patch 9.1.0734: filetype: jinja files are not recognized

Problem:  filetype: jinja files are not recognized
Solution: detect '*.jinja' files a jinja filetype,
          include jinja syntax script (Gregory Anders)

related: #15689

Signed-off-by: Gregory Anders <greg@gpanders.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/MAINTAINERS

@@ -480,6 +480,7 @@ runtime/syntax/j.vim			@glts
 runtime/syntax/jargon.vim		@h3xx
 runtime/syntax/java.vim			@zzzyxwvut
 runtime/syntax/javascript.vim		@fleiner
+runtime/syntax/jinja.vim		@gpanders
 runtime/syntax/jj.vim			@gpanders
 runtime/syntax/json.vim		        @vito-c
 runtime/syntax/jsonc.vim		@izhakjakov

runtime/filetype.vim

@@ -1183,6 +1183,9 @@ au BufNewFile,BufRead *.clp			setf jess
 " Jgraph
 au BufNewFile,BufRead *.jgr			setf jgraph
 
+" Jinja
+au BufNewFile,BufRead *.jinja			setf jinja
+
 " Jujutsu
 au BufNewFile,BufRead *.jjdescription		setf jj
 

runtime/syntax/jinja.vim

@@ -0,0 +1,86 @@
+" Vim syntax file
+" Language: Jinja
+" Maintainer: Gregory Anders
+" Upstream: https://gitlab.com/HiPhish/jinja.vim
+
+if exists('b:current_syntax')
+    finish
+endif
+
+syntax case match
+syntax sync fromstart
+
+" Jinja template built-in tags and parameters (without filter, macro, is and raw, they
+" have special threatment)
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained and if else in not or recursive as import
+
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained is filter skipwhite nextgroup=jinjaFilter
+syn keyword jinjaStatement containedin=jinjaTagBlock contained macro skipwhite nextgroup=jinjaFunction
+syn keyword jinjaStatement containedin=jinjaTagBlock contained block skipwhite nextgroup=jinjaBlockName
+
+" Variable Names
+syn match jinjaVariable containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn keyword jinjaSpecial containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained false true none False True None loop super caller varargs kwargs
+
+" Filters
+syn match jinjaOperator "|" containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained skipwhite nextgroup=jinjaFilter
+syn match jinjaFilter contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaFunction contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaBlockName contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template constants
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/"/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\"/ end=/"/
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/'/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\'/ end=/'/
+syn match jinjaNumber containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[0-9]\+\(\.[0-9]\+\)\?/
+
+" Operators
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[+\-*\/<>=!,:]/
+syn match jinjaPunctuation containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[()\[\]]/
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /\./ nextgroup=jinjaAttribute
+syn match jinjaAttribute contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template tag and variable blocks
+syn region jinjaNested matchgroup=jinjaOperator start="(" end=")" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="\[" end="\]" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="{" end="}" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaTagBlock matchgroup=jinjaTagDelim start=/{%-\?/ end=/-\?%}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+syn region jinjaVarBlock matchgroup=jinjaVarDelim start=/{{-\?/ end=/-\?}}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+" Jinja template 'raw' tag
+syn region jinjaRaw matchgroup=jinjaRawDelim start="{%\s*raw\s*%}" end="{%\s*endraw\s*%}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString,jinjaComment
+
+" Jinja comments
+syn region jinjaComment matchgroup=jinjaCommentDelim start="{#" end="#}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString
+
+" Block start keywords.  A bit tricker.  We only highlight at the start of a
+" tag block and only if the name is not followed by a comma or equals sign
+" which usually means that we have to deal with an assignment.
+syn match jinjaStatement containedin=jinjaTagBlock contained /\({%-\?\s*\)\@<=\<[a-zA-Z_][a-zA-Z0-9_]*\>\(\s*[,=]\)\@!/
+
+" and context modifiers
+syn match jinjaStatement containedin=jinjaTagBlock contained /\<with\(out\)\?\s\+context\>/
+
+hi def link jinjaPunctuation jinjaOperator
+hi def link jinjaAttribute jinjaVariable
+hi def link jinjaFunction jinjaFilter
+
+hi def link jinjaTagDelim jinjaTagBlock
+hi def link jinjaVarDelim jinjaVarBlock
+hi def link jinjaCommentDelim jinjaComment
+hi def link jinjaRawDelim jinja
+
+hi def link jinjaSpecial Special
+hi def link jinjaOperator Normal
+hi def link jinjaRaw Normal
+hi def link jinjaTagBlock PreProc
+hi def link jinjaVarBlock PreProc
+hi def link jinjaStatement Statement
+hi def link jinjaFilter Function
+hi def link jinjaBlockName Function
+hi def link jinjaVariable Identifier
+hi def link jinjaString Constant
+hi def link jinjaNumber Constant
+hi def link jinjaComment Comment
+
+let b:current_syntax = 'jinja'

src/testdir/test_filetype.vim

@@ -366,6 +366,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     javascriptreact: ['file.jsx'],
     jess: ['file.clp'],
     jgraph: ['file.jgr'],
+    jinja: ['file.jinja'],
     jj: ['file.jjdescription'],
     jq: ['file.jq'],
     jovial: ['file.jov', 'file.j73', 'file.jovial'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    734,
 /**/
     733,
 /**/