Add public version macros.

Side note: tools/v8-info.sh seems to have been broken ever
since the move to git.  At least it's not more broken now.

BUG=v8:3075
LOG=y

TEST=./script_test.py

Review URL: https://codereview.chromium.org/959713003

Cr-Commit-Position: refs/heads/master@{#26873}
This commit is contained in:
machenbach 2015-02-26 00:59:17 -08:00 committed by Commit bot
parent bb13e7f746
commit 9dac60ad2d
9 changed files with 84 additions and 316 deletions

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@ -200,8 +200,8 @@ def _CommonChecks(input_api, output_api):
def _SkipTreeCheck(input_api, output_api):
"""Check the env var whether we want to skip tree check.
Only skip if src/version.cc has been updated."""
src_version = 'src/version.cc'
Only skip if include/v8-version.h has been updated."""
src_version = 'include/v8-version.h'
FilterFile = lambda file: file.LocalPath() == src_version
if not input_api.AffectedSourceFiles(
lambda file: file.LocalPath() == src_version):

20
include/v8-version.h Normal file
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@ -0,0 +1,20 @@
// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_INCLUDE_VERSION_H_ // V8_VERSION_H_ conflicts with src/version.h
#define V8_INCLUDE_VERSION_H_
// These macros define the version number for the current version.
// NOTE these macros are used by some of the tool scripts and the build
// system so their names cannot be changed without changing the scripts.
#define V8_MAJOR_VERSION 4
#define V8_MINOR_VERSION 3
#define V8_BUILD_NUMBER 0
#define V8_PATCH_LEVEL 0
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define V8_IS_CANDIDATE_VERSION 1
#endif // V8_INCLUDE_VERSION_H_

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@ -19,6 +19,7 @@
#include <stdint.h>
#include <stdio.h>
#include "v8-version.h"
#include "v8config.h"
// We reserve the V8_* prefix for macros defined in V8 public API and

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@ -2,27 +2,16 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "include/v8-version.h"
#include "src/v8.h"
#include "src/version.h"
// These macros define the version number for the current version.
// NOTE these macros are used by some of the tool scripts and the build
// system so their names cannot be changed without changing the scripts.
#define MAJOR_VERSION 4
#define MINOR_VERSION 3
#define BUILD_NUMBER 0
#define PATCH_LEVEL 0
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 1
// Define SONAME to have the build system put a specific SONAME into the
// shared library instead the generic SONAME generated from the V8 version
// number. This define is mainly used by the build system script.
#define SONAME ""
#if IS_CANDIDATE_VERSION
#if V8_IS_CANDIDATE_VERSION
#define CANDIDATE_STRING " (candidate)"
#else
#define CANDIDATE_STRING ""
@ -31,23 +20,24 @@
#define SX(x) #x
#define S(x) SX(x)
#if PATCH_LEVEL > 0
#define VERSION_STRING \
S(MAJOR_VERSION) "." S(MINOR_VERSION) "." S(BUILD_NUMBER) "." S(PATCH_LEVEL) \
CANDIDATE_STRING
#if V8_PATCH_LEVEL > 0
#define VERSION_STRING \
S(V8_MAJOR_VERSION) "." S(V8_MINOR_VERSION) "." S(V8_BUILD_NUMBER) "." S( \
V8_PATCH_LEVEL) CANDIDATE_STRING
#else
#define VERSION_STRING \
S(MAJOR_VERSION) "." S(MINOR_VERSION) "." S(BUILD_NUMBER) CANDIDATE_STRING
#define VERSION_STRING \
S(V8_MAJOR_VERSION) "." S(V8_MINOR_VERSION) "." S(V8_BUILD_NUMBER) \
CANDIDATE_STRING
#endif
namespace v8 {
namespace internal {
int Version::major_ = MAJOR_VERSION;
int Version::minor_ = MINOR_VERSION;
int Version::build_ = BUILD_NUMBER;
int Version::patch_ = PATCH_LEVEL;
bool Version::candidate_ = (IS_CANDIDATE_VERSION != 0);
int Version::major_ = V8_MAJOR_VERSION;
int Version::minor_ = V8_MINOR_VERSION;
int Version::build_ = V8_BUILD_NUMBER;
int Version::patch_ = V8_PATCH_LEVEL;
bool Version::candidate_ = (V8_IS_CANDIDATE_VERSION != 0);
const char* Version::soname_ = SONAME;
const char* Version::version_string_ = VERSION_STRING;

