add sh.kak for shell script highlighting

2 files changed, 26 insertions, 1 deletions

diff --git a/src/Makefile b/src/Makefile
index 617c085c..b2b0ea14 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -23,6 +23,6 @@ XDG_CONFIG_HOME ?= $(HOME)/.config
 
 userconfig:
 	mkdir -p $(XDG_CONFIG_HOME)/kak/autoload
-	ln -s $(CURDIR)/rc/{asciidoc,client,cpp,diff,git,grep,kakrc,make}.kak $(XDG_CONFIG_HOME)/kak/autoload/
+	ln -s $(CURDIR)/rc/{asciidoc,client,cpp,diff,git,grep,kakrc,make,sh}.kak $(XDG_CONFIG_HOME)/kak/autoload/
 
 .PHONY: tags userconfig
diff --git a/src/rc/sh.kak b/src/rc/sh.kak
new file mode 100644
index 00000000..fb338dbd
--- /dev/null
+++ b/src/rc/sh.kak
@@ -0,0 +1,25 @@
+hook global BufCreate .*\.(sh) %{
+    setb filetype sh
+}
+
+hook global BufOpen .* %{ %sh{
+     mimetype="$(file -b --mime-type ${kak_bufname})"
+     if [[ "${mimetype}" == "text/x-shellscript" ]]; then
+         echo setb filetype sh;
+     fi
+} }
+
+hook global WinSetOption filetype=sh %~
+    addhl group sh-highlight
+    addhl -group sh-highlight regex \<(if|then|fi|while|for|do|done|case|esac|echo|cd|shift|return|exit|local)\> 0:keyword
+    addhl -group sh-highlight regex [\[\]\(\)&|]{2} 0:operator
+    addhl -group sh-highlight regex (\w+)= 1:identifier
+    addhl -group sh-highlight regex ^\h*(\w+)\h*\(\) 1:identifier
+    addhl -group sh-highlight regex "(^|\h)#.*?$" 0:comment
+    addhl -group sh-highlight regex (["'])(?:\\\1|.)*?\1 0:string
+    addhl -group sh-highlight regex \$(\w+|\{.+?\}) 0:identifier
+~
+
+hook global WinSetOption filetype=(?!sh).* %{
+    rmhl sh-highlight
+}