1. # /etc/bash/bashrc
2. #
3. # This file is sourced by all *interactive* bash shells on startup,
4. # including some apparently interactive shells such as scp and rcp
5. # that can't tolerate any output.  So make sure this doesn't display
6. # anything or bad things will happen !
7.  
8.  
9. # Test for an interactive shell.  There is no need to set anything
10. # past this point for scp and rcp, and it's important to refrain from
11. # outputting anything in those cases.
12. if [[ $- != *i* ]] ; then
13.         # Shell is non-interactive.  Be done now!
14.         return
15. fi
16.  
17. # Bash won't get SIGWINCH if another process is in the foreground.
18. # Enable checkwinsize so that bash will check the terminal size when
19. # it regains control.  #65623
20. # https://tiswww.case.edu/php/chet/bash/FAQ (E11)
21. shopt -s checkwinsize
22.  
23. # Disable completion when the input buffer is empty.  i.e. Hitting tab
24. # and waiting a long time for bash to expand all of $PATH.
25. shopt -s no_empty_cmd_completion
26.  
27. # Enable history appending instead of overwriting when exiting.  #139609
28. shopt -s histappend
29.  
30. # Save each command to the history file as it's executed.  #517342
31. # This does mean sessions get interleaved when reading later on, but this
32. # way the history is always up to date.  History is not synced across live
33. # sessions though; that is what `history -n` does.
34. # Disabled by default due to concerns related to system recovery when $HOME
35. # is under duress, or lives somewhere flaky (like NFS).  Constantly syncing
36. # the history will halt the shell prompt until it's finished.
37. #PROMPT_COMMAND='history -a'
38.  
39. # Change the window title of X terminals
40. case ${TERM} in
41.         [aEkx]term*|rxvt*|gnome*|konsole*|interix)
42.                 PS1='\[\033]0;\u@\h:\w\007\]'
43.                 ;;
44.         screen*)
45.                 PS1='\[\033k\u@\h:\w\033\\\]'
46.                 ;;
47.         *)
48.                 unset PS1
49.                 ;;
50. esac
51.  
52. # Set colorful PS1 only on colorful terminals.
53. # dircolors --print-database uses its own built-in database
54. # instead of using /etc/DIR_COLORS.  Try to use the external file
55. # first to take advantage of user additions.
56. use_color=false
57. if type -P dircolors >/dev/null ; then
58.         # Enable colors for ls, etc.  Prefer ~/.dir_colors #64489
59.         LS_COLORS=
60.         if [[ -f ~/.dir_colors ]] ; then
61.                 # If you have a custom file, chances are high that it's not the default.
62.                 used_default_dircolors="no"
63.                 eval "$(dircolors -b ~/.dir_colors)"
64.         elif [[ -f /etc/DIR_COLORS ]] ; then
65.                 # People might have customized the system database.
66.                 used_default_dircolors="maybe"
67.                 eval "$(dircolors -b /etc/DIR_COLORS)"
68.         else
69.                 used_default_dircolors="yes"
70.                 eval "$(dircolors -b)"
71.         fi
72.         if [[ -n ${LS_COLORS:+set} ]] ; then
73.                 use_color=true
74.         fi
75.         unset used_default_dircolors
76. else
77.         # Some systems (e.g. BSD & embedded) don't typically come with
78.         # dircolors so we need to hardcode some terminals in here.
79.         case ${TERM} in
80.         [aEkx]term*|rxvt*|gnome*|konsole*|screen|cons25|*color) use_color=true;;
81.         esac
82. fi
83.  
84. if ${use_color} ; then
85.         if [[ ${EUID} == 0 ]] ; then
86.                 PS1+='\[\033[01;31m\]\h\[\033[01;34m\] \W \$\[\033[00m\] '
87.         else
88.                 PS1+='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w \$\[\033[00m\] '
89.         fi
90.  
91.         alias ls='ls --color=auto'
92.         alias grep='grep --colour=auto'
93.         alias egrep='egrep --colour=auto'
94.         alias fgrep='fgrep --colour=auto'
95. else
96.         if [[ ${EUID} == 0 ]] ; then
97.                 # show root@ when we don't have colors
98.                 PS1+='\u@\h \W \$ '
99.         else
100.                 PS1+='\u@\h \w \$ '
101.         fi
102. fi
103.  
104. for sh in /etc/bash/bashrc.d/* ; do
105.         [[ -r ${sh} ]] && source "${sh}"
106. done
107.  
108. # Try to keep environment pollution down, EPA loves us.
109. unset use_color sh