fix: fix crashing when one then more parents is found

We just display error message because we can't decide what is the first
commit of the branch. And we need very first commit to check if it is
codepush friendly.

lib/fastlane/plugin/semantic_release/actions/analyze_commits.rb

@@ -143,13 +143,22 @@ def self.is_releasable(params)
       end
 
       def self.is_codepush_friendly(params)
+        git_command = 'git rev-list --max-parents=0 HEAD'
         # Begining of the branch is taken for codepush analysis
-        hash = Actions.sh('git rev-list --max-parents=0 HEAD', log: params[:debug]).chomp
+        hash_lines = Actions.sh("#{git_command} | wc -l", log: params[:debug]).chomp
+        hash = Actions.sh(git_command, log: params[:debug]).chomp
         next_major = 0
         next_minor = 0
         next_patch = 0
         last_incompatible_codepush_version = '0.0.0'
 
+        if hash_lines.to_i > 1
+          UI.error("#{git_command} resulted to more than 1 hash")
+          UI.error('This usualy happens when you pull only part of a git history. Check out how you pull the repo! "git fetch" should be enough.')
+          Actions.sh(git_command, log: true).chomp
+          return false
+        end
+
         # Get commits log between last version and head
         splitted = get_commits_from_hash(
           hash: hash,