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[PATCH v2 0/2] Show HTTP headers of failed requests with GIT_CURL_VERBOSE

When GIT_CURL_VERBOSE is set, libcurl produces request/response headers
to stderr. However, if the response is an error response and
CURLOPT_FAILONERROR is set, libcurl stops parsing the response, and it
won't dump the headers. Showing HTTP response headers is useful for
debugging, especially for non-OK responses.

To this end, the caller of libcurl needs to handle HTTP request failures by
themselves. The first patch makes git prepared to handle those failures. The
second patch actually unsets CURLOPT_FAILONERROR.

Masaya Suzuki (2):
  Change how HTTP response body is returned

 http.c                       | 103 +++++++++++++++++++----------------
 http.h                       |   1 -
 remote-curl.c                |  30 ++++++++--
 t/lib-httpd/apache.conf      |   1 +
 t/t5581-http-curl-verbose.sh |  28 ++++++++++
 5 files changed, 110 insertions(+), 53 deletions(-)
 create mode 100755 t/t5581-http-curl-verbose.sh