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patch 8.0.1708: mkdir with 'p' flag fails on existing directory

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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)
This commit is contained in:
Bram Moolenaar
2018-04-14 13:51:55 +02:00
parent 98da6ecab9
commit 78a16b0f2a
4 changed files with 43 additions and 12 deletions
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2
runtime/doc/eval.txt
View File

@@ -6138,6 +6138,8 @@ mkdir({name} [, {path} [, {prot}]])
Example: >
:call mkdir($HOME . "/tmp/foo/bar", "p", 0700)
< This function is not available in the |sandbox|.
There is no error if the directory already exists and the "p"
flag is passed (since patch 8.0.1708).
Not available on all systems. To check use: >
:if exists("*mkdir")
<

34
src/evalfunc.c
View File

@@ -8057,22 +8057,32 @@ f_mkdir(typval_T *argvars, typval_T *rettv)
dir = get_tv_string_buf(&argvars[0], buf);
if (*dir == NUL)
rettv->vval.v_number = FAIL;
else
{
if (*gettail(dir) == NUL)
/* remove trailing slashes */
*gettail_sep(dir) = NUL;
return;
if (argvars[1].v_type != VAR_UNKNOWN)
if (*gettail(dir) == NUL)
/* remove trailing slashes */
*gettail_sep(dir) = NUL;
if (argvars[1].v_type != VAR_UNKNOWN)
{
if (argvars[2].v_type != VAR_UNKNOWN)
{
if (argvars[2].v_type != VAR_UNKNOWN)
prot = (int)get_tv_number_chk(&argvars[2], NULL);
if (prot != -1 && STRCMP(get_tv_string(&argvars[1]), "p") == 0)
mkdir_recurse(dir, prot);
prot = (int)get_tv_number_chk(&argvars[2], NULL);
if (prot == -1)
return;
}
if (STRCMP(get_tv_string(&argvars[1]), "p") == 0)
{
if (mch_isdir(dir))
{
/* With the "p" flag it's OK if the dir already exists. */
rettv->vval.v_number = OK;
return;
}
mkdir_recurse(dir, prot);
}
rettv->vval.v_number = prot == -1 ? FAIL : vim_mkdir_emsg(dir, prot);
}
rettv->vval.v_number = vim_mkdir_emsg(dir, prot);
}
#endif

17
src/testdir/test_eval_stuff.vim
View File

@@ -25,3 +25,20 @@ func Test_nocatch_restore_silent_emsg()
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

2
src/version.c
View File

@@ -762,6 +762,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1708,
/**/
1707,
/**/