#!/usr/bin/env bash
. wvtest.sh
+. t/lib.sh
TOP="$(pwd)"
export BUP_DIR="$TOP/buptest.tmp"
"$TOP/bup" "$@"
}
+hardlink-sets()
+{
+ "$TOP/t/hardlink-sets" "$@"
+}
+
# Very simple metadata tests -- create a test tree then check that bup
# meta can reproduce the metadata correctly (according to bup xstat)
# via create, extract, start-extract, and finish-extract. The current
)
}
-actually-root()
-{
- test "$(whoami)" == root -a -z "$FAKEROOTKEY"
-}
-
-force-delete()
-{
- if ! actually-root; then
- rm -rf "$@"
- else
- # Go to greater lengths to deal with any test detritus.
- for f in "$@"; do
- test -e "$@" || continue
- chattr -fR = "$@" || true
- setfacl -Rb "$@"
- rm -r "$@"
- done
- fi
-}
-
-compare-trees()
-{
- (
- set -e
- set -o pipefail
- tmpfile="$(mktemp)"
- trap "rm -rf '${tmpfile}'" EXIT
- rsync -ni -aHAX "$1" "$2" > "${tmpfile}"
- if test $(wc -l < "${tmpfile}") != 0; then
- echo "ERROR: detected differences between $1 and $2"
- cat "${tmpfile}"
- false
- fi
- )
-}
-
test-src-create-extract()
{
# Test bup meta create/extract for ./src -> ./src-restore.
mkdir src-restore
WVPASS bup restore -C src-restore "/src/latest$(pwd)/"
WVPASS test -d src-restore/src
- WVPASS compare-trees src/ src-restore/src/
+ WVPASS "$TOP/t/compare-trees" -c src/ src-restore/src/
rm -rf src.bup
set +x
)
}
-if actually-root; then
+universal-cleanup()
+{
+ if ! actually-root; then return 0; fi
+ cd "$TOP"
umount "$TOP/bupmeta.tmp/testfs" || true
-fi
+ umount "$TOP/bupmeta.tmp/testfs-limited" || true
+}
+
+universal-cleanup
+trap universal-cleanup EXIT
setup-test-tree()
(
mkdir -p "$TOP/bupmeta.tmp/src"
cp -pPR Documentation cmd lib t "$TOP/bupmeta.tmp"/src
+ # Add some hard links for the general tests.
+ (
+ cd "$TOP/bupmeta.tmp"/src
+ touch hardlink-target
+ ln hardlink-target hardlink-1
+ ln hardlink-target hardlink-2
+ ln hardlink-target hardlink-3
+ )
+
+ # Add some trivial files for the index, modify, save tests.
+ (
+ cd "$TOP/bupmeta.tmp"/src
+ mkdir volatile
+ touch volatile/{1,2,3}
+ )
+
# Regression test for metadata sort order. Previously, these two
# entries would sort in the wrong order because the metadata
# entries were being sorted by mangled name, but the index isn't.
test-src-save-restore
)
+# Test that we pull the index (not filesystem) metadata for any
+# unchanged files whenever we're saving other files in a given
+# directory.
+WVSTART 'metadata save/restore (using index metadata)'
+(
+ setup-test-tree
+ cd "$TOP/bupmeta.tmp"
+
+ # ...for now -- might be a problem with hardlink restores that was
+ # causing noise wrt this test.
+ rm -rf src/hardlink*
+
+ # Pause here to keep the filesystem changes far enough away from
+ # the first index run that bup won't cap their index timestamps
+ # (see "bup help index" for more information). Without this
+ # sleep, the compare-trees test below "Bup should *not* pick up
+ # these metadata..." may fail.
+ sleep 1
+
+ set -x
+ rm -rf src.bup
+ mkdir src.bup
+ export BUP_DIR=$(pwd)/src.bup
+ WVPASS bup init
+ WVPASS bup index src
+ WVPASS bup save -t -n src src
+
+ force-delete src-restore-1
+ mkdir src-restore-1
+ WVPASS bup restore -C src-restore-1 "/src/latest$(pwd)/"
+ WVPASS test -d src-restore-1/src
+ WVPASS "$TOP/t/compare-trees" -c src/ src-restore-1/src/
+
+ echo "blarg" > src/volatile/1
+ cp -a src/volatile/1 src-restore-1/src/volatile/
+ WVPASS bup index src
+
+ # Bup should *not* pick up these metadata changes.
