Add git-info module
based on the Prezto git module [function](https://github.com/sorin-ionescu/prezto/blob/master/modules/git/functions/git-info) and further refactored and simplified. What changed: - Commit format only in 'detached HEAD' state, so `$(coalesce "%b" "%c")` is not needed, because you only get one of those. - Removed the `added`, `deleted`, `modified`, `renamed` and `unmerged` verbose contexts. - `git status` is only used in verbose mode. - In non-verbose mode, the `untracked` context is not available, and also untracked files are not considered for computing the `dirty` context. Using `git status` or checking for untracked files is [expensive](https://gist.github.com/sindresorhus/3898739).
This commit is contained in:
Eric Nielsen
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98
modules/git-info/README.md
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98
modules/git-info/README.md
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Git-info
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========
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Exposes git repository status information to prompts.
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Many thanks to [Sorin Ionescu](https://github.com/sorin-ionescu) and
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[Colin Hebert](https://github.com/ColinHebert) for the original code.
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Git **1.7.2** is the
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[minimum required version](https://github.com/sorin-ionescu/prezto/issues/219).
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Settings
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--------
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### Ignore Submodules
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Retrieving the status of a repository with submodules can take a long time.
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Submodules may be ignored when 'none', 'untracked', 'dirty', or 'all', which is
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the default.
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zstyle ':zim:git-info' ignore-submodules 'none'
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### Verbose Mode
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Verbose mode uses `git status` and computes the count of indexed, unindexed and
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also untracked files. It can be enabled with the following zstyle:
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zstyle ':zim:git-info' verbose 'yes'
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In non-verbose mode, the 'untracked' context is not available (see Main
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Contexts below), and also untracked files are not considered for computing the
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'dirty' context. Using `git status` or checking for untracked files is
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[expensive](https://gist.github.com/sindresorhus/3898739).
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Theming
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-------
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To display information about the current repository in a prompt, define the
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following styles in the `prompt_name_setup` function, where the syntax for
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setting a style is:
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zstyle ':zim:git-info:context' format 'string'
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### Main Contexts
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| Name | Code | Description
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| --------- | :----: | --------------------------------------------------------
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| action | %s | Special action name (see Special Action Contexts below)
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| ahead | %A | Commits ahead of remote count
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| behind | %B | Commits behind of remote count
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| branch | %b | Branch name
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| commit | %c | Commit short hash (when in 'detached HEAD' state)
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| clean | %C | Clean state
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| dirty | %D | Dirty state (count with untracked files if verbose enabled)
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| indexed | %i | Indexed files (count if verbose enabled)
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| unindexed | %I | Unindexed files (count if verbose enabled)
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| position | %p | Commits from nearest tag count (when in 'detached HEAD' state)
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| remote | %R | Remote name
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| stashed | %S | Stashed states count
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| untracked | %u | Untracked files count (only if verbose enabled)
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### Untracked Contexts
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| Name | Format | Default Value
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| --------------------------- | :-----: | -------------------------------------
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| action:apply | value | 'apply'
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| action:bisect | value | 'bisect'
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| action:cherry-pick | value | 'cherry-pick'
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| action:cherry-pick-sequence | value | 'cherry-pick-sequence'
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| action:merge | value | 'merge'
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| action:rebase | value | 'rebase'
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| action:rebase-interactive | value | 'rebase-interactive'
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| action:rebase-merge | value | 'rebase-merge'
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Formatting example for special actions:
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zstyle ':zim:git-info:action:bisect' format '<B>'
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zstyle ':zim:git-info:action:merge' format '>M<'
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zstyle ':zim:git-info:action:rebase' format '>R>'
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### Usage
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First, format the repository state attributes. For example, to format the
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branch name, commit, and remote name, define the following styles:
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zstyle ':zim:git-info:branch' format 'branch:%b'
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zstyle ':zim:git-info:commit' format 'commit:%c'
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zstyle ':zim:git-info:remote' format 'remote:%R'
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Second, format how the above attributes are displayed in prompts:
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zstyle ':zim:git-info:keys' format \
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'prompt' 'git(%b%c)' \
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'rprompt' '[%R]'
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Last, add `$git_info[prompt]` to `$PROMPT` and `$git_info[rprompt]` to
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`$RPROMPT` respectively and call `git-info` in the `prompt_name_preexec` hook
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function.
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336
modules/git-info/init.zsh
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336
modules/git-info/init.zsh
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# vim: et ts=2 sts=2 sw=2 ft=zsh
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#
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# Exposes Git repository information via the git_info associative array.
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#
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# Gets the Git special action (am, bisect, cherry, merge, rebase).
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# Borrowed from vcs_info and edited.
