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425 lines
11 KiB
425 lines
11 KiB
#
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# Displays Git repository information.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Usage:
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# Define the following styles in a prompt theme setup function.
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#
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# # %s - Special action name (am, merge, rebase).
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# zstyle ':omz:module:git' action 'action:%s'
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#
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# # %a - Indicator to notify of added files.
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# zstyle ':omz:module:git' added 'added:%a'
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#
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# # %A - Indicator to notify of ahead branch.
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# zstyle ':omz:module:git' ahead 'ahead:%A'
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#
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# # %B - Indicator to notify of behind branch.
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# zstyle ':omz:module:git' behind 'behind:%B'
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#
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# # %b - Branch name.
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# zstyle ':omz:module:git' branch 'branch:%b'
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#
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# # %c - SHA-1 hash.
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# zstyle ':omz:module:git' commit 'commit:%c'
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#
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# # %d - Indicator to notify of deleted files.
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# zstyle ':omz:module:git' deleted 'deleted:%d'
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#
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# # %D - Indicator to notify of dirty files.
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# zstyle ':omz:module:git' dirty 'dirty:%D'
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#
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# # %m - Indicator to notify of modified files.
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# zstyle ':omz:module:git' modified 'modified:%m'
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#
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# # %p - HEAD position in relation to the nearest branch, remote, tag.
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# zstyle ':omz:module:git:prompt' position 'position:%p'
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#
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# # %R - Remote name.
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# zstyle ':omz:moduleit' remote 'remote:%R'
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#
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# # %r - Indicator to notify of renamed files.
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# zstyle ':omz:module:git' renamed 'renamed:%r'
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#
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# # %S - Indicator to notify of stashed files.
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# zstyle ':omz:module:git' stashed 'stashed:%S'
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#
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# # %U - Indicator tnotify of unmerged files.
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# zstyle ':omz:module:git' unmerged 'unmerged:%U'
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#
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# # %u - Indicator to notify of untracked files.
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# zstyle ':omz:module:git' untracked 'untracked:%u'
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#
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# # Left prompt.
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# zstyle ':omz:module:git' prompt ' git:(%b %D)'
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#
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# # Right prompt.
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# zstyle ':omz:module:git' rprompt ''
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#
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# # Ignore submodule.
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# zstyle ':omz:module:git:ignore' submodule 'no'
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#
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# # Ignore submodule when it is 'dirty', 'untracked', 'all', or 'none'.
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# zstyle ':omz:module:git:ignore:submodule' when 'all'
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#
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# Gets the path to the Git directory.
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function _git-dir {
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local git_dir="${$(git rev-parse --git-dir):A}"
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if [[ -n "$git_dir" ]]; then
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print "$git_dir"
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return 0
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fi
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return 1
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}
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# Gets the Git special action (am, merge, rebase, etc.).
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# Borrowed from vcs_info and edited.
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function _git-action {
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local action=''
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local action_dir
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local git_dir="$(_git-dir)"
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for action_dir in \
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"${git_dir}/rebase-apply" \
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"${git_dir}/rebase" \
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"${git_dir}/../.dotest"; do
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if [[ -d "$action_dir" ]] ; then
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if [[ -f "${action_dir}/rebasing" ]] ; then
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action='rebase'
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elif [[ -f "${action_dir}/applying" ]] ; then
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action='am'
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else
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action='am/rebase'
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fi
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print "$action"
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return 0
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fi
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done
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for action_dir in \
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"${git_dir}/rebase-merge/interactive" \
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"${git_dir}/.dotest-merge/interactive"; do
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if [[ -f "$action_dir" ]]; then
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print 'rebase-i'
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return 0
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fi
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done
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for action_dir in \
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"${git_dir}/rebase-merge" \
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"${git_dir}/.dotest-merge"; do
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if [[ -d "$action_dir" ]]; then
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print 'rebase-m'
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return 0
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fi
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done
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if [[ -f "${git_dir}/MERGE_HEAD" ]]; then
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print 'merge'
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return 0
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fi
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if [[ -f "${git_dir}/CHERRY_PICK_HEAD" ]]; then
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print 'cherry-pick'
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return 0
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fi
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if [[ -f "${git_dir}/BISECT_LOG" ]]; then
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print 'bisect'
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return 0
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fi
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return 1
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}
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# Turns off git-info for the current repository.
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function _git-info-abort {
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if ! is-true "$_git_info_executing"; then
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return 1
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fi
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cat >&2 <<EOF
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Gathering status for certain repositories is time intensive.
