ci: set reasonable amount of wget retries for each download

Acked-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Guilherme Gallo <guilherme.gallo@collabora.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17655>

.gitlab-ci/container/container_pre_build.sh

@@ -34,3 +34,9 @@ chmod +x /usr/local/bin/ninja
 # Set MAKEFLAGS so that all make invocations in container builds include the
 # flags (doesn't apply to non-container builds, but we don't run make there)
 export MAKEFLAGS="-j${FDO_CI_CONCURRENT:-4}"
+
+# make wget to try more than once, when download fails or timeout
+echo -e "retry_connrefused = on\n" \
+        "read_timeout = 300\n" \
+        "tries = 4\n" \
+        "wait_retry = 32" >> /etc/wgetrc

.gitlab-ci/container/debian/x86_build-mingw-patch.sh

@@ -14,7 +14,7 @@ mingw-w64-x86_64-zstd-1.5.2-2-any.pkg.tar.zst
 
 for i in $MINGW_PACKET_LIST
 do
-  wget -q --tries=3 https://mirror.msys2.org/mingw/mingw64/$i
+  wget -q https://mirror.msys2.org/mingw/mingw64/$i
   tar xf $i --strip-components=1 -C /usr/x86_64-w64-mingw32/
 done
 popd