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prezto/plugins/git/functions/git-info

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#
# Displays Git repository information.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# Gets the path to the Git directory.
function _git-dir() {
local git_root="$(git-root)"
local git_dir_or_file="${git_root}/.git"
local git_dir
if [[ ! -d "$git_root" ]]; then
return 1
fi
if [[ -f "$git_dir_or_file" ]]; then
git_dir="${${${$(<"$git_dir_or_file")}[(fr)gitdir:*]}#gitdir: }"
else
git_dir="$git_dir_or_file"
fi
if [[ -d "$git_dir" ]]; then
print "$git_dir"
return 0
fi
return 1
}
# Gets the Git special action (am, merge, rebase, etc.).
# Borrowed from vcs_info and edited.
function _git-action() {
local action=''
local action_dir
local git_dir="$(_git-dir)"
for action_dir in \
"${git_dir}/rebase-apply" \
"${git_dir}/rebase" \
"${git_dir}/../.dotest"; do
if [[ -d "$action_dir" ]] ; then
if [[ -f "${action_dir}/rebasing" ]] ; then
action='rebase'
elif [[ -f "${action_dir}/applying" ]] ; then
action='am'
else
action='am/rebase'
fi
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print "$action"
return 0
fi
done
for action_dir in \
"${git_dir}/rebase-merge/interactive" \
"${git_dir}/.dotest-merge/interactive"; do
if [[ -f "$action_dir" ]]; then
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print 'rebase-i'
return 0
fi
done
for action_dir in \
"${git_dir}/rebase-merge" \
"${git_dir}/.dotest-merge"; do
if [[ -d "$action_dir" ]]; then
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print 'rebase-m'
return 0
fi
done
if [[ -f "${git_dir}/MERGE_HEAD" ]]; then
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print 'merge'
return 0
fi
if [[ -f "${git_dir}/CHERRY_PICK_HEAD" ]]; then
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print 'cherry-pick'
return 0
fi
if [[ -f "${git_dir}/BISECT_LOG" ]]; then
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print 'bisect'
return 0
fi
return 1
}
# Turns off git-info for the current repository.
function _git-info-abort() {
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if ! is-true "$_git_info_executing"; then
return 1
fi
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cat >&2 <<EOF
Gathering status for certain repositories is time intensive.
By pressing CTRL + C, you have turned off prompt Git status
for this repository.
To revert, execute:
git-info on
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EOF
unset _git_info_executing
git config --bool prompt.showinfo false
git-info
return 0
}
add-zsh-trap INT _git-info-abort
# Gets the Git status information.
function git-info() {
# Extended globbing is needed to parse repository status.
setopt LOCAL_OPTIONS
setopt EXTENDED_GLOB
local action
local action_format
local action_formatted
local added=0
local added_format
local added_formatted
local ahead
local ahead_format
local ahead_formatted
local ahead_or_behind
local behind
local behind_format
local behind_formatted
local branch
local branch_info
local branch_format
local branch_formatted
local clean
local clean_formatted
local commit
local commit_short
local commit_format
local deleted=0
local deleted_format
local deleted_formatted
local dirty=0
local dirty_format
local dirty_formatted
local line_number=0
local modified=0
local modified_format
local modified_formatted
local remote
local remote_format
local remote_formatted
local renamed=0
local renamed_format
local renamed_formatted
local commit_formatted
local stashed=0
local stashed_format
local stashed_formatted
local unmerged=0
local unmerged_format
local unmerged_formatted
local untracked=0
local untracked_format
local untracked_formatted
local prompt
local rprompt
local git_info_var
local -A git_info_vars
local status_cmd
local ignore_submodule
local ignore_submodule_when
# Clean up previous Git info.
unset git_prompt_info
unset git_rprompt_info
# 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
return 1
fi
if (( $# > 0 )); then
if [[ "$1" == [Oo][Nn] ]]; then
git config --bool prompt.showinfo true
elif [[ "$1" == [Oo][Ff][Ff] ]]; then
git config --bool prompt.showinfo false
else
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print "usage: $0 [ on | off ]" >&2
fi
return 0
fi
# Return if git-info is disabled.
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if ! is-true "${$(git config --bool prompt.showinfo):-true}"; then
return 1
fi
# Used to abort and turn git-info off on SIGINT.
_git_info_executing=true
# Use short status for easy parsing.
status_cmd='git status --short --branch'
# Ignore submodule status.
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zstyle -b \
':omz:plugin:git:prompt:ignore' submodule 'ignore_submodule'
zstyle -s \
':omz:plugin:git:prompt:ignore:submodule' when 'ignore_submodule_when'
if is-true "$ignore_submodule"; then
status_cmd+=" --ignore-submodules=${ignore_submodule_when:-all}"
fi
# Get commit.
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commit="$(git rev-parse HEAD 2>/dev/null)"
# Format commit (short).
commit_short="$commit[1,7]"
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zstyle -s ':omz:plugin:git:prompt' commit 'commit_format'
zformat -f commit_formatted "$commit_format" "c:$commit_short"
# Stashed
if [[ -f "$(_git-dir)/refs/stash" ]]; then
stashed="$(git stash list 2>/dev/null | wc -l)"
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zstyle -s ':omz:plugin:git:prompt' stashed 'stashed_format'
zformat -f stashed_formatted "$stashed_format" "S:$stashed"
