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Full Discussion: [Solved] Help needed to have changing value to the command prompt string variable PS1
Top Forums UNIX for Dummies Questions & Answers [Solved] Help needed to have changing value to the command prompt string variable PS1 Post 302630075 by neutronscott on Wednesday 25th of April 2012 10:54:21 AM
Old 04-25-2012
with this double quoting, look at PS1 after assignment:

Code:
$ PS1="[$PWD $(git branch | grep '*') $] "
[/home/mute  $] declare -p PS1
declare -- PS1="[/home/mute  \$] "

Your variables are expanded inside of a double-quote before assignment. If you escape the $ then it will be stored inside of PS1. You can also use single quotes to avoid expansion, but you have some in there so those are the 1 character you need to treat special inside single quotes:

Code:
$ PS1='[$PWD $(git branch | grep '\''*'\'') $] '
fatal: Not a git repository (or any of the parent directories): .git
[/home/mute  $]

Having a command execute for each prompt is a bit much. Also maybe you'd like to make it a function and handle those fatal errors in case you leave a git branch.

Code:
[/home/mute/code  $] PS1='[$PWD $(git branch 2>/dev/null | grep '\''*'\'') $] '
[/home/mute/code  $] cd Twitter.awk/
[/home/mute/code/Twitter.awk * master $]

et voila!?
This User Gave Thanks to neutronscott For This Post:
royalibrahim
 

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LEARN ABOUT MOJAVE

git-request-pull

GIT-REQUEST-PULL(1)                                                 Git Manual                                                 GIT-REQUEST-PULL(1)

NAME

       git-request-pull - Generates a summary of pending changes

SYNOPSIS

       git request-pull [-p] <start> <url> [<end>]

DESCRIPTION

       Generate a request asking your upstream project to pull changes into their tree. The request, printed to the standard output, begins with
       the branch description, summarizes the changes and indicates from where they can be pulled.

       The upstream project is expected to have the commit named by <start> and the output asks it to integrate the changes you made since that
       commit, up to the commit named by <end>, by visiting the repository named by <url>.

OPTIONS

       -p
           Include patch text in the output.

       <start>
           Commit to start at. This names a commit that is already in the upstream history.

       <url>
           The repository URL to be pulled from.

       <end>
           Commit to end at (defaults to HEAD). This names the commit at the tip of the history you are asking to be pulled.

           When the repository named by <url> has the commit at a tip of a ref that is different from the ref you have locally, you can use the
           <local>:<remote> syntax, to have its local name, a colon :, and its remote name.

EXAMPLE

       Imagine that you built your work on your master branch on top of the v1.0 release, and want it to be integrated to the project. First you
       push that change to your public repository for others to see:

           git push https://git.ko.xz/project master

       Then, you run this command:

           git request-pull v1.0 https://git.ko.xz/project master

       which will produce a request to the upstream, summarizing the changes between the v1.0 release and your master, to pull it from your public
       repository.

       If you pushed your change to a branch whose name is different from the one you have locally, e.g.

           git push https://git.ko.xz/project master:for-linus

       then you can ask that to be pulled with

           git request-pull v1.0 https://git.ko.xz/project master:for-linus

GIT

       Part of the git(1) suite

Git 2.17.1                                                          10/05/2018                                                 GIT-REQUEST-PULL(1)
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