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19 lines
519 B
Fish
19 lines
519 B
Fish
function git_ahead -a ahead behind diverged none
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not git_is_repo; and return
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set -l commit_count (command git rev-list --count --left-right "@{upstream}...HEAD" ^/dev/null)
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switch "$commit_count"
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case ""
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# no upstream
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case "0"\t"0"
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test -n "$none"; and echo "$none"; or echo ""
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case "*"\t"0"
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test -n "$behind"; and echo "$behind"; or echo "-"
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case "0"\t"*"
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test -n "$ahead"; and echo "$ahead"; or echo "+"
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case "*"
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test -n "$diverged"; and echo "$diverged"; or echo "±"
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end
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end
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