63 lines
1.5 KiB
Bash
63 lines
1.5 KiB
Bash
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#!/bin/sh
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##
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## Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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##
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## Use of this source code is governed by a BSD-style license
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## that can be found in the LICENSE file in the root of the source
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## tree. An additional intellectual property rights grant can be found
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## in the file PATENTS. All contributing project authors may
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## be found in the AUTHORS file in the root of the source tree.
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##
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set -e
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devnull='> /dev/null 2>&1'
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readonly ORIG_PWD="$(pwd)"
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elog() {
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echo "${0##*/} failed because: $@" 1>&2
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}
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vlog() {
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if [ "${VERBOSE}" = "yes" ]; then
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echo "$@"
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fi
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}
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# Terminates script when name of current directory does not match $1.
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check_dir() {
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current_dir="$(pwd)"
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required_dir="$1"
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if [ "${current_dir##*/}" != "${required_dir}" ]; then
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elog "This script must be run from the ${required_dir} directory."
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exit 1
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fi
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}
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# Terminates the script when $1 is not in $PATH. Any arguments required for
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# the tool being tested to return a successful exit code can be passed as
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# additional arguments.
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check_tool() {
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tool="$1"
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shift
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tool_args="$@"
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if ! eval "${tool}" ${tool_args} > /dev/null 2>&1; then
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elog "${tool} must be in your path."
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exit 1
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fi
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}
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# Echoes git describe output for the directory specified by $1 to stdout.
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git_describe() {
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git_dir="$1"
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check_git
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echo $(git -C "${git_dir}" describe)
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}
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# Echoes current git revision for the directory specifed by $1 to stdout.
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git_revision() {
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git_dir="$1"
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check_git
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echo $(git -C "${git_dir}" rev-parse HEAD)
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}
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