Normally, git doesn't need to set curl to select the HTTP version, it works fine without HTTP/2. Adding HTTP/2 support is a icing on the cake. This patch support force enable HTTP/2 or HTTP/1.1. example: GIT_CURL_VERBOSE=1 git2 -c http.version=HTTP/2 ls-remote https://bitbucket.org/aquariusjay/deeplab-public-ver2.git Force Charlie (4): http: add support selecting http version support force use http 1.1 fix curl version to support CURL_HTTP_VERSION_2TLS http: change http.version value type http.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) base-commit: 8858448bb49332d353febc078ce4a3abcc962efe Published-As: https://github.com/gitgitgadget/git/releases/tags/pr-69%2Ffcharlie%2Fmaster-v4 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-69/fcharlie/master-v4 Pull-Request: https://github.com/gitgitgadget/git/pull/69 Range-diff vs v3: 1: 4f5a935c43 = 1: 4f5a935c43 http: add support selecting http version 2: 06e9685d2b = 2: 06e9685d2b support force use http 1.1 3: eee67d8356 = 3: eee67d8356 fix curl version to support CURL_HTTP_VERSION_2TLS 4: ef975b6093 ! 4: 0a7794722b http: change http.version value type @@ -67,10 +67,12 @@ - curl_easy_setopt(result, CURLOPT_HTTP_VERSION,CURL_HTTP_VERSION_2TLS); - } else if (curl_http_version == 11) { - curl_easy_setopt(result, CURLOPT_HTTP_VERSION,CURL_HTTP_VERSION_1_1); -+ long opt=-1; -+ if (curl_http_version &&!get_curl_http_version_opt(curl_http_version, &opt)) { -+ /* Set request use http version */ -+ curl_easy_setopt(result, CURLOPT_HTTP_VERSION,opt); ++ if (curl_http_version) { ++ long opt; ++ if (!get_curl_http_version_opt(curl_http_version, &opt)) { ++ /* Set request use http version */ ++ curl_easy_setopt(result, CURLOPT_HTTP_VERSION,opt); ++ } } #endif -- gitgitgadget