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567 lines
17 KiB
567 lines
17 KiB
# ------------------------------------------------------------------------------
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# FILE: git-prompt.plugin.zsh
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# DESCRIPTION: oh-my-zsh git information for your PROMPT.
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# AUTHOR: Ashley Dev (the.ashley.dev+git-prompt@gmail.com)
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# VERSION: 3.0
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# SCREENSHOT: http://i.imgur.com/Yw1KG.png
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# http://i.imgur.com/wx6MU.png
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# ------------------------------------------------------------------------------
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# USAGE:
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#
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# Add 'git' to your list of oh-my-zsh plugins (in your .zshrc) otherwise this
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# git prompt info will not show up in your prompt.
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#
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# This simple example shows some of the things you can do with this plugin.
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# (See the ashleydev theme for more complex usage.)
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# ---------------------- SAMPLE THEME FILE ------------------------
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#
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# # this is a simple example PROMPT with only git
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# # info from this plugin in it:
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# PROMPT='$GIT_PROMPT_INFO# '
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#
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# # ...
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# # If you want to override the default format you can define your own
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# # git_prompt_info() function that sets $GIT_PROMPT_INFO (or other variables)
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# # with your format:
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# git_prompt_info ()
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# {
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# if [ -z "$(git_prompt__git_dir)" ]; then
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# GIT_PROMPT_INFO=''
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# return
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# fi
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#
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# git_prompt__branch
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# local branch_=$GIT_PROMPT_BRANCH
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#
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# git_prompt__dirty_state
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# local work_=$GIT_PROMPT_DIRTY_STATE_WORKTREE_DIRTY
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# local index_=$GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY
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#
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# # Reset color
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# local R="%{$terminfo[sgr0]%}"
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#
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# if [[ "$index_" = "yes" ]]; then
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# index_="%{$bold_color$fg[red]%}+$R"
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# else
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# index_=""
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# fi
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#
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# if [[ -n "$branch_" ]]; then
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# if [[ "$work_" = 'yes' ]]; then
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# branch_="%{$fg_no_bold[red]%}$branch_$R"
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# elif [[ "$work_" = 'no' ]]; then
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# branch_="%{$fg_no_bold[green]%}$branch_$R"
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# fi
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# fi
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#
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# GIT_PROMPT_INFO="$R($branch_$index_)$R"
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# }
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# -----------------------------------------------------------------
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#
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#
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#------------------ Default Prompt Format ------------------
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# You can override this by defining your own git_prompt_info in your theme that
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# sets some global variable(s); i.e. $GIT_PROMPT_INFO.
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# (See the ashleydev theme for more complex usage).
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git_prompt_info ()
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{
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if [ -z "$(git_prompt__git_dir)" ]; then
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GIT_PROMPT_INFO=''
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return
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fi
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git_prompt__branch
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local branch=$GIT_PROMPT_BRANCH
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git_prompt__dirty_state
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local dirty=$GIT_PROMPT_DIRTY_STATE_ANY_DIRTY
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local prompt=$branch
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if [[ "$dirty" = 'yes' ]]; then
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prompt="$prompt$ZSH_THEME_GIT_PROMPT_DIRTY"
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elif [[ "$dirty" = 'no' ]]; then
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prompt="$prompt$ZSH_THEME_GIT_PROMPT_CLEAN"
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fi
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GIT_PROMPT_INFO="$ZSH_THEME_GIT_PROMPT_PREFIX$prompt$ZSH_THEME_GIT_PROMPT_SUFFIX"
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}
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#------------------ git information utils ------------------
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# For some of the following functions, I borrowed some from:
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# https://github.com/git/git/blob/master/contrib/completion/git-completion.bash
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#
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# sets a bunch of variables, see below:
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git_prompt__dirty_state ()
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{
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY=''
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GIT_PROMPT_DIRTY_STATE_FRESH_REPO=''
