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docker-entrypoint.sh
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docker-entrypoint.sh
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#!/usr/bin/env bash
set -Eeuo pipefail
if [[ "$1" == apache2* ]] || [ "$1" = 'php-fpm' ]; then
uid="$(id -u)"
gid="$(id -g)"
if [ "$uid" = '0' ]; then
case "$1" in
apache2*)
user="${APACHE_RUN_USER:-www-data}"
group="${APACHE_RUN_GROUP:-www-data}"
# strip off any '#' symbol ('#1000' is valid syntax for Apache)
pound='#'
user="${user#$pound}"
group="${group#$pound}"
;;
*) # php-fpm
user='www-data'
group='www-data'
;;
esac
else
user="$uid"
group="$gid"
fi
if [ ! -e index.php ] && [ ! -e wp-includes/version.php ]; then
# if the directory exists and WordPress doesn't appear to be installed AND the permissions of it are root:root, let's chown it (likely a Docker-created directory)
if [ "$uid" = '0' ] && [ "$(stat -c '%u:%g' .)" = '0:0' ]; then
chown "$user:$group" .
fi
echo >&2 "WordPress not found in $PWD - copying now..."
if [ -n "$(find -mindepth 1 -maxdepth 1 -not -name wp-content)" ]; then
echo >&2 "WARNING: $PWD is not empty! (copying anyhow)"
fi
sourceTarArgs=(
--create
--file -
--directory /usr/src/wordpress
--owner "$user" --group "$group"
)
targetTarArgs=(
--extract
--file -
)
if [ "$uid" != '0' ]; then
# avoid "tar: .: Cannot utime: Operation not permitted" and "tar: .: Cannot change mode to rwxr-xr-x: Operation not permitted"
targetTarArgs+=( --no-overwrite-dir )
fi
# loop over "pluggable" content in the source, and if it already exists in the destination, skip it
# https://github.com/docker-library/wordpress/issues/506 ("wp-content" persisted, "akismet" updated, WordPress container restarted/recreated, "akismet" downgraded)
for contentPath in \
/usr/src/wordpress/.htaccess \
/usr/src/wordpress/wp-content/*/*/ \
; do
contentPath="${contentPath%/}"
[ -e "$contentPath" ] || continue
contentPath="${contentPath#/usr/src/wordpress/}" # "wp-content/plugins/akismet", etc.
if [ -e "$PWD/$contentPath" ]; then
echo >&2 "WARNING: '$PWD/$contentPath' exists! (not copying the WordPress version)"
sourceTarArgs+=( --exclude "./$contentPath" )
fi
done
tar "${sourceTarArgs[@]}" . | tar "${targetTarArgs[@]}"
echo >&2 "Complete! WordPress has been successfully copied to $PWD"
fi
wpEnvs=( "${!WORDPRESS_@}" )
if [ ! -s wp-config.php ] && [ "${#wpEnvs[@]}" -gt 0 ]; then
for wpConfigDocker in \
wp-config-docker.php \
/usr/src/wordpress/wp-config-docker.php \
; do
if [ -s "$wpConfigDocker" ]; then
echo >&2 "No 'wp-config.php' found in $PWD, but 'WORDPRESS_...' variables supplied; copying '$wpConfigDocker' (${wpEnvs[*]})"
# using "awk" to replace all instances of "put your unique phrase here" with a properly unique string (for AUTH_KEY and friends to have safe defaults if they aren't specified with environment variables)
awk '
/put your unique phrase here/ {
cmd = "head -c1m /dev/urandom | sha1sum | cut -d\\ -f1"
cmd | getline str
close(cmd)
gsub("put your unique phrase here", str)
}
{ print }
' "$wpConfigDocker" > wp-config.php
if [ "$uid" = '0' ]; then
# attempt to ensure that wp-config.php is owned by the run user
# could be on a filesystem that doesn't allow chown (like some NFS setups)
chown "$user:$group" wp-config.php || true
fi
break
fi
done
fi
fi
exec "$@"