Merge branch '251223-blob-search-should-match-on-the-blob-id' into 'master'

Add the `blob:` search filter to search by Git object-id

Closes #251223

See merge request gitlab-org/gitlab!42752

doc/user/search/advanced_search_syntax.md

@@ -62,6 +62,7 @@ The Advanced Search Syntax also supports the use of filters. The available filte
 - filename: Filters by filename. You can use the glob (`*`) operator for fuzzy matching.
 - path: Filters by path. You can use the glob (`*`) operator for fuzzy matching.
 - extension: Filters by extension in the filename. Please write the extension without a leading dot. Exact match only.
+- blob: Filters by Git `object-id`. Exact match only.
 
 To use them, simply add them to your query in the format `<filter_name>:<value>` without
  any spaces between the colon (`:`) and the value.
@@ -83,6 +84,7 @@ Filters can be inversed to **filter out** results from the result set, by prefix
 - `-filename`
 - `-path`
 - `-extension`
+- `-blob`
 
 Examples:
 

ee/changelogs/unreleased/251223-blob-search-should-match-on-the-blob-id.yml

+---
+title: Add 'blob:' search filter to search for a specific Git object ID.
+merge_request: 42752
+author:
+type: added

ee/lib/elastic/latest/git_class_proxy.rb

@@ -115,6 +115,7 @@ module Elastic
           filter :filename, field: :file_name
           filter :path, parser: ->(input) { "*#{input.downcase}*" }
           filter :extension, field: :path, parser: ->(input) { '*.' + input.downcase }
+          filter :blob, field: :oid
         end
 
         bool_expr = Gitlab::Elastic::BoolExpr.new

ee/spec/models/concerns/elastic/repository_spec.rb

@@ -46,6 +46,9 @@ RSpec.describe Repository, :elastic do
 
     # Finds files/markdown/ruby-style-guide.md
     expect(project.repository.elastic_search('def | popen extension:md')[:blobs][:total_count]).to eq(1)
+
+    # Finds files/ruby/popen.rb
+    expect(project.repository.elastic_search('* blob:7e3e39ebb9b2bf433b4ad17313770fbe4051649c')[:blobs][:total_count]).to eq(1)
   end
 
   def search_and_check!(on, query, type:, per: 1000)