travis: Add back a 32 bit i386 build

Although people are likely not deploying on 32 bit x86 anymore,
deploying on 32 bit armv7 is still often used. Add back an i386 build on
debian to try to catch 32 bit bugs in CI.

diff --git a/.travis.yml b/.travis.yml
index 986c1a19636e91ff7780eb3d70d8e91a9939947f..10d8e4bf216f966d25cd828800ca1ac34a527564 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ env:
   # debian has libsodium-dev, ubuntu doesn't in core at least
   - ci_docker=debian:buster-slim ci_distro=debian ci_suite=buster ci_configopts="--with-ed25519-libsodium" ci_pkgs="libsodium-dev"
   - ci_docker=debian:buster-slim ci_distro=debian ci_suite=buster ci_configopts="--with-curl --with-ed25519-libsodium --without-gpgme" ci_pkgs="libsodium-dev"
+  # A 32 bit build to act as a proxy for frequently deployed 32 bit armv7
+  - ci_docker=i386/debian:buster-slim ci_distro=debian ci_suite=buster
   - ci_docker=ubuntu:focal ci_distro=ubuntu ci_suite=focal
   - ci_docker=ubuntu:groovy ci_distro=ubuntu ci_suite=groovy