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fix issue with too many open files on OS X

This commit is contained in:
Wolf Vollprecht 2021-02-24 11:26:57 +01:00
parent 3b39dff946
commit 81035ec2f8
2 changed files with 13 additions and 9 deletions
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2
README.md
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@ -140,7 +140,7 @@ For more instructions (including OS X) check out https://gist.github.com/wolfv/f
Make sure to have the following requirements in your conda environment:
`mamba install cmake compilers pybind11 libsolv libarchive libcurl nlohmann_json pip cpp-filesystem yaml-cpp -c conda-forge`
`mamba install cmake compilers pybind11 libsolv libarchive libcurl nlohmann_json pip cpp-filesystem yaml-cpp reproc-cpp -c conda-forge`
If you build mamba in a different environment than base, you must also install conda in
that environment:

20
src/fetch.cpp
View File

@ -26,12 +26,6 @@ namespace mamba
, m_url(url)
{
LOG_INFO << "Downloading to filename: " << m_filename;
m_file = std::ofstream(filename, std::ios::binary);
if (!m_file)
{
LOG_ERROR << "Could not open file for download " << filename << ": " << strerror(errno);
exit(1);
}
m_handle = curl_easy_init();
init_curl_target(m_url);
@ -136,9 +130,7 @@ namespace mamba
{
if (fs::exists(m_filename))
{
m_file.close();
fs::remove(m_filename);
m_file.open(m_filename);
}
init_curl_target(m_url);
if (m_has_progress_bar)
@ -167,7 +159,19 @@ namespace mamba
size_t DownloadTarget::write_callback(char* ptr, size_t size, size_t nmemb, void* self)
{
auto* s = reinterpret_cast<DownloadTarget*>(self);
if (!s->m_file.is_open())
{
s->m_file = std::ofstream(s->m_filename, std::ios::binary);
if (!s->m_file)
{
LOG_ERROR << "Could not open file for download " << s->m_filename << ": "
<< strerror(errno);
exit(1);
}
}
s->m_file.write(ptr, size * nmemb);
if (!s->m_file)
{
LOG_ERROR << "Could not write to file " << s->m_filename << ": " << strerror(errno);