feat: Branch Divergence Checker Plugin (#4806)

* Branch Divergence Checker Plugin

* Delete scripts/sql/229_GitHub_branch_divergence_checker_v1.0.down.sql

* Delete assets/GitHubBranchDivergenceCheckerlogo.png

* Adding assets

* Changing asset name

* Removing asset

* Update 229_github_branch_divergence_checker.up.sql

scripts/sql/229_gitHub_branch_divergence_checker.down.sql

@@ -0,0 +1,8 @@
+
+DELETE FROM plugin_step_variable where plugin_step_id=(SELECT ps.id FROM plugin_metadata p inner JOIN plugin_step ps on ps.plugin_id=p.id WHERE p.name='GitHub Branch Divergence Checker v1.0' and ps."index"=1 and ps.deleted=false);
+DELETE FROM plugin_stage_mapping where plugin_id=(SELECT id from plugin_metadata where name='GitHub Branch Divergence Checker v1.0');
+DELETE FROM plugin_step where plugin_id=(SELECT id FROM plugin_metadata WHERE name='GitHub Branch Divergence Checker v1.0');
+DELETE FROM plugin_tag_relation WHERE plugin_id=(SELECT id FROM plugin_metadata WHERE name='GitHub Branch Divergence Checker v1.0');
+DELETE FROM pipeline_stage_step_variable where pipeline_stage_step_id in (select id from pipeline_stage_step where name ='GitHub Branch Divergence Checker v1.0');
+DELETE FROM pipeline_stage_step WHERE name ='GitHub Branch Divergence Checker v1.0';
+DELETE FROM plugin_metadata where name='GitHub Branch Divergence Checker v1.0';

scripts/sql/229_github_branch_divergence_checker.up.sql

@@ -0,0 +1,63 @@
+INSERT INTO plugin_metadata (id,name,description,type,icon,deleted,created_on,created_by,updated_on,updated_by)
+VALUES (nextval('id_seq_plugin_metadata'),'GitHub Branch Divergence Checker v1.0','Comparing Commit Histories in Branches in Github Repository','PRESET','https://raw.githubusercontent.com/devtron-labs/devtron/main/assets/branch-compare-plugin-logo.png',false,'now()',1,'now()',1);
+
+INSERT INTO plugin_tag_relation ("id", "tag_id", "plugin_id", "created_on", "created_by", "updated_on", "updated_by") VALUES (nextval('id_seq_plugin_tag_relation'), (SELECT id FROM plugin_tag WHERE name='Github'), (SELECT id FROM plugin_metadata WHERE name='GitHub Branch Divergence Checker v1.0'),'now()', 1, 'now()', 1);
+
+
+INSERT INTO plugin_stage_mapping (id,plugin_id,stage_type,created_on,created_by,updated_on,updated_by)VALUES (nextval('id_seq_plugin_stage_mapping'),
+(SELECT id from plugin_metadata where name='GitHub Branch Divergence Checker v1.0'), 0,'now()',1,'now()',1);
+
+INSERT INTO "plugin_pipeline_script" ("id", "script","type","deleted","created_on", "created_by", "updated_on", "updated_by")
+VALUES ( nextval('id_seq_plugin_pipeline_script'),
+E'#!/bin/bash
+set -e
+source_type=$(echo "$CI_CD_EVENT" | jq -r \'.commonWorkflowRequest.ciProjectDetails[0].sourceType\')
+if [ "$source_type" == "WEBHOOK" ]; then
+     if [ -z "$ParentBranch" ]; then 
+        ParentBranch=master
+    fi
+
+    if [ -z "$ChildBranch" ]; then
+        ChildBranch=$(echo "$CI_CD_EVENT" | jq -r \'.commonWorkflowRequest.ciProjectDetails[0].WebhookData.data."source branch name"\')
+    fi 
+   
+elif [ "$source_type" == "SOURCE_TYPE_BRANCH_FIXED" ]; then
+     if [ -z "$ParentBranch" ]; then  
+        ParentBranch=master
+    fi
+    
+    if [ -z "$ChildBranch" ]; then
+       ChildBranch=$(echo "$CI_CD_EVENT" | jq -r \'.commonWorkflowRequest.ciProjectDetails[0].sourceValue\') 
+    fi
+   
+else
+    echo "Source type provided is not appropriate."
+fi
+
+git checkout "$ChildBranch"
+branch2=${2:-origin/$ChildBranch}
+branch1=${1:-origin/$ParentBranch}
+
+commits_ahead=$(git rev-list --no-merges --count "$branch2".."$branch1")
+
+if [ "$commits_ahead" -gt 2 ]; then
+    echo "$branch2 is ahead of $branch1 by $commits_ahead commits. Please merge $branch2 into $branch1 first."
+    exit 1
+else
+    echo "$branch1 and $branch2 branches are in sync or the commit difference is within the allowed range."
+fi',      
+    'SHELL',
+    'f',
+    'now()',
+    1,
+    'now()',
+    1
+);
+
+INSERT INTO "plugin_step" ("id", "plugin_id","name","description","index","step_type","script_id","deleted", "created_on", "created_by", "updated_on", "updated_by") VALUES (nextval('id_seq_plugin_step'), (SELECT id FROM plugin_metadata WHERE name='GitHub Branch Divergence Checker v1.0'),'Step 1','Step 1 - GitHub Branch Divergence Checker v1.0','1','INLINE',(SELECT last_value FROM id_seq_plugin_pipeline_script),'f','now()', 1, 'now()', 1);
+
+INSERT INTO plugin_step_variable (id,plugin_step_id,name,format,description,is_exposed,allow_empty_value,default_value,value,variable_type,value_type,previous_step_index,variable_step_index,variable_step_index_in_plugin,reference_variable_name,deleted,created_on,created_by,updated_on,updated_by) 
+VALUES 
+(nextval('id_seq_plugin_step_variable'),(SELECT ps.id FROM plugin_metadata p inner JOIN plugin_step ps on ps.plugin_id=p.id WHERE p.name='GitHub Branch Divergence Checker v1.0' and ps."index"=1 and ps.deleted=false),'ParentBranch','STRING','Enter the branch that will be compared against the commits of ChildBranch. Default: master, if not provided.','t','t',null,null,'INPUT','NEW',null,1,null,null,'f','now()',1,'now()',1),
+(nextval('id_seq_plugin_step_variable'),(SELECT ps.id FROM plugin_metadata p inner JOIN plugin_step ps on ps.plugin_id=p.id WHERE p.name='GitHub Branch Divergence Checker v1.0' and ps."index"=1 and ps.deleted=false),'ChildBranch','STRING','Enter the branch that needs to be checked for commits.','t','t',null,null,'INPUT','NEW',null,1,null,null,'f','now()',1,'now()',1);
+