aboutsummaryrefslogtreecommitdiff
path: root/src/nvim/ex_session.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/nvim/ex_session.c')
-rw-r--r--src/nvim/ex_session.c70
1 files changed, 42 insertions, 28 deletions
diff --git a/src/nvim/ex_session.c b/src/nvim/ex_session.c
index a37cad9f2d..ca07174543 100644
--- a/src/nvim/ex_session.c
+++ b/src/nvim/ex_session.c
@@ -338,14 +338,26 @@ static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int curr
// Edit the file. Skip this when ":next" already did it.
if (add_edit && (!did_next || wp->w_arg_idx_invalid)) {
- char *fname_esc =
- ses_escape_fname(ses_get_fname(wp->w_buffer, flagp), flagp);
- //
- // Load the file.
- //
- if (wp->w_buffer->b_ffname != NULL
- && (!bt_nofile(wp->w_buffer)
- || wp->w_buffer->terminal)) {
+ char *fname_esc = ses_escape_fname(ses_get_fname(wp->w_buffer, flagp), flagp);
+ if (bt_help(wp->w_buffer)) {
+ char *curtag = "";
+
+ // A help buffer needs some options to be set.
+ // First, create a new empty buffer with "buftype=help".
+ // Then ":help" will re-use both the buffer and the window and set
+ // the options, even when "options" is not in 'sessionoptions'.
+ if (0 < wp->w_tagstackidx && wp->w_tagstackidx <= wp->w_tagstacklen) {
+ curtag = (char *)wp->w_tagstack[wp->w_tagstackidx - 1].tagname;
+ }
+
+ if (put_line(fd, "enew | setl bt=help") == FAIL
+ || fprintf(fd, "help %s", curtag) < 0 || put_eol(fd) == FAIL) {
+ return FAIL;
+ }
+ } else if (wp->w_buffer->b_ffname != NULL
+ && (!bt_nofile(wp->w_buffer) || wp->w_buffer->terminal)) {
+ // Load the file.
+
// Editing a file in this buffer: use ":edit file".
// This may have side effects! (e.g., compressed or network file).
//
@@ -579,6 +591,24 @@ static int makeopens(FILE *fd, char_u *dirnow)
return FAIL;
}
+ // Put all buffers into the buffer list.
+ // Do it very early to preserve buffer order after loading session (which
+ // can be disrupted by prior `edit` or `tabedit` calls).
+ FOR_ALL_BUFFERS(buf) {
+ if (!(only_save_windows && buf->b_nwindows == 0)
+ && !(buf->b_help && !(ssop_flags & SSOP_HELP))
+ && buf->b_fname != NULL
+ && buf->b_p_bl) {
+ if (fprintf(fd, "badd +%" PRId64 " ",
+ buf->b_wininfo == NULL
+ ? (int64_t)1L
+ : (int64_t)buf->b_wininfo->wi_fpos.lnum) < 0
+ || ses_fname(fd, buf, &ssop_flags, true) == FAIL) {
+ return FAIL;
+ }
+ }
+ }
+
// the global argument list
if (ses_arglist(fd, "argglobal", &global_alist.al_ga,
!(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) {
@@ -614,7 +644,10 @@ static int makeopens(FILE *fd, char_u *dirnow)
// Similar to ses_win_rec() below, populate the tab pages first so
// later local options won't be copied to the new tabs.
FOR_ALL_TABS(tp) {
- if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL) {
+ // Use `bufhidden=wipe` to remove empty "placeholder" buffers once
+ // they are not needed. This prevents creating extra buffers (see
+ // cause of Vim patch 8.1.0829)
+ if (tp->tp_next != NULL && put_line(fd, "tabnew +setlocal\\ bufhidden=wipe") == FAIL) {
return FAIL;
}
}
@@ -792,25 +825,6 @@ static int makeopens(FILE *fd, char_u *dirnow)
return FAIL;
}
- // Now put the remaining buffers into the buffer list.
- // This is near the end, so that when 'hidden' is set we don't create extra
- // buffers. If the buffer was already created with another command the
- // ":badd" will have no effect.
- FOR_ALL_BUFFERS(buf) {
- if (!(only_save_windows && buf->b_nwindows == 0)
- && !(buf->b_help && !(ssop_flags & SSOP_HELP))
- && buf->b_fname != NULL
- && buf->b_p_bl) {
- if (fprintf(fd, "badd +%" PRId64 " ",
- buf->b_wininfo == NULL
- ? (int64_t)1L
- : (int64_t)buf->b_wininfo->wi_fpos.lnum) < 0
- || ses_fname(fd, buf, &ssop_flags, true) == FAIL) {
- return FAIL;
- }
- }
- }
-
//
// Wipe out an empty unnamed buffer we started in.
//