[ci] Expose updated OCAMLPATH for CI users.

This is needed for CI packages that use `META.coq` such as in
coq#7656 .

dev/ci/ci-common.sh

@@ -8,6 +8,7 @@ export NJOBS
 
 if [ -n "${GITLAB_CI}" ];
 then
+    export OCAMLPATH="$PWD/_install_ci/lib:$OCAMLPATH"
     export COQBIN="$PWD/_install_ci/bin"
     export CI_BRANCH="$CI_COMMIT_REF_NAME"
     if [[ ${CI_BRANCH#pr-} =~ ^[0-9]*$ ]]
@@ -27,6 +28,7 @@ else
         CI_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
         export CI_BRANCH
     fi
+    export OCAMLPATH="$PWD:$OCAMLPATH"
     export COQBIN="$PWD/bin"
 fi
 export PATH="$COQBIN:$PATH"

dev/ci/ci-pidetop.sh

@@ -12,13 +12,11 @@ git_checkout "${pidetop_CI_BRANCH}" "${pidetop_CI_GITURL}" "${pidetop_CI_DIR}"
 # `-local`. We need to improve this divergence but if we use Dune this
 # "local" oddity goes away automatically so not bothering...
 if [ -d "$COQBIN/../lib/coq" ]; then
-   COQOCAMLLIB="$COQBIN/../lib/"
    COQLIB="$COQBIN/../lib/coq/"
 else
-   COQOCAMLLIB="$COQBIN/../"
    COQLIB="$COQBIN/../"
 fi
 
-( cd "${pidetop_CI_DIR}" && OCAMLPATH="$COQOCAMLLIB" jbuilder build @install )
+( cd "${pidetop_CI_DIR}" && jbuilder build @install )
 
 echo -en '4\nexit' | "$pidetop_CI_DIR/_build/install/default/bin/pidetop" -coqlib "$COQLIB" -main-channel stdfds