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byobu-janitor
#!/bin/sh -e # # byobu-janitor - a collection of byobu tasks that ensure a clean # environtment and smooth upgrades # # Copyright (C) 2009 Canonical Ltd. # Copyright (C) 2024 Dustin Kirkland # # Authors: Dustin Kirkland <kirkland@byobu.org> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, version 3 of the License. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. PKG="byobu" [ -r "$HOME/.byoburc" ] && . "$HOME/.byoburc" [ -z "${BYOBU_PREFIX}" ] && export BYOBU_PREFIX="/usr" || export BYOBU_PREFIX . "${BYOBU_PREFIX}/lib/${PKG}/include/common" # Ensure that all updates get run immediately rm -rf "$BYOBU_RUN_DIR/.last.$BYOBU_BACKEND" # Ensure that we re-check metadata service rm -f "$BYOBU_CONFIG_DIR/.metadata_available" "$BYOBU_RUN_DIR/.metadata_available" # Exit immediately, if we're not forced, and there is no reload flag FLAG="$BYOBU_RUN_DIR/reload-required" if [ "$1" != "--force" ] && [ ! -e "$FLAG" ]; then exit 0 fi # Set the rest of the variables DEFAULT_PROFILE="light" PROFILE="$BYOBU_CONFIG_DIR/profile" # Create byobu-exchange buffer file, with secure permissions, if it doesn't exist if ! [ -e "$BYOBU_RUN_DIR/printscreen" ]; then if eval $BYOBU_TEST install >/dev/null 2>&1; then install -m 600 /dev/null "$BYOBU_RUN_DIR/printscreen" else cp /dev/null "$BYOBU_RUN_DIR/printscreen" chmod 600 "$BYOBU_RUN_DIR/printscreen" fi fi # Affects: users who launched using sudo, such that their config dir # is not writable by them if [ -d "$BYOBU_CONFIG_DIR" ] && [ ! -w "$BYOBU_CONFIG_DIR" ]; then echo "ERROR: [$BYOBU_CONFIG_DIR] is not writable by the current user" 1>&2 exit 1 fi # Affects: Upgrades from <= byobu 4.30 # Clear out old style status configuration if ! grep -qs "^screen_upper_left=" "$BYOBU_CONFIG_DIR/status"; then rm -f "$BYOBU_CONFIG_DIR/status" "$BYOBU_CONFIG_DIR/statusrc" fi # NOTE: Older version of Screen have an arbitrary limit of only being able # to change colors 16 times in this 'hardstatus string'. # Also committed in Upstream git, but not yet released. # * http://savannah.gnu.org/bugs/?22146 # If we could reliably tell if we had a patched screen, we'd do so here... MC=0 # Affects: First runs with no configuration # Seed the configuration # Setup initial local user configuration [ -r "$BYOBU_CONFIG_DIR/color" ] || printf "BACKGROUND=k\nFOREGROUND=w\nMONOCHROME=$MC" > "$BYOBU_CONFIG_DIR/color" [ -r "$BYOBU_CONFIG_DIR/color.tmux" ] || sed -e "s/^#.*//" -e "/^\s*$/d" -e "s/^export //" "$BYOBU_PREFIX/lib/$PKG/include/colors" > "$BYOBU_CONFIG_DIR/color.tmux" [ -r "$BYOBU_CONFIG_DIR/datetime.tmux" ] || printf 'BYOBU_DATE="%%Y-%%m-%%d "\nBYOBU_TIME="%%H:%%M:%%S"\n' > "$BYOBU_CONFIG_DIR/datetime.tmux" [ -r "$BYOBU_CONFIG_DIR/profile" ] || echo "source \$BYOBU_PREFIX/share/$PKG/profiles/common" > "$BYOBU_CONFIG_DIR/profile" [ -r "$BYOBU_CONFIG_DIR/profile.tmux" ] || echo "source \$BYOBU_PREFIX/share/$PKG/profiles/tmux" > "$BYOBU_CONFIG_DIR/profile.tmux" [ -r "$BYOBU_CONFIG_DIR/keybindings" ] || echo "source \$BYOBU_PREFIX/share/$PKG/keybindings/common" > "$BYOBU_CONFIG_DIR/keybindings" [ -r "$BYOBU_CONFIG_DIR/keybindings.tmux" ] || touch "$BYOBU_CONFIG_DIR/keybindings.tmux" [ -r "$BYOBU_CONFIG_DIR/windows" ] || touch "$BYOBU_CONFIG_DIR/windows" [ -r "$BYOBU_CONFIG_DIR/windows.tmux" ] || touch "$BYOBU_CONFIG_DIR/windows.tmux" [ -r "$BYOBU_CONFIG_DIR/backend" ] || echo "BYOBU_BACKEND=$BYOBU_BACKEND" > "$BYOBU_CONFIG_DIR/backend" [ -r "$BYOBU_CONFIG_DIR/.screenrc" ] || touch "$BYOBU_CONFIG_DIR/.screenrc" [ -r "$BYOBU_CONFIG_DIR/.tmux.conf" ] || touch "$BYOBU_CONFIG_DIR/.tmux.conf" for f in status statusrc; do if [ ! -r "$BYOBU_CONFIG_DIR/$f" ]; then # Copy from skeleton, if possible cp -f "$BYOBU_PREFIX/share/$PKG/status/$f" "$BYOBU_CONFIG_DIR/$f" # If we're running in Wolfi for the first time, cycle to the 2nd status [ "$f" = "status" ] && [ "$BYOBU_DISTRO" = "Wolfi" ] && $BYOBU_PREFIX/lib/byobu/include/cycle-status fi done # Affects: Upgrades from <= byobu-2.70 that autolaunch # Update the byobu-launch line, if necessary if grep -qs " $PKG-launch$" "$HOME"/.profile; then $PKG-launcher-install fi # Affects: Upgrades from <= byobu-2.78 which might have "motd+shell" # in their window list; update this to just "shell" if grep -qs "motd+shell" "$BYOBU_CONFIG_DIR/windows"; then $BYOBU_SED_INLINE -e "s/motd+shell/shell/g" "$($BYOBU_READLINK -f $BYOBU_CONFIG_DIR/windows)" || true fi # Affects: Upgrades from <= byobu 4.3, remove ec2_rates rm -f "$BYOBU_CONFIG_DIR/ec2_rates" # Affects: Upgrades from <= byobu 4.4, update "shell" -> "byobu-shell" if grep -qs " shell$" "$BYOBU_CONFIG_DIR/windows"; then $BYOBU_SED_INLINE -e "s/ shell$/ $PKG-shell/g" "$($BYOBU_READLINK -f $BYOBU_CONFIG_DIR/windows)" || true fi # Affects: Upgrades from <= byobu 4.22 killall -u $USER byobu-statusd >/dev/null 2>&1 || true # Clean up flag (new and old) rm -f "$FLAG" "/var/run/screen/S-$USER/$PKG.reload-required" # Affects: Upgrades from <= byobu 5.50, install byobu prompt if using stock bashrc if [ -r /etc/skel/.bashrc ] && [ -r "$HOME/.bashrc" ] && [ -w "$HOME/.bashrc" ] && \ ! (grep -qs "#byobu-prompt#$" "$HOME/.bashrc") && ! [ -e "$BYOBU_CONFIG_DIR/prompt" ]; then if eval $BYOBU_TEST diff >/dev/null 2>&1; then if diff /etc/skel/.bashrc "$HOME/.bashrc" >/dev/null 2>&1; then printf "[ -r $BYOBU_CONFIG_DIR/prompt ] && . $BYOBU_CONFIG_DIR/prompt #byobu-prompt#\n" >> "$HOME/.bashrc" fi elif eval $BYOBU_TEST md5sum >/dev/null 2>&1; then if [ "$(cat /etc/skel/.bashrc | md5sum)" = "$(cat $HOME/.bashrc | md5sum)" ]; then printf "[ -r $BYOBU_CONFIG_DIR/prompt ] && . $BYOBU_CONFIG_DIR/prompt #byobu-prompt#\n" >> "$HOME/.bashrc" fi fi fi [ -r "$BYOBU_CONFIG_DIR/prompt" ] || printf "[ -r ${BYOBU_PREFIX}/share/${PKG}/profiles/bashrc ] && . ${BYOBU_PREFIX}/share/${PKG}/profiles/bashrc #byobu-prompt#\n" > "$BYOBU_CONFIG_DIR/prompt" # Affects: New Wolfi installs -- add colorized prompt to local .profile if [ "$BYOBU_DISTRO" = "Wolfi" ]; then # Wolfi defaults to "ash", which uses .profile if ! (grep -qs "#byobu-prompt#$" "$HOME/.profile"); then printf "[ -r $BYOBU_CONFIG_DIR/prompt ] && . $BYOBU_CONFIG_DIR/prompt #byobu-prompt#\n" >> "$HOME/.profile" fi # Wolfi also has bash, which uses .bashrc if ! (grep -qs "#byobu-prompt#$" "$HOME/.bashrc"); then printf "[ -r $BYOBU_CONFIG_DIR/prompt ] && . $BYOBU_CONFIG_DIR/prompt #byobu-prompt#\n" >> "$HOME/.bashrc" fi fi # Affects: Upgrades from <= byobu 5.126, clear out ec2/rcs cost statuses rm -f "$BYOBU_RUN_DIR"/cache.tmux/ec2_cost* "$BYOBU_RUN_DIR"/cache.tmux/rcs_cost* "$BYOBU_RUN_DIR"/status.tmux/ec2_cost* "$BYOBU_RUN_DIR"/status.tmux/rcs_cost* # vi: syntax=sh ts=4 noexpandtab
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