-### -*-sh-*-
+### -*-bash-*-
###
-### Bash session things
+### Bash session things.
+
+__mdw_shell=bash
## Only do this if we haven't done it before. (Note that this guard isn't
## exported, so subshells will need to make their own arrangements.)
-if [ -z "$__mdw_bashrc" ]; then
-__mdw_bashrc=done
+case ${__mdw_bashrc+t} in
+ t) ;;
+ *) __mdw_bashrc=t
+
+## Fetch the common configuration.
+. "$HOME/.shell-rc"
## If we've not run the main profile yet, we should do that first. It sets
## up things we rely on. Also, if there's a system script, we should run
## that too.
-[ -z "$__mdw_profile" -a -r $HOME/.bash_profile ] && . $HOME/.bash_profile
-[ -r /etc/bashrc ] && . /etc/bashrc
+case ${__mdw_profile+t} in t) ;; *) . "$HOME/.profile" ;; esac
+__mdw_source_if_exists /etc/bashrc
-## Set the temporary directory again. (If we've switched users, we'll want a
-## different temporary directory.)
-[ "${TMPDIR+yes}" ] || eval `tmpdir -b`
+## Completion.
+__mdw_source_if_exists /etc/bash_completion "$HOME/.bash_completion"
###--------------------------------------------------------------------------
### Prompt hacking.
-## Only bother if the shell is interactive.
-if [ -t 0 ]; then
-
- ## Fancy highlighting in some terminals.
+__mdw_set_prompt_hacks () {
case "$TERM" in
linux*|screen*|xterm*|vt100*|eterm*)
- bold="\[$(tput bold)\]" unbold="\[$(tput sgr0)\]" nl="\[\r\]" ;;
- *)
- bold='' unbold='' nl='' ;;
+ case "$(tput bold)" in
+ "") bold="\[$(tput md)\]" unbold="\[$(tput me)\]" ;;
+ *) bold="\[$(tput bold)\]" unbold="\[$(tput sgr0)\]" ;;
+ esac
+ gitcolour="\[$(tput setaf 6)\]"
+ rccolour="\[$(tput setaf 1)\]"
+ uncolour="\[$(tput op)\]"
+ nl="\[\r\]"
+ ;;
esac
+ host='\h' dir=' \w'
+}
- ## Choose the right delimiters. Highlight root prompts specially;
- ## highlight when I'm running as some other user. Highlight when this
- ## isn't the outermost shell on the terminal.
- if (( EUID == 0 )); then
- left=`echo « | iconv -f utf8 -t //translit`
- right=`echo » | iconv -f utf8 -t //translit`
- else
- case $USER in
- mdw|mwooding) u="" left="[" right="]" ;;
- *) u="\\u@" left="{" right="}" ;;
- esac
- if [ "$__mdw_tty" = "`tty`" ]; then
- left="<" right=">"
- else
- export __mdw_tty="`tty`"
- fi
- fi
-
- ## If this session is insecure then highlight that.
- if [ -z "$SSH_CLIENT" ] &&
- [ "$__mdw_sechost" != "`hostname`" ]
- then
- sec_l='(' sec_r=')'
- fi
-
- ## Build the prompt string.
- PS1="$nl$bold$left$sec_l$u\\h$sec_r \\w$right$unbold"
- PS2="$PS1 $bold>$unbold "
+__mdw_before_cmd_hack () {
+ set -- $(history 1); shift
+ __mdw_preexec "$*"
+}
+## Only bother if the shell is interactive.
+if [ -t 0 ]; then
+ PROMPT_DIRTRIM=5
+ __mdw_source_if_exists /usr/lib/git-core/git-sh-prompt
+ __mdw_set_prompt_pieces
+ PROMPT_COMMAND=__mdw_precmd
+ PS0="\$(__mdw_before_cmd_hack)"
fi
###--------------------------------------------------------------------------
shopt -u dotglob
shopt -s expand_aliases
shopt -s extglob
-shopt -s globstar
+if (( ${BASH_VERSINFO[0]} >= 4 )); then shopt -s globstar; fi
shopt -s gnu_errfmt
shopt -s histappend
+set -o histexpand
shopt -s histreedit
shopt -u histverify
shopt -s hostcomplete
shopt -s sourcepath
HISTCONTROL=ignorespace:erasedups
-## Some handy aliases.