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By pressing CTRL + C, you have turned off prompt Git status
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for this repository.
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To revert, execute:
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git-info on
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EOF
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unset _git_info_executing
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git config --bool prompt.showinfo false
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git-info
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return 0
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}
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add-zsh-trap INT _git-info-abort
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# Gets the Git status information.
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function git-info {
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# Extended globbing is needed to parse repository status.
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setopt LOCAL_OPTIONS
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setopt EXTENDED_GLOB
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local action
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local action_format
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local action_formatted
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local added=0
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local added_format
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local added_formatted
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local ahead
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local ahead_and_behind
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local ahead_and_behind_cmd
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local ahead_format
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local ahead_formatted
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local ahead_or_behind
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local behind
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local behind_format
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local behind_formatted
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local branch
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local branch_format
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local branch_formatted
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local branch_info
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local commit
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local commit_format
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local commit_formatted
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local deleted=0
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local deleted_format
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local deleted_formatted
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local dirty=0
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local dirty_format
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local dirty_formatted
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local ignore_submodule
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local ignore_submodule_when
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local line_number=0
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local modified=0
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local modified_format
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local modified_formatted
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local position
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local position_format
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local position_formatted
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local prompt_format
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local remote
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local remote_cmd
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local remote_format
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local remote_formatted
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local renamed=0
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local renamed_format
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local renamed_formatted
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local rprompt_format
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local stashed=0
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local stashed_format
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local stashed_formatted
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local status_cmd
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local unmerged=0
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local unmerged_format
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local unmerged_formatted
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local untracked=0
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local untracked_format
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local untracked_formatted
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local -A git_info_vars
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local git_info_var
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# Clean up previous git-info.
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unset git_prompt_info
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unset git_rprompt_info
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# Return if not inside a Git repository work tree.
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if ! is-true "$(git rev-parse --is-inside-work-tree 2> /dev/null)"; then
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return 1
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fi
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if (( $# > 0 )); then
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if [[ "$1" == [Oo][Nn] ]]; then
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git config --bool prompt.showinfo true
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elif [[ "$1" == [Oo][Ff][Ff] ]]; then
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git config --bool prompt.showinfo false
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else
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print "usage: $0 [ on | off ]" >&2
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fi
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return 0
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fi
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# Return if git-info is disabled.
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if ! is-true "${$(git config --bool prompt.showinfo):-true}"; then
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return 1
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fi
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# Used to abort and turn git-info off on SIGINT.
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_git_info_executing=true
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# Use porcelain status for easy parsing.
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status_cmd='git status --porcelain'
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# Gets the remote name.
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remote_cmd='git rev-parse --symbolic-full-name --verify HEAD@{upstream}'
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# Gets the commit difference counts between local and remote.
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ahead_and_behind_cmd='git rev-list --count --left-right HEAD...@{upstream}'
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# Ignore submodule status.
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zstyle -b \
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':omz:module:git:ignore' submodule 'ignore_submodule'
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zstyle -s \
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':omz:module:git:ignore:submodule' when 'ignore_submodule_when'
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if is-true "$ignore_submodule"; then
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status_cmd+=" --ignore-submodules=${ignore_submodule_when:-all}"
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fi
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# Format commit.
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commit="$(git rev-parse HEAD 2> /dev/null)"
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if [[ -n "$commit" ]]; then
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zstyle -s ':omz:module:git' commit 'commit_format'
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zformat -f commit_formatted "$commit_format" "c:$commit"
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fi
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# Format stashed.
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if [[ -f "$(_git-dir)/refs/stash" ]]; then
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stashed="$(git stash list 2> /dev/null | wc -l)"
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zstyle -s ':omz:module:git' stashed 'stashed_format'
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zformat -f stashed_formatted "$stashed_format" "S:$stashed"
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fi
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# Format action.
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action="$(_git-action)"
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if [[ -n "$action" ]]; then
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zstyle -s ':omz:module:git' action 'action_format'
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zformat -f action_formatted "$action_format" "s:$action"
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fi
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# Get current status.
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while IFS=$'\n' read line; do
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# Count added, deleted, modified, renamed, unmerged, untracked, dirty.
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# T (type change) is undocumented, see http://git.io/FnpMGw.
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# For a table of scenarii, see http://i.imgur.com/2YLu1.png.
