| | 1 | #!/usr/bin/env bash |
| | 2 | # |
| | 3 | # SPDX-License-Identifier: GPL-2.0-only |
| | 4 | # |
| | 5 | # SPDX-FileCopyrightText: 2022 EfficiOS Inc. |
| | 6 | # |
| | 7 | |
| | 8 | # This file is meant to be sourced at the start of shell script-based tests. |
| | 9 | |
| | 10 | |
| | 11 | # Error out when encountering an undefined variable |
| | 12 | set -u |
| | 13 | |
| | 14 | # If "readlink -f" is available, get a resolved absolute path to the |
| | 15 | # tests source dir, otherwise make do with a relative path. |
| | 16 | scriptdir="$(dirname "${BASH_SOURCE[0]}")" |
| | 17 | if readlink -f "." >/dev/null 2>&1; then |
| | 18 | testsdir=$(readlink -f "$scriptdir/..") |
| | 19 | else |
| | 20 | testsdir="$scriptdir/.." |
| | 21 | fi |
| | 22 | |
| | 23 | # The OS on which we are running. See [1] for possible values of 'uname -s'. |
| | 24 | # We do a bit of translation to ease our life down the road for comparison. |
| | 25 | # Export it so that called executables can use it. |
| | 26 | # [1] https://en.wikipedia.org/wiki/Uname#Examples |
| | 27 | if [ "x${URCU_TESTS_OS_TYPE:-}" = "x" ]; then |
| | 28 | URCU_TESTS_OS_TYPE="$(uname -s)" |
| | 29 | case "$URCU_TESTS_OS_TYPE" in |
| | 30 | MINGW*) |
| | 31 | URCU_TESTS_OS_TYPE="mingw" |
| | 32 | ;; |
| | 33 | Darwin) |
| | 34 | URCU_TESTS_OS_TYPE="darwin" |
| | 35 | ;; |
| | 36 | Linux) |
| | 37 | URCU_TESTS_OS_TYPE="linux" |
| | 38 | ;; |
| | 39 | CYGWIN*) |
| | 40 | URCU_TESTS_OS_TYPE="cygwin" |
| | 41 | ;; |
| | 42 | *) |
| | 43 | URCU_TESTS_OS_TYPE="unsupported" |
| | 44 | ;; |
| | 45 | esac |
| | 46 | fi |
| | 47 | export URCU_TESTS_OS_TYPE |
| | 48 | |
| | 49 | # Allow overriding the source and build directories |
| | 50 | if [ "x${URCU_TESTS_SRCDIR:-}" = "x" ]; then |
| | 51 | URCU_TESTS_SRCDIR="$testsdir" |
| | 52 | fi |
| | 53 | export URCU_TESTS_SRCDIR |
| | 54 | |
| | 55 | if [ "x${URCU_TESTS_BUILDDIR:-}" = "x" ]; then |
| | 56 | URCU_TESTS_BUILDDIR="$testsdir" |
| | 57 | fi |
| | 58 | export URCU_TESTS_BUILDDIR |
| | 59 | |
| | 60 | # Source the generated environment file if it's present. |
| | 61 | if [ -f "${URCU_TESTS_BUILDDIR}/utils/env.sh" ]; then |
| | 62 | # shellcheck source=./env.sh |
| | 63 | . "${URCU_TESTS_BUILDDIR}/utils/env.sh" |
| | 64 | fi |
| | 65 | |
| | 66 | |
| | 67 | ### External Tools ### |
| | 68 | |
| | 69 | if [ "x${URCU_TESTS_NPROC_BIN:-}" = "x" ]; then |
| | 70 | URCU_TESTS_NPROC_BIN="nproc" |
| | 71 | fi |
| | 72 | export URCU_TESTS_NPROC_BIN |
| | 73 | |
| | 74 | if [ "x${URCU_TESTS_GETCONF_BIN:-}" = "x" ]; then |
| | 75 | URCU_TESTS_GETCONF_BIN="getconf" |
| | 76 | fi |
| | 77 | export URCU_TESTS_GETCONF_BIN |
| | 78 | |
| | 79 | |
| | 80 | # By default, it will not source tap.sh. If you to tap output directly from |
| | 81 | # the test script, define the 'SH_TAP' variable to '1' before sourcing this |
| | 82 | # script. |
| | 83 | if [ "x${SH_TAP:-}" = x1 ]; then |
| | 84 | # shellcheck source=./tap.sh |
| | 85 | . "${URCU_TESTS_SRCDIR}/utils/tap.sh" |
| | 86 | fi |
| | 87 | |
| | 88 | |
| | 89 | ### Functions ### |
| | 90 | |
| | 91 | # Print the number of online CPUs, fallback to '1' if no tools to count CPUs |
| | 92 | # are found in the environment. |
| | 93 | urcu_nproc() { |
| | 94 | if command -v "${URCU_TESTS_NPROC_BIN}" >/dev/null 2>&1; then |
| | 95 | "${URCU_TESTS_NPROC_BIN}" |
| | 96 | elif command -v "${URCU_TESTS_GETCONF_BIN}" >/dev/null 2>&1; then |
| | 97 | "${URCU_TESTS_GETCONF_BIN}" _NPROCESSORS_ONLN |
| | 98 | else |
| | 99 | # Fallback to '1' |
| | 100 | echo 1 |
| | 101 | fi |
| | 102 | } |
| | 103 | |
| | 104 | # Shell implementation of the 'seq' command. |
| | 105 | urcu_xseq() { |
| | 106 | local i=$1 |
| | 107 | |
| | 108 | while [[ "$i" -le "$2" ]]; do |
| | 109 | echo "$i" |
| | 110 | i=$(( i + 1 )) |
| | 111 | done |
| | 112 | } |
projects / urcu.git / blame_incremental