Merge pull request #3 from sbe-arg/feature/gcr

feat: add support for google gcr.io

README.md

@@ -52,8 +52,9 @@ jobs:
 - your compose files must be on your repo root.
 - your compose files must match '\*compose\*.yaml' or '\*compose\*.yml'
 - your images in compose files must include the full registry: 
-  - docker.io/somecompany/theimage:x.x.x
-  - mcr.microsoft.com/part/theimage:x.x.x
+  - `docker.io/somecompany/theimage:x.x.x` (ie, docker.io/grafana/grafana:10.0.1)
+  - `mcr.microsoft.com/part/theimage:x.x.x` (ie, mcr.microsoft.com/azure-cli:2.50.0)
+  - `gcr.io/project/image:x.x.x` (ie, gcr.io/cadvisor/cadvisor:v0.47.1)
 
 ## what for:
 
@@ -63,6 +64,7 @@ jobs:
 
 - dockerhub
 - microsoft mcr
+- google gcr
 - other? open an issue or open pr
 
 ## what does it look like

VERSION

@@ -1 +1 @@
-v0.1.0
+v0.1.1

bin/pincher.sh

@@ -109,6 +109,23 @@ do
     [ -n "$latest_version_in_registry" ] && versions_magic
 done
 
+# google gcr
+versions_gcr=$(yq '.services[].image' ./*compose*.y* | grep gcr.io | sort | uniq)
+for version in $versions_gcr
+do
+    latest_version_in_registry=""
+
+    [[ $version =~ gcr.io\/(.*)\:(.*) ]]
+    image=${BASH_REMATCH[1]}
+    v_rematched=${BASH_REMATCH[2]}
+    echo "image: $image, v: $v_rematched"
+
+    latest_version_in_registry="$(curl -s https://gcr.io/v2/$image/tags/list | jq -r '.tags[]' | sort -V -t. -k1,1 -k2,2 -k3,3 | grep -oP '^v?[0-9]+\.[0-9]+\.[0-9]+$' | tail -n 1)"
+
+    # the magic
+    [ -n "$latest_version_in_registry" ] && versions_magic
+done
+
 # considerations "how to edit/contribute"
 # add each new registry in a separated block loop as per the existing ones
 # authentication happens via env_vars in the action block if required