_escape_string($dbName) . '`')) { |
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163 fwrite($stderr, "\n" . 'MySQL "CREATE DATABASE" Error: ' . $mysql->error . "\n"); |
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164 $mysql->close(); |
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165 exit(1); |
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166 } |
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167 |
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168 $mysql->close(); |
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169 EOPHP |
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170 then |
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171 echo >&2 |
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172 echo >&2 "WARNING: unable to establish a database connection to '$WORDPRESS_DB_HOST'" |
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173 echo >&2 ' continuing anyways (which might have unexpected results)' |
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174 echo >&2 |
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175 fi |
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176 fi |
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177 |
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178 # now that we're definitely done writing configuration, let's clear out the relevant envrionment variables (so that stray "phpinfo()" calls don't leak secrets from our code) |
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179 for e in "${envs[@]}"; do |
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180 unset "$e" |
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181 done |
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182 fi |
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183 |
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184 #lauch composer if needed |
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185 if [ ! -d vendor ]; then |
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186 composer install |
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187 fi |
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188 |
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189 # first arg is `-f` or `--some-option` |
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190 if [ "${1#-}" != "$1" ]; then |
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191 set -- composer exec wp "$@" |
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192 fi |
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193 |
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194 # if our command is a valid wp-cli subcommand, let's invoke it through wp-cli instead |
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195 # (this allows for "docker run wordpress:cli help", etc) |
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196 if composer exec wp --path=/dev/null help "$1" > /dev/null 2>&1; then |
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197 set -- composer exec wp "$@" |
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198 fi |
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199 |
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200 |
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201 exec "$@" |