Fix issue 3151: missing .vimrc and overhauled 130_create_dotfiles.sh (#…

…3154)

Create an empty
usr/share/rear/skel/default/root/.vimrc
to fix #3151
Furthermore in build/GNU/Linux/130_create_dotfiles.sh
dynamically generate .bash_history entries depending on
whether or not 'nano' and 'vi' are available, see
#3151 (comment)
and see #1306 regarding nano
and #1298 when vi is not available.

usr/share/rear/build/GNU/Linux/130_create_dotfiles.sh

@@ -1,29 +1,42 @@
-# 200_create_dotfiles.sh
+#
+# 130_create_dotfiles.sh
 #
 # Create some . dot files for Relax-and-Recover
 #
 # This file is part of Relax-and-Recover, licensed under the GNU General
 # Public License. Refer to the included COPYING for full text of license.
 
-# create a simple bash history file,
-# use this ruler to make sure the comments stay in a single line:
-# the bash prompt is: 'RESCUE $HOSTNAME:~ #
-# -----------------------------------------------------80-|
-cat <<EOF > $ROOTFS_DIR/$ROOT_HOME_DIR/.bash_history
-: # no more predefined ReaR entries in the bash history
-systemctl start sshd.service              # start SSH daemon
-ip -4 addr                                # get IPv4 address
-dhcpcd eth0                               # start DHCP client
-nano /var/lib/rear/layout/diskrestore.sh  # disk restore
-nano /var/lib/rear/layout/disklayout.conf # disk layout
-vi /var/lib/rear/layout/diskrestore.sh    # disk restore
-vi /var/lib/rear/layout/disklayout.conf   # disk layout
-less /var/log/rear/*                      # log file(s)
-loadkeys -d                               # default keyboard
-rear recover                              # recover system
-: # there are some predefined entries in the bash history
-EOF
-
-chmod $v 0644 $ROOTFS_DIR/$ROOT_HOME_DIR/.bash_history
+# Create bash history file or append to an existing one:
+Log "Creating or appending to $ROOTFS_DIR/$ROOT_HOME_DIR/.bash_history"
+# Use get_path to check if nano and vi are available on the original system
+# (and redirect its stdout to stderr to not get its stdout in .bash_history)
+# because get_path is also used in build/GNU/Linux/390_copy_binaries_libraries.sh
+# where nano and vi may get coiped via PROGS into the ReaR recovery system,
+# cf. https://github.com/rear/rear/issues/3151#issuecomment-1941544530
+# and see https://github.com/rear/rear/pull/1306 regarding nano
+# and https://github.com/rear/rear/issues/1298 when vi is not available.
+# Use the |--...--| ruler below so entries fit in a 80 characters line
+# so that it looks OK even on a console with 80 characters per line.
+# The ReaR recovery system bash prompt is: 'RESCUE $HOSTNAME:~ # '
+# that has about 20 characters (depending on $HOSTNAME length)
+# so about 60 characters are left to show bash history entries
+#        |------------------------------------------------------------|
+{   echo ": # no more predefined ReaR entries in the bash history"
+    echo "systemctl start sshd.service              # start SSH"
+    echo "ip -4 addr                                # IPv4 address"
+    echo "dhcpcd eth0                               # start DHCP"
+ if get_path nano 1>&2 ; then
+    echo "nano /var/lib/rear/layout/diskrestore.sh  # disk restore"
+    echo "nano /var/lib/rear/layout/disklayout.conf # disk layout"
+ fi
+ if get_path vi 1>&2 ; then
+    echo "vi /var/lib/rear/layout/diskrestore.sh    # disk restore"
+    echo "vi /var/lib/rear/layout/disklayout.conf   # disk layout"
+ fi
+    echo "less /var/log/rear/*                      # log file(s)"
+    echo "loadkeys -d                               # default keymap"
+    echo "rear recover                              # recover system"
+    echo ": # there are some predefined entries in the bash history"
+} >> $ROOTFS_DIR/$ROOT_HOME_DIR/.bash_history
 
-# any other dot files should be listed below
+# Other dot files should be listed below:

usr/share/rear/skel/default/root/.vimrc

@@ -0,0 +1 @@
+