Vim-plug: 'tag': '*' cause post-update hook to be called even when there's no update

[oblitum]

I use Plug 'fatih/vim-go', {'tag': '*', 'do': function('PlugRemotePlugins')}, to update vim-go only on new tags, but that setting causes the do hook to be called on every :PlugUpdate.

---

VIM - Vi IMproved 8.1 (2018 May 18, compiled Dec  8 2018 11:23:48)
Included patches: 1-570
Compiled by Arch Linux
Huge version with GTK3 GUI.  Features included (+) or not (-):
+acl               +cindent           +cursorshape       +file_in_path      +jumplist          +mksession         +mouse_xterm       +printer           +startuptime       +termresponse      +viminfo           +xterm_clipboard
+arabic            +clientserver      +dialog_con_gui    +find_in_path      +keymap            +modify_fname      +multi_byte        +profile           +statusline        +textobjects       +vreplace          -xterm_save
+autocmd           +clipboard         +diff              +float             +lambda            +mouse             +multi_lang        +python/dyn        -sun_workshop      +timers            +wildignore
+autochdir         +cmdline_compl     +digraphs          +folding           +langmap           +mouseshape        -mzscheme          +python3/dyn       +syntax            +title             +wildmenu
-autoservername    +cmdline_hist      +dnd               -footer            +libcall           +mouse_dec         +netbeans_intg     +quickfix          +tag_binary        +toolbar           +windows
+balloon_eval      +cmdline_info      -ebcdic            +fork()            +linebreak         +mouse_gpm         +num64             +reltime           +tag_old_static    +user_commands     +writebackup
+balloon_eval_term +comments          +emacs_tags        +gettext           +lispindent        -mouse_jsbterm     +packages          +rightleft         -tag_any_white     +vartabs           +X11
+browse            +conceal           +eval              -hangul_input      +listcmds          +mouse_netterm     +path_extra        +ruby/dyn          +tcl/dyn           +vertsplit         -xfontset
++builtin_terms    +cryptv            +ex_extra          +iconv             +localmap          +mouse_sgr         +perl/dyn          +scrollbind        +termguicolors     +virtualedit       +xim
+byte_offset       +cscope            +extra_search      +insert_expand     +lua/dyn           -mouse_sysmouse    +persistent_undo   +signs             +terminal          +visual            -xpm
+channel           +cursorbind        +farsi             +job               +menu              +mouse_urxvt       +postscript        +smartindent       +terminfo          +visualextra       +xsmp_interact
   system vimrc file: "/etc/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  system gvimrc file: "/etc/gvimrc"
    user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
       defaults file: "$VIMRUNTIME/defaults.vim"
    system menu file: "$VIMRUNTIME/menu.vim"
  fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -I/usr/include/gtk-3.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/libffi-3.2.1/include -I/usr/include/fribidi -I/usr/include/cairo
 -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/uuid -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/gio-unix-2.0 -I/usr/include/lib
drm -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include -pthread  -D_FORTIFY_SOURCE=2  -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt
 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: gcc   -L. -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E -Wl,-rpath,/usr/lib/perl5/5.28/core_perl/CORE  -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -L/usr/local/lib -
Wl,--as-needed -o vim   -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0  -lSM -lICE -lXt -lX11 -lXdmcp -lSM -lICE  -lm -ltinfo -lelf -lnsl    -lacl -lattr -
lgpm -ldl   -Wl,-E -Wl,-rpath,/usr/lib/perl5/5.28/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -fstack-protector-strong -L/usr/local/lib  -L/usr/lib/perl5/5.28/core_perl/CORE -lperl -lpthread -ldl -lm -lcrypt -lutil -lc
   -L/usr/lib -ltclstub8.6 -ldl -lz -lpthread -lm

• Type:
  
  
  
  • [x] Bug
  
  
  • [ ] Enhancement
  
  
  • [ ] Feature Request
  
  
  • [ ] Question
  
  
• OS:
  
  
  
  • [ ] All/Other
  
  
  • [x] Linux
  
  
  • [ ] OS X
  
  
  • [ ] Windows
  
  
• Vim:
  
  
  
  • [x] Terminal Vim
  
  
  • [x] GVim
  
  
  • [x] Neovim
  
  

[junegunn]

> cd ~/.vim/plugged/vim-go
> git reflog | head -2
8513feb HEAD@{0}: checkout: moving from master to v1.19
a61545f HEAD@{1}: merge origin/master: Fast-forward
> git checkout v1.19
HEAD is now at 8513feb update CHANGELOG.md for 1.19 release
> git reflog | head -2
8513feb HEAD@{0}: checkout: moving from master to v1.19
a61545f HEAD@{1}: merge origin/master: Fast-forward

> cd ~/.vim/plugged/fzf.vim
> git reflog | head -2
f0acabf HEAD@{0}: checkout: moving from master to master
f0acabf HEAD@{1}: merge origin/master: Fast-forward

It's a bug, can't think of an easy way to fix it now.