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significantly speed up showing git/svn branch in bash prompt

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This commit is contained in:
Josh Holtrop 2013-09-18 09:58:43 -04:00
parent 50189f2e16
commit d48d5d7157
1 changed files with 22 additions and 25 deletions
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47
bash_aliases
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@ -34,38 +34,35 @@ alias cdshowgitstatus='if [[ $CDSHOWGITSTATUS_LAST_WD != $PWD ]]; then if [[ -e
PROMPT_COMMAND="cdshowgitstatus;$PROMPT_COMMAND"
function prompt_ps1_git_branch()
{
which_git=$(which git)
if [[ "$which_git" == "" ]]; then
return
fi
branch_out=$(command git branch -vv 2>/dev/null | grep '^\*' | sed -e 's/^..//')
if [[ "$branch_out" == "" ]]; then
return
fi
current_branch=$(echo "$branch_out" | sed -re 's/(.no.branch.|[^ ]*).*/\1/')
ahead_behind=$(echo "$branch_out" | grep -E '(ahead|behind)' | grep -Eo '\[.*\]' | grep -Eo '(ahead|behind)[^]]*')
if [[ "$ahead_behind" != "" ]]; then
ahead_behind=": ${ahead_behind}"
fi
if [[ "$branch_out" != "" ]]; then
if [[ "$current_branch" != "" ]]; then
echo -e " [${current_branch}${ahead_behind}]"
if [ -e .git ]; then
branch_out=$(command git branch -vv 2>/dev/null | grep '^\*')
if [[ "$branch_out" == "" ]]; then
return
fi
re="^\\* (.no.branch.|[^ ]*)"
if [[ "$branch_out" =~ $re ]]; then
current_branch="${BASH_REMATCH[1]}"
re="((ahead|behind).*)\\]"
if [[ "$branch_out" =~ $re ]]; then
current_branch="$current_branch: ${BASH_REMATCH[1]}"
fi
echo " [${current_branch}${ahead_behind}]"
fi
fi
}
#put $(prompt_ps1_git_branch) in $PS1 to use it
function prompt_ps1_svn_branch()
{
which_svn=$(which svn)
if [[ "$which_svn" == "" ]]; then
return
if [ -e .svn ]; then
url_out=$(command svn info 2>/dev/null | grep '^URL:')
re_branch="\\<(tags|branches)/([^/]*)\\>"
re_trunk="\\<trunk\\>"
if [[ "$url_out" =~ $re_branch ]]; then
echo " [${BASH_REMATCH[2]}]"
elif [[ "$url_out" =~ $re_trunk ]]; then
echo " [${BASH_REMATCH[0]}]"
fi
fi
url_out=$(command svn info 2>/dev/null | grep '^URL:' | grep -E '\<(trunk|tags|branches)\>')
if [[ "$url_out" == "" ]]; then
return
fi
filter=$(echo "$url_out" | sed -re 's/.*\<trunk\>.*$/trunk/' -e 's/.*\<(tags|branches)\/([^\/]*).*$/\2/')
echo " [${filter}]"
}
alias ls='ls --color=auto'
alias strip-cr="sed -e 's/\x0d//'"