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@ -48,7 +48,7 @@ from git_recipes import GitFailedException
CHANGELOG_FILE = "ChangeLog"
PUSH_MSG_GIT_RE = re.compile(r".* \(based on (?P<git_rev>[a-fA-F0-9]+)\)$")
PUSH_MSG_NEW_RE = re.compile(r"^Version \d+\.\d+\.\d+$")
VERSION_FILE = os.path.join("src", "version.cc")
VERSION_FILE = os.path.join("include", "v8-version.h")
VERSION_RE = re.compile(r"^\d+\.\d+\.\d+(?:\.\d+)?$")
# V8 base directory.
@ -569,10 +569,10 @@ class Step(GitRecipesMixin):
value = match.group(1)
self["%s%s" % (prefix, var_name)] = value
for line in LinesInFile(os.path.join(self.default_cwd, VERSION_FILE)):
for (var_name, def_name) in [("major", "MAJOR_VERSION"),
("minor", "MINOR_VERSION"),
("build", "BUILD_NUMBER"),
("patch", "PATCH_LEVEL")]:
for (var_name, def_name) in [("major", "V8_MAJOR_VERSION"),
("minor", "V8_MINOR_VERSION"),
("build", "V8_BUILD_NUMBER"),
("patch", "V8_PATCH_LEVEL")]:
ReadAndPersist(var_name, def_name)
def WaitForLGTM(self):
@ -701,16 +701,16 @@ class Step(GitRecipesMixin):
def SetVersion(self, version_file, prefix):
output = ""
for line in FileToText(version_file).splitlines():
if line.startswith("#define MAJOR_VERSION"):
if line.startswith("#define V8_MAJOR_VERSION"):
line = re.sub("\d+$", self[prefix + "major"], line)
elif line.startswith("#define MINOR_VERSION"):
elif line.startswith("#define V8_MINOR_VERSION"):
line = re.sub("\d+$", self[prefix + "minor"], line)
elif line.startswith("#define BUILD_NUMBER"):
elif line.startswith("#define V8_BUILD_NUMBER"):
line = re.sub("\d+$", self[prefix + "build"], line)
elif line.startswith("#define PATCH_LEVEL"):
elif line.startswith("#define V8_PATCH_LEVEL"):
line = re.sub("\d+$", self[prefix + "patch"], line)
elif (self[prefix + "candidate"] and
line.startswith("#define IS_CANDIDATE_VERSION")):
line.startswith("#define V8_IS_CANDIDATE_VERSION")):
line = re.sub("\d+$", self[prefix + "candidate"], line)
output += "%s\n" % line
TextToFile(output, version_file)

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@ -169,12 +169,12 @@ class IncrementVersion(Step):
if self._options.revert_master:
return
new_patch = str(int(self["patch"]) + 1)
if self.Confirm("Automatically increment PATCH_LEVEL? (Saying 'n' will "
if self.Confirm("Automatically increment V8_PATCH_LEVEL? (Saying 'n' will "
"fire up your EDITOR on %s so you can make arbitrary "
"changes. When you're done, save the file and exit your "
"EDITOR.)" % VERSION_FILE):
text = FileToText(os.path.join(self.default_cwd, VERSION_FILE))
text = MSub(r"(?<=#define PATCH_LEVEL)(?P<space>\s+)\d*$",
text = MSub(r"(?<=#define V8_PATCH_LEVEL)(?P<space>\s+)\d*$",
r"\g<space>%s" % new_patch,
text)
TextToFile(text, os.path.join(self.default_cwd, VERSION_FILE))

