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-rw-r--r--src/nvim/fileio.c105
1 files changed, 59 insertions, 46 deletions
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index f28ee1bfcb..f5824d83be 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -405,6 +405,7 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
if (os_fileinfo((char *)fname, &file_info)) {
buf_store_file_info(curbuf, &file_info);
curbuf->b_mtime_read = curbuf->b_mtime;
+ curbuf->b_mtime_read_ns = curbuf->b_mtime_ns;
#ifdef UNIX
/*
* Use the protection bits of the original file for the swap file.
@@ -421,7 +422,9 @@ int readfile(char_u *fname, char_u *sfname, linenr_T from, linenr_T lines_to_ski
#endif
} else {
curbuf->b_mtime = 0;
+ curbuf->b_mtime_ns = 0;
curbuf->b_mtime_read = 0;
+ curbuf->b_mtime_read_ns = 0;
curbuf->b_orig_size = 0;
curbuf->b_orig_mode = 0;
}
@@ -2010,10 +2013,8 @@ static linenr_T readfile_linenr(linenr_T linecnt, char_u *p, char_u *endp)
return lnum;
}
-/*
- * Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary to be
- * equal to the buffer "buf". Used for calling readfile().
- */
+/// Fill "*eap" to force the 'fileencoding', 'fileformat' and 'binary' to be
+/// equal to the buffer "buf". Used for calling readfile().
void prep_exarg(exarg_T *eap, const buf_T *buf)
FUNC_ATTR_NONNULL_ALL
{
@@ -3318,7 +3319,7 @@ restore_backup:
if (end == 0
|| (lnum == end
&& (write_bin || !buf->b_p_fixeol)
- && (lnum == buf->b_no_eol_lnum
+ && ((write_bin && lnum == buf->b_no_eol_lnum)
|| (lnum == buf->b_ml.ml_line_count && !buf->b_p_eol)))) {
lnum++; // written the line, count it
no_eol = true;
@@ -3695,11 +3696,12 @@ nofail:
msg_puts_attr(_("don't quit the editor until the file is successfully written!"),
attr | MSG_HIST);
- /* Update the timestamp to avoid an "overwrite changed file"
- * prompt when writing again. */
+ // Update the timestamp to avoid an "overwrite changed file"
+ // prompt when writing again.
if (os_fileinfo((char *)fname, &file_info_old)) {
buf_store_file_info(buf, &file_info_old);
buf->b_mtime_read = buf->b_mtime;
+ buf->b_mtime_read_ns = buf->b_mtime_ns;
}
}
}
@@ -3893,8 +3895,7 @@ static void msg_add_eol(void)
static int check_mtime(buf_T *buf, FileInfo *file_info)
{
if (buf->b_mtime_read != 0
- && time_differs(file_info->stat.st_mtim.tv_sec,
- buf->b_mtime_read)) {
+ && time_differs(file_info, buf->b_mtime_read, buf->b_mtime_read_ns)) {
msg_scroll = true; // Don't overwrite messages here.
msg_silent = 0; // Must give this prompt.
// Don't use emsg() here, don't want to flush the buffers.
@@ -3908,19 +3909,17 @@ static int check_mtime(buf_T *buf, FileInfo *file_info)
return OK;
}
-/// Return true if the times differ
-///
-/// @param t1 first time
-/// @param t2 second time
-static bool time_differs(long t1, long t2) FUNC_ATTR_CONST
+static bool time_differs(const FileInfo *file_info, long mtime, long mtime_ns) FUNC_ATTR_CONST
{
+ return (long)file_info->stat.st_mtim.tv_nsec != mtime_ns
#if defined(__linux__) || defined(MSWIN)
- // On a FAT filesystem, esp. under Linux, there are only 5 bits to store
- // the seconds. Since the roundoff is done when flushing the inode, the
- // time may change unexpectedly by one second!!!
- return t1 - t2 > 1 || t2 - t1 > 1;
+ // On a FAT filesystem, esp. under Linux, there are only 5 bits to store
+ // the seconds. Since the roundoff is done when flushing the inode, the
+ // time may change unexpectedly by one second!!!
+ || (long)file_info->stat.st_mtim.tv_sec - mtime > 1
+ || mtime - (long)file_info->stat.st_mtim.tv_sec > 1;
#else
- return t1 != t2;
+ || (long)file_info->stat.st_mtim.tv_sec != mtime;
#endif
}
@@ -4900,13 +4899,11 @@ static int move_lines(buf_T *frombuf, buf_T *tobuf)
return retval;
}
-/*
- * Check if buffer "buf" has been changed.
- * Also check if the file for a new buffer unexpectedly appeared.
- * return 1 if a changed buffer was found.
- * return 2 if a message has been displayed.
- * return 0 otherwise.
- */
+/// Check if buffer "buf" has been changed.
+/// Also check if the file for a new buffer unexpectedly appeared.
+/// return 1 if a changed buffer was found.
+/// return 2 if a message has been displayed.
