Auto merge of #42418 - tomprince:try-deploy, r=Mark-Simulacrum

Upload linux-x86_64 artifacts on try branch.

This is an experiment to explore generating artifacts for testing with cargobmomb. See brson/cargobomb#64.

.travis.yml

@@ -33,7 +33,7 @@ matrix:
     - env: IMAGE=dist-powerpc64le-linux DEPLOY=1
     - env: IMAGE=dist-s390x-linux DEPLOY=1
     - env: IMAGE=dist-x86_64-freebsd DEPLOY=1
-    - env: IMAGE=dist-x86_64-linux DEPLOY=1
+    - env: IMAGE=dist-x86_64-linux DEPLOY=1 ALLOW_TRY=1
     - env: IMAGE=dist-x86_64-musl DEPLOY=1
     - env: IMAGE=dist-x86_64-netbsd DEPLOY=1
     - env: IMAGE=emscripten
@@ -152,8 +152,22 @@ before_script:
       echo "#### Disk usage before running script:";
       df -h;
       du . | sort -nr | head -n100
+  # If we are building a pull request, do the build if $ALLOW_PR == 1
+  # Otherwise, do the build if we are on the auto branch, or the try branch and $ALLOW_TRY == 1
   - >
-      if [ "$ALLOW_PR" = "" ] && [ "$TRAVIS_BRANCH" != "auto" ]; then
+      if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
+          if [[ "$ALLOW_PR" == "1" ]]; then
+              SKIP_BUILD=false;
+          else
+              SKIP_BUILD=true;
+          fi
+      elif [[ "$TRAVIS_BRANCH" == "auto" || ( "$ALLOW_TRY" == "1" && "$TRAVIS_BRANCH" == "try" ) ]]; then
+          SKIP_BUILD=false;
+      else
+          SKIP_BUILD=true;
+      fi
+
+      if [[ "$SKIP_BUILD" == true ]]; then
           export RUN_SCRIPT="echo 'skipping, not a full build'";
       else
           RUN_SCRIPT="stamp src/ci/init_repo.sh . $HOME/rustsrc";
@@ -239,6 +253,20 @@ deploy:
       branch: auto
       condition: $DEPLOY = 1
 
+  - provider: s3
+    bucket: rust-lang-ci
+    skip_cleanup: true
+    local_dir: deploy
+    upload_dir: rustc-builds-try
+    acl: public_read
+    region: us-east-1
+    access_key_id: AKIAIPQVNYF2T3DTYIWQ
+    secret_access_key:
+      secure: "FBqDqOTeIPMu6v/WYPf4CFSlh9rLRZGKVtpLa5KkyuOhXRTrnEzBduEtS8/FMIxdQImvurhSvxWvqRybMOi4qoVfjMqqpHAI7uBbidbrvAcJoHNsx6BgUNVCIoH6a0UsAjTUtm6/YPIpzbHoLZXPL0GrHPMk6Mu04qVSmcYNWn4="
+    on:
+      branch: try
+      condition: $DEPLOY = 1 && $ALLOW_TRY = 1
+
   # this is the same as the above deployment provider except that it uploads to
   # a slightly different directory and has a different trigger
   - provider: s3