travis-ci: update distros and repos

Removed release repos:
    1_7/1_9.
Added the build distros:
    Fedora 30, Ubuntu 19.04, Debian 10.
Removed the build distros:
    Fedora 26,27.
Deploy packages from tagged revisions, see:
    tarantool/tarantool#3745

Closes #94

.travis.yml

@@ -12,23 +12,22 @@ env:
     global:
       - PRODUCT=tarantool-queue
     matrix:
-      - TARGET=test VERSION=1_7
-      - TARGET=test VERSION=1_9
       - TARGET=test VERSION=1_10
       - TARGET=test VERSION=2x
       - TARGET=test VERSION=2_2
       - OS=el DIST=6
       - OS=el DIST=7
-      - OS=fedora DIST=26
-      - OS=fedora DIST=27
       - OS=fedora DIST=28
       - OS=fedora DIST=29
+      - OS=fedora DIST=30
       - OS=ubuntu DIST=trusty
       - OS=ubuntu DIST=xenial
       - OS=ubuntu DIST=bionic
       - OS=ubuntu DIST=cosmic
+      - OS=ubuntu DIST=disco
       - OS=debian DIST=jessie
       - OS=debian DIST=stretch
+      - OS=debian DIST=buster
 
 script:
   - git describe --long
@@ -46,7 +45,7 @@ before_deploy:
 deploy:
   - provider: packagecloud
     username: tarantool
-    repository: "1_7"
+    repository: "1_10"
     token: ${PACKAGECLOUD_TOKEN}
     dist: ${OS}/${DIST}
     package_glob: build/*.{rpm,deb}
@@ -56,7 +55,7 @@ deploy:
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
   - provider: packagecloud
     username: tarantool
-    repository: "1_9"
+    repository: "2x"
     token: ${PACKAGECLOUD_TOKEN}
     dist: ${OS}/${DIST}
     package_glob: build/*.{rpm,deb}
@@ -66,14 +65,29 @@ deploy:
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
   - provider: packagecloud
     username: tarantool
-    repository: "1_10"
+    repository: "2_2"
     token: ${PACKAGECLOUD_TOKEN}
     dist: ${OS}/${DIST}
     package_glob: build/*.{rpm,deb}
     skip_cleanup: true
     on:
       branch: master
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
+
+  # Deploy packages to PackageCloud from tags
+  # see:
+  #   * https://github.com/tarantool/tarantool/issues/3745
+  #   * https://github.com/travis-ci/travis-ci/issues/7780#issuecomment-302389370
+  - provider: packagecloud
+    username: tarantool
+    repository: "1_10"
+    token: ${PACKAGECLOUD_TOKEN}
+    dist: ${OS}/${DIST}
+    package_glob: build/*.{rpm,deb}
+    skip_cleanup: true
+    on:
+      tags: true
+      condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
   - provider: packagecloud
     username: tarantool
     repository: "2x"
@@ -82,7 +96,7 @@ deploy:
     package_glob: build/*.{rpm,deb}
     skip_cleanup: true
     on:
-      branch: master
+      tags: true
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
   - provider: packagecloud
     username: tarantool
@@ -92,7 +106,7 @@ deploy:
     package_glob: build/*.{rpm,deb}
     skip_cleanup: true
     on:
-      branch: master
+      tags: true
       condition: -n "${OS}" && -n "${DIST}" && -n "${PACKAGECLOUD_TOKEN}"
 
 notifications: