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#!/bin/bash
set -e
set -o pipefail
tmp=.git/dgit-badcommit-fixup-tmp
rm -rf $tmp
mkdir $tmp
LC_MESSAGES=C git fsck --no-dangling >$tmp/gfo 2>&1 || test $? = 1
perl -ne '
print $1, "\n" or die $! if
m/^error in commit (\w+):.*invalid format - expected '\''committer/;
' <$tmp/gfo >$tmp/bad
case `wc -l <$tmp/bad` in
0)
echo >&2 'nothing bad found - is git-fsck doing as we expect?' ;
exit 8 ;;
1)
read <$tmp/bad bads
nots="^$bads^0 ^$bads^1"
;;
*)
bads="cat $tmp/bad"
;;
esac
args="$nots"
refs=`git-for-each-ref --format='%(refname)'`
if git-symbolic-ref HEAD >/dev/null 2>&1; then
refs+=' HEAD'
fi
for head in $refs; do
exec <$tmp/bad
needed=false
for bad in $bads; do
if git merge-base --is-ancestor $bad $head; then
needed=true
break
fi
done
if ! $needed; then continue; fi
args+=" $head"
done
git filter-branch --original dgit-badcommit --commit-filter '
echo >&2 "FOO $*"
cat >&2
echo >&2 ====
false
sed -e '\''1,/^$/ s/^commiter /committer /'\''
' $args
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