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// This is raw asciidoc file. The HTML rendered page is at http://volnitsky.com/project/git-prompt
= GIT Prompt
* Repo: httpx://github.com/lvv/scc[GitHub], httpx://bitbucket.org/lvv/scc[BitBucket] +
* License: httpx://www.gnu.org/licenses/gpl-3.0.html[GPL3]
:v-p: http://volnitsky.com/project
:compact-option: compact
== Basic Usage
image:screenshot-prompt-basic.png[basic usage]
Digit [red]*1* on 3rd line is `false(1)` exit code. Also on non-zero exit code
terminal bell is sounded. Bell is turned off by default (to set softer
terminal bell use `setterm`).
== GIT
Branch and files are colored according to state. "M" stands for master.
image:screenshot-prompt-git.png[git module screenshot]
.Branch and Files Colors
[cols="^3,^3,12",frame="topbot",options="header"]
|================================================================
| *Branch* | *File* | *Meaning*
| [darkblue]#dark blue# | | Clean repo
| [green]#green# | [green]#green# | Modified or new file. Modifications are in index but not in repo yet.
| [darkred]#dark red# | [darkred]#dark red# | Modified and tracked by repo, but modifications not added to index yet.
| [lightblue]#light blue# | [lightblue]#light blue# | Untracked file.
| [red]#light red# | | Detached Head
| [magenta]#magenta# | | In middle of doing something
|================================================================
== Subversion/SVN
image:screenshot-svn.png[svn module screenshot]
SVN module disabled by default because even on moderate sized working
directories there is noticeable delay for prompt display. SVN is slower than
GIT. Enable if needed in <<config,config>>
== Mercurial/HG
HG module was developed by Lee Nussbaum `<wln AT scrunch.org>`.
== Labels
Labels are visual cues to help figure out what terminal is running what command.
It is generalization of xterm-title but differ from xterm-title that it
can be displayed in other places (on Screen(1) windows titles for example).
Also label can display currently executed command (when bash prompt obviously
is not displayed). Because labels have less space then prompt, instead of full path
only last dir is shown.
On screenshot below labels are in red ovals.
image:screenshot-labels.png["labels screenshot", width="300", link="screenshot-labels.png"]
The `screen(1)` status line at bottom of smaller gnome-terminal is displayed with
following line in `~/.screenrc`:
---------
caption always "%{= kw}%-w%{= bw}%n %t%{-}%+w %-= @%H - %LD %d %LM - %c"
---------
== Simple AutoJump
AutoJump is python script from Joel Schaerer providing shortcuts for jumping
to directories you once visited. Git-prompt have built-in, simplified
autojump. It is only about 10 lines of bash code (vs original 100+ python
LOC), there is no database. It remembers only directories from current
session. It selects not most frequent dir, but last visited. Matches are done
from beginning of of dir name (not path name).
-----------------
cd /tmp
cd "~/long dir mp3"
cd "~/long dir mp4"
cd /tmp
cd /var/tmp
cd /etc
cd
j t # same as cd /var/tmp
j .*3 # same as cd "~/long dir mp3"
-------------
== Install
Download link:git-prompt.sh[] or get it with GIT:
------------------
git clone git://github.com/lvv/git-prompt.git
---------------
Put following command at the end of your profile (`~/.bash_profile` or `~/.profile`)
--------------------
[[ $- == *i* ]] && . /path/to/git-prompt.sh
---------------------
There might be your old prompt defined too. You can comment it out.
Some distros also have `/etc/bashrc` or `/etc/bash/bashrc` with distro default
prompt.
== GIT config
GIT-PROMPT requires following GIT's option to be set:
-------------------------
git config [--global] core.quotepath off
git config [--global] --unset svn.pathnameencoding
git config [--global] --unset i18n.logoutputencoding
-----------------------------
== GIT-PROMPT config
[[config]]
Is optional. If config file is not found then git-prompt uses defaults.
Defaults are listed in example `git-prompt.conf`. Git-prompt looks (in listed order)
for config file in following locations:
* `/etc/git-prompt.conf`
* `~/.git-prompt.conf`
Copy example config `git-prompt.conf`
to any of above locations and customize as needed.
== Limitations
* cd-ing into something like linux kernel git working directory for the 1st
time (with cold cache) might take up to 10 seconds (that is how long `git status` executes).
Use `vcs_ignore_dir_list` in config if you want to ingnore such dirs.
* Because you will be always reminded about dirty repo (not checked-in files),
you will maintain `.gitignore` and commit more often.
* This prompt is most useful if your screen have enough width.
If this is not the case, you might want to disable file list display (`max_file_list_length=0`).
* When prompt is longer than screen-width it wraps to second line. This is always undesirable.
Because of bug in `gnome-terminal` (or `readline` ?) some color escape codes can be visible on second line.
I've reported gnome-terminal bug. Again, you can disable file list display or limit length (`max_file_list_length`).
* By default some terminals display ascii color with maximum color saturation
which makes colored text of different perceptual brightness. This makes it hard to read.
If your terminal colors are configurable, try change it to softer (pastel)
colors.
== Dependencies
Most probably you don't need to install anything because not optional
dependencies are standard unix utils.
* bash (tested with v3.2.33)
* sed
* tput (terminfo)
* tty (core utils)
* grep
* locale (glibc)
* id (core utils)
* cksum (core utils)
* git (optional)
* svn (optional)
* hg (optional)
== Todo
* httpx://jonisalonen.com/2012/your-bash-prompt-needs-this/[]
* httpx://tldp.org/HOWTO/Bash-Prompt-HOWTO/x810.html[Beep after long running command]
* httpx://briancarper.net/blog/248/[Sync bash history]
* VIM module needs to be moved out of GIT module
include::../volnitsky.com/project/howto-submit-patch.txt[]
Nobody will use git-prompt if there will be delay in prompt display.
Try to avoid use of external commands and
subshells (backticks) in prompt_command_function. It is ok to use
time consuming ops in postconfig which is executed only once.
== Authors
- Leonid Volnitsky (original author) <leonid@volnitsky.com>, http://volnitsky.com
- Niklas Hofer (CWD truncation) <niklas+dev AT lanpartei.de>, httpx://github.com/niklas/[]
- Lee Nussbaum (HG support) <lee.nussbaum AT gmail.com>, httpx://github.com/wln[]
- Albert Vernon http://xenoclub.wordpress.com[]
- Amir Yalon httpx://github.com/amiryal[]
- Martin httpx://github.com/jerrywho[] <JerryWho AT gmx.de>
- Alexander Goldstein (emacs-shell, prompt chars) httpx://github.com/alexg0[]
- Dmitry <uok AT gmx.net> (bash completion)
- Sergey Shepelev <temotor AT gmail.com>
- Robert Wahler <robert AT gearheadforhire.com>
- Gustavo Delfino <gdelfino AT gmail.com>
- Dan Bravender <dan.bravender AT gmail.com>
- Thomas Geffert <thomas.geffert AT arcutronix.com>
- Tibor Simko <tibor.simko AT cern.ch>
[bibliography]
.References
- [[[1]]] 'Bash Prompt HOWTO', http://tldp.org/HOWTO/Bash-Prompt-HOWTO/index.html
- [[[2]]] 'BASH Frequently Asked Questions', http://mywiki.wooledge.org/BashFAQ