313 lines
10 KiB
Text
313 lines
10 KiB
Text
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# vim:et 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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# 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 ! command git rev-parse --is-inside-work-tree >/dev/null 2>&1; 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 stashed_formatted
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zstyle -s ':zim:git-info:stashed' format 'stashed_format'
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if [[ -n ${stashed_format} ]]; then
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local -i stashed=$(command 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 action_formatted
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zstyle -s ':zim:git-info:action' format 'action_format'
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if [[ -n ${action_format} ]]; then
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# Gets the Git special action (am, bisect, cherry, merge, rebase).
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# Borrowed from vcs_info and edited.
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git-action() {
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local git_dir=${$(command git rev-parse --git-dir):A}
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local action_dir
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for action_dir in \
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"${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 ${action_dir} ]]; then
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local apply_formatted rebase_formatted
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zstyle -s ':zim:git-info:action:apply' format 'apply_formatted' || apply_formatted='apply'
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zstyle -s ':zim:git-info:action:rebase' format 'rebase_formatted' || rebase_formatted='rebase'
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if [[ -f "${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 ${bisect_formatted}
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return 0
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fi
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return 1
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}
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local action=$(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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# The contents of git_info are subject to expansion by the shell. Avoid
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# putting raw ref names in the prompt to protect the user from arbitrary code
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# execution via specially crafted ref names (e.g., a ref named
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# '$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' would execute 'sudo rm -rf /' when the
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# prompt is drawn). Instead, put the ref names in new global variables and
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# reference these variables from git_info.
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# See https://github.com/njhartwell/pw3nage
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# Get the branch.
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__GIT_INFO_BRANCH=$(command git symbolic-ref -q --short HEAD 2>/dev/null)
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local ahead_formatted behind_formatted branch_formatted commit_formatted diverged_formatted position_formatted remote_formatted
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if [[ -n ${__GIT_INFO_BRANCH} ]]; then
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unset __GIT_INFO_POSITION
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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 ${branch_format} 'b:${__GIT_INFO_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 ${remote_format} ]]; then
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# Gets the remote name.
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local remote_cmd='command git rev-parse --symbolic-full-name --verify HEAD@{upstream}'
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__GIT_INFO_REMOTE=${$(${(z)remote_cmd} 2>/dev/null)##refs/remotes/}
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if [[ -n ${__GIT_INFO_REMOTE} ]]; then
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zformat -f remote_formatted ${remote_format} 'R:${__GIT_INFO_REMOTE}'
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else
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unset __GIT_INFO_REMOTE
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fi
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fi
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local ahead_format behind_format diverged_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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zstyle -s ':zim:git-info:diverged' format 'diverged_format'
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if [[ -n ${ahead_format} || -n ${behind_format} || -n ${diverged_format} ]]; then
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# Gets the commit difference counts between local and remote.
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local ahead_and_behind_cmd='command git rev-list --count --left-right HEAD...@{upstream}'
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# Get ahead and behind counts.
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local ahead_and_behind=$(${(z)ahead_and_behind_cmd} 2>/dev/null)
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local -i ahead=${ahead_and_behind[(w)1]}
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local -i behind=${ahead_and_behind[(w)2]}
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if [[ -n ${diverged_format} && ${ahead} -gt 0 && ${behind} -gt 0 ]]; then
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# Format diverged.
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diverged_formatted=${diverged_format}
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else
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# Format ahead.
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if [[ -n ${ahead_format} && ${ahead} -gt 0 ]]; then
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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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if [[ -n ${behind_format} && ${behind} -gt 0 ]]; then
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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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fi
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else
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unset __GIT_INFO_BRANCH
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unset __GIT_INFO_REMOTE
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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 ${commit_format} ]]; then
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local commit=$(command 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 ${position_format} ]]; then
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__GIT_INFO_POSITION=$(command git describe --contains --all HEAD 2>/dev/null)
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if [[ -n ${__GIT_INFO_POSITION} ]]; then
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zformat -f position_formatted ${position_format} 'p:${__GIT_INFO_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 dirty_formatted clean_format 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 -i dirty
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local indexed_formatted unindexed_formatted 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 ${clean_format} ]]; then
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if ! command git diff-files --no-ext-diff --quiet --ignore-submodules=${ignore_submodules} >/dev/null 2>&1; then
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unindexed_formatted=${unindexed_format}
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dirty=1
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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 ${clean_format})) ]]; then
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if ! command git diff-index --no-ext-diff --quiet --cached --ignore-submodules=${ignore_submodules} HEAD >/dev/null 2>&1; then
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indexed_formatted=${indexed_format}
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dirty=1
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fi
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fi
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# Format dirty and clean.
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if (( dirty )); then
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dirty_formatted=${dirty_format}
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else
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clean_formatted=${clean_format}
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fi
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else
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# Use porcelain status for easy parsing.
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local status_cmd="command git status --porcelain --ignore-submodules=${ignore_submodules}"
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local -i indexed unindexed untracked
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# Get current status.
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while IFS=$'\n' read line; do
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if [[ ${line:0:2} == '??' ]]; then
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(( untracked++ ))
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else
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[[ ${line:0:1} != ' ' ]] && (( indexed++ ))
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[[ ${line:1:1} != ' ' ]] && (( unindexed++ ))
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fi
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(( dirty++ ))
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done < <(${(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 -A info_formats
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local info_format 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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"V:${diverged_formatted}"
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git_info[${info_format}]=${reply}
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done
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return 0
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