From afbd217e1704ba2b51dfe0bc6d1c321b06309baa Mon Sep 17 00:00:00 2001
From: Joshua Gilman <joshuagilman@gmail.com>
Date: Wed, 4 Sep 2024 15:08:54 -0400
Subject: [PATCH] wip: adds tag support

---
 blueprint/schema/_embed/schema.cue |  8 ++++-
 blueprint/schema/schema.go         |  6 +++-
 blueprint/schema/schema_go_gen.cue |  6 +++-
 forge/actions/publish/src/main.js  | 58 +++++++++++++++++++++++++-----
 4 files changed, 67 insertions(+), 11 deletions(-)

diff --git a/blueprint/schema/_embed/schema.cue b/blueprint/schema/_embed/schema.cue
index 7195dca2..0703005f 100644
--- a/blueprint/schema/_embed/schema.cue
+++ b/blueprint/schema/_embed/schema.cue
@@ -142,7 +142,13 @@ package schema
 }
 version: "1.0"
 #Tagging: {
-	// Strategy contains the tagging strategy to use.
+	// Aliases contains the aliases to use for git tags.
+	// +optional
+	aliases?: {
+		[string]: string
+	} @go(Aliases,map[string]string)
+
+	// Strategy contains the tagging strategy to use for containers.
 	strategy: "commit" @go(Strategy)
 }
 
diff --git a/blueprint/schema/schema.go b/blueprint/schema/schema.go
index 1ad1104f..e18afafd 100644
--- a/blueprint/schema/schema.go
+++ b/blueprint/schema/schema.go
@@ -147,7 +147,11 @@ type Secret struct {
 }
 
 type Tagging struct {
-	// Strategy contains the tagging strategy to use.
+	// Aliases contains the aliases to use for git tags.
+	// +optional
+	Aliases map[string]string `json:"aliases"`
+
+	// Strategy contains the tagging strategy to use for containers.
 	Strategy string `json:"strategy"`
 }
 
diff --git a/blueprint/schema/schema_go_gen.cue b/blueprint/schema/schema_go_gen.cue
index d5cbd536..7de5cce4 100644
--- a/blueprint/schema/schema_go_gen.cue
+++ b/blueprint/schema/schema_go_gen.cue
@@ -141,7 +141,11 @@ package schema
 }
 
 #Tagging: {
-	// Strategy contains the tagging strategy to use.
+	// Aliases contains the aliases to use for git tags.
+	// +optional
+	aliases?: {[string]: string} @go(Aliases,map[string]string)
+
+	// Strategy contains the tagging strategy to use for containers.
 	strategy: string @go(Strategy)
 }
 
diff --git a/forge/actions/publish/src/main.js b/forge/actions/publish/src/main.js
index 5a51e433..3d6a1505 100644
--- a/forge/actions/publish/src/main.js
+++ b/forge/actions/publish/src/main.js
@@ -36,20 +36,49 @@ async function run() {
       return;
     }
 
+    const tags = [];
+    const gitTag = parseGitTag(process.env.GITHUB_REF);
+    if (gitTag !== "") {
+      core.info(`Detected Git tag: ${gitTag}`);
+
+      parts = gitTag.split("/");
+      if (parts.lenth > 1) {
+        const path = parts.slice(0, -1).join("/");
+        const tag = parts[parts.length - 1];
+        const projectCleaned = project.trimStart(".").trimEnd("/");
+
+        core.info(`Detected mono-repo tag path=${path} tag=${tag}`);
+        if (Object.keys(blueprint?.global?.ci?.tagging?.aliases) !== undefined) {
+          if (blueprint.global.ci.tagging.aliases[path] === projectCleaned) {
+            tags.push(tag);
+          }
+        } else if (path === projectCleaned) {
+          tags.push(tag);
+        } else {
+          core.info(`Skipping tag as it does not match the project path`);
+        }
+      } else {
+        core.info("Detected non mono-repo tag. Using tag as is.");
+        tags.push(gitTag);
+      }
+    } else {
+      core.info("No Git tag detected");
+    }
+
     const container = blueprint.project.container;
     const registries = blueprint.global.ci.registries;
-    const tag = getTag(blueprint.global.ci.tagging.strategy);
-
-    core.info(`Ref: ${process.env.GITHUB_REF}`);
+    tags.push(getTag(blueprint.global.ci.tagging.strategy));
 
     for (const registry of registries) {
-      const taggedImage = `${registry}/${container}:${tag}`;
+      for (const tag of tags) {
+        const taggedImage = `${registry}/${container}:${tag}`;
 
-      core.info(`Tagging image ${image} as ${taggedImage}`);
-      await tagImage(image, taggedImage);
+        core.info(`Tagging image ${image} as ${taggedImage}`);
+        await tagImage(image, taggedImage);
 
-      core.info(`Pushing image ${taggedImage}`);
-      //await pushImage(taggedImage);
+        core.info(`Pushing image ${taggedImage}`);
+        //await pushImage(taggedImage);
+      }
     }
   } catch (error) {
     core.setFailed(error.message);
@@ -106,6 +135,19 @@ async function imageExists(name) {
   return result === 0;
 }
 
+/**
+ * Parse a Git tag from a ref. If the ref is not a tag, an empty string is returned.
+ * @param {string} ref The ref to parse
+ * @returns {string}   The tag or an empty string
+ */
+function parseGitTag(ref) {
+  if (ref.startsWith("refs/tags/")) {
+    return ref.slice(10);
+  } else {
+    return "";
+  }
+}
+
 /***
  * Push a Docker image to a registry
  */