+ touch src/volatile/2
+
+ WVPASS bup save -t -n src src
+
+ force-delete src-restore-2
+ mkdir src-restore-2
+ WVPASS bup restore -C src-restore-2 "/src/latest$(pwd)/"
+ WVPASS test -d src-restore-2/src
+ WVPASS "$TOP/t/compare-trees" -c src-restore-1/src/ src-restore-2/src/
+
+ rm -rf src.bup
+ set +x
+)
+
+setup-hardlink-test()
+{
+ (
+ cd "$TOP/bupmeta.tmp"
+ rm -rf src src.bup
+ mkdir src src.bup
+ WVPASS bup init
+ )
+}
+
+hardlink-test-run-restore()
+{
+ force-delete src-restore
+ mkdir src-restore
+ WVPASS bup restore -C src-restore "/src/latest$(pwd)/"
+ WVPASS test -d src-restore/src
+}
+
+# Test hardlinks more carefully.
+WVSTART 'metadata save/restore (hardlinks)'
+(
+ set -e
+ set -x
+ export BUP_DIR="$TOP/bupmeta.tmp/src.bup"
+ force-delete "$TOP/bupmeta.tmp"
+ mkdir -p "$TOP/bupmeta.tmp"
+
+ cd "$TOP/bupmeta.tmp"
+
+ # Test trivial case - single hardlink.
+ setup-hardlink-test
+ (
+ cd "$TOP/bupmeta.tmp"/src
+ touch hardlink-target
+ ln hardlink-target hardlink-1
+ )
+ WVPASS bup index src
+ WVPASS bup save -t -n src src
+ hardlink-test-run-restore
+ WVPASS "$TOP/t/compare-trees" -c src/ src-restore/src/
+
+ # Test the case where the hardlink hasn't changed, but the tree
+ # needs to be saved again. i.e. the save-cmd.py "if hashvalid:"
+ # case.
+ (
+ cd "$TOP/bupmeta.tmp"/src
+ echo whatever > something-new
+ )
+ WVPASS bup index src
+ WVPASS bup save -t -n src src
+ hardlink-test-run-restore
+ WVPASS "$TOP/t/compare-trees" -c src/ src-restore/src/
+
+ # Test hardlink changes between index runs.
+ #
+ setup-hardlink-test
+ cd "$TOP/bupmeta.tmp"/src
+ touch hardlink-target-a
+ touch hardlink-target-b
+ ln hardlink-target-a hardlink-b-1
+ ln hardlink-target-a hardlink-a-1
+ cd ..
+ WVPASS bup index -vv src
+ rm src/hardlink-b-1
+ ln src/hardlink-target-b src/hardlink-b-1
+ WVPASS bup index -vv src
+ WVPASS bup save -t -n src src
+ hardlink-test-run-restore
+ echo ./src/hardlink-a-1 > hardlink-sets.expected
+ echo ./src/hardlink-target-a >> hardlink-sets.expected
+ echo >> hardlink-sets.expected
+ echo ./src/hardlink-b-1 >> hardlink-sets.expected
+ echo ./src/hardlink-target-b >> hardlink-sets.expected
+ (cd src-restore && hardlink-sets .) > hardlink-sets.restored
+ WVPASS diff -u hardlink-sets.expected hardlink-sets.restored
+
+ # Test hardlink changes between index and save -- hardlink set [a
+ # b c d] changes to [a b] [c d]. At least right now bup should
+ # notice and recreate the latter.
+ setup-hardlink-test
+ cd "$TOP/bupmeta.tmp"/src
+ touch a
+ ln a b
+ ln a c
+ ln a d
+ cd ..
+ WVPASS bup index -vv src
+ rm src/c src/d
+ touch src/c
+ ln src/c src/d
+ WVPASS bup save -t -n src src
+ hardlink-test-run-restore
+ echo ./src/a > hardlink-sets.expected
+ echo ./src/b >> hardlink-sets.expected
+ echo >> hardlink-sets.expected
+ echo ./src/c >> hardlink-sets.expected
+ echo ./src/d >> hardlink-sets.expected
+ (cd src-restore && hardlink-sets .) > hardlink-sets.restored
+ WVPASS diff -u hardlink-sets.expected hardlink-sets.restored
+
+ # Test that we don't link outside restore tree.
+ setup-hardlink-test
+ cd "$TOP/bupmeta.tmp"
+ mkdir src/a src/b
+ touch src/a/1
+ ln src/a/1 src/b/1
+ WVPASS bup index -vv src
+ WVPASS bup save -t -n src src
+ force-delete src-restore
+ mkdir src-restore
+ WVPASS bup restore -C src-restore "/src/latest$(pwd)/src/a/"
+ WVPASS test -e src-restore/1
+ echo -n > hardlink-sets.expected
+ (cd src-restore && hardlink-sets .) > hardlink-sets.restored
+ WVPASS diff -u hardlink-sets.expected hardlink-sets.restored
+
+ # Test that we do link within separate sub-trees.
