Try with head sha

schemas/config.json

@@ -82,6 +82,10 @@
           "description": "When tagging a release, include `v` in the tag. Defaults to `false`.",
           "type": "boolean"
         },
+        "tag-head-sha": {
+          "description": "Tag head sha of the PR with the change. Defaults to `false`.",
+          "type": "boolean"
+        },
         "changelog-type": {
           "description": "The type of changelog to use. Defaults to `default`.",
           "type": "string",
@@ -496,6 +500,7 @@
     "snapshot-label": true,
     "initial-version": true,
     "exclude-paths": true,
-    "component-no-space": false
+    "component-no-space": false,
+    "tag-head-sha": false
   }
 }

src/bin/release-please.ts

@@ -431,6 +431,12 @@ function taggingOptions(yargs: yargs.Argv): yargs.Argv {
         'release-please automatically adds ` ` (space) in front of parsed ${component}. Should this be disabled?',
       type: 'boolean',
       default: false,
+    })
+    .option('tag-head-sha', {
+      describe:
+        'tag the head of the branch with the updated code - not the squashed commit',
+      type: 'boolean',
+      default: false,
     });
 }
 

src/manifest.ts

@@ -143,6 +143,8 @@ export interface ReleaserConfig {
   skipSnapshot?: boolean;
   // Manifest only
   excludePaths?: string[];
+
+  tagHeadSha?: boolean;
 }
 
 export interface CandidateReleasePullRequest {
@@ -189,6 +191,7 @@ interface ReleaserConfigJson {
   'skip-snapshot'?: boolean; // Java-only
   'initial-version'?: string;
   'exclude-paths'?: string[]; // manifest-only
+  'tag-head-sha'?: boolean;
 }
 
 export interface ManifestOptions {
@@ -1403,6 +1406,7 @@ function extractReleaserConfig(
     skipSnapshot: config['skip-snapshot'],
     initialVersion: config['initial-version'],
     excludePaths: config['exclude-paths'],
+    tagHeadSha: config['tag-head-sha'],
   };
 }
 

src/strategies/base.ts

@@ -85,6 +85,7 @@ export interface BaseStrategyOptions {
   logger?: Logger;
   initialVersion?: string;
   extraLabels?: string[];
+  tagHeadSha?: boolean;
 }
 
 /**
@@ -114,6 +115,7 @@ export abstract class BaseStrategy implements Strategy {
   readonly componentNoSpace?: boolean;
   readonly extraFiles: ExtraFile[];
   readonly extraLabels: string[];
+  readonly tagHeadSha?: boolean;
 
   readonly changelogNotes: ChangelogNotes;
 
@@ -149,6 +151,7 @@ export abstract class BaseStrategy implements Strategy {
     this.extraFiles = options.extraFiles || [];
     this.initialVersion = options.initialVersion;
     this.extraLabels = options.extraLabels || [];
+    this.tagHeadSha = options.tagHeadSha;
   }
 
   /**
@@ -691,11 +694,18 @@ export abstract class BaseStrategy implements Strategy {
       component && this.includeComponentInTag
         ? `${component}: v${version.toString()}`
         : `v${version.toString()}`;
+    const githubSourceSha = process.env.GITHUB_SOURCE_SHA;
+    var newSha = ''
+    if (this.tagHeadSha && githubSourceSha !== undefined) {
+      newSha = githubSourceSha
+    } else {
+      newSha = mergedPullRequest.sha
+    }
     return {
       name: releaseName,
       tag,
       notes: notes || '',
-      sha: mergedPullRequest.sha,
+      sha: newSha,
     };
   }
 

src/updaters/release-please-config.ts

@@ -82,6 +82,7 @@ function releaserConfigToJsonConfig(
     'extra-files': config.extraFiles,
     'version-file': config.versionFile,
     'snapshot-label': config.snapshotLabels?.join(','), // Java-only
+    'tag-head-sha': config.tagHeadSha,
   };
   return jsonConfig;
 }