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GIT_PROMPT_DIRTY_STATE_INDEX_ADDED=''
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GIT_PROMPT_DIRTY_STATE_INDEX_COPIED=''
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GIT_PROMPT_DIRTY_STATE_INDEX_DELETED=''
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY=''
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GIT_PROMPT_DIRTY_STATE_INDEX_MODIFIED=''
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GIT_PROMPT_DIRTY_STATE_INDEX_RENAMED=''
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GIT_PROMPT_DIRTY_STATE_INDEX_UNMERGED=''
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DELETED=''
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DIRTY=''
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GIT_PROMPT_DIRTY_STATE_WORKTREE_MODIFIED=''
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GIT_PROMPT_DIRTY_STATE_WORKTREE_UNTRACKED=''
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if [[ "true" != "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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return
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fi
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local dir_="$(git_prompt__git_dir)"
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if [[ -z "$dir_" ]]; then
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return
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fi
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if [[ "$GIT_PROMPT_SHOWDIRTYSTATE" = 'off' ]]; then
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return
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fi
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if [[ "$(git config --bool prompt.showDirtyState)" = "false" ]]; then
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return
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fi
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='no'
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GIT_PROMPT_DIRTY_STATE_FRESH_REPO='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_ADDED='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_COPIED='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_DELETED='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_MODIFIED='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_RENAMED='no'
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GIT_PROMPT_DIRTY_STATE_INDEX_UNMERGED='no'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DELETED='no'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DIRTY='no'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_MODIFIED='no'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_UNTRACKED='no'
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if git rev-parse --quiet --verify HEAD >/dev/null; then
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else
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GIT_PROMPT_DIRTY_STATE_FRESH_REPO='yes'
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fi
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_big_repo='yes'
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local line
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while IFS=$'\n' read line; do
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if [[ "$line" = M* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_MODIFIED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = A* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_ADDED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = R* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_RENAMED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = C* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_COPIED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = D* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_DELETED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = \?\?* ]]; then
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GIT_PROMPT_DIRTY_STATE_WORKTREE_UNTRACKED='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = ?M* ]]; then
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GIT_PROMPT_DIRTY_STATE_WORKTREE_MODIFIED='yes'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = ?D* ]]; then
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DELETED='yes'
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GIT_PROMPT_DIRTY_STATE_WORKTREE_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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if [[ "$line" = UU* ]]; then
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GIT_PROMPT_DIRTY_STATE_INDEX_UNMERGED='yes'
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GIT_PROMPT_DIRTY_STATE_INDEX_DIRTY='yes'
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GIT_PROMPT_DIRTY_STATE_ANY_DIRTY='yes'
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fi
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done < <(git status --porcelain 2> /dev/null)
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_big_repo=''
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}
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# git_prompt__git_dir accepts 0 or 1 arguments (i.e., location)
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# echos the location of .git repo.
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# Useful for quickly figuring out if cwd is under a git repo.
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git_prompt__git_dir ()
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{
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if [[ -z "${1-}" ]]; then
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if [[ -d .git ]]; then
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echo .git
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else
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git rev-parse --git-dir 2>/dev/null
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fi
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elif [[ -d "$1/.git" ]]; then
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echo "$1/.git"
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else
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echo "$1"
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fi
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}
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# sets GIT_PROMPT_UPSTREAM_STATE
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#
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# output format:
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# A "-1" indicates you are behind by one commit, "+3" indicates you are ahead by
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# 3 commits, "-1+3" indicates you have diverged, "=" indicates no divergence,
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# and "" indicates there is no upstream or this feature is turned 'off' (see
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# below).
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#
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# You can control behaviour by setting GIT_PROMPT_SHOWUPSTREAM to a
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# space-separated list of values:
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# off no output
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# simple Instead of '+/-', a "<" indicates you are behind, ">"
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# indicates you are ahead, "<>" indicates you have diverged,
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# "=" indicates no divergence.
