Add backup scripts (require root)

.bash_xinitrc

@@ -169,21 +169,26 @@ export MAIL="timo42@proton.me"
 
 export GOPATH="$HOME/go"
 
-ld_lib_path_append "${LD_LIBRARY_PATH}:${HOME}/.local/lib"
+# ld_lib_path_append \
-export LD_LIBRARY_PATH
+# 	"${HOME}/.local/lib"
+# export LD_LIBRARY_PATH
 
-path_prepend "/bin" \
+path_prepend \
+	"/bin" \
 	"/sbin" \
 	"/usr/bin" \
 	"/usr/sbin" \
 	"/usr/local/bin" \
-	"/usr/lcoal/sbin" \
+	"/usr/local/sbin" \
-	"/usr/local/games" \
 	"/usr/games" \
+	"/usr/local/games" \
 	"/snap/bin" \
+
+path_append \
 	"${HOME}/bin" \
+	"${HOME}/.bin" \
 	"${HOME}/.local/bin" \
-	"${HOME}/.local/include" \
+	"${HOME}/.local/sbin" \
 	"${HOME}/.brew/bin" \
 	"${GOPATH}/bin"
 export PATH

.bashrc

@@ -1,6 +1,8 @@
 #! /bin/bash --
 # ex: set ts=4 sw=4 ft=sh
 
+# TODO: Test on solaris (and other unices). Many tools will fail since we're not considering /usr/xpg4/bin
+
 # Exit when noninteractive. This is more portable than checking PS1.
 [ "${-#*i}" = "${-}" ] && return
 
@@ -52,6 +54,73 @@ hash -r
 unalias -a
 unset POSIXLY_CORRECT
 
+################################# ENVIRONMENT ##################################
+export EDITOR="$({	type -P nvim ||
+					type -P vim  ||
+					type -P vi   ||
+					type -P nvi  ||
+					type -P hx   ||
+					type -P nano ||
+					type -P ex   ||
+					type -P ed ; } 2>/dev/null)"
+export GIT_SSH_COMMAND='ssh -oIdentitiesOnly=yes -F"${HOME-}"/.ssh/config'
+export LANG='en_US.UTF-8'
+export USER="${USER:-$(whoami)}"
+export VISUAL="${EDITOR-}"
+export SUDO_EDITOR="${EDITOR-}"
+export XDG_RUNTIME_DIR="/run/user/$(id -u)"
+export SSH_AUTH_SOCK="$XDG_RUNTIME_DIR/ssh-agent.socket"
+export GIT_CONFIG_GLOBAL="$HOME/.gitconfig"
+export GPG_TTY="$(tty)"
+export _JAVA_AWT_WM_NONREPARENTING="1"
+export USER42="tischmid"
+export EMAIL42="timo42@proton.me"
+export MAIL="timo42@proton.me"
+export GOPATH="$HOME/go"
+export MANPAGER='nvim +Man!'
+# export MANPAGER='less -X'
+export BAT_THEME='gruvbox-dark'
+# export BAT_THEME='gruvbox-light'
+export PATH
+export LD_LIBRARY_PATH
+
+if ! [ -n "${USER-}" ] ; then
+if ! USER="$(2>/dev/null ps -o user= -p "${$}" | awk '{print $1}')" ; then
+if ! USER="$(2>/dev/null whoami)" ; then
+if ! USER="$(2>/dev/null id -u -n)"; then
+if ! USER="$(basename -- "$(HOME=~ && printf %s "${HOME}")")" ; then
+if ! USER="$(2>/dev/null logname)" ; then
+if USER="${LOGNAME-}" ; [ -z "${USER}" ] ; then
+unset USER
+fi; fi; fi; fi; fi; fi; fi
+
+if ! [ -n "${HOME-}" ] ; then
+if ! HOME="$(getent passwd "$(id -u "${USER}")" | cut -d: -f6)" ; then
+if ! HOME="$(getent passwd "${UID}" | cut -d: -f6)" ; then
+if ! HOME="$(awk -v FS=':' -v user="${USER}" '($1==user) {print $6}' "/etc/passwd")" ; then
+unset HOME
+HOME=~
+if [ "${HOME}" = "~" ] ; then
+if ! mkdir "/tmp/${USER}" && HOME="/tmp/${USER}" ; then
+unset HOME
+fi; fi ; fi ; fi ; fi; fi
+
+[ -n "${DISPLAY-}" ] || log.warn 'DISPLAY not set'
+
+if [ ! "${TERM-}" = "linux" ] ; then
+	if [ -f '/usr/share/terminfo/x/xterm-256color' ] ; then
+		export TERM='xterm-256color'
+	elif [ -f '/usr/share/terminfo/x/xterm-color' ] ; then
+		export TERM='xterm-color'
+	elif [ -f '/usr/share/terminfo/x/xterm' ] ; then
+		export TERM='xterm'
+	elif [ -f '/usr/share/terminfo/s/screen-256color' ] ; then
+		export TERM='screen-256color'
+	elif [ -f '/usr/share/terminfo/s/screen' ] ; then
+		export TERM='screen'
+	fi
+fi
+
 ######################## path append & prepend (posix) #########################
 pathvarprepend () {
 	# prepending paths to pathvar denoted by the expansion of the PATHVAR parameter
@@ -207,14 +276,15 @@ readonly BASH_SESSION_NAME="${$}"
 HISTSIZE='-1'
 HISTFILESIZE='-1'
 REAL_HISTFILE="${HOME}/.better_bash_history/.bash_history_$(printf "%(%Y-%m-%d)T")_daily"
+REAL_HISTDIR="$(dirname -- "${REAL_HISTFILE}")"
 HISTFILE="${HOME}/.better_bash_history/.bash_history_$(printf '%(%Y-%m-%d-%H-%M-%S)T')_${BASH_SESSION_NAME}"
-HISTDIR="$(dirname -- "$HISTFILE")"
+HISTDIR="$(dirname -- "${HISTFILE}")"
 HISTTIMEFORMAT=$'\033[m%F %T: '
 HISTCONTROL='ignoreboth'
 history -c
 history -r -- "${REAL_HISTFILE}"
 write_history () {
-	[ -d "${REAL_HISTFILE}" ] || { rm -f -- "$(dirname -- "${REAL_HISTFILE}")" && mkdir -p -- "$(dirname -- "${REAL_HISTFILE}")" ; }
+	[ -d "${REAL_HISTDIR}" ] || { rm -f -- "${REAL_HISTDIR}" && mkdir -p -- "${REAL_HISTDIR}" ; }
 	[ -f "${HISTFILE}" ] &&
 		[ -r "${HISTFILE}" ] &&
 		<"${HISTFILE}" 1>/dev/null tee -a -- "${REAL_HISTFILE}" &&
@@ -532,45 +602,6 @@ clone42 () {
 	} || { printf '%s\n' "Could not clone repo!" ; }
 }
 
