#!/bin/bash
set -e

name=$(basename $0)
root="$(dirname $(dirname $(dirname $0)))"
gomtree=$(go run ${root}/test/realpath/main.go ${root}/gomtree)
t=$(mktemp -d -t go-mtree.XXXXXX)

echo "[${name}] Running in ${t}"
# This test is for basic running check of manifest, and check against tar and file system
#

pushd ${root}

git archive --format=tar -o "${t}/${name}.tar" HEAD^{tree}

prev_umask=$(umask)
umask 0 # this is so the tar command can set the mode's properly
mkdir -p ${t}/extract
tar -C ${t}/extract/ -xf "${t}/${name}.tar"
umask ${prev_umask}

# create manifest from tar
${gomtree} validate -K sha256digest -c -T "${t}/${name}.tar" > "${t}/${name}.mtree"

# check tar-manifest against the tar
${gomtree} validate -f ${t}/${name}.mtree -T "${t}/${name}.tar"

# check tar-manifest against the filesystem
# git archive makes the uid/gid as 0, so don't check them for this test
${gomtree} validate -k size,sha256digest,mode,type -f "${t}/${name}.mtree" -p ${t}/extract/

# create a manifest from filesystem
${gomtree} validate -K sha256digest -c -p "${t}/extract/" > "${t}/${name}.mtree"

# check filesystem-manifest against the filesystem
${gomtree} validate -f "${t}/${name}.mtree" -p "${t}/extract/"

# check filesystem-manifest against the tar
# git archive makes the uid/gid as 0, so don't check them for this test
${gomtree} validate -k size,sha256digest,mode,type -f "${t}/${name}.mtree" -T "${t}/${name}.tar"

popd
rm -rf ${t}