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Speed up git ahead/behind parsing by ~20%

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This commit is contained in:
Justin Hileman 2017-01-30 07:33:52 -08:00
parent 908a7b5365
commit 9b414bc6fb
1 changed files with 24 additions and 1 deletions
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fish_prompt.fish
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@ -167,7 +167,30 @@ function __bobthefish_git_ahead -S -d 'Print the ahead/behind state for the curr
return
end
command git rev-list --left-right '@{upstream}...HEAD' ^/dev/null | awk '/>/ {a += 1} /</ {b += 1} {if (a > 0 && b > 0) nextfile} END {if (a > 0 && b > 0) print "±"; else if (a > 0) print "+"; else if (b > 0) print "-"}'
set -l ahead 0
set -l behind 0
for line in (command git rev-list --left-right '@{upstream}...HEAD' ^/dev/null)
switch "$line"
case '>*'
if [ $behind -eq 1 ]
echo '±'
return
end
set ahead 1
case '<*'
if [ $ahead -eq 1 ]
echo '±'
return
end
set behind 1
end
end
if [ $ahead -eq 1 ]
echo '+'
else if [ $behind -eq 1 ]
echo '-'
end
end
function __bobthefish_git_ahead_verbose -S -d 'Print a more verbose ahead/behind state for the current branch'