-################################# ENVIRONMENT ##################################
-export GIT_SSH_COMMAND='ssh -oIdentitiesOnly=yes -F"${HOME-}"/.ssh/config'
-
-export LANG='en_US.UTF-8'
-export USER="${USER:-$(whoami)}"
-
-export EDITOR="$({	type -P nvim ||
-					type -P vim  ||
-					type -P vi   ||
-					type -P nvi  ||
-					type -P hx   ||
-					type -P nano ||
-					type -P ex   ||
-					type -P ed ; } 2>/dev/null)"
-export VISUAL="${EDITOR-}"
-export SUDO_EDITOR="${EDITOR-}"
-
-export MANPAGER='nvim +Man!'
-# export MANPAGER='less -X'
-
-export BAT_THEME='gruvbox-dark'
-# export BAT_THEME='gruvbox-light'
-
-[ -n "${DISPLAY-}" ] || log.warn 'DISPLAY not set'
-
-if [ ! "${TERM-}" = "linux" ] ; then
-	if [ -f '/usr/share/terminfo/x/xterm-256color' ] ; then
-		export TERM='xterm-256color'
-	elif [ -f '/usr/share/terminfo/x/xterm-color' ] ; then
-		export TERM='xterm-color'
-	elif [ -f '/usr/share/terminfo/x/xterm' ] ; then
-		export TERM='xterm'
-	elif [ -f '/usr/share/terminfo/s/screen-256color' ] ; then
-		export TERM='screen-256color'
-	elif [ -f '/usr/share/terminfo/s/screen' ] ; then
-		export TERM='screen'
-	fi
-fi
-
 ################################ BASH PRE-EXEC #################################
 if [ ! -f "${HOME}"/.bash-preexec.sh ] ; then
 	curl -sfkSL "https://raw.githubusercontent.com/rcaloras/bash-preexec/master/bash-preexec.sh" -o "${HOME}"/.bash-preexec.sh

.local/sbin/backup_dir

@@ -0,0 +1,18 @@
+#! /bin/sh -
+# Depends on GNU cp, basename, log.err
+
+[ "${#}" -ne "2" ] && { log.err "Usage: backup_dir BACKUP_DIR DIR" ; exit 1 ; }
+
+backupdir="${1:-${HOME}/backups}"
+srcdir="${2}"
+backupname="$(basename -- "$srcdir")"
+
+[ -d "${srcdir}" ] || { log.err "Directory '${srcdir}' does not exist" ; exit 2 ; }
+[ -d "${backupdir}" ] || mkdir -p -- "${backupdir}" || { log.err "Backup Directory '${backupdir}' couldn't be created" ; exit 3 ; }
+
+if [ -e "${backupdir}/${backupname}" ]; then
+	chattr -i "${backupdir}/${backupname}" || { log.err "Can't chattr -i '${backupdir}/${backupname}'" ; exit 4 ; }
+fi
+tar --backup=t -cvzf "${backupdir}/${backupname}" "${srcdir}" || { log.err "Can't tar --backup=t -cvzf '${backupdir}/${backupname}' '${srcdir}'" ; exit 5 ; }
+
+find "${backupdir}" -mindepth 1 -exec chattr +i {} + || { log.err "Can't chattr +i some files" ; exit 6 ; }

.local/sbin/backup_file

@@ -0,0 +1,18 @@
+#! /bin/sh -
+# Depends on GNU cp, basename, log.err
+
+[ "${#}" -ne "2" ] && { log.err "Usage: backup_dir BACKUP_DIR FILE" ; exit 1 ; }
+
+backupdir="${1:-${HOME}/backups}"
+srcfile="${2}"
+backupname="$(basename -- "$srcfile")"
+
+[ -f "${srcfile}" ] || { log.err "Regular File '${srcfile}' does not exist" ; exit 2 ; }
+[ -d "${backupdir}" ] || mkdir -p -- "${backupdir}" || { log.err "Backup Directory '${backupdir}' couldn't be created" ; exit 3 ; }
+
+if [ -e "${backupdir}/${backupname}" ]; then
+	chattr -i "${backupdir}/${backupname}" || { log.err "Can't chattr -i '${backupdir}/${backupname}'" ; exit 4 ; }
+fi
+cp --backup=t "${srcfile}" "${backupdir}/${backupname}" || { log.err "Can't cp --backup=t '${srcfile}' '${backupdir}/${backupname}'" ; exit 5 ; }
+
+find "${backupdir}" -mindepth 1 -exec chattr +i {} + || { log.err "Can't chattr +i some files" ; exit 6 ; }