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build_tools/list_committers_since.fish: tool for showing new & returning committers

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David Adam 2017-02-04 20:56:19 +08:00
parent b3d5fb71f4
commit 8339e28cfe
1 changed files with 34 additions and 0 deletions
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34
build_tools/list_committers_since.fish Executable file
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#! /usr/bin/env fish
set TAG $argv[1]
if test -z "$TAG"
echo "Tag name required."
exit 1
end
if not contains -- $TAG (git tag)
echo "$TAG is not a valid tag name."
exit 1
end
set committers_to_tag (mktemp)
set committers_from_tag (mktemp)
# You might think it would be better to case-insensitively sort/compare the names
# to produce a more natural-looking list.
# Unicode collation tables mean that this is fraught with danger; for example, the
# "“" character will not case-fold in UTF-8 locales. sort suggests using the C locale!
git log "$TAG" --format="%aN" --reverse | sort | uniq > $committers_to_tag
git log "$TAG".. --format="%aN" --reverse | sort | uniq > $committers_from_tag
echo New committers:
echo (comm -13 $committers_to_tag $committers_from_tag)','
echo
echo Returning committers:
echo (comm -12 $committers_to_tag $committers_from_tag)','
rm $committers_to_tag $committers_from_tag