+/// return 0 otherwise.
int buf_check_timestamp(buf_T *buf)
FUNC_ATTR_NONNULL_ALL
{
@@ -4915,7 +4912,11 @@ int buf_check_timestamp(buf_T *buf)
char *mesg = NULL;
char *mesg2 = "";
bool helpmesg = false;
- bool reload = false;
+ enum {
+ RELOAD_NONE,
+ RELOAD_NORMAL,
+ RELOAD_DETECT
+ } reload = RELOAD_NONE;
bool can_reload = false;
uint64_t orig_size = buf->b_orig_size;
int orig_mode = buf->b_orig_mode;
@@ -4943,7 +4944,7 @@ int buf_check_timestamp(buf_T *buf)
if (!(buf->b_flags & BF_NOTEDITED)
&& buf->b_mtime != 0
&& (!(file_info_ok = os_fileinfo((char *)buf->b_ffname, &file_info))
- || time_differs(file_info.stat.st_mtim.tv_sec, buf->b_mtime)
+ || time_differs(&file_info, buf->b_mtime, buf->b_mtime_ns)
|| (int)file_info.stat.st_mode != buf->b_orig_mode)) {
const long prev_b_mtime = buf->b_mtime;
@@ -4968,7 +4969,7 @@ int buf_check_timestamp(buf_T *buf)
// If 'autoread' is set, the buffer has no changes and the file still
// exists, reload the buffer. Use the buffer-local option value if it
// was set, the global option value otherwise.
- reload = true;
+ reload = RELOAD_NORMAL;
} else {
if (!file_info_ok) {
reason = "deleted";
@@ -4999,7 +5000,9 @@ int buf_check_timestamp(buf_T *buf)
}
s = get_vim_var_str(VV_FCS_CHOICE);
if (STRCMP(s, "reload") == 0 && *reason != 'd') {
- reload = true;
+ reload = RELOAD_NORMAL;
+ } else if (STRCMP(s, "edit") == 0) {
+ reload = RELOAD_DETECT;
} else if (STRCMP(s, "ask") == 0) {
n = false;
} else {
@@ -5034,6 +5037,7 @@ int buf_check_timestamp(buf_T *buf)
// Only timestamp changed, store it to avoid a warning
// in check_mtime() later.
buf->b_mtime_read = buf->b_mtime;
+ buf->b_mtime_read_ns = buf->b_mtime_ns;
}
}
}
@@ -5062,9 +5066,15 @@ int buf_check_timestamp(buf_T *buf)
xstrlcat(tbuf, "\n", tbuf_len - 1);
xstrlcat(tbuf, mesg2, tbuf_len - 1);
}
- if (do_dialog(VIM_WARNING, (char_u *)_("Warning"), (char_u *)tbuf,
- (char_u *)_("&OK\n&Load File"), 1, NULL, true) == 2) {
- reload = true;
+ switch (do_dialog(VIM_WARNING, (char_u *)_("Warning"), (char_u *)tbuf,
+ (char_u *)_("&OK\n&Load File\nLoad File &and Options"),
+ 1, NULL, true)) {
+ case 2:
+ reload = RELOAD_NORMAL;
+ break;
+ case 3:
+ reload = RELOAD_DETECT;
+ break;
}
} else if (State > NORMAL_BUSY || (State & CMDLINE) || already_warned) {
if (*mesg2 != NUL) {
@@ -5098,9 +5108,9 @@ int buf_check_timestamp(buf_T *buf)
xfree(tbuf);
}
- if (reload) {
+ if (reload != RELOAD_NONE) {
// Reload the buffer.
- buf_reload(buf, orig_mode);
+ buf_reload(buf, orig_mode, reload == RELOAD_DETECT);
if (buf->b_p_udf && buf->b_ffname != NULL) {
char_u hash[UNDO_HASH_SIZE];
@@ -5118,13 +5128,11 @@ int buf_check_timestamp(buf_T *buf)
return retval;
}
-/*
- * Reload a buffer that is already loaded.
- * Used when the file was changed outside of Vim.
- * "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
- * buf->b_orig_mode may have been reset already.
- */
-void buf_reload(buf_T *buf, int orig_mode)
+/// Reload a buffer that is already loaded.
+/// Used when the file was changed outside of Vim.
+/// "orig_mode" is buf->b_orig_mode before the need for reloading was detected.
+/// buf->b_orig_mode may have been reset already.
+void buf_reload(buf_T *buf, int orig_mode, bool reload_options)
{
exarg_T ea;
pos_T old_cursor;
@@ -5139,11 +5147,15 @@ void buf_reload(buf_T *buf, int orig_mode)
// set curwin/curbuf for "buf" and save some things
aucmd_prepbuf(&aco, buf);
- // We only want to read the text from the file, not reset the syntax
- // highlighting, clear marks, diff status, etc. Force the fileformat and
- // encoding to be the same.
+ // Unless reload_options is set, we only want to read the text from the
+ // file, not reset the syntax highlighting, clear marks, diff status, etc.
+ // Force the fileformat and encoding to be the same.
+ if (reload_options) {
+ memset(&ea, 0, sizeof(ea));
+ } else {
+ prep_exarg(&ea, buf);
+ }
- prep_exarg(&ea, buf);
old_cursor = curwin->w_cursor;
old_topline = curwin->w_topline;
@@ -5262,6 +5274,7 @@ void buf_store_file_info(buf_T *buf, FileInfo *file_info)
FUNC_ATTR_NONNULL_ALL
{
buf->b_mtime = file_info->stat.st_mtim.tv_sec;
+ buf->b_mtime_ns = file_info->stat.st_mtim.tv_nsec;
buf->b_orig_size = os_fileinfo_size(file_info);
buf->b_orig_mode = (int)file_info->stat.st_mode;
}
generated by cgit (git 2.34.1) at 2025-07-23 19:17:00 +0000