feat(container): add image build validation steps

vars/gitea.groovy

@@ -1,4 +1,4 @@
-def commentPullRequest(String repo, String issueId, String comment, Integer commentIndex = 0) {
+def commentPullRequest(String repo, String issueId, String comment, Integer commentIndex = -1) {
   comment = comment.replaceAll('"', '\\"')
   withCredentials([
     string(credentialsId: 'GITEA_JENKINS_PERSONAL_TOKEN', variable: 'GITEA_TOKEN'),
@@ -7,13 +7,17 @@ def commentPullRequest(String repo, String issueId, String comment, Integer comm
     sh """#!/bin/bash
     set -xeo pipefail
 
-    # Récupération si il existe du commentaire existant
-    previous_comment_id=\$(curl -v --fail \
-      -H "Authorization: token ${GITEA_TOKEN}" \
-      -H "Content-Type: application/json" \
-      https://forge.cadoles.com/api/v1/repos/${repo}/issues/${issueId}/comments \
-      | jq -c '[ .[] | select(.user.login=="jenkins") ] | .[${commentIndex}] | .id' \
-    )
+    previous_comment_id=null
+
+    if [ "${commentIndex}" != "-1" ]; then
+      # Récupération si il existe du commentaire existant
+      previous_comment_id=\$(curl -v --fail \
+        -H "Authorization: token ${GITEA_TOKEN}" \
+        -H "Content-Type: application/json" \
+        https://forge.cadoles.com/api/v1/repos/${repo}/issues/${issueId}/comments \
+        | jq -c '[ .[] | select(.user.login=="jenkins") ] | .[${commentIndex}] | .id' \
+      )
+    fi
 
     # Génération du payload pour l'API Gitea
     echo '{}' | jq -c --rawfile body .prComment '.body = \$body' > payload.json