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git_prompt_status now uses hash lookups instead of multiple greps
This commit is contained in:
Billy Conn
Marc Cornellà
parent
297238b739
commit
45a954cb0f
1 changed files with 91 additions and 33 deletions
124
lib/git.zsh
124
lib/git.zsh
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@ -147,46 +147,104 @@ function git_prompt_long_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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# Get the status of the working tree
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function git_prompt_status() {
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emulate -L zsh
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[[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return
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local INDEX STATUS
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INDEX=$(__git_prompt_git status --porcelain -b 2> /dev/null) || return 0
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STATUS=""
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if [[ "${INDEX}" =~ $'(^|\n)\\?\\? ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)(A |M |MM) ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)([ AM]M| T) ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)R ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)([A ]D|D ) ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
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local status_prompt=""
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# A lookup table of each git status encountered
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local -A statuses_seen
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# Maps a git status prefix to an internal constant
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# This cannot use the prompt constants, as they may be empty
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local -A prefix_constant_map=(
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'?? ' 'UNTRACKED'
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'A ' 'ADDED'
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'M ' 'ADDED'
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'MM ' 'ADDED'
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' M ' 'MODIFIED'
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'AM ' 'MODIFIED'
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' T ' 'MODIFIED'
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'R ' 'RENAMED'
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' D ' 'DELETED'
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'D ' 'DELETED'
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'UU ' 'UNMERGED'
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'ahead' 'AHEAD'
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'behind' 'BEHIND'
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'diverged' 'DIVERGED'
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'stashed' 'STASHED'
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)
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# Maps the internal constant to the prompt theme
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local -A constant_prompt_map=(
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'UNTRACKED' "$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' "$ZSH_THEME_GIT_PROMPT_STASHED"
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)
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# The order that the prompt displays should be added to the prompt
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local status_constants=(UNTRACKED ADDED MODIFIED RENAMED DELETED STASHED
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UNMERGED AHEAD BEHIND DIVERGED)
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local status_text=$(__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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if $(__git_prompt_git rev-parse --verify refs/stash >/dev/null 2>&1); then
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STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS"
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statuses_seen['STASHED']=1
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fi
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if [[ "${INDEX}" =~ $'(^|\n)UU ' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
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local status_lines=("${(@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=("${(@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]=$match[2]
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done
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shift status_lines
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fi
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if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*ahead' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*behind' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS"
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fi
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if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*diverged' ]]; then
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STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS"
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fi
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echo $STATUS
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# This not only gives us a status lookup, but the count of each type
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for status_line in ${status_lines}; do
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local status_prefix=${status_line[1, 3]}
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local status_constant=${(v)prefix_constant_map[$status_prefix]}
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if [[ -z $status_constant ]]; then
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continue
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fi
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(( statuses_seen[$status_constant]++ ))
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done
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# At this point, the statuses_seen hash contains:
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# - Tracking => The difference between tracked and current
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# - Modifications => The count of that type of modification
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# - Stash => Whether or not a stash exists
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# Might be useful for someone?
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for status_constant in $status_constants; do
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if [[ ${+statuses_seen[$status_constant]} -eq 1 ]]; 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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