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 | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) base-commit: 8858448bb49332d353febc078ce4a3abcc962efe Published-As: https://github.com/gitgitgadget/git/releases/tags/pr-69%2Ffcharlie%2Fmaster-v3 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-69/fcharlie/master-v3 Pull-Request: https://github.com/gitgitgadget/git/pull/69 Range-diff vs v2: 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 http: change http.version value type -- gitgitgadget