new: track time in eshell

Now eshell will display the elapsed time of the last command at the
beginning of the prompt.

* eshell-conf.el
(eshell-current-command-start-time): the variable to track the start
time of the commands.

(eshell-prompt-time-string): this will be displayed at the prompt, if
non-nil.

(eshell-current-command-start): set an appropriate variable as the
start time of the command.

(eshell-current-command-stop): calculat the elapsed time since the
last command started and convert that into a pretty string to
display.

(eshell-current-command-time-track): add hooks.

(eshell-start-track-command-time):
(eshell-stop-track-command-time): switches of the time-tracking
mechanism.

(#'eshell-emit-prompt):
(durand-eshell-emit-prompt): advice the original function to take into
account the time information.

refactor:
(eshell/marks): add some colors

0 files changed, 0 insertions, 0 deletions