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@ -361,12 +361,12 @@ class ScriptTest(unittest.TestCase):
with open(version_file, "w") as f:
f.write(" // Some line...\n")
f.write("\n")
f.write("#define MAJOR_VERSION %s\n" % major)
f.write("#define MINOR_VERSION %s\n" % minor)
f.write("#define BUILD_NUMBER %s\n" % build)
f.write("#define PATCH_LEVEL %s\n" % patch)
f.write("#define V8_MAJOR_VERSION %s\n" % major)
f.write("#define V8_MINOR_VERSION %s\n" % minor)
f.write("#define V8_BUILD_NUMBER %s\n" % build)
f.write("#define V8_PATCH_LEVEL %s\n" % patch)
f.write(" // Some line...\n")
f.write("#define IS_CANDIDATE_VERSION 0\n")
f.write("#define V8_IS_CANDIDATE_VERSION 0\n")
def MakeStep(self):
"""Convenience wrapper."""
@ -528,10 +528,10 @@ class ScriptTest(unittest.TestCase):
" too much\n"
" trailing", cl)
self.assertEqual("//\n#define BUILD_NUMBER 3\n",
MSub(r"(?<=#define BUILD_NUMBER)(?P<space>\s+)\d*$",
self.assertEqual("//\n#define V8_BUILD_NUMBER 3\n",
MSub(r"(?<=#define V8_BUILD_NUMBER)(?P<space>\s+)\d*$",
r"\g<space>3",
"//\n#define BUILD_NUMBER 321\n"))
"//\n#define V8_BUILD_NUMBER 321\n"))
def testPreparePushRevision(self):
# Tests the default push hash used when the --revision option is not set.
@ -629,7 +629,7 @@ test_tag
self.Expect([
Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
Cmd("git tag", self.TAGS),
Cmd("git checkout -f origin/master -- src/version.cc",
Cmd("git checkout -f origin/master -- include/v8-version.h",
"", cb=lambda: self.WriteFakeVersionFile(3, 22, 6)),
])
@ -750,11 +750,12 @@ Performance and stability improvements on all platforms."""
self.assertEquals(commit_msg, commit)
version = FileToText(
os.path.join(TEST_CONFIG["DEFAULT_CWD"], VERSION_FILE))
self.assertTrue(re.search(r"#define MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define BUILD_NUMBER\s+5", version))
self.assertFalse(re.search(r"#define BUILD_NUMBER\s+6", version))
self.assertTrue(re.search(r"#define PATCH_LEVEL\s+0", version))
self.assertTrue(re.search(r"#define IS_CANDIDATE_VERSION\s+0", version))
self.assertTrue(re.search(r"#define V8_MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define V8_BUILD_NUMBER\s+5", version))
self.assertFalse(re.search(r"#define V8_BUILD_NUMBER\s+6", version))
self.assertTrue(re.search(r"#define V8_PATCH_LEVEL\s+0", version))
self.assertTrue(
re.search(r"#define V8_IS_CANDIDATE_VERSION\s+0", version))
# Check that the change log on the candidates branch got correctly
# modified.
@ -787,7 +788,7 @@ Performance and stability improvements on all platforms."""
TEST_CONFIG["BRANCHNAME"]), ""),
Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
Cmd("git tag", self.TAGS),
Cmd("git checkout -f origin/master -- src/version.cc",
Cmd("git checkout -f origin/master -- include/v8-version.h",
"", cb=self.WriteFakeVersionFile),
Cmd("git log -1 --format=%H 3.22.4", "release_hash\n"),
Cmd("git log -1 --format=%s release_hash",
@ -811,7 +812,7 @@ Performance and stability improvements on all platforms."""
Cmd("git apply --index --reject \"%s\"" % TEST_CONFIG["PATCH_FILE"], ""),
Cmd("git checkout -f origin/candidates -- ChangeLog", "",
cb=ResetChangeLog),
Cmd("git checkout -f origin/candidates -- src/version.cc", "",
Cmd("git checkout -f origin/candidates -- include/v8-version.h", "",
cb=self.WriteFakeVersionFile),
Cmd("git commit -am \"%s\"" % commit_msg_squashed, ""),
]
@ -891,11 +892,12 @@ Performance and stability improvements on all platforms."""
self.assertEquals(commit_msg, commit)
version = FileToText(
os.path.join(TEST_CONFIG["DEFAULT_CWD"], VERSION_FILE))
self.assertTrue(re.search(r"#define MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define BUILD_NUMBER\s+5", version))
self.assertFalse(re.search(r"#define BUILD_NUMBER\s+6", version))
self.assertTrue(re.search(r"#define PATCH_LEVEL\s+0", version))
self.assertTrue(re.search(r"#define IS_CANDIDATE_VERSION\s+0", version))
self.assertTrue(re.search(r"#define V8_MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define V8_BUILD_NUMBER\s+5", version))
self.assertFalse(re.search(r"#define V8_BUILD_NUMBER\s+6", version))
self.assertTrue(re.search(r"#define V8_PATCH_LEVEL\s+0", version))
self.assertTrue(
re.search(r"#define V8_IS_CANDIDATE_VERSION\s+0", version))
# Check that the change log on the candidates branch got correctly
# modified.
@ -926,7 +928,7 @@ Performance and stability improvements on all platforms."""
"not_right wrong\npending_hash tree_hash\nsome other\n"),
Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
Cmd("git tag", self.TAGS),
Cmd("git checkout -f origin/master -- src/version.cc",
Cmd("git checkout -f origin/master -- include/v8-version.h",
"", cb=self.WriteFakeVersionFile),
Cmd("git log -1 --format=%H 3.22.4", "release_hash\n"),
Cmd("git log -1 --format=%s release_hash", "Version 3.22.4\n"),
@ -938,7 +940,7 @@ Performance and stability improvements on all platforms."""
Cmd("git reset --hard origin/master", ""),
Cmd("git checkout -b work-branch pending_hash", ""),
Cmd("git checkout -f 3.22.4 -- ChangeLog", "", cb=ResetChangeLog),
Cmd("git checkout -f 3.22.4 -- src/version.cc", "",
Cmd("git checkout -f 3.22.4 -- include/v8-version.h", "",
cb=self.WriteFakeVersionFile),
Cmd("git commit -aF \"%s\"" % TEST_CONFIG["COMMITMSG_FILE"], "",
cb=CheckVersionCommit),
@ -1190,10 +1192,11 @@ LOG=N
self.assertEquals(msg, commit)
version = FileToText(
os.path.join(TEST_CONFIG["DEFAULT_CWD"], VERSION_FILE))
self.assertTrue(re.search(r"#define MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define BUILD_NUMBER\s+5", version))
self.assertTrue(re.search(r"#define PATCH_LEVEL\s+1", version))
self.assertTrue(re.search(r"#define IS_CANDIDATE_VERSION\s+0", version))
self.assertTrue(re.search(r"#define V8_MINOR_VERSION\s+22", version))
self.assertTrue(re.search(r"#define V8_BUILD_NUMBER\s+5", version))
self.assertTrue(re.search(r"#define V8_PATCH_LEVEL\s+1", version))
self.assertTrue(
re.search(r"#define V8_IS_CANDIDATE_VERSION\s+0", version))
self.Expect([
Cmd("git status -s -uno", ""),