-alias cx='chmod a+x'
-alias which="command -v"
-alias rc="rc -l"
-alias ssync="rsync -e ssh"
-alias rootly=$__MDW_ROOTLY
-alias r=rootly
-alias re="rootly $EDITOR"
-alias pstree="pstree -hl"
-alias cdtmp='cd ${TMPDIR-/tmp}'
-alias pushtmp='pushd ${TMPDIR-/tmp}'
-alias e="$EDITOR"
-alias svn="svnwrap svn"
-alias @="ssh"
-
-## Completion.
-[ -r /etc/bash_completion ] && . /etc/bash_completion
-[ -r $HOME/.bash_completion ] && . $HOME/.bash_completion
-
-###--------------------------------------------------------------------------
-### Colour output.
-
-## Arrange for `ls' output to be in colour.
-if [ -x /usr/bin/dircolors -o -x /usr/local/bin/dircolors ]; then
- eval `dircolors -b ~/.dircolors`
-else
- unset LS_COLORS
-fi
-
-ls () {
- if [ -t 1 ]; then
- command ls $LS_OPTIONS ${LS_COLORS+--color=auto} "$@"
- else
- command ls "$@"
- fi
-}
-
-## Arrange for `grep' output to be in colour.
-export GREP_COLORS="mt=01;31:ms=01;31:mc=031;31:fn=36:ln=36:bn=36:se=34"
-
-greplike () {
- declare grep=$1; shift
- if [ -t 1 ]; then
- command $grep ${GREP_COLORS+--color=always} "$@" | mdw-pager
- else
- command $grep "$@"
- fi
-}
-alias grep="greplike grep"
-alias egrep="greplike egrep"
-alias fgrep="greplike fgrep"
-alias zgrep="greplike zgrep"
-
-## Turn off pagers inside Emacs shell buffers.
-case "$INSIDE_EMACS" in
- 22.*,comint) export PAGER=cat ;;
-esac
-
-###--------------------------------------------------------------------------
-### More complicated shell functions.
-
-## xt [@HOST] XTERM-ARGS
-##
-## Open a terminal, maybe on a remote host.
-xt () {
- case "$1" in
- @*)
- local remote=${1#@} title
- shift
- if [ $# -gt 0 ]; then
- title="xterm [$remote] $1"
- else
- title="xterm [$remote]"
- fi
- (xterm -title "$title" -e ssh $remote "$@" &)
- ;;
- *)
- (xterm "$@" &)
- ;;
- esac
-}
-
-## core [y|n]
-##
-## Tweak core dumps on and off, or show the current status.
-core () {
- case "x$1" in
- xon|xy|xyes) ulimit -Sc `ulimit -Hc` ;;
- xoff|xn|xno) ulimit -Sc 0 ;;
- x)
- local l=`ulimit -Sc`
- case $l in
- 0) echo "Core dumps disabled" ;;
- unlimited) echo "Core dumps enabled" ;;
- *) echo "Core dump limit is $l blocks" ;;
- esac
- ;;
- *)
- echo >&2 "usage: core [y|n]"
- return 1
- ;;
- esac
-}
-
-## world [NAME]
-##
-## Set current security world to NAME. With no NAME, print the currently
-## selected world.
-world () {
- local nfast=${NFAST_HOME-/opt/nfast}
- local kmdata
- case "$#" in
- 0)
- echo "${NFAST_KMDATA#$nfast/kmdata-}"
- ;;
- *)
- if [ -d "$1" ]; then
- kmdata=$1
- elif [ -d "$nfast/kmdata-$1" ]; then
- kmdata=$nfast/kmdata-$1
- else
- echo >&2 "world: can't find world $1"
- return 1
- fi
- shift
- case "$#" in
- 0) export NFAST_KMDATA=$kmdata ;;
- *) "$@" ;;
- esac
- ;;
- esac
-}
-
-## Fix `man' under Slowaris.
