diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt index 4bd8975583..6d4003caa9 100644 --- a/runtime/doc/builtin.txt +++ b/runtime/doc/builtin.txt @@ -1256,8 +1256,10 @@ executable({expr}) *executable()* This function checks if an executable with the name {expr} exists. {expr} must be the name of the program without any arguments. + executable() uses the value of $PATH and/or the normal - searchpath for programs. *PATHEXT* + searchpath for programs. + *PATHEXT* On MS-Windows the ".exe", ".bat", etc. can optionally be included. Then the extensions in $PATHEXT are tried. Thus if "foo.exe" does not exist, "foo.exe.bat" can be found. If @@ -1267,8 +1269,13 @@ executable({expr}) *executable()* then the name is also tried without adding an extension. On MS-Windows it only checks if the file exists and is not a directory, not if it's really executable. - On Windows an executable in the same directory as Vim is - always found (it is added to $PATH at |startup|). + On MS-Windows an executable in the same directory as the Vim + executable is always found (it's added to $PATH at |startup|). + *NoDefaultCurrentDirectoryInExePath* + On MS-Windows an executable in Vim's current working directory + is also normally found, but this can be disabled by setting + the $NoDefaultCurrentDirectoryInExePath environment variable. + The result is a Number: 1 exists 0 does not exist diff --git a/runtime/lua/vim/_meta/vimfn.lua b/runtime/lua/vim/_meta/vimfn.lua index 9cddf0e81f..62f9e0e702 100644 --- a/runtime/lua/vim/_meta/vimfn.lua +++ b/runtime/lua/vim/_meta/vimfn.lua @@ -1586,8 +1586,10 @@ function vim.fn.eventhandler() end --- This function checks if an executable with the name {expr} --- exists. {expr} must be the name of the program without any --- arguments. +--- --- executable() uses the value of $PATH and/or the normal ---- searchpath for programs. *PATHEXT* +--- searchpath for programs. +--- *PATHEXT* --- On MS-Windows the ".exe", ".bat", etc. can optionally be --- included. Then the extensions in $PATHEXT are tried. Thus if --- "foo.exe" does not exist, "foo.exe.bat" can be found. If @@ -1597,8 +1599,13 @@ function vim.fn.eventhandler() end --- then the name is also tried without adding an extension. --- On MS-Windows it only checks if the file exists and is not a --- directory, not if it's really executable. ---- On Windows an executable in the same directory as Vim is ---- always found (it is added to $PATH at |startup|). +--- On MS-Windows an executable in the same directory as the Vim +--- executable is always found (it's added to $PATH at |startup|). +--- *NoDefaultCurrentDirectoryInExePath* +--- On MS-Windows an executable in Vim's current working directory +--- is also normally found, but this can be disabled by setting +--- the $NoDefaultCurrentDirectoryInExePath environment variable. +--- --- The result is a Number: --- 1 exists --- 0 does not exist diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua index 0a003f3b84..825931938e 100644 --- a/src/nvim/eval.lua +++ b/src/nvim/eval.lua @@ -2059,8 +2059,10 @@ M.funcs = { This function checks if an executable with the name {expr} exists. {expr} must be the name of the program without any arguments. + executable() uses the value of $PATH and/or the normal - searchpath for programs. *PATHEXT* + searchpath for programs. + *PATHEXT* On MS-Windows the ".exe", ".bat", etc. can optionally be included. Then the extensions in $PATHEXT are tried. Thus if "foo.exe" does not exist, "foo.exe.bat" can be found. If @@ -2070,8 +2072,13 @@ M.funcs = { then the name is also tried without adding an extension. On MS-Windows it only checks if the file exists and is not a directory, not if it's really executable. - On Windows an executable in the same directory as Vim is - always found (it is added to $PATH at |startup|). + On MS-Windows an executable in the same directory as the Vim + executable is always found (it's added to $PATH at |startup|). + *NoDefaultCurrentDirectoryInExePath* + On MS-Windows an executable in Vim's current working directory + is also normally found, but this can be disabled by setting + the $NoDefaultCurrentDirectoryInExePath environment variable. + The result is a Number: 1 exists 0 does not exist diff --git a/src/nvim/os/fs.c b/src/nvim/os/fs.c index b681b2f832..d0da37b8e7 100644 --- a/src/nvim/os/fs.c +++ b/src/nvim/os/fs.c @@ -17,7 +17,6 @@ #endif #include "auto/config.h" -#include "nvim/errors.h" #include "nvim/os/fs.h" #include "nvim/os/os_defs.h" @@ -36,6 +35,7 @@ #include "nvim/api/private/helpers.h" #include "nvim/ascii_defs.h" +#include "nvim/errors.h" #include "nvim/gettext_defs.h" #include "nvim/globals.h" #include "nvim/log.h" @@ -356,10 +356,16 @@ static bool is_executable_in_path(const char *name, char **abspath) } #ifdef MSWIN - // Prepend ".;" to $PATH. - size_t pathlen = strlen(path_env); - char *path = memcpy(xmallocz(pathlen + 2), "." ENV_SEPSTR, 2); - memcpy(path + 2, path_env, pathlen); + char *path = NULL; + if (!os_env_exists("NoDefaultCurrentDirectoryInExePath")) { + // Prepend ".;" to $PATH. + size_t pathlen = strlen(path_env); + path = xmallocz(pathlen + 2); + memcpy(path, "." ENV_SEPSTR, 2); + memcpy(path + 2, path_env, pathlen); + } else { + path = xstrdup(path_env); + } #else char *path = xstrdup(path_env); #endif diff --git a/test/old/testdir/test_functions.vim b/test/old/testdir/test_functions.vim index 29bec72f2b..df4c6b1556 100644 --- a/test/old/testdir/test_functions.vim +++ b/test/old/testdir/test_functions.vim @@ -3578,6 +3578,24 @@ func Test_isabsolutepath() endif endfunc +" Test for exepath() +func Test_exepath() + if has('win32') + call assert_notequal(exepath('cmd'), '') + + let oldNoDefaultCurrentDirectoryInExePath = $NoDefaultCurrentDirectoryInExePath + call writefile(['@echo off', 'echo Evil'], 'vim-test-evil.bat') + let $NoDefaultCurrentDirectoryInExePath = '' + call assert_notequal(exepath("vim-test-evil.bat"), '') + let $NoDefaultCurrentDirectoryInExePath = '1' + call assert_equal(exepath("vim-test-evil.bat"), '') + let $NoDefaultCurrentDirectoryInExePath = oldNoDefaultCurrentDirectoryInExePath + call delete('vim-test-evil.bat') + else + call assert_notequal(exepath('sh'), '') + endif +endfunc + " Test for virtcol() func Test_virtcol() new