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# legacy don't use the '--count' option available in recent
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# versions of git-rev-list
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# git always compare HEAD to @{upstream}
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# svn always compare HEAD to your SVN upstream
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# By default, git_prompt__upstream will compare HEAD to your SVN upstream
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# if it can find one, or @{upstream} otherwise. Once you have
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# set GIT_PROMPT_SHOWUPSTREAM, you can override it on a
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# per-repository basis by setting the prompt.showUpstream config
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# variable (i.e. `git config prompt.showUpstream 'simple legacy'`).
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#
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# git_prompt__upstream accepts 0 or 1 arguments. If an argument is given, it
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# must be a string of the form specified above for GIT_PROMPT_SHOWUPSTREAM.
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# Setting this argument will override any value set for GIT_PROMPT_SHOWUPSTREAM
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# or in the .git/config.
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git_prompt__upstream ()
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{
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GIT_PROMPT_UPSTREAM_STATE=''
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if [[ "true" != "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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return
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fi
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local key value
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local svn_remote svn_url_pattern count n
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local upstream=git legacy="" simple=""
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local p
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# get some config options from git-config
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while read key value; do
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case "$key" in
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prompt.showupstream*)
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GIT_PROMPT_SHOWUPSTREAM="$value"
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;;
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svn-remote.*.url)
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svn_remote=( "${svn_remote[@]}" $value )
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svn_url_pattern="$svn_url_pattern\\|$value"
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upstream=svn+git # default upstream is SVN if available, else git
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;;
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esac
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done < <(git config --get-regexp '^(svn-remote\..*\.url|prompt\.showupstream)' 2>/dev/null)
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if [[ -n "${1-}" ]]; then
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GIT_PROMPT_SHOWUPSTREAM=$1
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fi
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# parse configuration values
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for option in ${GIT_PROMPT_SHOWUPSTREAM}; do
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case "$option" in
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off) return ;;
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git|svn) upstream="$option" ;;
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simple) simple=1 ;;
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legacy) legacy=1 ;;
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esac
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done
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# Find our upstream
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case "$upstream" in
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git) upstream="@{upstream}" ;;
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svn*)
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# get the upstream from the "git-svn-id: ..." in a commit message
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# (git-svn uses essentially the same procedure internally)
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local svn_upstream=$(git log --first-parent -1 --grep="^git-svn-id: \(${svn_url_pattern#??}\)" 2>/dev/null | awk '/commit / { print $2 }')
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if [[ 0 -ne ${#svn_upstream[@]} ]]; then
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if [[ -z "$svn_upstream" ]]; then
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# default branch name for checkouts with no layout:
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upstream='git-svn'
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else
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upstream=${svn_upstream#/}
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fi
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elif [[ "svn+git" = "$upstream" ]]; then
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upstream="@{upstream}"
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fi
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;;
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esac
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# Find how many commits we are ahead/behind our upstream
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# produce equivalent output to --count for older versions of git
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local ahead behind
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if git rev-list --left-right "$upstream"...HEAD >/dev/null 2>&1; then
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behind="$(git rev-list --left-right "$upstream"...HEAD 2>/dev/null | grep '^<' | wc -l | tr -d ' ' 2>/dev/null)"
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ahead="$(git rev-list --left-right "$upstream"...HEAD 2>/dev/null | grep '^[^<]' | wc -l | tr -d ' ' 2>/dev/null)"
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count="$behind $ahead"
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fi
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# calculate the result
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if [[ -n "$simple" ]]; then
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case "$count" in
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"") # no upstream
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p="" ;;
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"0 0") # equal to upstream
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p="=" ;;
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"0 "*) # ahead of upstream
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p=">" ;;
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*" 0") # behind upstream
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p="<" ;;
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*) # diverged from upstream
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p="<>" ;;
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esac
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else
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case "$count" in
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"") # no upstream
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p="" ;;
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"0 0") # equal to upstream
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p="=" ;;
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"0 "*) # ahead of upstream
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p="+${count#0 }" ;;
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*" 0") # behind upstream
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p="-${count% 0}" ;;
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*) # diverged from upstream
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p="-${count% *}+${count#* }" ;;
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esac
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fi
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GIT_PROMPT_UPSTREAM_STATE=$p
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}
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# sets GIT_PROMPT_REBASE_INFO
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# with info about a rebase/merge/etc if it's in progress.
