chore: import upstream snapshot with attribution

testing/bats/setup/common.bash

@@ -0,0 +1,72 @@
+load setup/windows-compat
+load setup/query-server-common
+
+if [ -z "$BATS_TMPDIR" ]; then
+    export BATS_TMPDIR=$HOME/batstmp/
+    mkdir $BATS_TMPDIR
+fi
+
+nativebatsdir() { echo `nativepath $BATS_TEST_DIRNAME/$1`; }
+batshelper() { echo `nativebatsdir helper/$1`; }
+
+setup_common() {
+    psql --version
+
+    export PATH=$PATH:~/go/bin
+    cd $BATS_TMPDIR
+
+    # remove directory if exists
+    # reruns recycle pids
+    rm -rf "dolt-repo-$$"
+
+    # Append the directory name with the pid of the calling process so
+    # multiple tests can be run in parallel on the same machine
+    mkdir "dolt-repo-$$"
+    cd "dolt-repo-$$"
+    nativevar DOLTGRES_DATA_DIR "$(pwd)" /p
+
+    if [ -z "$DOLT_TEST_RETRIES" ]; then
+        export BATS_TEST_RETRIES="$DOLT_TEST_RETRIES"
+    fi
+}
+
+teardown_common() {
+    # rm -rf can fail with a "directory not empty" error in some cases. This seems to be a misleading
+    # error message; the real error is that a file is still in use. Instead of waiting longer for
+    # any processes to finish, we just ignore any error removing temp files and use 'true' as the last
+    # command in this function to ensure that teardown_common doesn't fail a test just because we
+    # couldn't delete any temporary test files.
+    stop_sql_server
+    rm -rf "$BATS_TMPDIR/dolt-repo-$$"
+    true
+}
+
+query_server() {
+    nativevar PGPASSWORD "password" /w
+    psql -U "${SQL_USER:-postgres}" -h localhost -p $PORT "$@" postgres
+}
+
+query_server_for_db() {
+    nativevar PGPASSWORD "password" /w
+    local db_name=${1:-postgres}
+    shift
+    psql -U "${SQL_USER:-postgres}" -h localhost -p $PORT "$@" $db_name
+}
+
+log_status_eq() {
+    if ! [ "$status" -eq $1 ]; then
+        echo "status: expected $1, received $status"
+        printf "output:\n$output"
+        exit 1
+    fi
+}
+
+log_output_has() {
+    if ! [[ "$output" =~ $1 ]]; then
+        echo "output did not have $1"
+        printf "output:\n$output"
+        exit 1
+    fi
+}
+
+nativevar DOLT_ROOT_PATH $BATS_TMPDIR/config-$$ /p