268 lines
9.6 KiB
Bash
268 lines
9.6 KiB
Bash
# The git prompt's git commands are read-only and should not interfere with
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# other processes. This environment variable is equivalent to running with `git
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# --no-optional-locks`, but falls back gracefully for older versions of git.
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# See git(1) for and git-status(1) for a description of that flag.
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#
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# We wrap in a local function instead of exporting the variable directly in
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# order to avoid interfering with manually-run git commands by the user.
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function __git_prompt_git() {
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GIT_OPTIONAL_LOCKS=0 command git "$@"
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}
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# Outputs current branch info in prompt format
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function git_prompt_info() {
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local ref
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if [[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" != "1" ]]; then
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ref=$(__git_prompt_git symbolic-ref HEAD 2> /dev/null) || \
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ref=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) || return 0
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echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
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fi
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}
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# Checks if working tree is dirty
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function parse_git_dirty() {
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local STATUS
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local -a FLAGS
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FLAGS=('--porcelain')
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if [[ "$(__git_prompt_git config --get oh-my-zsh.hide-dirty)" != "1" ]]; then
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if [[ "${DISABLE_UNTRACKED_FILES_DIRTY:-}" == "true" ]]; then
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FLAGS+='--untracked-files=no'
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fi
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case "${GIT_STATUS_IGNORE_SUBMODULES:-}" in
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git)
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# let git decide (this respects per-repo config in .gitmodules)
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;;
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*)
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# if unset: ignore dirty submodules
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# other values are passed to --ignore-submodules
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FLAGS+="--ignore-submodules=${GIT_STATUS_IGNORE_SUBMODULES:-dirty}"
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;;
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esac
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STATUS=$(__git_prompt_git status ${FLAGS} 2> /dev/null | tail -n1)
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fi
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if [[ -n $STATUS ]]; then
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echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
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else
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echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
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fi
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}
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# Gets the difference between the local and remote branches
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function git_remote_status() {
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local remote ahead behind git_remote_status git_remote_status_detailed
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remote=${$(__git_prompt_git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
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if [[ -n ${remote} ]]; then
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ahead=$(__git_prompt_git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
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behind=$(__git_prompt_git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)
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if [[ $ahead -eq 0 ]] && [[ $behind -eq 0 ]]; then
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git_remote_status="$ZSH_THEME_GIT_PROMPT_EQUAL_REMOTE"
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elif [[ $ahead -gt 0 ]] && [[ $behind -eq 0 ]]; then
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git_remote_status="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE"
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git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}"
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elif [[ $behind -gt 0 ]] && [[ $ahead -eq 0 ]]; then
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git_remote_status="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE"
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git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}"
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elif [[ $ahead -gt 0 ]] && [[ $behind -gt 0 ]]; then
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git_remote_status="$ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE"
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git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}"
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fi
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if [[ -n $ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_DETAILED ]]; then
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git_remote_status="$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_PREFIX$remote$git_remote_status_detailed$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_SUFFIX"
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fi
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echo $git_remote_status
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fi
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}
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# Outputs the name of the current branch
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# Usage example: git pull origin $(git_current_branch)
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# Using '--quiet' with 'symbolic-ref' will not cause a fatal error (128) if
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# it's not a symbolic ref, but in a Git repo.
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function git_current_branch() {
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local ref
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ref=$(__git_prompt_git symbolic-ref --quiet HEAD 2> /dev/null)
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local ret=$?
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if [[ $ret != 0 ]]; then
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[[ $ret == 128 ]] && return # no git repo.
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ref=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) || return
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fi
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echo ${ref#refs/heads/}
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}
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# Gets the number of commits ahead from remote
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function git_commits_ahead() {
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if __git_prompt_git rev-parse --git-dir &>/dev/null; then
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local commits="$(__git_prompt_git rev-list --count @{upstream}..HEAD 2>/dev/null)"
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if [[ -n "$commits" && "$commits" != 0 ]]; then
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echo "$ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX$commits$ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX"
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fi
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fi
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}
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# Gets the number of commits behind remote
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function git_commits_behind() {
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if __git_prompt_git rev-parse --git-dir &>/dev/null; then
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local commits="$(__git_prompt_git rev-list --count HEAD..@{upstream} 2>/dev/null)"
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if [[ -n "$commits" && "$commits" != 0 ]]; then
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echo "$ZSH_THEME_GIT_COMMITS_BEHIND_PREFIX$commits$ZSH_THEME_GIT_COMMITS_BEHIND_SUFFIX"
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fi
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fi
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}
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# Outputs if current branch is ahead of remote
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function git_prompt_ahead() {
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if [[ -n "$(__git_prompt_git rev-list origin/$(git_current_branch)..HEAD 2> /dev/null)" ]]; then
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echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
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fi
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}
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# Outputs if current branch is behind remote
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function git_prompt_behind() {
