3 files changed, 20 insertions, 2 deletions
diff --git a/dev/ci/appveyor.sh b/dev/ci/appveyor.sh
index c72705c7f7..7bf9ad8c9b 100644
--- a/dev/ci/appveyor.sh
+++ b/dev/ci/appveyor.sh
@@ -1,9 +1,15 @@
 #!/bin/bash
+
 set -e -x
+
+APPVEYOR_OPAM_SWITCH=4.06.1+mingw64c
+
 wget https://github.com/fdopen/opam-repository-mingw/releases/download/0.0.0.1/opam64.tar.xz
 tar -xf opam64.tar.xz
 bash opam64/install.sh
-opam init -a mingw https://github.com/fdopen/opam-repository-mingw.git --comp 4.02.3+mingw64c --switch 4.02.3+mingw64c
+
+opam init -a mingw https://github.com/fdopen/opam-repository-mingw.git --comp $APPVEYOR_OPAM_SWITCH --switch $APPVEYOR_OPAM_SWITCH
 eval "$(opam config env)"
-opam install -y ocamlfind camlp5 ounit
+opam install -y num ocamlfind camlp5 ounit
+
 cd "$APPVEYOR_BUILD_FOLDER" && ./configure -local && make && make byte && make -C test-suite all INTERACTIVE= && make validate
diff --git a/dev/ci/user-overlays/07099-ppedrot-unification-returns-option.sh b/dev/ci/user-overlays/07099-ppedrot-unification-returns-option.sh
new file mode 100644
index 0000000000..e6c48d10a6
--- /dev/null
+++ b/dev/ci/user-overlays/07099-ppedrot-unification-returns-option.sh
@@ -0,0 +1,4 @@
+if [ "$CI_PULL_REQUEST" = "7099" ] || [ "$CI_BRANCH" = "unification-returns-option" ]; then
+    Equations_CI_BRANCH=unification-returns-option
+    Equations_CI_GITURL=https://github.com/ppedrot/Coq-Equations
+fi
diff --git a/dev/ci/user-overlays/07495-gares-elpi-test-bug.sh b/dev/ci/user-overlays/07495-gares-elpi-test-bug.sh
new file mode 100644
index 0000000000..6939ead2ba
--- /dev/null
+++ b/dev/ci/user-overlays/07495-gares-elpi-test-bug.sh
@@ -0,0 +1,8 @@
+if [ "$CI_PULL_REQUEST" = "7495" ] || [ "$CI_BRANCH" = "fix-restrict" ]; then
+
+    # this branch contains a commit not present on coq-master that triggers
+    # the universe restriction bug #7472
+    Elpi_CI_BRANCH=overlay-7495
+    Elpi_CI_GITURL=https://github.com/LPCIC/coq-elpi.git
+
+fi