add and remove tags

autoload/denote/frontmatter.vim

@@ -76,3 +76,12 @@ function denote#frontmatter#setTitle(filename, title)
 	call map(l:frontmatter, { _, v -> substitute(v, '^#\?+\?title:\?\s*"\?\zs.\{-\}\ze\"\?$', a:title, '')})
 	call setbufline(a:filename, 1, l:frontmatter)
 endfunction
+
+" Set tags in front matter
+function denote#frontmatter#setTags(filename, tags)
+	let l:frontmatter = s:getFrontmatter(a:filename)
+	let l:tagline = denote#frontmatter#new(fnamemodify(a:filename, ':t'), '', '', a:tags)
+				\ ->filter('v:val =~ "^\\(#+file\\)\\?tags"')[0]
+	call map(l:frontmatter, { _, v -> v =~ '^\(#+file\)\?tags' ? l:tagline : v})
+	call setbufline(a:filename, 1, l:frontmatter)
+endfunction

autoload/denote/ft.vim

@@ -43,5 +43,7 @@ function denote#ft#qf()
 	" Denote-list specific configuration
 	if l:context['denote'] == 'list'
 		command! -nargs=1 -range -buffer DenoteSetTitle :call denote#notes#settitle(<line1>, <q-args>)
+		command! -nargs=1 -range -buffer DenoteTagAdd :call denote#notes#tagmod(<line1>, <line2>, <q-args>, v:true)
+		command! -nargs=1 -range -buffer DenoteTagRm :call denote#notes#tagmod(<line1>, <line2>, <q-args>, v:false)
 	endif
 endfunction

autoload/denote/loclist.vim

@@ -81,9 +81,9 @@ endfunction
 function denote#loclist#reload()
 	let l:context = getloclist(0, {'context': 1})['context']
 	if has_key(l:context, 'denote') && has_key(l:context, 'gfun')
-		execute ':lclose'
+		exe 'lclose'
 		call l:context['gfun']()
-		execute ':lwindow'
+		exe 'lwindow'
 	endif
 endfunction
 

autoload/denote/notes.vim

@@ -21,7 +21,7 @@ endfunction
 function denote#notes#grep(re)
 	let l:title = 'Grep results for: ' .. a:re
 	let l:fpat=map(copy(g:denote_note_file_extensions), {_, e -> g:denote_directory .. '/*.' .. e})->join()
-	execute 'silent! lvimgrep ' .. a:re .. ' ' .. l:fpat
+	exe 'silent! lvimgrep ' .. a:re .. ' ' .. l:fpat
 	let l:Gfun = function('denote#notes#grep', [a:re])
 	call denote#loclist#setgrep(l:title, l:Gfun)
 endfunction
@@ -34,7 +34,7 @@ function denote#notes#new(title, ft=g:denote_new_ft)
 	" Jump to window this location list belongs to
 	call denote#loclist#jumptowindow()
 	" Open file and write front matter
-	execute 'edit ' l:fn
+	exe 'edit ' l:fn
 	call setline(1, denote#frontmatter#new(a:ft, l:identifier, a:title))
 endfunction
 
@@ -64,7 +64,9 @@ function denote#notes#settitle(linenr, title)
 		exe 'silent file ' .. l:newfilename
 		exe 'silent w'
 		exe 'lopen'
+		if fnamemodify(l:filename, ':t') != fnamemodify(l:newfilename, ':t')
 			call delete(l:filename)
+		endif
 	else
 		if fnamemodify(l:filename, ':t') == fnamemodify(l:newfilename, ':t')
 			return
@@ -72,3 +74,51 @@ function denote#notes#settitle(linenr, title)
 		call rename(l:filename, l:newfilename)
 	endif
 endfunction
+
+" Function to add or remove a tag to the selected entries. The last argument
+" a:add, is set to v:true to add, and v:false to remove.
+function denote#notes#tagmod(line1, line2, tag, add)
+	" Get file first!
+	let l:items = getloclist(0, {'items': 1})['items']
+	if empty(l:items)
+		return
+	endif
+	for i in range(a:line1, a:line2)
+		let l:item = l:items[i-1]
+		let l:bufnr = l:item['bufnr']
+		let l:filename = bufname(l:bufnr)
+		let l:noteid = denote#meta#noteIdFromFile(l:filename)
+		let l:notetags = denote#meta#noteTagsFromFile(l:filename)
+		let l:idx = index(l:notetags, a:tag)
+		if a:add
+			if l:idx >= 0
+				continue
+			endif
+			call add(l:notetags, a:tag)
+		else
+			if l:idx == -1
+				continue
+			endif
+			call remove(l:notetags, a:tag)
+		endif
+		let l:notesignature = denote#meta#noteSignatureFromFile(l:filename)
+		let l:title = denote#meta#noteTitleFromFile(l:filename)
+		let l:ext = fnamemodify(l:filename, ':e')
+		let l:newfilename = denote#meta#filename(l:ext, l:noteid, l:title, l:notetags, l:notesignature)
+		if index(g:denote_note_file_extensions, l:ext) >= 0
+			" Handle front matter
+			call denote#frontmatter#setTags(l:filename, l:notetags)
+			call denote#loclist#jumptowindow()
+			exe l:bufnr .. 'buf'
+			exe 'silent file ' .. l:newfilename
+			exe 'silent w'
+			exe 'lopen'
+			call delete(l:filename)
+		else
+			if fnamemodify(l:filename, ':t') == fnamemodify(l:newfilename, ':t')
+				return
+			endif
+			call rename(l:filename, l:newfilename)
+		endif
+	endfor
+endfunction