Add dupl and a dupl make target

.gitignore

@@ -7,3 +7,4 @@
 *.obj
 *.lzh
 .*.swp
+dupl.html

Makefile

@@ -3,6 +3,12 @@ all:
 	go generate ./...
 	go install ./...
 
+dupl:
+	find . -name '*.go' \
+		| grep -Fv .sql.go \
+		| go tool github.com/mibk/dupl -html -t 50 -files \
+		> dupl.html
+	xdg-open dupl.html
 
 # vim:ft=make
 #

go.mod

@@ -61,6 +61,7 @@ require (
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/mibk/dupl v1.0.0 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
@@ -113,4 +114,7 @@ require (
 	mvdan.cc/gofumpt v0.7.0 // indirect
 )
 
-tool github.com/sqlc-dev/sqlc/cmd/sqlc
+tool (
+	github.com/mibk/dupl
+	github.com/sqlc-dev/sqlc/cmd/sqlc
+)

go.sum

@@ -122,6 +122,8 @@ github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6T
 github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/mibk/dupl v1.0.0 h1:aZc3jqrF9n0tUHwHt/+jsRxA8cRgA0Gdl56M7W7PoqE=
+github.com/mibk/dupl v1.0.0/go.mod h1:pCr4pNxxIbFGvtyCOi0c7LVjmV6duhKWV+ex5vh38ME=
 github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
 github.com/mitchellh/copystructure v1.2.0/go.mod h1:qLl+cE2AmVv+CoeAwDPye/v+N2HKCj9FbZEVFJRxO9s=
 github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zxSIeXaQ=