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git_prompt__rebase_info ()
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{
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GIT_PROMPT_REBASE_INFO=''
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if [[ "true" != "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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return
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fi
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if [[ "$GIT_PROMPT_SHOWREBASEINFO" = 'off' ]]; then
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return
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fi
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if [[ "$(git config --bool prompt.showRebaseInfo)" = "false" ]]; then
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return
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fi
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local rebase_=""
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local dir_="$(git_prompt__git_dir)"
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if [[ -n "$dir_" ]]; then
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if [[ -f "$dir_/rebase-merge/interactive" ]]; then
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rebase_="|REBASE-i"
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elif [[ -d "$dir_/rebase-merge" ]]; then
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rebase_="|REBASE-m"
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else
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if [[ -d "$dir_/rebase-apply" ]]; then
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if [[ -f "$dir_/rebase-apply/rebasing" ]]; then
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rebase_="|REBASE"
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elif [[ -f "$dir_/rebase-apply/applying" ]]; then
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rebase_="|AM"
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else
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rebase_="|AM/REBASE"
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fi
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elif [[ -f "$dir_/MERGE_HEAD" ]]; then
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rebase_="|MERGING"
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elif [[ -f "$dir_/CHERRY_PICK_HEAD" ]]; then
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rebase_="|CHERRY-PICKING"
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elif [[ -f "$dir_/BISECT_LOG" ]]; then
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rebase_="|BISECTING"
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fi
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fi
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fi
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GIT_PROMPT_REBASE_INFO=$rebase_
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}
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# sets GIT_PROMPT_BRANCH
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# with the branch name
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git_prompt__branch ()
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{
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GIT_PROMPT_BRANCH=''
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if [[ "true" != "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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return
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fi
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if [[ "$GIT_PROMPT_SHOWBRANCH" = 'off' ]]; then
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return
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fi
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if [[ "$(git config --bool prompt.showBranch)" = "false" ]]; then
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return
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fi
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local branch_=""
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local dir_="$(git_prompt__git_dir)"
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if [[ -n "$dir_" ]]; then
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if [[ -f "$dir_/rebase-merge/interactive" ]]; then
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branch_="$(cat "$dir_/rebase-merge/head-name")"
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elif [[ -d "$dir_/rebase-merge" ]]; then
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branch_="$(cat "$dir_/rebase-merge/head-name")"
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else
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branch_="$(git symbolic-ref HEAD 2>/dev/null)" || {
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branch_="$(
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case "${GIT_PROMPT_DESCRIBE_STYLE-}" in
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(contains)
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git describe --contains HEAD ;;
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(branch)
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git describe --contains --all HEAD ;;
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(describe)
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git describe HEAD ;;
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(* | default)
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git describe --tags --exact-match HEAD ;;
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esac 2>/dev/null)" ||
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branch_="$(cut -c1-7 "$dir_/HEAD" 2>/dev/null)" ||
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branch_="$branch_"
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}
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fi
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branch_=${branch_##refs/heads/}
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if [[ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]]; then
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if [[ "true" = "$(git rev-parse --is-bare-repository 2>/dev/null)" ]]; then
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branch_="BARE:$branch_"
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else
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branch_="GIT_DIR!"