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function _git-action {
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local git_dir=$(git-dir)
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local action_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"
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do
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if [[ -d ${action_dir} ]]; then
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local apply_formatted
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local rebase_formatted
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zstyle -s ':zim:git-info:action:apply' format 'apply_formatted' || apply_formatted='apply'
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zstyle -s ':zim:git-info:action:rebase' format 'rebase_formatted' || rebase_formatted='rebase'
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if [[ -f "${action_dir}/rebasing" ]]; then
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print ${rebase_formatted}
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elif [[ -f "${action_dir}/applying" ]]; then
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print ${apply_formatted}
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else
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print "${rebase_formatted}/${apply_formatted}"
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fi
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return 0
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fi
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done
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for action_dir in \
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"${git_dir}/rebase-merge/interactive" \
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"${git_dir}/.dotest-merge/interactive"
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do
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if [[ -f ${action_dir} ]]; then
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local rebase_interactive_formatted
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zstyle -s ':zim:git-info:action:rebase-interactive' format 'rebase_interactive_formatted' || rebase_interactive_formatted='rebase-interactive'
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print ${rebase_interactive_formatted}
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return 0
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fi
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done
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for action_dir in \
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"${git_dir}/rebase-merge" \
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"${git_dir}/.dotest-merge"
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do
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if [[ -d ${action_dir} ]]; then
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local rebase_merge_formatted
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zstyle -s ':zim:git-info:action:rebase-merge' format 'rebase_merge_formatted' || rebase_merge_formatted='rebase-merge'
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print ${rebase_merge_formatted}
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return 0
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fi
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done
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if [[ -f "${git_dir}/MERGE_HEAD" ]]; then
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local merge_formatted
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zstyle -s ':zim:git-info:action:merge' format 'merge_formatted' || merge_formatted='merge'
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print ${merge_formatted}
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return 0
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fi
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if [[ -f "${git_dir}/CHERRY_PICK_HEAD" ]]; then
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if [[ -d "${git_dir}/sequencer" ]]; then
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local cherry_pick_sequence_formatted
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zstyle -s ':zim:git-info:action:cherry-pick-sequence' format 'cherry_pick_sequence_formatted' || cherry_pick_sequence_formatted='cherry-pick-sequence'
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print ${cherry_pick_sequence_formatted}
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else
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local cherry_pick_formatted
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zstyle -s ':zim:git-info:action:cherry-pick' format 'cherry_pick_formatted' || cherry_pick_formatted='cherry-pick'
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print ${cherry_pick_formatted}
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fi
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return 0
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fi
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if [[ -f "${git_dir}/BISECT_LOG" ]]; then
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local bisect_formatted
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zstyle -s ':zim:git-info:action:bisect' format 'bisect_formatted' || bisect_formatted='bisect'
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print ${bisect_formatted}
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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 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 EXTENDED_GLOB
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# Clean up previous git_info.
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unset git_info
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typeset -gA git_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 (( $# )); 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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# Ignore submodule status.
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local ignore_submodules
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zstyle -s ':zim:git-info' ignore-submodules 'ignore_submodules' || ignore_submodules='all'
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# Format stashed.
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local stashed_format
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local stashed_formatted
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zstyle -s ':zim:git-info:stashed' format 'stashed_format'
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if [[ -n ${stashed_format} && -f "$(git-dir)/refs/stash" ]]; then
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local stashed
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(( stashed=$(git stash list 2>/dev/null | wc -l) ))
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(( stashed )) && zformat -f stashed_formatted ${stashed_format} "S:${stashed}"
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fi
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# Format action.
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local action_format
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local action_formatted
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zstyle -s ':zim:git-info:action' format 'action_format'
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if [[ -n ${action_format} ]]; then
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local action=$(_git-action)
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if [[ -n ${action} ]]; then
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zformat -f action_formatted ${action_format} "s:${action}"
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fi
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fi
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# Get the branch.
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local branch=$(git symbolic-ref -q --short HEAD 2>/dev/null)
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local ahead_formatted
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local behind_formatted
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local branch_formatted
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local commit_formatted
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local position_formatted
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local remote_formatted
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if [[ -n ${branch} ]]; then
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# Format branch.
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local branch_format
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zstyle -s ':zim:git-info:branch' format 'branch_format'
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if [[ -n ${branch_format} ]]; then
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zformat -f branch_formatted ${branch_format} "b:${branch}"
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fi
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# Format remote.
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local remote_format
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zstyle -s ':zim:git-info:remote' format 'remote_format'
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if [[ -n ${remote_format} ]]; then
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# Gets the remote name.
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local remote_cmd='git rev-parse --symbolic-full-name --verify HEAD@{upstream}'
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local remote=${$(${(z)remote_cmd} 2>/dev/null)##refs/remotes/}
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if [[ -n ${remote} ]]; then
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zformat -f remote_formatted ${remote_format} "R:${remote}"
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fi
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fi
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local ahead_format
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local behind_format
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zstyle -s ':zim:git-info:ahead' format 'ahead_format'
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zstyle -s ':zim:git-info:behind' format 'behind_format'
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if [[ -n ${ahead_format} || -n ${behind_format} ]]; then
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# Gets the commit difference counts between local and remote.
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local ahead_and_behind_cmd='git rev-list --count --left-right HEAD...@{upstream}'
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# Get ahead and behind counts.
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local ahead_and_behind=$(${(z)ahead_and_behind_cmd} 2>/dev/null)
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# Format ahead.
