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- #!/bin/sh -e
- #
- # byobu-janitor - a collection of byobu tasks that ensure a clean
- # environtment and smooth upgrades
- #
- # Copyright (C) 2009 Canonical Ltd.
- #
- # Authors: Dustin Kirkland <kirkland@canonical.com>
- #
- # 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"
- RUN="/var/run/screen/S-$USER"
- FLAG="$RUN/$PKG.reload-required"
-
- # Exit immediately, if we're not forced, and there is no reload flag
- if [ "$1" != "--force" ] && [ ! -e "$FLAG" ]; then
- exit 0
- fi
-
- # Set the rest of the variables
- OLDPKG="screen-profiles"
- DEFAULT_PROFILE="light"
- PROFILE="$HOME/.$PKG/profile"
-
- # Establish ssh-agent socket, helps when reconnecting to a detached session
- if [ -S "$SSH_AUTH_SOCK" ] && [ -w "$RUN" ]; then
- rm -f "$RUN/$PKG.ssh-agent"
- ln -sf "$SSH_AUTH_SOCK" "$RUN/$PKG.ssh-agent"
- fi
-
- # Affects: users who launched using sudo, such that their config dir
- # is not writable by them
- if [ -d "$HOME/.$PKG" ] && [ ! -w "$HOME/.$PKG" ]; then
- echo "ERROR: [$HOME/.$PKG] is not writable by the current user" 1>&2
- exit 1
- fi
-
- # Affects: Upgrades from screen-profiles
- # If the old config dir exists, but the new one doesn't, provide a migration mechanism.
- if [ -d "$HOME/.$OLDPKG" ] && [ ! -e "$HOME/.$PKG" ]; then
- # Rename the config dir
- mv -f "$HOME/.$OLDPKG" "$HOME/.$PKG"
- ln -sf "$HOME/.$PKG" "$HOME/.$OLDPKG"
- # Fix the chosen profile symlink
- if [ -h "$PROFILE" ]; then
- # Determine the chosen profile color
- profile=`readlink "$PROFILE" | sed "s:^.*-::"`
- # Try to set that color, if it exists, otherwise set to default
- byobu-select-profile -s "$profile" >/dev/null 2>&1 || byobu-select-profile -s "$DEFAULT_PROFILE" >/dev/null 2>&1
- fi
- # Replace all instances of the old package name with the new
- sed -i "s/$OLDPKG/$PKG/g" "$HOME/.$PKG"/* || true
- fi
-
- # Affects: First runs with no configuration
- # Seed the configuration
- [ -d "$HOME/.$PKG" ] || mkdir -p "$HOME/.$PKG"
- [ -r "$PROFILE" ] || byobu-select-profile -s "$DEFAULT_PROFILE" >/dev/null 2>&1
- [ -s "$HOME/.$PKG/keybindings" ] || echo "source /usr/share/$PKG/keybindings/common" > "$HOME/.$PKG/keybindings"
- [ -r "$HOME/.$PKG/status" ] || touch "$HOME/.$PKG/status"
- [ -r "$HOME/.$PKG/windows" ] || touch "$HOME/.$PKG/windows"
- [ -r "$HOME/.screenrc" ] || touch "$HOME/.screenrc"
-
- # Affects: Upgrades from <= byobu-2.11
- # The status scripts used to have hyphens in their name, but now use
- # underscores such that we can source the file as a shell snippet;
- # fix existing status configuration.
- sed -i "s/-/_/g" "$HOME/.$PKG/status"
- sed -i "s/^disk.*=/disk=/" "$HOME/.$PKG/status"
- sed -i "s/^network.*=/network=/" "$HOME/.$PKG/status"
-
- # Affects: Upgrades from <= byobu-2.16
- # screen-launcher was renamed byobu-launcher; if the user has byobu
- # set to auto-launch, update their configuration to use the byobu-launcher
- if grep -qs "screen-launcher$" "$HOME/.profile"; then
- /usr/share/$PKG/byobu-launcher-install
- fi
-
- # Affects: Upgrades from <= byobu-2.25
- # Collapse separate status config files into the sourced config
- for i in disk network distro logo; do
- if [ -r "$HOME/.$PKG/$i" ]; then
- val=`cat $HOME/.$PKG/$i`
- uc=`echo "$i" | tr "[:lower:]" "[:upper:]"`
- case $i in
- disk|network)
- key="MONITORED_"$uc ;;
- distro|logo)
- key="$uc" ;;
- esac
- echo "$key=\"$val\"" >> "$HOME/.$PKG/statusrc"
- rm "$HOME/.$PKG/$i"
- fi
- done
-
- # Clean up flag
- rm -f "$FLAG"
-