test-restore-map-owner: accommodate python 3 and test there

[bup.git] / t / lib.sh

diff --git a/t/lib.sh b/t/lib.sh
index e7e2ce8d71458d31e2771e5c7282ed0695d23d73..4d67341e5330c7e725ebb50915a7128a5e54c173 100644 (file)
--- a/t/lib.sh
+++ b/t/lib.sh
@@ -1,30 +1,58 @@
-# Assumes shell is Bash.
+# Assumes shell is Bash, and pipefail is set.
+
+bup_t_lib_script_home=$(cd "$(dirname $0)" && pwd) || exit $?
+
+bup-python()
+{
+    "$bup_t_lib_script_home/../cmd/bup-python" "$@"
+}
 
 force-delete()
 {
-    # Try *hard* to delete $@.  Among other things, some systems have
-    # r-xr-xr-x for root and other system dirs.
-    rm -rf "$@" # Maybe we'll get lucky.
-    for f in "$@"; do
-        test -e "$@" || continue
-        chmod -R u+w "$@"
-        if [[ $(uname) =~ Linux ]]; then
-            chattr -fR = "$@"
-            setfacl -Rb "$@"
-        fi
-        rm -r "$@"
-        if test -e "$@"; then
-            return 1
-        fi
-    done
+    "$bup_t_lib_script_home/force-delete" "$@"
 }
 
-realpath()
-(
-    set -e;
-    test "$#" -eq 1
-    script_home=$(cd "$(dirname $0)" && pwd)
+resolve-parent()
+{
+    test "$#" -eq 1 || return $?
     echo "$1" | \
-        PYTHONPATH="${script_home}/../lib" python -c \
-        "import sys, bup.helpers; print bup.helpers.realpath(sys.stdin.readline())"
+        PYTHONPATH="$bup_t_lib_script_home/../lib" bup-python -c \
+        "import sys, bup.helpers; print(bup.helpers.resolve_parent(sys.stdin.readline()))" \
+        || return $?
+}
+
+current-filesystem()
+{
+    local kernel="$(uname -s)" || return $?
+    case "$kernel" in
+        NetBSD)
+            df -G . | sed -En 's/.* ([^ ]*) fstype.*/\1/p'
+            ;;
+        SunOS)
+            df -g . | sed -En 's/.* ([^ ]*) fstype.*/\1/p'
+            ;;
+        *)
+            df -T . | awk 'END{print $2}'
+    esac
+}
+
+path-filesystems()
+(
+    # Return filesystem for each dir from $1 to /.
+    # Perhaps for /foo/bar, "ext4\next4\nbtrfs\n".
+    test "$#" -eq 1 || exit $?
+    cd "$1" || exit $?
+    current-filesystem || exit $?
+    dir="$(pwd)" || exit $?
+    while test "$dir" != /; do
+        cd .. || exit $?
+        dir="$(pwd)" || exit $?
+        current-filesystem || exit $?
+    done
+    exit 0
 )
+
+escape-erx()
+{
+    sed 's/[][\.|$(){?+*^]/\\&/g' <<< "$*"
+}