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if [[ -n ${ahead_format} ]]; then
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local ahead=${ahead_and_behind[(w)1]}
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(( ahead )) && zformat -f ahead_formatted ${ahead_format} "A:${ahead}"
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fi
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# Format behind.
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if [[ -n ${behind_format} ]]; then
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local behind=${ahead_and_behind[(w)2]}
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(( behind )) && 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 commit.
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local commit_format
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zstyle -s ':zim:git-info:commit' format 'commit_format'
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if [[ -n ${commit_format} ]]; then
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local commit=$(git rev-parse --short HEAD 2>/dev/null)
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if [[ -n ${commit} ]]; then
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zformat -f commit_formatted ${commit_format} "c:${commit}"
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fi
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fi
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# Format position.
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local position_format
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zstyle -s ':zim:git-info:position' format 'position_format'
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if [[ -n ${position_format} ]]; then
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local position=$(git describe --contains --all HEAD 2>/dev/null)
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if [[ -n ${position} ]]; then
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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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fi
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# Dirty and clean format.
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local dirty_format
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local dirty_formatted
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local clean_format
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local clean_formatted
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zstyle -s ':zim:git-info:dirty' format 'dirty_format'
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zstyle -s ':zim:git-info:clean' format 'clean_format'
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local dirty
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local indexed
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local indexed_formatted
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local unindexed
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local unindexed_formatted
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local untracked_formatted
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if ! zstyle -t ':zim:git-info' verbose; then
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# Format unindexed.
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local unindexed_format
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zstyle -s ':zim:git-info:unindexed' format 'unindexed_format'
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if [[ -n ${unindexed_format} || -n ${dirty_format} || -n ${clean_format} ]]; then
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(git diff-files --no-ext-diff --quiet --ignore-submodules=${ignore_submodules} 2>/dev/null)
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unindexed=$?
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if (( unindexed )); then
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unindexed_formatted=${unindexed_format}
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dirty=${unindexed}
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fi
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fi
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# Format indexed.
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local indexed_format
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zstyle -s ':zim:git-info:indexed' format 'indexed_format'
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if [[ -n ${indexed_format} || (${dirty} -eq 0 && (-n ${dirty_format} || -n ${clean_format})) ]]; then
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(git diff-index --no-ext-diff --quiet --cached --ignore-submodules=${ignore_submodules} HEAD 2>/dev/null)
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indexed=$?
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if (( indexed )); then
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indexed_formatted=${indexed_format}
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dirty=${indexed}
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fi
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fi
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# Format dirty and clean.
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if (( dirty )); then
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dirty_formatted=${dirty_format}
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else
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clean_formatted=${clean_format}
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fi
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else
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# Use porcelain status for easy parsing.
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local status_cmd="git status --porcelain --ignore-submodules=${ignore_submodules}"
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local untracked
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# Get current status.
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while IFS=$'\n' read line; do
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# T (type change) is undocumented, see http://git.io/FnpMGw.
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if [[ ${line} == \?\?\ * ]]; then
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(( untracked++ ))
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elif [[ ${line} == \ [DMT]\ * ]]; then
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(( unindexed++ ))
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elif [[ ${line} == [ACDMRT]\ \ * ]]; then
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(( indexed++ ))
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elif [[ ${line} == ([ACMRT][DMT]|D[MT])\ * ]]; then
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(( indexed++, unindexed++ ))
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fi
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(( dirty++ ))
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done < <(${(z)status_cmd} 2>/dev/null)
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# Format indexed.
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if (( indexed )); then
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local indexed_format
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zstyle -s ':zim:git-info:indexed' format 'indexed_format'
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zformat -f indexed_formatted ${indexed_format} "i:${indexed}"
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fi
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# Format unindexed.
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if (( unindexed )); then
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local unindexed_format
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zstyle -s ':zim:git-info:unindexed' format 'unindexed_format'
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zformat -f unindexed_formatted ${unindexed_format} "I:${unindexed}"
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fi
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# Format untracked.
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if (( untracked )); then
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local untracked_format
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zstyle -s ':zim:git-info:untracked' format '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 and clean.
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if (( dirty )); then
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zformat -f dirty_formatted ${dirty_format} "u:${dirty}"
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else
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clean_formatted=${clean_format}
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fi
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fi
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# Format info.
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local info_format
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local -A info_formats
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local reply
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zstyle -a ':zim:git-info:keys' format 'info_formats'
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for info_format in ${(k)info_formats}; do
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zformat -f reply "${info_formats[${info_format}]}" \
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"A:${ahead_formatted}" \
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"B:${behind_formatted}" \
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"b:${branch_formatted}" \
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"C:${clean_formatted}" \
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"c:${commit_formatted}" \
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"D:${dirty_formatted}" \
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"i:${indexed_formatted}" \
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"I:${unindexed_formatted}" \
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"p:${position_formatted}" \
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"R:${remote_formatted}" \
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"s:${action_formatted}" \
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"S:${stashed_formatted}" \
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"u:${untracked_formatted}"
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git_info[${info_format}]=${reply}
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done
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return 0
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}
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Loading…
Reference in a new issue