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git_prompt_status now uses hash lookups instead of multiple greps

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Billy Conn 2016-10-13 22:31:44 -05:00 committed by Marc Cornellà
parent 297238b739
commit 45a954cb0f
1 changed files with 91 additions and 33 deletions
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124
lib/git.zsh
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@ -147,46 +147,104 @@ function git_prompt_long_sha() {
SHA=$(__git_prompt_git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER" SHA=$(__git_prompt_git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
} }
# Get the status of the working tree
function git_prompt_status() { function git_prompt_status() {
emulate -L zsh
[[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return [[ "$(__git_prompt_git config --get oh-my-zsh.hide-status 2>/dev/null)" = 1 ]] && return
local INDEX STATUS local status_prompt=""
INDEX=$(__git_prompt_git status --porcelain -b 2> /dev/null) || return 0
STATUS="" # A lookup table of each git status encountered
if [[ "${INDEX}" =~ $'(^|\n)\\?\\? ' ]]; then local -A statuses_seen
STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
fi # Maps a git status prefix to an internal constant
if [[ "${INDEX}" =~ $'(^|\n)(A |M |MM) ' ]]; then # This cannot use the prompt constants, as they may be empty
STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS" local -A prefix_constant_map=(
fi '?? ' 'UNTRACKED'
if [[ "${INDEX}" =~ $'(^|\n)([ AM]M| T) ' ]]; then 'A ' 'ADDED'
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS" 'M ' 'ADDED'
fi 'MM ' 'ADDED'
if [[ "${INDEX}" =~ $'(^|\n)R ' ]]; then ' M ' 'MODIFIED'
STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS" 'AM ' 'MODIFIED'
fi ' T ' 'MODIFIED'
if [[ "${INDEX}" =~ $'(^|\n)([A ]D|D ) ' ]]; then 'R ' 'RENAMED'
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS" ' D ' 'DELETED'
'D ' 'DELETED'
'UU ' 'UNMERGED'
'ahead' 'AHEAD'
'behind' 'BEHIND'
'diverged' 'DIVERGED'
'stashed' 'STASHED'
)
# Maps the internal constant to the prompt theme
local -A constant_prompt_map=(
'UNTRACKED' "$ZSH_THEME_GIT_PROMPT_UNTRACKED"
'ADDED' "$ZSH_THEME_GIT_PROMPT_ADDED"
'MODIFIED' "$ZSH_THEME_GIT_PROMPT_MODIFIED"
'RENAMED' "$ZSH_THEME_GIT_PROMPT_RENAMED"
'DELETED' "$ZSH_THEME_GIT_PROMPT_DELETED"
'UNMERGED' "$ZSH_THEME_GIT_PROMPT_UNMERGED"
'AHEAD' "$ZSH_THEME_GIT_PROMPT_AHEAD"
'BEHIND' "$ZSH_THEME_GIT_PROMPT_BEHIND"
'DIVERGED' "$ZSH_THEME_GIT_PROMPT_DIVERGED"
'STASHED' "$ZSH_THEME_GIT_PROMPT_STASHED"
)
# The order that the prompt displays should be added to the prompt
local status_constants=(UNTRACKED ADDED MODIFIED RENAMED DELETED STASHED
UNMERGED AHEAD BEHIND DIVERGED)
local status_text=$(__git_prompt_git status --porcelain -b 2> /dev/null)
# Don't continue on a catastrophic failure
if [[ $? -eq 128 ]]; then
return 1
fi fi
if $(__git_prompt_git rev-parse --verify refs/stash >/dev/null 2>&1); then if $(__git_prompt_git rev-parse --verify refs/stash >/dev/null 2>&1); then
STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS" statuses_seen['STASHED']=1
fi fi
if [[ "${INDEX}" =~ $'(^|\n)UU ' ]]; then
STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS" local status_lines=("${(@f)${status_text}}");
# If the tracking line exists, get and parse it
if [[ $status_lines[1] =~ "^## [^ ]+ \[(.*)\]" ]]; then
local branch_statuses=("${(@s/,/)match}")
for branch_status in $branch_statuses; do
if [[ ! $branch_status =~ "(behind|diverged|ahead) ([0-9]+)?" ]]; then
continue
fi
local last_parsed_status=$prefix_constant_map[$match[1]]
statuses_seen[$last_parsed_status]=$match[2]
done
shift status_lines
fi fi
if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*ahead' ]]; then
STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS" # This not only gives us a status lookup, but the count of each type
fi for status_line in ${status_lines}; do
if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*behind' ]]; then local status_prefix=${status_line[1, 3]}
STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS" local status_constant=${(v)prefix_constant_map[$status_prefix]}
fi
if [[ "${INDEX}" =~ $'(^|\n)## [^ ]\+ .*diverged' ]]; then if [[ -z $status_constant ]]; then
STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS" continue
fi fi
echo $STATUS
(( statuses_seen[$status_constant]++ ))
done
# At this point, the statuses_seen hash contains:
# - Tracking => The difference between tracked and current
# - Modifications => The count of that type of modification
# - Stash => Whether or not a stash exists
# Might be useful for someone?
for status_constant in $status_constants; do
if [[ ${+statuses_seen[$status_constant]} -eq 1 ]]; then
local next_display=$constant_prompt_map[$status_constant]
status_prompt="$next_display$status_prompt"
fi
done
echo $status_prompt
} }
# Outputs the name of the current user # Outputs the name of the current user