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Avoid overriding systemd unit/settings when not configured to do so #122

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12 changes: 10 additions & 2 deletions scripts/handle_tmux_automatic_start.sh
Original file line number Diff line number Diff line change
Expand Up @@ -18,17 +18,25 @@ is_systemd() {
[ $(ps -o comm= -p1) == 'systemd' ]
}

# Only manage the systemd unit either if it is not already installed, or if it
# was installed by us (as signified by the magic comment)
should_manage_systemd_unit() {
[ ! -f ${systemd_unit_file_path} ] \
&& \
systemctl cat --user ${systemd_service_name} | grep -q 'managed-by:tmux-continuum'
}

main() {
if is_tmux_automatic_start_enabled; then
if is_osx; then
"$CURRENT_DIR/handle_tmux_automatic_start/osx_enable.sh"
elif is_systemd; then
elif is_systemd && should_manage_systemd_unit; then
"$CURRENT_DIR/handle_tmux_automatic_start/systemd_enable.sh"
fi
else
if is_osx; then
"$CURRENT_DIR/handle_tmux_automatic_start/osx_disable.sh"
elif is_systemd; then
elif is_systemd && should_manage_systemd_unit; then
"$CURRENT_DIR/handle_tmux_automatic_start/systemd_disable.sh"
fi
fi
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3 changes: 3 additions & 0 deletions scripts/handle_tmux_automatic_start/systemd_enable.sh
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@ template() {
local tmux_path="$(command -v tmux)"

read -r -d '' content <<-EOF
#managed-by:tmux-continuum
# This file is managed by the tmux-continuum plugin. Manual changes
# will be overridden.
[Unit]
Description=tmux default session (detached)
Documentation=man:tmux(1)
Expand Down