}
###--------------------------------------------------------------------------
+### Hooks.
+
+__mdw_addhook () {
+ local hk=$1 fn=$2 t
+
+ eval t=\${$hk+t}
+ case $t in t) ;; *) echo >&2 "unknown hook \`$hk'"; return 2; esac
+
+ eval t=\$$hk
+ case " $t " in
+ *" $fn "*) ;;
+ *) eval "$hk=\${$hk:+\$$hk }\$fn" ;;
+ esac
+}
+
+__mdw_delhook () {
+ local hk=$1 fn=$2 t l r
+
+ eval t=\${$hk+t}
+ case $t in t) ;; *) echo >&2 "unknown hook \`$hk'"; return 2; esac
+
+ eval t=\" \$$hk \"
+ case $t in
+ *" $fn "*)
+ l=${t%% $fn*} r=${t##*$fn }
+ l=${l# } r=${r% }
+ eval "$hk=\$l\${l:+ }\$r"
+ ;;
+ esac
+}
+
+__mdw_setrc () { return $1; }
+
+__mdw_runhook () {
+ local hk=$1 saverc=$? t i; shift
+
+ eval t=\${$hk+t}
+ case $t in t) ;; *) echo >&2 "unknown hook \`$hk'"; return 2; esac
+
+ eval t=\$$hk
+ for i in $t; do __mdw_setrc $saverc; "$i" "$@"; done
+}
+
+###--------------------------------------------------------------------------
### Prompt machinery.
-__mdw_set_prompt_hacks () { host=$(hostname); dir=""; }
+__mdw_host=$(hostname)
+__mdw_hqual=
+__mdw_hqual=$__mdw_hqual${SCHROOT_CHROOT_NAME+/$SCHROOT_CHROOT_NAME}
+__mdw_hqual=$__mdw_hqual${CROSS_BUILDENV+/$CROSS_BUILDENV}
+__mdw_set_prompt_hacks () { host=$__mdw_host; dir=""; }
__mdw_set_prompt_pieces () {
- local hqual
- hqual=""
## Fancy highlighting in some terminals.
local bold unbold nl gitcolour rccolour uncolour
*) sec_l="" sec_r=""
esac
- ## If this is an schroot environment then point this out.
- hqual="$hqual${SCHROOT_CHROOT_NAME+/$SCHROOT_CHROOT_NAME}"
+ ## If this is an schroot environment or some other interesting augmented
+ ## environment then point this out.
## Put together the main pieces.
- __mdw_prompt_left="$nl$bold$left$sec_l$u$host$hqual$sec_r$dir"
+ __mdw_prompt_left="$nl$bold$left$sec_l$u$host$__mdw_hqual$sec_r$dir"
__mdw_prompt_git_left="$unbold$gitcolour"
__mdw_prompt_git_right="$uncolour$bold"
__mdw_prompt_rc_left="$unbold$rccolour"
esac
}
-__mdw_precmd () {
- __mdw_set_prompt
- case ${STY+t} in
- t) printf "\ek%s\e\\" "$__mdw_shell" ;;
- esac
+__mdw_xterm_settitle () {
+ printf >/dev/tty \
+ "\e]2;%s@%s:%s – %s\e\\" \
+ "$USER" "$__mdw_host" "$PWD" \
+ "$1"
}
+__mdw_xterm_precmd () { __mdw_xterm_settitle "$__mdw_shell"; }
+__mdw_xterm_preexec () { __mdw_xterm_settitle "$1"; }
-__mdw_preexec () {
- case ${STY+t} in
- t) printf "\ek%s\e\\" "$1" ;;
- esac
+__mdw_screen_settitle () {
+ printf >/dev/tty \
+ "\ek%s\e\\" \
+ "$1"
}
+__mdw_screen_precmd () { __mdw_screen_settitle "$__mdw_shell"; }
+__mdw_screen_preexec () { __mdw_screen_settitle "$1"; }
+
+if [ -t 0 ]; then
+ case ${STY+t},${__mdw_precmd_hook+t},${__mdw_preexec_hook+t},${TERM} in
+ ,t,t,xterm*)
+ __mdw_addhook __mdw_precmd_hook __mdw_xterm_precmd
+ __mdw_addhook __mdw_preexec_hook __mdw_xterm_preexec
+ ;;
+ t,t,t,*)
+ __mdw_addhook __mdw_precmd_hook __mdw_screen_precmd
+ __mdw_addhook __mdw_preexec_hook __mdw_screen_preexec
+ ;;
+ esac
+ case ${__mdw_precmd_hook+t} in
+ t) __mdw_addhook __mdw_precmd_hook __mdw_set_prompt ;;
+ esac
+fi
###--------------------------------------------------------------------------
### Some handy aliases.
alias svn="svnwrap svn"
alias @="ssh"
alias make="nice make"
+alias cross-run="nice cross-run"
+alias gdb="gdb -q"
###--------------------------------------------------------------------------
### Colour output.
alias fgrep="greplike fgrep"
alias zgrep="greplike zgrep"
+## Arrange for `diff' output to be in colour.
+export DIFF_COLORS="hd=1:ln=36:ad=32:de=31"
+difflike () {
+ local diff=$1; shift
+ if [ -t 1 ]; then
+ command $diff \
+ ${DIFF_COLORS+--color=always} \
+ ${DIFF_COLORS+--palette="$DIFF_COLORS"} \
+ "$@" | mdw-pager
+ else
+ command $diff "$@" | cat
+ fi
+}
+alias diff="difflike diff"
+
###--------------------------------------------------------------------------
### Other hacks.