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Utils: Make more unix find code re-usable

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Change-Id: I8fe95158ed77c8f9fb8c86a8e813b5c5de425b8a
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
This commit is contained in:
hjk
2022-10-05 17:50:40 +02:00
parent a234443bee
commit 714e6f5c8f
3 changed files with 66 additions and 50 deletions
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47
src/plugins/docker/dockerdevice.cpp
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@@ -143,16 +143,12 @@ public:
QString repoAndTag() const { return m_data.repoAndTag(); }
QString dockerImageId() const { return m_data.imageId; }
bool useFind() const { return m_useFind; }
void setUseFind(bool useFind) { m_useFind = useFind; }
Environment environment();
CommandLine withDockerExecCmd(const CommandLine &cmd, bool interactive = false);
bool prepareForBuild(const Target *target);
private:
bool createContainer();
void startContainer();
void stopCurrentContainer();
@@ -895,52 +891,13 @@ bool DockerDevice::ensureReachable(const FilePath &other) const
return d->ensureReachable(other.parentDir());
}
void DockerDevice::iterateWithFind(const FilePath &filePath,
const std::function<bool(const Utils::FilePath &)> &callBack,
const FileFilter &filter) const
{
QTC_ASSERT(callBack, return);
QTC_CHECK(filePath.isAbsolutePath());
QStringList arguments{filePath.path()};
arguments << filter.asFindArguments();
const QByteArray output = d->outputForRunInShell({"find", arguments});
const QString out = QString::fromUtf8(output.data(), output.size());
if (!output.isEmpty() && !out.startsWith(filePath.path())) { // missing find, unknown option
qCDebug(dockerDeviceLog) << "Setting 'do not use find'" << out.left(out.indexOf('\n'));
d->setUseFind(false);
return;
}
const QStringList entries = out.split("\n", Qt::SkipEmptyParts);
for (const QString &entry : entries) {
if (entry.startsWith("find: "))
continue;
const FilePath fp = FilePath::fromString(entry);
if (!callBack(fp.onDevice(filePath)))
break;
}
}
void DockerDevice::iterateDirectory(const FilePath &filePath,
const std::function<bool(const FilePath &)> &callBack,
const FileFilter &filter) const
{
QTC_ASSERT(handlesFile(filePath), return);
if (d->useFind()) {
iterateWithFind(filePath, callBack, filter);
// d->m_useFind will be set to false if 'find' is not found. In this
// case fall back to 'ls' below.
if (d->useFind())
return;
}
// if we do not have find - use ls as fallback
const QByteArray output = d->outputForRunInShell({"ls", {"-1", "-b", "--", filePath.path()}});
const QStringList entries = QString::fromUtf8(output).split('\n', Qt::SkipEmptyParts);
FileUtils::iterateLsOutput(filePath, entries, filter, callBack);
auto runInShell = [this](const CommandLine &cmd) { return d->outputForRunInShell(cmd); };
FileUtils::iterateUnixDirectory(filePath, filter, &d->m_useFind, runInShell, callBack);
}
std::optional<QByteArray> DockerDevice::fileContents(const FilePath &filePath,