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#!/bin/sh
# gitolite VREF to count number of changed/new files in a push
# see gitolite docs for what the first 7 arguments mean
# inputs:
# arg-8 is a number
# arg-9 is optional, and can be "NEWFILES"
# outputs (STDOUT)
# arg-7 if the number of changed (or new, if arg-9 supplied) files is > arg-8
# otherwise nothing
# exit status:
# always 0
die() { echo "$@" >&2; exit 1; }
[ -z "$8" ] && die "not meant to be run manually"
newsha=$3
oldtree=$4
newtree=$5
refex=$7
max=$8
nf=
[ "$9" = "NEWFILES" ] && nf='--diff-filter=A'
# NO_SIGNOFF implies NEWFILES
[ "$9" = "NO_SIGNOFF" ] && nf='--diff-filter=A'
# count files against all the other commits in the system not just $oldsha
# (why? consider what is $oldtree when you create a new branch, or what is
# $oldsha when you update an old feature branch from master and then push it
count=`git log --name-only $nf --format=%n $newtree --not --all | grep . | sort -u | perl -ne '}{print "$."'`
[ $count -gt $max ] && {
# count has been exceeded. If $9 was NO_SIGNOFF there's still a chance
# for redemption -- if the top commit has a proper signed-off by line
[ "$9" = "NO_SIGNOFF" ] && {
author_email=$(git log --format=%ae -1 $newsha)
git cat-file -p $newsha |
egrep -i >/dev/null "^ *$count +new +files +signed-off by: *$author_email *$" && exit 0
echo $refex top commit message should include the text \'$count new files signed-off by: $author_email\'
exit 0
}
echo -n $refex "(too many "
[ -n "$nf" ] && echo -n "new " || echo -n "changed "
echo "files in this push)"
}
exit 0
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