snap: more yak-shaving

- generate decryption step
- skip job for PRs
- remove transfer.sh support
- deploy every (master) commit

.snapcraft/travis_snapcraft.cfg

@@ -1,50 +0,0 @@
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.travis.yml

@@ -4,6 +4,19 @@ language: c
 
 env:
   global:
+    # Encrypted environment variables, see
+    # http://docs.travis-ci.com/user/encryption-keys/
+    #
+    # SNAP_SECRET_KEY: generated by:
+    #   travis encrypt SNAP_SECRET_KEY=xx --add
+    # https://github.com/neovim/neovim/pull/11428
+    # snapcraft key expires after 1 year. Steps to refresh it:
+    #   1. snapcraft enable-ci travis --refresh
+    #   2. mv .snapcraft/travis_snapcraft.cfg ci/snap/travis_snapcraft.cfg
+    #   3. Copy after_success command to ci/snap/deploy.sh from .travis.yml
+    #   4. Undo changes to .travis.yml
+    - secure: hd0qn2u8ABbJg5Bx4pBRcUQbKYFmcSHoecyHIPTCnGJT+NI41Bvm/IkN/N5DhBF+LbD3Q2nmR/dzI5H/dqS7RxMFvEx1DuFLendFHHX3MYf0AuKpXYY3gwgMTmqx8p/v6srlU7RBGWNGzHCWqksAem+EIWCe3I7WvfdKo1/DV/Y=
+
     # Set "false" to force rebuild of third-party dependencies.
     - CACHE_ENABLE=true
     # Build directory for Neovim.
@@ -145,7 +158,7 @@ jobs:
       env:
         - CLANG_SANITIZER=TSAN
         - *common-job-env
-    - if: type != pull
+    - if: type != pull_request
       name: snap
       os: linux
       env:
@@ -162,16 +175,19 @@ jobs:
           - name: transfer
           - name: lxd
             channel: stable
+      # Override default before_install, before_cache.
       before_install: /bin/true
+      before_cache: /bin/true
       install: ci/snap/install.sh
       before_script: echo "Building snap..."
       script: ci/snap/script.sh
       after_success: ci/snap/after_success.sh
-      before_cache: /bin/true
       deploy:
         skip_cleanup: true
         provider: script
         script: ci/snap/deploy.sh
+        on:
+          branch: master
   fast_finish: true
 
 before_install: ci/before_install.sh

ci/snap/after_success.sh

@@ -12,8 +12,3 @@ sudo snap install "$RESULT_SNAP" --dangerous --classic
 
 SHA256=$(sha256sum "$RESULT_SNAP")
 echo "SHA256: ${SHA256} ."
-
-timeout 240 /snap/bin/transfer "$RESULT_SNAP"
-
-travis_retry bash "${ROOT_PATH}/scripts/services/0x0.st.sh" "${RESULT_SNAP}"
-

ci/snap/deploy.sh

@@ -4,19 +4,15 @@ set -e
 set -o pipefail
 
 # not a tagged release, abort
-[[ "$TRAVIS_TAG" != "$TRAVIS_BRANCH" ]] && exit 0
+# [[ "$TRAVIS_TAG" != "$TRAVIS_BRANCH" ]] && exit 0
 
-openssl enc \
-  -aes-256-cbc \
-  -md sha512 \
-  -pbkdf2 \
-  -iter 1000 \
-  -a -d \
-  -in .snapcraft/travis_snapcraft.cfg \
-  -out .snapcraft/snapcraft.cfg -k $SNAP_SECRECT_KEY
+mkdir -p .snapcraft
+openssl aes-256-cbc -K $encrypted_ece1c4844832_key -iv $encrypted_ece1c4844832_iv
+  -in ci/snap/travis_snapcraft.cfg -out .snapcraft/snapcraft.cfg -d
 
 SNAP=$(find ./ -name "*.snap")
 
+# TODO(justinmk): This always does `edge` until we enable tagged builds.
 if [[ "$SNAP" =~ "dirty" || "$SNAP" =~ "nightly" ]]; then
   snapcraft push "$SNAP" --release edge
 else