shithub: shithub

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difftohtml: tidy up code

	use patterns instead of ifs
	factor code into user-defined function

--- a/shithub

+++ b/shithub

@@ -77,15 +77,16 @@

 fn difftohtml {

 	awk '

+	function printpre(id, text) { printf "<pre id='%s'>%s</pre>", id, text }

 	BEGIN { started = 0; diff = 0; }

 	/^---$/ { diff = 1; next }

-	/^diff .*$/ { if(diff && !started) started = 1; next }

-	/^\+\+\+ .*$/ { if(started) printf "<pre id='files'>%s</pre>\n", $0; next }

-	/^--- .*$/ { if(started) printf "<pre id='files'>%s</pre>\n", $0; next }

-	/^@@ .*$/ { if(started) printf "<pre id='sep'>%s</pre>\n", $0; next }

-	/^\+.*$/ { if(started) printf "<pre id='add'>%s</pre>\n", $0; next }

-	/^-.*$/ { if(started) printf "<pre id='del'>%s</pre>\n", $0; next }

-	{ if(started) { printf "<pre id=ctx> %s</pre>\n", substr($0, 2); } }

+	/^diff .*$/ && diff && !started { started = 1; next }

+	/^\+\+\+ .*$/ && started { printpre("files", $0); next }

+	/^--- .*$/ && started { printpre("files", $0); next }

+	/^@@ .*$/ && started { printpre("sep", $0); next }

+	/^\+.*$/ && started { printpre("add", $0); next }

+	/^-.*$/ && started { printpre("del", $0); next }

+	started { printpre("ctx", $0); next }

 	'

 }