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git prompt: Use status --porcelain for informative status

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This allows us to stop descending into untracked directories, which
can be faster.

It's still not *good* - git can still be quite slow here, but if
there's an untracked directory you probably don't care about the
number of files in that.

Fixes #7871.
This commit is contained in:
Fabian Homborg 2021-03-30 17:51:34 +02:00
parent 93ce805f32
commit f75cf5c16b
1 changed files with 11 additions and 11 deletions
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22
share/functions/fish_git_prompt.fish
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@ -513,23 +513,23 @@ end
set -g ___fish_git_prompt_status_order stagedstate invalidstate dirtystate untrackedfiles stashstate
function __fish_git_prompt_informative_status
set -l changedFiles (command git diff --name-status 2>/dev/null | string match -r \\w)
set -l stagedFiles (command git diff --staged --name-status | string match -r \\w)
set -l x (count $changedFiles)
set -l y (count (string match -r "U" -- $changedFiles))
set -l dirtystate (math $x - $y)
set -l x (count $stagedFiles)
set -l invalidstate (count (string match -r "U" -- $stagedFiles))
set -l stagedstate (math $x - $invalidstate)
set -l untrackedfiles (command git ls-files --others --exclude-standard :/ | count)
set -l stashstate 0
set -l stashfile "$argv[1]/logs/refs/stash"
if set -q __fish_git_prompt_showstashstate; and test -e "$stashfile"
set stashstate (count < $stashfile)
end
# Use git status --porcelain.
# This uses the "normal" untracked mode so untracked directories are considered as 1 entry.
# It's quite a bit faster and unlikely anyone cares about the number of files if it's *all* of the files
# in that directory.
# The v2 format is better, but we don't actually care in this case.
set -l stats (string sub -l 2 (git status --porcelain -z -unormal | string split0))
set -l invalidstate (string match -r '^UU' $stats | count)
set -l stagedstate (string match -r '^[ACDMR].' $stats | count)
set -l dirtystate (string match -r '^.[ACDMR]' $stats | count)
set -l untrackedfiles (string match -r '^\?\?' $stats | count)
set -l info
# If `math` fails for some reason, assume the state is clean - it's the simpler path