diff options
Diffstat (limited to 'src/nvim/ex_session.c')
-rw-r--r-- | src/nvim/ex_session.c | 70 |
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. // |