Fix/snap version (#162)

* fix(snap): grade and version should be from the part

* CI(snap): need git history for latest git tag

* ci(snap): use new action-publish crendential system

* ignore snap

.github/workflows/snap.yaml

@@ -17,6 +17,9 @@ jobs:
       snap-file: ${{ steps.build-snap.outputs.snap }}
     steps:
     - uses: actions/checkout@v2
+      with:
+        # full history for latest tag name
+        fetch-depth: 0
     - uses: snapcore/action-build@v1
       id: build-snap
       with:
@@ -44,7 +47,8 @@ jobs:
         name: micro-ros-agent-snap
         path: .
     - uses: snapcore/action-publish@v1
+      env:
+        SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
       with:
-        store_login: ${{ secrets.STORE_LOGIN }}
         snap: ${{needs.build.outputs.snap-file}}
         release: ${{ startsWith(github.ref, 'refs/tags/') && 'candidate' || 'edge'}}

.gitignore

@@ -33,3 +33,7 @@
 # End of https://www.gitignore.io/api/qtcreator
 
 CMakeLists.txt.user
+
+
+# snaps
+*.snap

snap/snapcraft.yaml

@@ -1,6 +1,6 @@
 name: micro-ros-agent
+adopt-info: uros-agent # parse metadata from the uros-agent part
 base: core20
-version: git
 summary: Bridge between Micro ROS client applications and ROS 2
 description: |
   Micro-ROS, whose default implementation is based on eProsima's
@@ -99,7 +99,6 @@ description: |
   After this, you can execute your snap as usual,
   using `sudo micro-ros-agent serial -d <serial-dev>`.
 
-grade: stable
 confinement: strict
 
 architectures:
@@ -123,7 +122,7 @@ parts:
         snapcraftctl set-version "$version"
         snapcraftctl set-grade "$grade"
 
-    build-packages: [make, gcc, g++]
+    build-packages: [make, gcc, g++, git]
     stage-packages: [ros-foxy-ros2launch]
 
   runner: