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#!/bin/bash
set -e
. tests/lib

t-drs
t-git-none

t-select-package pari-extra
t-worktree drs

cd $p

mustfail () {
	local mpat="$1"; shift
	t-expect-push-fail "$mpat" \
	git push origin "$@"
}

mustsucceed () {
	t-reporefs pre-push
	git push origin "$@"
	t-reporefs post-push
	if diff $tmp/show-refs.{pre,post}-push >$tmp/show-refs.diff; then
		fail "no refs updated"
	fi
}

prep () {
	local suite=$1
	csuite=$2
	cp $tmp/masters/* $tmp/.
	tag_signer='-u Senatus'
	tag_message="$p release $version for $suite ($csuite) [dgit]"
	re-prep
}
re-prep () {
	tag_name=$tagpfx/$version
	push_spec1="HEAD:refs/dgit/$csuite"
	push_spec2="refs/tags/$tag_name"
	push_spec="$push_spec1 $push_spec2"
}
mktag () {
	t-git-next-date
	git tag -f $tag_signer -m "$tag_message" $tag_name "$@"
}

mkdir $tmp/masters
cp $tmp/d[dm].* $tmp/masters

version=3-2_dummy1

prep unstable sid
tag_signer='-a'
mktag
mustfail 'missing signature' $push_spec

git cat-file tag $tag_name >goodtag

for h in object type tag; do
  for how in missing dupe; do

    case $how in
    missing) perl -pe 's/^tag /wombat$&/ if 1..m/^$/'  <goodtag >badtag ;;
    dupe)   perl -pe 'print if 1..m/^$/ and m/^'$h' /' <goodtag >badtag ;;
    esac

    rm -f badtag.asc
    gpg --detach-sign --armor -u Senatus badtag
    cat badtag.asc >>badtag

    set +e
    LC_MESSAGES=C git hash-object -w -t tag badtag >badtag.hash 2>badtag.err
    rc=$?
    set -e

    if [ $rc = 128 ] && grep 'fatal: corrupt tag' badtag.err; then
      continue
    elif [ $rc != 0 ]; then
      cat badtag.err
      fail "could not make tag"
    fi

    read <badtag.hash badtag
    git update-ref refs/tags/$tag_name $badtag

    mustfail 'multiple headers '$h' in signed tag object' $push_spec

    t-expect-fsck-fail $badtag
  done
done

prep unstable sid
tag_message='something'
mktag
mustfail 'tag message not in expected format' $push_spec

prep unstable sid
mktag
mustfail 'sid != sponge' HEAD:refs/dgit/sponge $push_spec2

# fixme test --sig-policy-url string
# fixme cannot test   reject "signature is not of type 00!";

prep unstable sid
mktag
mustfail 'push is missing tag ref update' $push_spec1
mustfail 'push is missing head ref update' +$push_spec2
mustfail 'pushing unexpected ref' $push_spec HEAD:refs/wombat
mustfail 'pushing multiple heads' $push_spec HEAD:refs/dgit/wombat
mustfail E:'pushing multiple tags|pushing too many similar tags' \
	$push_spec HEAD:refs/tags/$tagpfx/wombat

prep unstable sid
mktag
echo woody >$tmp/suites
mustfail 'unknown suite' $push_spec
cp $root/tests/suites $tmp/.

# fixme:
#    or reject "command string not understood";
#    reject "unknown method" unless $mainfunc;


prep unstable sid
mktag
cp $tmp/dm.gpg $tmp/dd.gpg
mustfail 'key not found in keyrings' $push_spec

prep unstable sid
mktag HEAD~
mustfail 'tag refers to wrong commit' $push_spec

prep unstable sid
mktag HEAD~:
mustfail 'tag refers to wrong kind of object' $push_spec

prep unstable sid
tag_name=$tagpfx/wombat
mktag
#git update-ref $tagpfx/$version $tagpfx/wombat
mustfail 'tag name in tag is wrong' \
	refs/tags/$tagpfx/wombat:refs/tags/$tagpfx/$version $push_spec1

t-make-badcommit
git checkout -b broken $badcommit
prep unstable sid
mktag
mustfail "corrupted object $badcommit" $push_spec

git checkout dgit/sid
prep unstable sid
mktag
mustsucceed $push_spec # succeeds

mktag
mustfail 'push is missing head ref update' $push_spec1 +$push_spec2

git commit --allow-empty -m 'Dummy update'
mktag
mustfail 'not replacing previously-pushed version' +$push_spec1 +$push_spec2

t-newtag
re-prep
mktag
mustfail 'not replacing previously-pushed version' +$push_spec1 +$push_spec2

git reset --hard HEAD~

prep_dm_mangle () {
	prep unstable sid
	perl -i.bak -pe '
		next unless m/^fingerprint: 3A82860837A0CD32/i../^$/;
	' -e "$1" $tmp/dm.txt
	tag_signer='-u Populus'
	mktag
}

git commit --amend --message 'Make it not a fast forward'
version=3-2_dummy2
prep unstable sid
mktag
mustfail 'not fast forward on dgit branch' +$push_spec1 +$push_spec2

git checkout v2
version=3-2_dummy2

prep_dm_mangle ''
perl -i.bak -ne 'print if 1..s/(pari-extra).*\n/$1/' $tmp/dm.txt
mustfail '' $push_spec # malformed (truncated) dm.txt; don't care about msg

prep_dm_mangle 's/allow:/asponge:/i'
mustfail 'missing Allow section in permission' $push_spec

prep_dm_mangle 's/\bpari-extra\b/sponge/i'
mustfail "package $p not allowed for key" $push_spec

prep_dm_mangle 'y/0-9/5-90-4/ if m/^fingerprint:/i'
mustfail "not in permissions list although in keyring" $push_spec

prep_dm_mangle ''
mustsucceed $push_spec # succeeds

t-ok