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@ -1,246 +0,0 @@
#!/bin/bash
# Copyright 2013 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Tests the push-to-trunk.sh script. Needs to be run in V8 base dir:
# ./tools/test-push-to-trunk.sh
# TODO(machenbach): Check automatically if expectations match.
# TODO(machenbach): Mock out version number retrieval.
# TODO(machenbach): Allow multiple different test cases.
# TODO(machenbach): Allow multi line mock output.
# TODO(machenbach): Represent test expectations/mock output without an array
# index increment.
########## Stdin for push-to-trunk.sh
# Confirm push to trunk commit ID
INPUT[0]="Y"
# Open editor
INPUT[1]=""
# Confirm increment version number
INPUT[2]="Y"
# Reviewer for V8 CL
INPUT[3]="reviewer@chromium.org"
# Enter LGTM for V8 CL
INPUT[4]="LGTM"
# Confirm checkout sanity
INPUT[5]="Y"
# Manually type in trunk revision
INPUT[6]="12345"
# Reviewer for Chromium CL
INPUT[7]="reviewer@chromium.org"
########## Expected commands and mock output
EXP[0]="git status -s -uno"
OUT[0]=""
EXP[1]="git status -s -b -uno"
OUT[1]="## some_branch"
EXP[2]="git svn fetch"
OUT[2]=""
EXP[3]="git branch"
OUT[3]="not the temp branch"
EXP[4]="git checkout -b prepare-push-temporary-branch-created-by-script"
OUT[4]=""
EXP[5]="git branch"
OUT[5]="not the branch"
EXP[6]="git branch"
OUT[6]="not the trunk branch"
EXP[7]="git checkout -b prepare-push svn/bleeding_edge"
OUT[7]=""
EXP[8]="git log -1 --format=%H ChangeLog"
OUT[8]="hash1"
EXP[9]="git log -1 hash1"
OUT[9]=""
EXP[10]="git log hash1..HEAD --format=%H"
OUT[10]="hash2"
EXP[11]="git log -1 hash2 --format=\"%w(80,8,8)%s\""
OUT[11]="Log line..."
EXP[12]="git log -1 hash2 --format=\"%B\""
OUT[12]="BUG=6789"
EXP[13]="git log -1 hash2 --format=\"%w(80,8,8)(%an)\""
OUT[13]=" (author@chromium.org)"
EXP[14]="git commit -a -m \"Prepare push to trunk. Now working on version 3.4.5.\""
OUT[14]=""
EXP[15]="git cl upload -r reviewer@chromium.org --send-mail"
OUT[15]=""
EXP[16]="git cl dcommit"
OUT[16]=""
EXP[17]="git svn fetch"
OUT[17]=""
EXP[18]="git checkout svn/bleeding_edge"
OUT[18]=""
EXP[19]="git log -1 --format=%H --grep=Prepare push to trunk. Now working on version 3.4.5."
OUT[19]="hash3"
EXP[20]="git diff svn/trunk"
OUT[20]="patch1"
EXP[21]="git checkout -b trunk-push svn/trunk"
OUT[21]=""
EXP[22]="git apply --index --reject /tmp/v8-push-to-trunk-tempfile-patch"
OUT[22]=""
EXP[23]="git add src/version.cc"
OUT[23]=""
EXP[24]="git commit -F /tmp/v8-push-to-trunk-tempfile-commitmsg"
OUT[24]=""
EXP[25]="git svn dcommit"
OUT[25]="r1234"
EXP[26]="git svn tag 3.4.5 -m \"Tagging version 3.4.5\""
OUT[26]=""
EXP[27]="git status -s -uno"
OUT[27]=""
EXP[28]="git checkout master"
OUT[28]=""
EXP[29]="git pull"
OUT[29]=""
EXP[30]="git checkout -b v8-roll-12345"
OUT[30]=""
EXP[31]="git commit -am Update V8 to version 3.4.5."
