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35 lines
923 B
Fish
Executable File
35 lines
923 B
Fish
Executable File
#! /usr/bin/env fish
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set TAG $argv[1]
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if test -z "$TAG"
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echo "Tag name required."
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exit 1
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end
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if not contains -- $TAG (git tag)
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echo "$TAG is not a valid tag name."
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exit 1
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end
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set committers_to_tag (mktemp)
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set committers_from_tag (mktemp)
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# You might think it would be better to case-insensitively sort/compare the names
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# to produce a more natural-looking list.
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# Unicode collation tables mean that this is fraught with danger; for example, the
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# "“" character will not case-fold in UTF-8 locales. sort suggests using the C locale!
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git log "$TAG" --format="%aN" --reverse | sort -u > $committers_to_tag
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git log "$TAG".. --format="%aN" --reverse | sort -u > $committers_from_tag
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echo New committers:
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echo (comm -13 $committers_to_tag $committers_from_tag)','
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echo
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echo Returning committers:
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echo (comm -12 $committers_to_tag $committers_from_tag)','
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rm $committers_to_tag $committers_from_tag
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