+ setup-hardlink-test
+ cd "$TOP/bupmeta.tmp"
+ mkdir src/a src/b
+ touch src/a/1
+ ln src/a/1 src/b/1
+ WVPASS bup index -vv src/a src/b
+ WVPASS bup save -t -n src src/a src/b
+ hardlink-test-run-restore
+ echo ./src/a/1 > hardlink-sets.expected
+ echo ./src/b/1 >> hardlink-sets.expected
+ (cd src-restore && hardlink-sets .) > hardlink-sets.restored
+ WVPASS diff -u hardlink-sets.expected hardlink-sets.restored
+)
+
WVSTART 'meta --edit'
(
force-delete "$TOP/bupmeta.tmp"
mkdir "$TOP/bupmeta.tmp"
cd "$TOP/bupmeta.tmp"
touch src
+ chown 0:0 src # In case the parent dir is sgid, etc.
WVPASS bup meta -cf src.meta src
mkdir dest
# Linux attr, Linux xattr, etc.
if actually-root; then
(
+ set -e
+ # Some cleanup handled in universal-cleanup() above.
# These tests are only likely to work under Linux for now
# (patches welcome).
[[ $(uname) =~ Linux ]] || exit 0
- cleanup_at_exit()
- {
- cd "$TOP"
- umount "$TOP/bupmeta.tmp/testfs" || true
- }
-
- trap cleanup_at_exit EXIT
-
WVSTART 'meta - general (as root)'
setup-test-tree
cd "$TOP/bupmeta.tmp"
chown root:root testfs
chmod 0700 testfs
+ umount testfs-limited || true
+ dd if=/dev/zero of=testfs-limited.img bs=1M count=32
+ mkfs -t vfat testfs-limited.img
+ mkdir testfs-limited
+ mount -o loop,uid=root,gid=root,umask=0077 \
+ testfs-limited.img testfs-limited
+
#cp -a src testfs/src
cp -pPR src testfs/src
(cd testfs && test-src-create-extract)
chattr +acdeijstuADST testfs/src/foo
chattr +acdeijstuADST testfs/src/bar
(cd testfs && test-src-create-extract)
+ # Test restoration to a limited filesystem (vfat).
+ (
+ WVPASS bup meta --create --recurse --file testfs/src.meta \
+ testfs/src
+ force-delete testfs-limited/src-restore
+ mkdir testfs-limited/src-restore
+ cd testfs-limited/src-restore
+ WVFAIL bup meta --extract --file ../../testfs/src.meta 2>&1 \
+ | WVPASS grep -e '^Linux chattr:' \
+ | WVPASS python -c \
+ 'import sys; exit(not len(sys.stdin.readlines()) == 2)'
+ )
)
WVSTART 'meta - Linux xattr (as root)'
attr -s foo -V bar testfs/src/foo
attr -s foo -V bar testfs/src/bar
(cd testfs && test-src-create-extract)
+
+ # Test restoration to a limited filesystem (vfat).
+ (
+ WVPASS bup meta --create --recurse --file testfs/src.meta \
+ testfs/src
+ force-delete testfs-limited/src-restore
+ mkdir testfs-limited/src-restore
+ cd testfs-limited/src-restore
+ WVFAIL bup meta --extract --file ../../testfs/src.meta 2>&1 \
+ | WVPASS grep -e '^xattr\.set:' \
+ | WVPASS python -c \
+ 'import sys; exit(not len(sys.stdin.readlines()) == 2)'
+ )
)
WVSTART 'meta - POSIX.1e ACLs (as root)'
setfacl -m u:root:r testfs/src/foo
setfacl -m u:root:r testfs/src/bar
(cd testfs && test-src-create-extract)
+
+ # Test restoration to a limited filesystem (vfat).
+ (
+ WVPASS bup meta --create --recurse --file testfs/src.meta \
+ testfs/src
+ force-delete testfs-limited/src-restore
+ mkdir testfs-limited/src-restore
+ cd testfs-limited/src-restore
+ WVFAIL bup meta --extract --file ../../testfs/src.meta 2>&1 \
+ | WVPASS grep -e '^POSIX1e ACL applyto:' \
+ | WVPASS python -c \
+ 'import sys; exit(not len(sys.stdin.readlines()) == 2)'
+ )
)
)
fi
projects / bup.git / blobdiff