patch 8.0.1708: mkdir with 'p' flag fails on existing directory
Problem: Mkdir with 'p' flag fails on existing directory, which is
different from the mkdir shell command.
Solution: Don't fail if the directory already exists. (James McCoy,
closes #2775)
diff --git a/src/testdir/test_eval_stuff.vim b/src/testdir/test_eval_stuff.vim
index 1222230..41ba137 100644
--- a/src/testdir/test_eval_stuff.vim
+++ b/src/testdir/test_eval_stuff.vim
@@ -25,3 +25,20 @@
let c5 = nr2char(screenchar(&lines, 5))
call assert_equal('wrong', c1 . c2 . c3 . c4 . c5)
endfunc
+
+func Test_mkdir_p()
+ call mkdir('Xmkdir/nested', 'p')
+ call assert_true(isdirectory('Xmkdir/nested'))
+ try
+ " Trying to make existing directories doesn't error
+ call mkdir('Xmkdir', 'p')
+ call mkdir('Xmkdir/nested', 'p')
+ catch /E739:/
+ call assert_report('mkdir(..., "p") failed for an existing directory')
+ endtry
+ " 'p' doesn't suppress real errors
+ call writefile([], 'Xfile')
+ call assert_fails('call mkdir("Xfile", "p")', 'E739')
+ call delete('Xfile')
+ call delete('Xmkdir', 'rf')
+endfunc