github: getshortsha action

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/GitHubTask.java

@@ -22,6 +22,7 @@
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.walmartlabs.concord.plugins.git.actions.ShortCommitShaAction;
 import com.walmartlabs.concord.plugins.git.model.Auth;
 import com.walmartlabs.concord.plugins.git.model.GitHubApiInfo;
 import com.walmartlabs.concord.plugins.git.tokens.AccessTokenProvider;
@@ -43,6 +44,7 @@
 
 import static com.walmartlabs.concord.plugins.git.Utils.getUrl;
 import static com.walmartlabs.concord.sdk.MapUtils.*;
+import static com.walmartlabs.concord.plugins.git.VariablesGithubTaskParams.Action;
 
 public class GitHubTask {
 
@@ -107,13 +109,15 @@ public class GitHubTask {
     private static final TypeReference<List<Map<String, Object>>> LIST_OF_OBJECT_TYPE = new TypeReference<>() {
     };
 
+    private final UUID txId;
     private final boolean dryRunMode;
 
-    public GitHubTask() {
-        this(false);
+    public GitHubTask(UUID txId) {
+        this(txId, false);
     }
 
-    public GitHubTask(boolean dryRunMode) {
+    public GitHubTask(UUID txId, boolean dryRunMode) {
+        this.txId = txId;
         this.dryRunMode = dryRunMode;
     }
 
@@ -140,6 +144,8 @@ public Map<String, Object> execute(Map<String, Object> in, Map<String, Object> d
 
         log.info("Starting '{}' action on API URL: {}", action, apiInfo.baseUrl());
 
+        var input = VariablesGithubTaskParams.merge(defaults, in);
+
         return switch (action) {
             case CREATEPR -> createPR(in, apiInfo);
             case COMMENTPR -> commentPR(in, apiInfo);
@@ -166,6 +172,7 @@ public Map<String, Object> execute(Map<String, Object> in, Map<String, Object> d
             case CREATEHOOK -> createHook(in, apiInfo);
             case GETPRFILES -> getPRFiles(in, apiInfo);
             case CREATEAPPTOKEN -> createAppToken(apiInfo);
+            case GETSHORTSHA -> new ShortCommitShaAction().execute(txId, apiInfo, VariablesGithubTaskParams.getShortSha(input));
         };
     }
 
@@ -1190,32 +1197,4 @@ protected IOException createException(InputStream response, int code, String sta
             }
         };
     }
-
-    public enum Action {
-        CREATEPR,
-        COMMENTPR,
-        MERGEPR,
-        CLOSEPR,
-        GETPRCOMMITLIST,
-        MERGE,
-        CREATEISSUE,
-        CREATETAG,
-        CREATEHOOK,
-        DELETETAG,
-        DELETEBRANCH,
-        GETCOMMIT,
-        ADDSTATUS,
-        GETSTATUSES,
-        FORKREPO,
-        GETBRANCHLIST,
-        GETPR,
-        GETPRLIST,
-        GETPRFILES,
-        GETTAGLIST,
-        GETLATESTSHA,
-        CREATEREPO,
-        DELETEREPO,
-        GETCONTENT,
-        CREATEAPPTOKEN
-    }
 }

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/GitHubTaskAction.java

@@ -0,0 +1,31 @@
+package com.walmartlabs.concord.plugins.git;
+
+/*-
+ * *****
+ * Concord
+ * -----
+ * Copyright (C) 2017 - 2025 Walmart Inc., Concord Authors
+ * -----
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =====
+ */
+
+import com.walmartlabs.concord.plugins.git.model.GitHubApiInfo;
+
+import java.util.Map;
+import java.util.UUID;
+
+public abstract class GitHubTaskAction<T extends GitHubTaskParams> {
+
+    public abstract Map<String, Object> execute(UUID txId, GitHubApiInfo apiInfo, T input) throws Exception;
+}

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/GitHubTaskParams.java

@@ -0,0 +1,32 @@
+package com.walmartlabs.concord.plugins.git;
+
+/*-
+ * *****
+ * Concord
+ * -----
+ * Copyright (C) 2017 - 2025 Walmart Inc., Concord Authors
+ * -----
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =====
+ */
+
+public sealed interface GitHubTaskParams {
+
+    record GetShortCommitSha(
+            String org,
+            String repo,
+            String sha,
+            int minLength
+    ) implements GitHubTaskParams {
+    }
+}

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/VariablesGithubTaskParams.java

