Latest AMIs per Version in releases/README.md

Only keep the latest AMIs per version in releases/README.md instead of per release.

2 files changed, 22 insertions, 42 deletions

diff --git a/releases/README.md b/releases/README.md
index d1f923c..7955ac3 100644
--- a/releases/README.md
+++ b/releases/README.md
@@ -52,30 +52,6 @@ important to you, please open an [issue](https://github.com/mcrute/alpine-ec2-am
 
 </p></details>
 
-### Alpine Linux 3.10.0 (2019-06-20)
-<details><summary><i>click to show/hide</i></summary><p>
-
-| Region | alpine-ami-3.10.0-x86_64-r0 |
-| ------ | --- |
-| ap-northeast-1 | [ami-00d72ba9e4e50e6f0](https://ap-northeast-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-00d72ba9e4e50e6f0) ([launch](https://ap-northeast-1.console.aws.amazon.com/ec2/home#launchAmi=ami-00d72ba9e4e50e6f0)) |
-| ap-northeast-2 | [ami-0b2ab59439d69c87f](https://ap-northeast-2.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0b2ab59439d69c87f) ([launch](https://ap-northeast-2.console.aws.amazon.com/ec2/home#launchAmi=ami-0b2ab59439d69c87f)) |
-| ap-south-1 | [ami-06ab2e1b19df43403](https://ap-south-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-06ab2e1b19df43403) ([launch](https://ap-south-1.console.aws.amazon.com/ec2/home#launchAmi=ami-06ab2e1b19df43403)) |
-| ap-southeast-1 | [ami-097e487f602370726](https://ap-southeast-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-097e487f602370726) ([launch](https://ap-southeast-1.console.aws.amazon.com/ec2/home#launchAmi=ami-097e487f602370726)) |
-| ap-southeast-2 | [ami-0f2248216c030f2ea](https://ap-southeast-2.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0f2248216c030f2ea) ([launch](https://ap-southeast-2.console.aws.amazon.com/ec2/home#launchAmi=ami-0f2248216c030f2ea)) |
-| ca-central-1 | [ami-035f9ddc53b8e3c94](https://ca-central-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-035f9ddc53b8e3c94) ([launch](https://ca-central-1.console.aws.amazon.com/ec2/home#launchAmi=ami-035f9ddc53b8e3c94)) |
-| eu-central-1 | [ami-0c2583ed13862fb17](https://eu-central-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0c2583ed13862fb17) ([launch](https://eu-central-1.console.aws.amazon.com/ec2/home#launchAmi=ami-0c2583ed13862fb17)) |
-| eu-north-1 | [ami-069c11c7844825375](https://eu-north-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-069c11c7844825375) ([launch](https://eu-north-1.console.aws.amazon.com/ec2/home#launchAmi=ami-069c11c7844825375)) |
-| eu-west-1 | [ami-076b4d480f72a117f](https://eu-west-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-076b4d480f72a117f) ([launch](https://eu-west-1.console.aws.amazon.com/ec2/home#launchAmi=ami-076b4d480f72a117f)) |
-| eu-west-2 | [ami-0a5d209eea58688c2](https://eu-west-2.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0a5d209eea58688c2) ([launch](https://eu-west-2.console.aws.amazon.com/ec2/home#launchAmi=ami-0a5d209eea58688c2)) |
-| eu-west-3 | [ami-0385dc3d759aaa464](https://eu-west-3.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0385dc3d759aaa464) ([launch](https://eu-west-3.console.aws.amazon.com/ec2/home#launchAmi=ami-0385dc3d759aaa464)) |
-| sa-east-1 | [ami-04ddd371cd342921d](https://sa-east-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-04ddd371cd342921d) ([launch](https://sa-east-1.console.aws.amazon.com/ec2/home#launchAmi=ami-04ddd371cd342921d)) |
-| us-east-1 | [ami-0647412cf72f247d9](https://us-east-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0647412cf72f247d9) ([launch](https://us-east-1.console.aws.amazon.com/ec2/home#launchAmi=ami-0647412cf72f247d9)) |
-| us-east-2 | [ami-0fb394548acf15691](https://us-east-2.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0fb394548acf15691) ([launch](https://us-east-2.console.aws.amazon.com/ec2/home#launchAmi=ami-0fb394548acf15691)) |
-| us-west-1 | [ami-04d80966c446c3f58](https://us-west-1.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-04d80966c446c3f58) ([launch](https://us-west-1.console.aws.amazon.com/ec2/home#launchAmi=ami-04d80966c446c3f58)) |
-| us-west-2 | [ami-0c71a8664131b42b3](https://us-west-2.console.aws.amazon.com/ec2/home#Images:visibility=public-images;imageId=ami-0c71a8664131b42b3) ([launch](https://us-west-2.console.aws.amazon.com/ec2/home#launchAmi=ami-0c71a8664131b42b3)) |
-
-</p></details>
-
 ### Alpine Linux 3.9.4 (2019-06-20)
 <details><summary><i>click to show/hide</i></summary><p>
 
diff --git a/scripts/gen-release-readme.py.in b/scripts/gen-release-readme.py.in
index 764869d..679d4f3 100644
--- a/scripts/gen-release-readme.py.in
+++ b/scripts/gen-release-readme.py.in
@@ -30,26 +30,29 @@ sections = {}
 
 for build, releases in RELEASES.items():
     for release, amis in releases.items():
-        if release in sections:
-            rel = sections[release]
-        else:
-            rel = {
-                'built': {},
-                'name': {},
-                'ami': {}
-            }
         for name, info in amis.items():
+            version = info['version']
             arch = info['arch']
             built = info['build_time']
-            if (arch not in rel['built'] or
-                    rel['built'][arch] < built):
-                rel['name'][arch] = name
-                rel['built'][arch] = built
+            if version in sections:
+                ver = sections[version]
+            else:
+                ver = {
+                    'release': '',
+                    'built': {},
+                    'name': {},
+                    'ami': {}
+                }
+            if (arch not in ver['built'] or
+                    ver['built'][arch] < built):
+                ver['release'] = release
+                ver['name'][arch] = name
+                ver['built'][arch] = built
                 for region, ami in info['artifacts'].items():
-                    if region not in rel['ami']:
-                        rel['ami'][region] = {}
-                    rel['ami'][region][arch] = ami
-        sections[release] = rel
+                    if region not in ver['ami']:
+                        ver['ami'][region] = {}
+                    ver['ami'][region][arch] = ami
+            sections[version] = ver
 
 SECTION = """
 ### Alpine Linux {release} ({date})
@@ -85,8 +88,9 @@ def ver_cmp(a, b):
 
 ami_list = "## AMIs\n"
 
-for release in sorted(list(sections.keys()), key=functools.cmp_to_key(ver_cmp)):
-    info = sections[release]
+for version in sorted(list(sections.keys()), key=functools.cmp_to_key(ver_cmp)):
+    info = sections[version]
+    release = info['release']
     rows = []
     rows.append('| Region |')
     rows.append('| ------ |')