Original bug ID: 5102
Reporter: @dbuenzli
Assigned to: @xclerc
Status: closed (set by @xavierleroy on 2015-12-11T18:08:14Z)
Resolution: fixed
Priority: normal
Severity: minor
Version: 3.12.0+beta1 or 3.12.0+rc1
Target version: 4.01.0+dev
Fixed in version: 4.00.2+dev
Category: -for ocamlbuild use https://github.com/ocaml/ocamlbuild/issues
Monitored by: @dbuenzli

Bug description

The %(name) syntax doesn't work when there's only %(name) used in ~prod see the examples below.

Thanks,

Daniel

Steps to reproduce

Bug (single %(file) in ~prod):

cat myocamlbuild.ml
open Ocamlbuild_plugin;;

dispatch begin function
| Before_rules ->
rule "test: %.test -> %"
~dep:"%(file).%(suff).test"
~prod: "%(file)"
begin fun env build ->
cp (env "%(file).%(suff).test") (env "%(file)")
end
| _ -> ()
end

touch file.suff.test
ocamlbuild -classic-display file
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
Exception Not_found.

No bug (more than one %(arg) in ~prod):

cat myocamlbuild.ml

cat myocamlbuild.ml
open Ocamlbuild_plugin;;

dispatch begin function
| Before_rules ->
rule "test: %.test -> %"
~dep:"%(file).%(suff).test"
~prod: "%(file).%(suff)"
begin fun env build ->
cp (env "%(file).%(suff).test") (env "%(file).%(suff)")
end
| _ -> ()
end

touch file.suff.test
ocamlbuild -classic-display file.suff
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
cp file.suff.test file.suff