@@ -0,0 +1,88 @@
+package com.walmartlabs.concord.plugins.git;
+
+/*-
+ * *****
+ * Concord
+ * -----
+ * Copyright (C) 2017 - 2025 Walmart Inc., Concord Authors
+ * -----
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =====
+ */
+
+import com.walmartlabs.concord.runtime.v2.sdk.MapBackedVariables;
+import com.walmartlabs.concord.runtime.v2.sdk.Variables;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Stream;
+
+import static com.walmartlabs.concord.plugins.git.GitHubTaskParams.*;
+
+public final class VariablesGithubTaskParams {
+
+    public enum Action {
+        CREATEPR,
+        COMMENTPR,
+        MERGEPR,
+        CLOSEPR,
+        GETPRCOMMITLIST,
+        MERGE,
+        CREATEISSUE,
+        CREATETAG,
+        CREATEHOOK,
+        DELETETAG,
+        DELETEBRANCH,
+        GETCOMMIT,
+        ADDSTATUS,
+        GETSTATUSES,
+        FORKREPO,
+        GETBRANCHLIST,
+        GETPR,
+        GETPRLIST,
+        GETPRFILES,
+        GETTAGLIST,
+        GETLATESTSHA,
+        CREATEREPO,
+        DELETEREPO,
+        GETCONTENT,
+        CREATEAPPTOKEN,
+        GETSHORTSHA
+    }
+
+    public static Variables merge(Map<String, Object> taskDefaults, Map<String, Object> input) {
+        var merged = new HashMap<String, Object>();
+        Stream.of(taskDefaults, input)
+                .filter(Objects::nonNull)
+                .forEach(merged::putAll);
+
+        return new MapBackedVariables(merged);
+    }
+
+    public static GetShortCommitSha getShortSha(Variables variables) {
+        return new GetShortCommitSha(
+                assertOrg(variables),
+                assertRepo(variables),
+                variables.assertString("sha"),
+                variables.getInt("minLength", 7));
+    }
+
+    private static String assertOrg(Variables variables) {
+        return variables.assertString("org");
+    }
+
+    private static String assertRepo(Variables variables) {
+        return variables.assertString("repo");
+    }
+}

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/actions/ShortCommitShaAction.java

@@ -0,0 +1,89 @@
+package com.walmartlabs.concord.plugins.git.actions;
+
+/*-
+ * *****
+ * Concord
+ * -----
+ * Copyright (C) 2017 - 2025 Walmart Inc., Concord Authors
+ * -----
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =====
+ */
+
+import com.walmartlabs.concord.plugins.git.GitHubTaskAction;
+import com.walmartlabs.concord.plugins.git.GitHubTaskParams;
+import com.walmartlabs.concord.plugins.git.client.GitHubApiException;
+import com.walmartlabs.concord.plugins.git.client.GitHubClient;
+import com.walmartlabs.concord.plugins.git.model.GitHubApiInfo;
+import com.walmartlabs.concord.runtime.v2.sdk.UserDefinedException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.UUID;
+
+public class ShortCommitShaAction extends GitHubTaskAction<GitHubTaskParams.GetShortCommitSha> {
+
+    private final static Logger log = LoggerFactory.getLogger(ShortCommitShaAction.class);
+
+    @Override
+    public Map<String, Object> execute(UUID txId, GitHubApiInfo apiInfo, GitHubTaskParams.GetShortCommitSha input) {
+        int minLen = input.minLength() > 0 ? input.minLength() : 7;
+
+        var client = new GitHubClient(txId, apiInfo);
+        try {
+            var commit = getCommit(client, input.org(), input.repo(), input.sha());
+            if (commit == null) {
+                log.error("❌ Commit '{}' not found in '{}/{}'", input.sha(), input.org(), input.repo());
+                throw new UserDefinedException("Commit not found in '" + input.org() + "/" + input.repo() + "'");
+            }
+
+            for (int len = minLen; len <= 40; len++) {
+                var prefix = input.sha().substring(0, len);
+
+                commit = getCommit(client, input.org(), input.repo(), prefix);
+                if (commit != null && input.sha().equals(commit.get("sha"))) {
+
+                    log.info("✅ Short SHA for '{}' commit is '{}' in '{}/{}'",
+                            input.sha(), prefix, input.org(), input.repo());
+
+                    return Map.of("shortSha", prefix);
+                }
+            }
+
+            log.error("❌ Could not derive unique short SHA for '{}' commit in '{}/{}'",
+                    input.sha(), input.org(), input.repo());
+
+            throw new UserDefinedException("Could not derive unique short SHA for '" + input.sha() + "' commit");
+        } catch (UserDefinedException e) {
+            throw e;
+        } catch (Exception e) {
+            log.error("❌ Error while getting short SHA for '{}' commit in '{}/{}'",
+                    input.sha(), input.org(), input.repo(), e);
+
+           throw new RuntimeException("Failed to get short SHA for '" + input.sha() + "' commit: "  + e.getMessage());
+        }
+    }
+
+    private static Map<String, Object> getCommit(GitHubClient client, String owner, String repo, String sha) throws Exception{
+        try {
+            var c = client.singleObjectResult("GET", "/repos/" + owner + "/" + repo + "/commits/" + sha, null);
+            return c == null || c.isEmpty() ? null : c;
+        } catch (GitHubApiException e) {
+            if (e.getStatusCode() == 404 || e.getStatusCode() == 422) {
+                return null;
+            }
+            throw e;
+        }
+    }
+}

tasks/git/src/main/java/com/walmartlabs/concord/plugins/git/client/GitHubApiException.java

@@ -0,0 +1,37 @@
+package com.walmartlabs.concord.plugins.git.client;
+
+/*-
+ * *****
+ * Concord
+ * -----
+ * Copyright (C) 2017 - 2025 Walmart Inc., Concord Authors
+ * -----
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =====
+ */
+
+import java.io.IOException;
+
+public class GitHubApiException extends IOException {
+
+    private final int statusCode;
+
+    public GitHubApiException(String message, int statusCode) {
+        super(message);
+        this.statusCode = statusCode;
+    }
+
+    public int getStatusCode() {
+        return statusCode;
+    }
+}