Swap users uids

swap-uid.sh

SITE_USER=mysiteuser
SITE_GROUP=$(id $SITE_USER | sed -E 's/.+gid=[[:digit:]]+\(([^)]+)\).+/\1/g')
PROJECT_DIR=/var/www/mysiteproject
BUTHEAD_USER=dimti
FROM_UID=1001
TO_UID=1000
INTERMEDIATE_UID=1002

usermod -u $INTERMEDIATE_UID $BUTHEAD_USER && \
groupmod -g $INTERMEDIATE_UID $BUTHEAD_USER && \
usermod -u $TO_UID $SITE_USER && \
groupmod -g $TO_UID $SITE_GROUP && \

chown -Rh --from=$FROM_UID $TO_UID $PROJECT_DIR && \
chown -Rh --from=:$FROM_UID :$TO_UID $PROJECT_DIR && \

usermod -u $FROM_UID $BUTHEAD_USER && \
groupmod -g $FROM_UID $BUTHEAD_USER