heptagon/tools/git-hooks/update

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#!/bin/sh
# Check for lexical syntax of commits in the current push that
refname="$1"
oldrev="$2"
newrev="$3"
if [ -z "$GIT_DIR" ]; then
echo "Don't run this script from the command line." >&2
echo " (if you want, you could supply GIT_DIR then run" >&2
echo " $0 <ref> <oldrev> <newrev>)" >&2
exit 1
fi
if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
exit 1
fi
# --- Check types
# if $newrev is 0000...0000, it's a commit to delete a ref.
zero="0000000000000000000000000000000000000000"
if [ "$newrev" = "$zero" ]; then
newrev_type=delete
else
newrev_type=$(git cat-file -t $newrev)
fi
# Good commit by default
bad=0
IFS='
'
# If the new object is a commit...
if [ "$newrev_type" = "commit" ]; then
# Loop over the new revisions
for c in $(git rev-list $old_rev..$newrev); do
# And each new file
for s in $(git ls-tree $c | egrep '\.ml(i?)$'; do
f=$(echo $s | awk '{ print $3 }')
name=$(echo $s | awk '{ print $4 }')
tmp=$(tempfile) || exit 1
trap "rm -f -- '$tmp'" EXIT
git cat-file blob $f > $tmp
# $tmp now holds the content of new file $name
if [ `wc -L $tmp | awk '{ print $1 }'` -gt 80 ]; then
echo "Commit $c/File \"$name\" has lines with more than 80 columns."
bad=1
fi
grep -P '\t' $tmp > /dev/null
if [ $? -eq 0 ]; then
echo "Commit $c/File \"$name\" has tabulations in it."
bad=1
fi
grep -P '( |\t)+$' $tmp > /dev/null
if [ $? -eq 0 ]; then
echo "Commit $c/File \"$name\" has trailing whitespace."
bad=1
fi
# Delete temporary file and remove the associated trap
rm -f -- '$tmp'
trap - EXIT
done
done
fi
exit $bad