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Set color bash prompt according to git/svn branch, and return status of last command.
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| #!/bin/bash | |
| # | |
| # DESCRIPTION: | |
| # | |
| # Set variables for various bash color codes to use in other bash scripts | |
| # | |
| # USAGE: | |
| # | |
| # 1. Save this file as ~/.bash_color_codes | |
| # 2. Add the following line to your ~/.profile or ~/.bash_profile: | |
| # . ~/.bash_color_codes | |
| # | |
| # AUTHOR: | |
| # | |
| # Daniel Zuberbühler <dani@zubinet.org> | |
| # | |
| # https://gist.github.com/2136084 | |
| # The various escape codes that we can use to color our prompt. | |
| COLOR_BLACK="\[\033[0;30m\]" | |
| COLOR_RED="\[\033[0;31m\]" | |
| COLOR_GREEN="\[\033[0;32m\]" | |
| COLOR_YELLOW="\[\033[0;33m\]" | |
| COLOR_BLUE="\[\033[0;34m\]" | |
| COLOR_MAGENTA="\[\033[0;35m\]" | |
| COLOR_CYAN="\[\033[0;36m\]" | |
| COLOR_WHITE="\[\033[0;37m\]" | |
| COLOR_BOLD_RED="\[\033[1;31m\]" | |
| COLOR_BOLD_GREEN="\[\033[1;32m\]" | |
| COLOR_BOLD_YELLOW="\[\033[1;33m\]" | |
| COLOR_BOLD_BLUE="\[\033[1;34m\]" | |
| COLOR_BOLD_MAGENTA="\[\033[1;35m\]" | |
| COLOR_BOLD_CYAN="\[\033[1;36m\]" | |
| COLOR_BOLD_WHITE="\[\033[1;37m\]" | |
| COLOR_NONE="\[\e[0m\]" |
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| #!/bin/bash | |
| # | |
| # DESCRIPTION: | |
| # | |
| # Set the bash prompt according to: | |
| # * the branch/status of the current git repository | |
| # * the branch of the current subversion repository | |
| # * the return value of the previous command | |
| # | |
| # USAGE: | |
| # | |
| # 1. Save this file as ~/.git_svn_bash_prompt | |
| # 2. Add the following line to the end of your ~/.profile or ~/.bash_profile: | |
| # . ~/.git_svn_bash_prompt | |
| # | |
| # AUTHOR: | |
| # | |
| # Daniel Zuberbühler <dani@zubinet.org> | |
| # | |
| # Based on work by Scott Woods <scott@westarete.com> | |
| # Based on work by halbtuerke and lakiolen. | |
| # | |
| # https://gist.github.com/2136084 | |
| # Detect whether the current directory is a git repository. | |
| function is_git_repository { | |
| git branch > /dev/null 2>&1 | |
| } | |
| # Detect whether the current directory is a subversion repository. | |
| function is_svn_repository { | |
| test -d .svn | |
| } | |
| # Determine the branch/state information for this git repository. | |
| function set_git_branch { | |
| # Capture the output of the "git status" command. | |
| git_status="$(git status 2> /dev/null)" | |
| # Set color based on clean/staged/dirty. | |
| if [[ ${git_status} =~ "working directory clean" ]]; then | |
| state="${COLOR_GREEN}" | |
| elif [[ ${git_status} =~ "Changes to be committed" ]]; then | |
| state="${COLOR_YELLOW}" | |
| elif [[ ${git_status} =~ "nothing added to commit but untracked files present" ]]; then | |
| state="${COLOR_CYAN}" | |
| else | |
| state="${COLOR_RED}" | |
| fi | |
| # Set arrow icon based on status against remote. | |
| remote_pattern="Your branch is ([[:alpha:]])" | |
| if [[ ${git_status} =~ ${remote_pattern} ]]; then | |
| if [[ ${BASH_REMATCH[1]} == "ahead" ]]; then | |
| remote="↑" | |
| else | |
| remote="↓" | |
| fi | |
| else | |
| remote="" | |
| fi | |
| diverge_pattern="# Your branch and (.*) have diverged" | |
| if [[ ${git_status} =~ ${diverge_pattern} ]]; then | |
| remote="↕" | |
| fi | |
| # Get the name of the branch. | |
| branch_pattern="^# On branch ([^${IFS}]*)" | |
| if [[ ${git_status} =~ ${branch_pattern} ]]; then | |
| branch=${BASH_REMATCH[1]} | |
| fi | |
| # Set the final branch string. | |
| BRANCH="${state}(${branch})${COLOR_BOLD_RED}${remote}${COLOR_NONE} " | |
| } | |
| # Determine the branch information for this subversion repository. No support | |
| # for svn status, since that needs to hit the remote repository. | |
| function set_svn_branch { | |
| # Capture the output of the "git status" command. | |
| svn_info="$(svn info | egrep '^URL: ' 2> /dev/null)" | |
| # Get the name of the branch. | |
| branch_pattern="^URL: .*/(branches|tags)/([^/]+)" | |
| trunk_pattern="^URL: .*/trunk(/.*)?$" | |
| if [[ ${svn_info} =~ $branch_pattern ]]; then | |
| branch=${BASH_REMATCH[2]} | |
| elif [[ ${svn_info} =~ $trunk_pattern ]]; then | |
| branch='trunk' | |
| fi | |
| # Set the final branch string. | |
| BRANCH="(${branch}) " | |
| } | |
| # Return the prompt symbol to use, colorized based on the return value of the | |
| # previous command. | |
| function set_prompt_symbol () { | |
| if test $1 -eq 0 ; then | |
| PROMPT_SYMBOL="\$" | |
| else | |
| PROMPT_SYMBOL="${COLOR_BOLD_RED}\$${COLOR_NONE}" | |
| fi | |
| } | |
| # Set the full bash prompt. | |
| function set_bash_prompt () { | |
| # Set the PROMPT_SYMBOL variable. We do this first so we don't lose the | |
| # return value of the last command. | |
| set_prompt_symbol $? | |
| # Set the BRANCH variable. | |
| if is_git_repository ; then | |
| set_git_branch | |
| elif is_svn_repository ; then | |
| set_svn_branch | |
| else | |
| BRANCH='' | |
| fi | |
| # Set the bash prompt variable. | |
| # PS1="\[\033[00m\]\u@\h \[\033[01;34m\]\w${COLOR_NONE} ${BRANCH}${PROMPT_SYMBOL} " | |
| PS1="\u@\h ${COLOR_BOLD_BLUE}\w${COLOR_NONE} ${BRANCH}${PROMPT_SYMBOL} " | |
| } | |
| # Tell bash to execute this function just before displaying its prompt. | |
| PROMPT_COMMAND=set_bash_prompt |
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