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[[ "$line" == ([ACDMT][\ MT]|[ACMT]D)\ * ]] && (( added++ ))
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[[ "$line" == [\ ACMRT]D\ * ]] && (( deleted++ ))
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[[ "$line" == ?[MT]\ * ]] && (( modified++ ))
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[[ "$line" == R?\ * ]] && (( renamed++ ))
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[[ "$line" == (AA|DD|U?|?U)\ * ]] && (( unmerged++ ))
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[[ "$line" == \?\?\ * ]] && (( untracked++ ))
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(( dirty++ ))
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done < <(${(z)status_cmd} 2> /dev/null)
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# Format branch.
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branch="${$(git symbolic-ref -q HEAD)##refs/heads/}"
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if [[ -n "$branch" ]]; then
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zstyle -s ':omz:module:git' branch 'branch_format'
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zformat -f branch_formatted "$branch_format" "b:$branch"
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# Format remote.
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remote="${$(${(z)remote_cmd} 2> /dev/null)##refs/remotes/}"
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if [[ -n "$remote" ]]; then
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zstyle -s ':omz:module:git' remote 'remote_format'
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zformat -f remote_formatted "$remote_format" "R:$remote"
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# Get ahead and behind counts.
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ahead_and_behind="$(${(z)ahead_and_behind_cmd} 2> /dev/null)"
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# Format ahead.
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ahead="$ahead_and_behind[(w)1]"
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if (( $ahead > 0 )); then
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zstyle -s ':omz:module:git' ahead 'ahead_format'
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zformat -f ahead_formatted "$ahead_format" "A:$ahead"
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fi
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# Format behind.
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behind="$ahead_and_behind[(w)2]"
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if (( $behind > 0 )); then
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zstyle -s ':omz:module:git' behind 'behind_format'
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zformat -f behind_formatted "$behind_format" "B:$behind"
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fi
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fi
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else
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# Format position.
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position="$(git describe --contains --all HEAD 2> /dev/null)"
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if [[ -n "$position" ]]; then
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zstyle -s ':omz:module:git:prompt' position 'position_format'
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zformat -f position_formatted "$position_format" "p:$position"
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fi
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fi
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# Format added.
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if (( $added > 0 )); then
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zstyle -s ':omz:module:git' added 'added_format'
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zformat -f added_formatted "$added_format" "a:$added_format"
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fi
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# Format deleted.
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if (( $deleted > 0 )); then
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zstyle -s ':omz:module:git' deleted 'deleted_format'
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zformat -f deleted_formatted "$deleted_format" "d:$deleted_format"
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fi
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# Format modified.
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if (( $modified > 0 )); then
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zstyle -s ':omz:module:git' modified 'modified_format'
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zformat -f modified_formatted "$modified_format" "m:$modified"
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fi
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# Format renamed.
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if (( $renamed > 0 )); then
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zstyle -s ':omz:module:git' renamed 'renamed_format'
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zformat -f renamed_formatted "$renamed_format" "r:$renamed"
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fi
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# Format unmerged.
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if (( $unmerged > 0 )); then
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zstyle -s ':omz:module:git' unmerged 'unmerged_format'
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zformat -f unmerged_formatted "$unmerged_format" "U:$unmerged"
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fi
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# Format untracked.
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if (( $untracked > 0 )); then
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zstyle -s ':omz:module:git' untracked 'untracked_format'
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zformat -f untracked_formatted "$untracked_format" "u:$untracked"
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fi
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# Format dirty.
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if (( $dirty > 0 )); then
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zstyle -s ':omz:module:git' dirty 'dirty_format'
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zformat -f dirty_formatted "$dirty_format" "D:$dirty"
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fi
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# Format prompts.
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zstyle -s ':omz:module:git' prompt 'prompt_format'
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zstyle -s ':omz:module:git' rprompt 'rprompt_format'
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git_info_vars=(
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git_prompt_info "$prompt_format"
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git_rprompt_info "$rprompt_format"
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)
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for git_info_var in ${(k)git_info_vars}; do
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zformat -f "$git_info_var" "$git_info_vars[$git_info_var]" \
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"A:$ahead_formatted" \
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"B:$behind_formatted" \
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"D:$dirty_formatted" \
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"R:$remote_formatted" \
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"S:$stashed_formatted" \
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"U:$unmerged_formatted" \
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"a:$added_formatted" \
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"b:$branch_formatted" \
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"c:$commit_formatted" \
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"d:$deleted_formatted" \
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"m:$modified_formatted" \
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"p:$position_formatted" \
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"r:$renamed_formatted" \
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"s:$action_formatted" \
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"u:$untracked_formatted"
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done
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unset _git_info_executing
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return 0
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}
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git-info "$@"
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