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if [[ -n "$(__git_prompt_git rev-list HEAD..origin/$(git_current_branch) 2> /dev/null)" ]]; then
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echo "$ZSH_THEME_GIT_PROMPT_BEHIND"
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fi
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}
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# Outputs if current branch exists on remote or not
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function git_prompt_remote() {
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if [[ -n "$(__git_prompt_git show-ref origin/$(git_current_branch) 2> /dev/null)" ]]; then
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echo "$ZSH_THEME_GIT_PROMPT_REMOTE_EXISTS"
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else
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echo "$ZSH_THEME_GIT_PROMPT_REMOTE_MISSING"
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fi
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}
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# Formats prompt string for current git commit short SHA
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function git_prompt_short_sha() {
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local SHA
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SHA=$(__git_prompt_git rev-parse --short HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
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}
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# Formats prompt string for current git commit long SHA
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function git_prompt_long_sha() {
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local SHA
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SHA=$(__git_prompt_git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
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}
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function git_prompt_status() {
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[[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return
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# Maps a git status prefix to an internal constant
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# This cannot use the prompt constants, as they may be empty
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local -A prefix_constant_map
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prefix_constant_map=(
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'\?\? ' 'UNTRACKED'
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'A ' 'ADDED'
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'M ' 'ADDED'
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'MM ' 'ADDED'
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' M ' 'MODIFIED'
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'AM ' 'MODIFIED'
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' T ' 'MODIFIED'
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'R ' 'RENAMED'
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' D ' 'DELETED'
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'D ' 'DELETED'
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'UU ' 'UNMERGED'
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'ahead' 'AHEAD'
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'behind' 'BEHIND'
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'diverged' 'DIVERGED'
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'stashed' 'STASHED'
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)
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# Maps the internal constant to the prompt theme
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local -A constant_prompt_map
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constant_prompt_map=(
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'UNTRACKED' "$ZSH_THEME_GIT_PROMPT_UNTRACKED"
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'ADDED' "$ZSH_THEME_GIT_PROMPT_ADDED"
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'MODIFIED' "$ZSH_THEME_GIT_PROMPT_MODIFIED"
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'RENAMED' "$ZSH_THEME_GIT_PROMPT_RENAMED"
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'DELETED' "$ZSH_THEME_GIT_PROMPT_DELETED"
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'UNMERGED' "$ZSH_THEME_GIT_PROMPT_UNMERGED"
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'AHEAD' "$ZSH_THEME_GIT_PROMPT_AHEAD"
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'BEHIND' "$ZSH_THEME_GIT_PROMPT_BEHIND"
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'DIVERGED' "$ZSH_THEME_GIT_PROMPT_DIVERGED"
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'STASHED' "$ZSH_THEME_GIT_PROMPT_STASHED"
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)
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# The order that the prompt displays should be added to the prompt
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local status_constants
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status_constants=(
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UNTRACKED ADDED MODIFIED RENAMED DELETED
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STASHED UNMERGED AHEAD BEHIND DIVERGED
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)
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local status_text="$(__git_prompt_git status --porcelain -b 2> /dev/null)"
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# Don't continue on a catastrophic failure
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if [[ $? -eq 128 ]]; then
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return 1
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fi
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# A lookup table of each git status encountered
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local -A statuses_seen
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if __git_prompt_git rev-parse --verify refs/stash &>/dev/null; then
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statuses_seen[STASHED]=1
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fi
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local status_lines
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status_lines=("${(@f)${status_text}}")
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# If the tracking line exists, get and parse it
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if [[ "$status_lines[1]" =~ "^## [^ ]+ \[(.*)\]" ]]; then
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local branch_statuses
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branch_statuses=("${(@s/,/)match}")
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for branch_status in $branch_statuses; do
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if [[ ! $branch_status =~ "(behind|diverged|ahead) ([0-9]+)?" ]]; then
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continue
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fi
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local last_parsed_status=$prefix_constant_map[$match[1]]
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statuses_seen[$last_parsed_status]=$match[2]
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done
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fi
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# For each status prefix, do a regex comparison
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for status_prefix in ${(k)prefix_constant_map}; do
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local status_constant="${prefix_constant_map[$status_prefix]}"
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local status_regex=$'(^|\n)'"$status_prefix"
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if [[ "$status_text" =~ $status_regex ]]; then
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statuses_seen[$status_constant]=1
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fi
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done
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# Display the seen statuses in the order specified
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local status_prompt
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for status_constant in $status_constants; do
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if (( ${+statuses_seen[$status_constant]} )); then
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local next_display=$constant_prompt_map[$status_constant]
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status_prompt="$next_display$status_prompt"
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fi
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done
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echo $status_prompt
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}
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# Outputs the name of the current user
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# Usage example: $(git_current_user_name)
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function git_current_user_name() {
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__git_prompt_git config user.name 2>/dev/null
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}
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# Outputs the email of the current user
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# Usage example: $(git_current_user_email)
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function git_current_user_email() {
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__git_prompt_git config user.email 2>/dev/null
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}
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# Output the name of the root directory of the git repository
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# Usage example: $(git_repo_name)
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function git_repo_name() {
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local repo_path
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if repo_path="$(__git_prompt_git rev-parse --show-toplevel 2>/dev/null)" && [[ -n "$repo_path" ]]; then
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echo ${repo_path:t}
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fi
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}
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