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I'm a rather happy user of clink via the great cmder package. The only thing I miss is an easy way to set the command prompt to display the current date/time (and last exit code, history number, as in bash... etc).

Could someone point me to the right direction on how to do this?

James Skemp
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Zsolt Botykai
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  • Can you just use the Windows `date /t`? Also, Windows stores the last exit code in `%errorlevel%`, while sh uses `$?`. Try those. – Bob Jan 16 '14 at 14:11
  • But how to integrate that output to the prompt? I don't want to run `date /t` every time before running some long-running command. – Zsolt Botykai Jan 16 '14 at 14:33
  • Oh. Go see `prompt /?`, there's a date and time option in there. Again, that's standard Windows command prompt - I have no idea what clink or cmder do. – Bob Jan 16 '14 at 14:43

4 Answers4

12

The answer provided by Maximus is no longer valid for cmder 1.3+

You have to create a .lua file (for ex. my_prompt.lua) inside your cmder config folder with your customized definition (source).

Below my customization:

function custom_prompt()
  cwd = clink.get_cwd()
  prompt = "\x1b[1;32;40m{cwd} {git}{hg} \n\x1b[1;30;40m{time}\n{lamb} \x1b[0m"
  new_value = string.gsub(prompt, "{cwd}", cwd)
  add_time = string.gsub(new_value, "{time}", os.date("%x - %X"))
  clink.prompt.value = string.gsub(add_time, "{lamb}", "λ")
end

clink.prompt.register_filter(custom_prompt, 1)

And this is the resulting prompt

C:\
03/25/17 - 20:56:14
λ

You can find more customization options for the time output in the Lua manual

update for comment reported error

function time_prompt()
    os.setlocale ("", "time")
    local cwd = clink.get_cwd()
    local prompt = "\x1b[1;32m{cwd} {git}{hg} \n\x1b[30m{time}\n{lamb} \x1b[0m"
    local new_value = string.gsub(prompt, "{cwd}", cwd)
    local add_time = string.gsub(new_value, "{time}", os.date("%x - %X"))
    clink.prompt.value = string.gsub(add_time, "{lamb}", "λ")
end
Gruber
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  • Maximus answer is correct, but this is the best answer! – AuthorProxy May 24 '17 at 10:28
  • `D:\Tools\cmder\config\my_prompt.lua:1: unexpected symbol near char(255)` and the prompt looks like: `1:26.51)"←\\` – THE JOATMON Mar 12 '18 at 16:14
  • mmm I don't know what is that, but checking again my lua file it's not exactly as the old code I posted, tell me if using the one I'm updating now is working. – Gruber Mar 12 '18 at 21:56
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    Comment from @Edwin in Maximus' answer worked for me. `prompt cmd /c echo ($t$s) :$p$g` in `user-profile.cmd` – THE JOATMON Jul 10 '19 at 21:07
  • This alone doesn't change anything on my git bash prompt in cmder. Is cmder supposed to read and execute all .lua files in the config folder at startup? – AsGoodAsItGets Jan 28 '20 at 17:36
  • @AsGoodAsItGets the above script is to modify the `cmd.exe` shell with `clink` via lua programming, it has nothing to do with the `bash` shell. Check the `bash` documentation for prompt customizing. – Gruber Jan 29 '20 at 01:31
  • @Gruber it didn't do anything to my cmd prompt either, but that's probably because I already have the powerline prompt which comes with its own .lua files. What worked for me is what I wrote below in my answer. Maybe it will help someone in the same situation. – AsGoodAsItGets Jan 29 '20 at 12:38
10

Try this prompt settings (example only, it's show how you can call any console application inside "prompt printing"). Note! It works in ConEmu only.

prompt $p$s$e]9;7;"cmd /c echo (%DATE% %TIME%)"$e\$g

But, as Bob said, there is an easier way:

prompt $p$s$d$s$t$s$g

And for cmder you should edit the supplied init.bat as that defines the prompt settings.

Jens Piegsa
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Maximus
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  • For cmder, the suggested way to edit prompt settings is in `%CMDER_ROOT%\config\user-startup.cmd` and not `init.bat`. – wegry Jun 30 '16 at 13:23
  • On win7 with Cmder, adding `$t` did the trick for me : `@prompt $E[1;32;40m$P$S{git}{hg} $t$S$_$E[1;30;40m{lamb}$S$E[0m ` – Benj Jul 21 '16 at 09:32
  • @wegry this `%CMDER_ROOT%\config\user-startup.cmd` file didn't seem to have any effect on my configuration. Maybe was I doing it wrong. – Benj Jul 21 '16 at 09:33
  • @Benj It didn't seem to work for me at first either, but a restart later it did? I'm mystified by what made start working. – wegry Jul 21 '16 at 12:51
  • @wegry Well, let's say both methods are OK... – Benj Jul 22 '16 at 09:12
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    in 2018 for me worked `prompt cmd /c echo ($t$s) :$p$g` to add to the `user-profile.cmd` file (windows10). – Edwin Sep 12 '18 at 14:19
  • Where are the prompt settings for conemu? – David S. Jun 18 '21 at 10:58
  • https://conemu.github.io/en/SettingsEnvironment.html – Maximus Jun 18 '21 at 17:20
0

One line modification for cmder. Put it to cmder\config\my_config.lua

function my_prompt_filter()
    cwd = clink.get_cwd()
    prompt = "\x1b[1;32;40m{cwd}{git}{hg} $> \x1b[33;40m"
    new_value = string.gsub(prompt, "{cwd}", cwd)
    clink.prompt.value = string.gsub(new_value, "{lamb}", "λ")
end

clink.prompt.register_filter(my_prompt_filter, 1)

result:

C:\Users\user1 $>
C:\Users\user1 $> date
The current date is: 02.02.2018
C:\Users\user1 $>
Stan Gabenov
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0

None of the solutions here worked for me, so I ended up with adding the following line in my .bashrc:

alias myprompt='export PS1="\[\e]9;9;"\w"\007\e]9;12\007\]\[\033]0;$MSYSTEM:${PWD//[^[:ascii:]]/?}\007\]\[\033[32m\]\u@\h \[\033[33m\]\w\[\033[36m\]`__git_ps1`\[\033[0m\] \D{%T}\nλ "'

That last part \D{%T} is what shows the current time (don't care about the date, as usually I need to know how much time has ellapsed since I started a task).

Of course, this doesn't automatically change the prompt on all git bash terminals. You have to execute the myprompt command on the default prompt to change it. I tried to just do the above export inside the .bashrc file but I was getting an error. Maybe someone will have a better idea on how to get around that.

AsGoodAsItGets
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