-case "$MACHTYPE" in
- *solaris*)
- man () {
- declare -i i=0
- declare arg
- declare -a man
- for arg; do
- case "$arg" in [0-9]*) man[i+=1]="-s" ;; esac
- man[i+=1]="$arg"
- done
- command man "${man[@]}"
- }
- ;;
-esac
-
-###--------------------------------------------------------------------------
-### Path hacks.
-
-## path-add [VAR] DIR
-##
-## Add DIR to the beginning of PATH-like variable VAR (defaults to PATH) if
-## it's not there already.
-path-add () {
- local pathvar export dir val
- case $# in
- 1) pathvar=PATH dir=$1 export="export PATH";;
- 2) pathvar=$1 dir=$2 export=:;;
- *) echo >&2 "Usage: $0 [VAR] DIR";;
- esac
- eval "val=\$$pathvar"
- case ":$val:" in
- *:"$dir":*) ;;
- *) val=$dir:$val ;;
- esac
- eval "$pathvar=\$val"
- $export
-}
-
-## path-remove [VAR] DIR
-##
-## Remove DIR from PATH-like variable VAR (defaults to PATH); it's not an
-## error if DIR isn't in VAR.
-path-remove () {
- local pathvar export dir val
- case $# in
- 1) pathvar=PATH dir=$1 export="export PATH";;
- 2) pathvar=$1 dir=$2 export=:;;
- *) echo >&2 "Usage: $0 [VAR] DIR";;
- esac
- eval "val=\$$pathvar"
- case ":$val:" in
- :"$dir":) val= ;;
- :"$dir":*) val=${val#$dir:} ;;
- *:"$dir":) val=${val%:$dir} ;;
- *:"$dir":*) val=${val/:$dir:/:} ;;
- esac
- eval "$pathvar=\$val"
- $export
-}
-
-## pathhack [-f] +HACK|-HACK...
-##
-## Each HACK refers to a subdirectory of `~/bin/hacks'. A hack name preceded
-## by `+' adds the directory to the PATH; a `-' removes. Adding a hack
-## that's already on the PATH doesn't do anything unless `-f' is set, in
-## which case it gets moved to the beginning. With no arguments, print the
-## currently installed hacks.
-pathhack () {
- if [ $# -eq 0 ]; then
- local IFS=:
- for e in $PATH; do
- case "$e" in
- "$HOME/bin/hacks/"*)
- echo ${e#$HOME/bin/hacks/}
- ;;
- esac
- done
- return
- fi
- local force=nil
- local path=$PATH
- while [ $# -gt 0 ]; do
- arg=$1
- case "$arg" in
- -f | --force)
- force=t
- shift
- continue
- ;;
- --)
- shift
- break
- ;;
- [-+]*)
- ;;
- *)
- break
- ;;
- esac
- hack=${arg#[+-]}
- dir=$HOME/bin/hacks/$hack
- [ -d "$dir" ] || {
- echo "$0: path hack $hack not found"
- return 1
- }
- case "$arg,$force,:$PATH:" in
- -*,*,*:"$dir":*)
- path-remove path "$dir"
- ;;
- +*,t,*:"$dir":*)
- path-remove path "$dir"
- path-add path "$dir"
- ;;
- +*,nil,*:"$dir":*)
- ;;
- +*,*)
- path-add path "$dir"
- ;;
- esac
- shift
- done
- if [ $# -eq 0 ]; then
- PATH=$path
- export PATH
- else
- PATH=$path "$@"
- fi
-}
-
###--------------------------------------------------------------------------
### Finishing touches.
-## For `root' use -- some simple molly-guards.
-if (( UID == 0 )); then
- alias rm='rm -i' cp='cp -i' mv='mv -i'
- set -o noclobber
-fi
-
## Run any local hooks.
-[ -f "$HOME/.bashrc-local" ] && . "$HOME/.bashrc-local"
-
-## Close the `__mdw_bashrc' guard.
-fi
+__mdw_source_if_exists "$HOME/.bashrc-local"
###----- That's all, folks --------------------------------------------------
+
+esac