Add utility functions for getting/splitting remotes

autoload/flog/git.vim

@@ -34,3 +34,23 @@ function! flog#git#GetRefs() abort
 
   return flog#shell#Run(l:cmd) + ['HEAD', 'FETCH_HEAD', 'ORIG_HEAD']
 endfunction
+
+function! flog#git#GetRemotes() abort
+  let l:cmd = flog#fugitive#GetGitCommand()
+  let l:cmd .= ' remote -v'
+
+  let l:remotes = flog#shell#Run(l:cmd)
+
+  return uniq(sort(map(l:remotes, 'substitute(v:val, "\t.*$", "", "")')))
+endfunction
+
+function! flog#git#SplitRemote(ref, remotes) abort
+  for l:remote in a:remotes
+    let l:len = len(l:remote)
+    if a:ref[ : l:len - 1] ==# l:remote
+      return [l:remote, a:ref[l:len + 1 : ]]
+    endif
+  endfor
+
+  return ['', a:ref]
+endfunction

autoload/flog/state.vim

@@ -160,24 +160,13 @@ endfunction
 function! flog#state#GetCommitRefs(commit) abort
   let l:refs = []
 
-  let l:remotes = flog#shell#Run(flog#fugitive#GetGitCommand() . ' remote -v')
-  let l:remotes = uniq(map(l:remotes, 'substitute(v:val, "\t.*$", "", "")'))
+  let l:remotes = flog#git#GetRemotes()
 
   for l:ref in split(a:commit.refs, ', ')
     let l:match = matchlist(l:ref, '\v^(([^ ]+) -\> )?(tag: )?((refs/.{-}/)?(.*))')
 
     let l:path = l:match[6]
-    let l:tail = l:path
-    let l:remote = ''
-
-    " Match path with remote
-    for l:remote_match in l:remotes
-      if l:path[ : len(l:remote_match) - 1] ==# l:remote_match
-        let l:remote = l:remote_match
-        let l:tail = l:path[len(l:remote_match) + 1 : ]
-        break
-      endif
-    endfor
+    let [l:remote, l:tail] = flog#git#SplitRemote(l:path, l:remotes)
 
     " orig: The name of the original path, ex. "HEAD"
     " tag: Whether the ref is a tag