app-shells/bash/files/bashrc.d: files from ::gentoo
Signed-off-by: Alarig Le Lay <alarig@swordarmor.fr>
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@ -34,7 +34,8 @@ elif (( gentoo_color == 16777216 )); then
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export COLORTERM=truecolor
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fi
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if (( gentoo_color <= 0 )) || ! genfun_has_readline; then
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# For direxpand to be missing indicates that bash is lacking readline support.
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if (( gentoo_color <= 0 )) || [[ ! $(shopt -p direxpand 2>/dev/null) ]]; then
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# Define a prompt without color.
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PS1='\u@\h \w \$ '
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elif (( EUID == 0 )); then
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@ -1,41 +1,41 @@
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# /etc/bash/bashrc.d/10-gentoo-title.bash
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# Set window title with the Title Definition String sequence. For screen, the
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# sequence defines the window title (%t) and for tmux, the pane_title (#T).
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# For tmux to be affected requires that its allow-rename option be enabled.
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# https://www.gnu.org/software/screen/manual/html_node/Control-Sequences.html
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case ${TERM} in
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screen*|tmux*)
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genfun_set_pane_title() {
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printf '\033k%s\033\\' "${HOSTNAME%%.*}"
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}
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PROMPT_COMMAND+=('genfun_set_pane_title')
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;;
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*)
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# If the TTY is that of sshd(8) then proceed no further. Alas,
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# there exist many operating environments in which the window
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# title would otherwise not be restored upon ssh(1) exiting.
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if [[ ${SSH_TTY} && ${SSH_TTY} == "$(tty)" ]]; then
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return
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genfun_set_win_title() {
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# Assigns the basename of the current working directory, having
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# sanitised it with @Q parameter expansion. Useful for paths containing
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# newlines and such. As a special case, names consisting entirely of
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# graphemes shall not undergo the expansion, for reasons of cleanliness.
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genfun_sanitise_cwd() {
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_cwd=${PWD##*/}
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if [[ ! ${_cwd} ]]; then
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_cwd=${PWD}
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elif [[ ${_cwd} == *[![:graph:]]* ]]; then
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_cwd=${_cwd@Q}
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fi
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esac
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}
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# Assigns the basename of the current working directory, having sanitised it
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# with @Q parameter expansion. Useful for paths containing newlines and such.
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# As a special case, names consisting entirely of graphemes shall not undergo
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# the parameter expansion, for reasons of cleanliness.
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genfun_sanitise_cwd() {
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_cwd=${PWD##*/}
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if [[ ! ${_cwd} ]]; then
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_cwd=${PWD}
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elif [[ ${_cwd} == *[![:graph:]]* ]]; then
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_cwd=${_cwd@Q}
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fi
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# Sets the window title with the Set Text Parameters sequence. For
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# screen, the sequence defines the hardstatus (%h) and for tmux, the
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# pane_title (#T). For graphical terminal emulators, it is normal for
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# the title bar to be affected.
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genfun_set_win_title() {
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genfun_sanitise_cwd
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printf '\033]0;%s@%s - %s\007' "${USER}" "${HOSTNAME%%.*}" "${_cwd}"
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}
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genfun_set_win_title
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}
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# Set window title with the Set Text Parameters sequence. For screen, the
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# sequence defines the hardstatus (%h) and for tmux, the window_name (#W).
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# For graphical terminal emulators, it is normal for the title bar be affected.
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# Proceed no further if the TTY is that of sshd(8) and if not running a terminal
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# multiplexer. Alas, there exist many operating environments in which the window
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# title would otherwise not be restored upon ssh(1) exiting. Those who wish for
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# the title to be set unconditionally may adjust ~/.bashrc - or create a custom
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# bashrc.d drop-in - to define PROMPT_COMMAND=(genfun_set_win_title).
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if [[ ${SSH_TTY} && ${TERM} != @(screen|tmux)* && ${SSH_TTY} == "$(tty)" ]]; then
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return
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fi
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# Determine whether the terminal can handle the Set Text Parameters sequence.
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# The only terminals permitted here are those for which there is empirical
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# evidence that the sequence is supported and that the UTF-8 character encoding
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# is handled correctly. Quite rightly, this precludes many vintage terminals.
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@ -48,9 +48,5 @@ case ${TERM} in
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st-256color |\
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tmux* |\
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xterm* )
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genfun_set_win_title() {
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genfun_sanitise_cwd
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printf '\033]2;%s@%s - %s\007' "${USER}" "${HOSTNAME%%.*}" "${_cwd}"
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}
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PROMPT_COMMAND+=('genfun_set_win_title')
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esac
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24
app-shells/bash/files/bashrc.d/15-gentoo-bashrc-check.bash
Normal file
24
app-shells/bash/files/bashrc.d/15-gentoo-bashrc-check.bash
Normal file
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@ -0,0 +1,24 @@
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# /etc/bash/bashrc.d/15-gentoo-bashrc-check.bash
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# Some users have ~/.bashrc as a copy of ${FILESDIR}/bashrc which either matches
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# exactly or is only trivially modified. Such is an improper state of affairs
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# and results in the bashrc.d drop-ins being sourced twice. Warn them that they
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# should use the skeleton file instead. This drop-in should be removed no sooner
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# than one year from the date of its introduction.
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if [[ -e ${TMPDIR:-/tmp}/.gentoo-bashrc-check-${EUID} || ! -f ~/.bashrc ]]; then
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return
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fi
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{
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if grep -qxF 'for sh in /etc/bash/bashrc.d/* ; do' -- ~/.bashrc; then
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cat >&3 <<'EOF'
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WARNING! Your ~/.bashrc file is based on an old copy of /etc/bash/bashrc, which
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is not intended for use within a home directory. Please either delete ~/.bashrc
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or replace it with a copy of /etc/skel/.bashrc before optionally customizing it
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further. Neglecting to do so may result in bash behaving unexpectedly.
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EOF
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fi
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touch -- "${TMPDIR:-/tmp}/.gentoo-bashrc-check-${EUID}"
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} 3>&2 2>/dev/null
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