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-rw-r--r--src/nvim/fileio.c5
-rw-r--r--test/functional/ex_cmds/write_spec.lua38
2 files changed, 39 insertions, 4 deletions
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index c7870b9f69..c431f721dd 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -2688,7 +2688,6 @@ buf_write (
} else if ((bkc & BKC_AUTO)) { /* "auto" */
int i;
-# ifdef UNIX
/*
* Don't rename the file when:
* - it's a hard link
@@ -2699,9 +2698,7 @@ buf_write (
|| !os_fileinfo_link((char *)fname, &file_info)
|| !os_fileinfo_id_equal(&file_info, &file_info_old)) {
backup_copy = TRUE;
- } else
-# endif
- {
+ } else {
/*
* Check if we can create a file and set the owner/group to
* the ones from the original file.
diff --git a/test/functional/ex_cmds/write_spec.lua b/test/functional/ex_cmds/write_spec.lua
new file mode 100644
index 0000000000..d90b297ca8
--- /dev/null
+++ b/test/functional/ex_cmds/write_spec.lua
@@ -0,0 +1,38 @@
+-- Specs for :write
+
+local helpers = require('test.functional.helpers')
+local eq, eval, clear, write_file, execute, source =
+ helpers.eq, helpers.eval, helpers.clear, helpers.write_file,
+ helpers.execute, helpers.source
+
+describe(':write', function()
+ it('&backupcopy=auto preserves symlinks', function()
+ clear('set backupcopy=auto')
+ os.remove('test_bkc_file.txt')
+ os.remove('test_bkc_link.txt')
+ write_file('test_bkc_file.txt', 'content0')
+ execute("silent !ln -s test_bkc_file.txt test_bkc_link.txt")
+ source([[
+ edit test_bkc_link.txt
+ call setline(1, ['content1'])
+ write
+ ]])
+ eq(eval("['content1']"), eval("readfile('test_bkc_file.txt')"))
+ eq(eval("['content1']"), eval("readfile('test_bkc_link.txt')"))
+ end)
+
+ it('&backupcopy=no replaces symlink with new file', function()
+ clear('set backupcopy=no')
+ os.remove('test_bkc_file.txt')
+ os.remove('test_bkc_link.txt')
+ write_file('test_bkc_file.txt', 'content0')
+ execute("silent !ln -s test_bkc_file.txt test_bkc_link.txt")
+ source([[
+ edit test_bkc_link.txt
+ call setline(1, ['content1'])
+ write
+ ]])
+ eq(eval("['content0']"), eval("readfile('test_bkc_file.txt')"))
+ eq(eval("['content1']"), eval("readfile('test_bkc_link.txt')"))
+ end)
+end)