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fi
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fi
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fi
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GIT_PROMPT_BRANCH=$branch_
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}
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# sets GIT_PROMPT_STASH_STATE_DIRTY
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# if the git stash state is dirty
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git_prompt__stash ()
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{
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GIT_PROMPT_STASH_STATE_DIRTY=''
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if [[ "true" != "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
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return
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fi
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if [[ "$GIT_PROMPT_SHOWSTASHSTATE" = 'off' ]]; then
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return
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fi
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if [[ "$(git config --bool prompt.showStashState)" = "false" ]]; then
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return
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fi
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if git rev-parse --verify refs/stash >/dev/null 2>&1; then
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GIT_PROMPT_STASH_STATE_DIRTY='yes'
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else
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GIT_PROMPT_STASH_STATE_DIRTY='no'
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fi
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}
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#------------------ Fast Prompt ------------------
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# This section sets up some functions that get called infrequently as possible
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# and therefore don't slow your prompt down as you are using zsh.
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#
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# I borrowed from: http://sebastiancelis.com/2009/nov/16/zsh-prompt-git-users/
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# Enable auto-execution of functions.
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typeset -Uga preexec_functions
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typeset -Uga precmd_functions
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typeset -Uga chpwd_functions
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typeset -Uga periodic_functions
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# Append git functions needed for prompt.
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preexec_functions+='_git_prompt__preexec_update_git_vars'
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precmd_functions+='_git_prompt__precmd_update_git_vars'
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chpwd_functions+="_git_prompt_info"
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PERIOD=15
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periodic_functions+="_git_prompt_info"
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_git_prompt_info ()
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{
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if [[ -z $GIT_PROMPT_INFO_DISABLED ]]; then
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git_prompt_info
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fi
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}
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_git_prompt__precmd_update_git_vars()
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{
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if [[ $ZSH_VERSION = *\ 4.2* ]]; then
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# some older versions of zsh don't have periodic_functions, so do the
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# slow path if that's the case:
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_git_prompt_info
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elif [[ -n "$__EXECUTED_GIT_COMMAND" ]]; then
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_git_prompt_info
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unset __EXECUTED_GIT_COMMAND
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fi
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}
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_git_prompt__preexec_update_git_vars ()
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{
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case "$1" in
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g*) __EXECUTED_GIT_COMMAND=1 ;;
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rm*) __EXECUTED_GIT_COMMAND=1 ;;
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touch*) __EXECUTED_GIT_COMMAND=1 ;;
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mkdir*) __EXECUTED_GIT_COMMAND=1 ;;
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echo*) __EXECUTED_GIT_COMMAND=1 ;;
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$EDITOR*)
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if [[ -n "$EDITOR" ]]; then
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__EXECUTED_GIT_COMMAND=1
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fi
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;;
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esac
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}
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#------------------ Short Circuit ------------------
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# This is the short-circuit logic:
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#
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# Set GIT_PROMPT_SHORTCIRCUIT='off' to turn the short-circuit logic off.
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#
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# Gathering dirty-state info can take a long time on large repositories. The
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# short-circuit logic is engaged by pressing ctrl-c while the prompt is trying
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# to gather information about a large repository. When this happens the
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# short-circuit logic will display a warning and turn off the showing of dirty
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# state in your git prompt (for the local repo only).
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local _big_repo='init'
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__git_prompt_shortcircuit ()
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{
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if [[ "$_big_repo" == 'yes' ]]; then
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_big_repo=''
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if [[ "$GIT_PROMPT_SHORTCIRCUIT" != 'off' ]]; then
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echo "$fg[red]" > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]: Looks like you hit ctrl-c." > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]: So for this repo I'm setting:" > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]: git config prompt.showDirtyState false" > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]: On big git repos it takes a long time to get info for your prompt." > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]: To revert it, run:" > /dev/stderr
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echo "${bold_color}SHELL PROMPT$fg_no_bold[red]:$reset_color git config prompt.showDirtyState true" > /dev/stderr
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echo '' > /dev/stderr
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git config prompt.showDirtyState 'false'
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_git_prompt_info
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fi
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fi
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}
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TRAPINT ()
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{
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__git_prompt_shortcircuit
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return $(( 128 + $1 ))
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}
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#----------------------------------------------------
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