fi
# Assume that the working copy is clean.
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zstyle -s ':omz:plugin:git:prompt' clean 'clean_formatted'
while IFS=$'\n' read line; do
(( line_number++ ))
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if (( line_number == 1 )) && [[ "$line" == *'(no branch)'* ]]; then
# Set branch to commit (short) when the branch is not found.
branch="$commit_short"
# Get action.
action="$(_git-action)"
if [[ -n "$action" ]]; then
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zstyle -s ':omz:plugin:git:prompt' action 'action_format'
zformat -f action_formatted "$action_format" "s:$action"
fi
elif (( line_number == 1 )) \
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&& [[ "$line" == (#b)'## Initial commit on '(?##) ]];
then
branch="$match[1]"
elif (( line_number == 1 )); then
# Split the line into an array for parsing.
branch_info=(${(s: :)line})
# Match: master...origin/master
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if [[ "$branch_info[2]" == (#b)(?##)...(?##/?##) ]]; then
branch="$match[1]"
remote="$match[2]"
# Match: [ahead or [behind
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if [[ "$branch_info[3]" == (#b)\[(ahead|behind) ]]; then
ahead_or_behind="$match[1]"
if [[ "$ahead_or_behind" == 'behind' ]]; then
# Extract digits: 10]
behind="${branch_info[4]%\]}"
else
# Extract digits: 10] or 10,
ahead="${branch_info[4]%[,\]]}"
# Extract digits: 10]
behind="${branch_info[6]%\]}"
fi
fi
# Match: master
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elif [[ "$branch_info[2]" == (#b)(?##) ]]; then
branch="$match[1]"
fi
else
# Count added, deleted, modified, renamed, unmerged, untracked, dirty.
[[ "$line" == (((A|M|D|T) )|(AD|AM|AT|MM))\ * ]] && (( added++ ))
[[ "$line" == ( D|AD)\ * ]] && (( deleted++ ))
[[ "$line" == (( (M|T))|(AM|AT|MM))\ * ]] && (( modified++ ))
[[ "$line" == R\ \ * ]] && (( renamed++ ))
[[ "$line" == UU\ * ]] && (( unmerged++ ))
[[ "$line" == \?\?\ * ]] && (( untracked++ ))
(( dirty++ ))
fi
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done < <("${(z)status_cmd}" 2>/dev/null)
# Format branch.
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zstyle -s ':omz:plugin:git:prompt' branch 'branch_format'
zformat -f branch_formatted "$branch_format" "b:$branch"
# Format remote.
if [[ "$branch" != "$commit" ]]; then
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if [[ -z "$remote" ]]; then
remote="${$( \
git rev-parse \
--verify ${branch}@{upstream} \
--symbolic-full-name 2>/dev/null)#refs/remotes/}"
fi
zstyle -s ':omz:plugin:git:prompt' remote 'remote_format'
zformat -f remote_formatted "$remote_format" "R:$remote"
fi
# Format ahead.
if [[ -n "$ahead" ]]; then
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zstyle -s ':omz:plugin:git:prompt' ahead 'ahead_format'
zformat -f ahead_formatted "$ahead_format" "A:$ahead"
fi
# Format behind.
if [[ -n "$behind" ]]; then
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zstyle -s ':omz:plugin:git:prompt' behind 'behind_format'
zformat -f behind_formatted "$behind_format" "B:$behind"
fi
# Format added.
if (( $added > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' added 'added_format'
zformat -f added_formatted "$added_format" "a:$added_format"
fi
# Format deleted.
if (( $deleted > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' deleted 'deleted_format'
zformat -f deleted_formatted "$deleted_format" "d:$deleted_format"
fi
# Format modified.
if (( $modified > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' modified 'modified_format'
zformat -f modified_formatted "$modified_format" "m:$modified"
fi
# Format renamed.
if (( $renamed > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' renamed 'renamed_format'
zformat -f renamed_formatted "$renamed_format" "r:$renamed"
fi
# Format unmerged.
if (( $unmerged > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' unmerged 'unmerged_format'
zformat -f unmerged_formatted "$unmerged_format" "U:$unmerged"
fi
# Format untracked.
if (( $untracked > 0 )); then
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zstyle -s ':omz:plugin:git:prompt' untracked 'untracked_format'
zformat -f untracked_formatted "$untracked_format" "u:$untracked"
fi
# Format dirty.
if (( $dirty > 0 )); then
zstyle -s ':omz:plugin:git:prompt' dirty 'dirty_format'
zformat -f dirty_formatted "$dirty_format" "D:$dirty"
unset clean_formatted
fi
# Format prompts.
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zstyle -s ':omz:plugin:git:prompt' prompt 'prompt_format'
zstyle -s ':omz:plugin:git:prompt' rprompt 'rprompt_format'
git_info_vars=(
git_prompt_info "$prompt_format"
git_rprompt_info "$rprompt_format"
)
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]" \
"s:$action_formatted" \
"a:$added_formatted" \
"A:$ahead_formatted" \
"B:$behind_formatted" \
"b:$branch_formatted" \
"C:$clean_formatted" \
"c:$commit_formatted" \
"d:$deleted_formatted" \
"D:$dirty_formatted" \
"m:$modified_formatted" \
"R:$remote_formatted" \
"r:$renamed_formatted" \
"S:$stashed_formatted" \
"U:$unmerged_formatted" \
"u:$untracked_formatted"
done
unset _git_info_executing
return 0
}
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git-info "$@"