Make curl retry in case of a failed download

To improve the reliability of the build. See: https://curl.haxx.se/docs/manpage.html#--retry https://curl.haxx.se/docs/manpage.html#--connect-timeout
heroku · Nov 7, 2020 · 0dfb606 · 0dfb606
1 parent df9494c
commit 0dfb606
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+* [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Make curl retry in case of a failed download
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Fix the printing of the installed nginx version
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Switch to the recommended S3 URL format
 * [#177](https://github.com/heroku/heroku-buildpack-static/pull/177) Remove unused archive caching

diff --git a/bin/compile b/bin/compile
@@ -21,7 +21,7 @@ case "${STACK}" in
 esac
 
 mkdir -p $build_dir/bin
-curl -sSf "${nginx_archive_url}" | tar -xzC "${build_dir}/bin"
+curl -sSf --retry 3 --connect-timeout 3 "${nginx_archive_url}" | tar -xzC "${build_dir}/bin"
 nginx_version=$("${build_dir}/bin/nginx" -v |& cut -d '/' -f 2-)
 cp -a $bp_dir/scripts/{boot,config} -t $build_dir/bin/
 echo "-----> Installed nginx ${nginx_version} to /app/bin"