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More improvements to rename-user.sh

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This commit is contained in:
Storm Dragon 2025-04-26 16:54:35 -04:00
parent 41a0592f20
commit 3612787274
1 changed files with 27 additions and 10 deletions
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37
pi4/files/root/rename-user.sh
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@ -3,6 +3,16 @@
# Renames a user # Renames a user
# Required arguments: old user name, new user name # Required arguments: old user name, new user name
set -e
question() {
echo
echo "$@"
read -r answer
answer="${answer:0:1}"
answer="${answer^}"
}
if [[ $# -ne 2 ]]; then if [[ $# -ne 2 ]]; then
echo "Usage: $0 old-user new-user" echo "Usage: $0 old-user new-user"
exit 1 exit 1
@ -20,13 +30,11 @@ fi
# Make sure old user is not logged in # Make sure old user is not logged in
if pgrep -u "$oldUser" >/dev/null; then if pgrep -u "$oldUser" >/dev/null; then
echo "The user $oldUser is currently logged in or has running processes. Cannot continue." echo "The user $oldUser is currently logged in or has running processes. Cannot continue."
echo "Would you like to forcibly log out $oldUser? (Y/N)" question "Would you like to forcibly log out $oldUser? (Y/N)"
read -r answer
answer="${answer:0:1}"
answer="${answer^}"
if [[ "$answer" != "Y" ]]; then if [[ "$answer" != "Y" ]]; then
exit 1 exit 1
fi fi
systemctl stop display-manager
loginctl terminate-user "$oldUser" loginctl terminate-user "$oldUser"
sleep 2 sleep 2
if pgrep -u "$oldUser" >/dev/null; then if pgrep -u "$oldUser" >/dev/null; then
@ -48,17 +56,20 @@ if ! [[ "$newUser" =~ ^[a-z_][a-z0-9_-]{0,31}$ ]]; then
fi fi
# Passed all safety checks, proceed with the rename # Passed all safety checks, proceed with the rename
echo "Renaming $oldUser to $newUser..."
groups=$(id -nG "$oldUser") groups=$(id -nG "$oldUser")
groups="${groups// /,}" groups="${groups// /,}"
usermod -G "$groups" -m -d "/home/$newUser" -l "$newUser" "$oldUser" usermod -G "$groups" -m -d "/home/$newUser" -l "$newUser" "$oldUser"
# Update nodm.conf if it exists # Update nodm.conf if it exists
if [[ -e /etc/nodm.conf ]]; then if [[ -e /etc/nodm.conf ]]; then
echo "Updating /etc/nodm.conf..."
sed -i -e "s#^NODM_USER=.*#NODM_USER='$newUser'#" -e "s#^NODM_XSESSION=.*#NODM_XSESSION='/home/$newUser/.xinitrc'#" /etc/nodm.conf sed -i -e "s#^NODM_USER=.*#NODM_USER='$newUser'#" -e "s#^NODM_XSESSION=.*#NODM_XSESSION='/home/$newUser/.xinitrc'#" /etc/nodm.conf
fi fi
# Copy over crontab if it exists # Copy over crontab if it exists
if crontab -u "$oldUser" -l >/tmp/${oldUser}_crontab.bak 2>/dev/null; then if crontab -u "$oldUser" -l >/tmp/${oldUser}_crontab.bak 2>/dev/null; then
echo "Copying over crontab..."
if crontab -u "$newUser" "/tmp/${oldUser}_crontab.bak"; then if crontab -u "$newUser" "/tmp/${oldUser}_crontab.bak"; then
rm "/tmp/${oldUser}_crontab.bak" rm "/tmp/${oldUser}_crontab.bak"
else else
@ -69,18 +80,24 @@ fi
# Update linger # Update linger
if [[ -e "/var/lib/systemd/linger/$oldUser" ]]; then if [[ -e "/var/lib/systemd/linger/$oldUser" ]]; then
echo "Enabling linger..."
mv "/var/lib/systemd/linger/$oldUser" "/var/lib/systemd/linger/$newUser" mv "/var/lib/systemd/linger/$oldUser" "/var/lib/systemd/linger/$newUser"
fi fi
# Optionally update files in new home directory # Optionally update files in new home directory
echo
echo "Would you like to search for references to $oldUser and update them to $newUser in files located in /home/$newUser?" echo "Would you like to search for references to $oldUser and update them to $newUser in files located in /home/$newUser?"
echo "This can take a while. (Y/N)" question "This can take a while. (Y/N)"
read -r answer
answer="${answer:0:1}"
answer="${answer^}"
if [[ "$answer" == "Y" ]]; then if [[ "$answer" == "Y" ]]; then
find "/home/$newUser" -type f -exec sed -i "s|$oldUser|$newUser|g" "{}" \; echo "Updating files..."
find "/home/$newUser" -type f -exec grep -Iq . "{}" \; -and -exec sed -i "s|$oldUser|$newUser|g" "{}" \;
fi
echo
echo "Rename complete. The user, $newUser, is now available."
question "Would you like to reboot?"
if [[ "${answer}" == "Y" ]]; then
reboot
fi fi
exit 0 exit 0