OUT[31]=""
EXP[32]="git cl upload --send-mail"
OUT[32]=""
EXP[33]="git checkout -f some_branch"
OUT[33]=""
EXP[34]="git branch -D prepare-push-temporary-branch-created-by-script"
OUT[34]=""
EXP[35]="git branch -D prepare-push"
OUT[35]=""
EXP[36]="git branch -D trunk-push"
OUT[36]=""
########## Global temp files for test input/output
export TEST_OUTPUT=$(mktemp)
export INDEX=$(mktemp)
export MOCK_OUTPUT=$(mktemp)
export EXPECTED_COMMANDS=$(mktemp)
########## Command index
inc_index() {
local I="$(command cat $INDEX)"
let "I+=1"
echo "$I" > $INDEX
echo $I
}
echo "-1" > $INDEX
export -f inc_index
########## Mock output accessor
get_mock_output() {
local I=$1
let "I+=1"
command sed "${I}q;d" $MOCK_OUTPUT
}
export -f get_mock_output
for E in "${OUT[@]}"; do
echo $E
done > $MOCK_OUTPUT
########## Expected commands accessor
get_expected_command() {
local I=$1
let "I+=1"
command sed "${I}q;d" $EXPECTED_COMMANDS
}
export -f get_expected_command
for E in "${EXP[@]}"; do
echo $E
done > $EXPECTED_COMMANDS
########## Mock commands
git() {
# All calls to git are mocked out. Expected calls and mock output are stored
# in the EXP/OUT arrays above.
local I=$(inc_index)
local OUT=$(get_mock_output $I)
local EXP=$(get_expected_command $I)
echo "#############################" >> $TEST_OUTPUT
echo "Com. Index: $I" >> $TEST_OUTPUT
echo "Expected: ${EXP}" >> $TEST_OUTPUT
echo "Actual: git $@" >> $TEST_OUTPUT
echo "Mock Output: ${OUT}" >> $TEST_OUTPUT
echo "${OUT}"
}
mv() {
echo "#############################" >> $TEST_OUTPUT
echo "mv $@" >> $TEST_OUTPUT
}
sed() {
# Only calls to sed * -i * are mocked out.
echo "#############################" >> $TEST_OUTPUT
local arr=$@
if [[ "${arr[@]}" =~ "-i" || "${arr[${#arr[@]}-1]}" == "-i" ]]; then
echo "sed $@" >> $TEST_OUTPUT
else
echo "sed $@" >> $TEST_OUTPUT
command sed "$@"
fi
}
editor() {
echo "#############################" >> $TEST_OUTPUT
echo "editor $@" >> $TEST_OUTPUT
}
cd() {
echo "#############################" >> $TEST_OUTPUT
echo "cd $@" >> $TEST_OUTPUT
}
export -f git
export -f mv
export -f sed
export -f cd
export -f editor
export EDITOR=editor
########## Invoke script with test stdin
for i in "${INPUT[@]}"; do
echo $i
done | tools/push-to-trunk.sh -c "path/to/chromium"
echo "Collected output:"
command cat $TEST_OUTPUT
########## Clean up
rm -rf $TEST_OUTPUT
rm -rf $INDEX
rm -rf $MOCK_OUTPUT
rm -rf $EXPECTED_COMMANDS

View File

@ -30,11 +30,11 @@
########## Global variable definitions
BASE_URL="https://code.google.com/p/v8/source/list"
VERSION="src/version.cc"
MAJOR="MAJOR_VERSION"
MINOR="MINOR_VERSION"
BUILD="BUILD_NUMBER"
PATCH="PATCH_LEVEL"
VERSION="include/v8-version.h"
MAJOR="V8_MAJOR_VERSION"
MINOR="V8_MINOR_VERSION"
BUILD="V8_BUILD_NUMBER"
PATCH="V8_PATCH_LEVEL"
V8="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"