remove old CI

build/opam-ci.sh

-#!/bin/bash
-set -e
-set -x
-## This script installs the build dependencies for CI builds.
-
-# Prepare OPAM configuration
-export OPAMROOT="$(pwd)/opamroot"
-export OPAMJOBS="$((2*$CPU_CORES))"
-export OPAM_EDITOR="$(which false)"
-
-# Make sure we got a good OPAM.
-test -d "$OPAMROOT" || (mkdir "$OPAMROOT" && opam init --no-setup -y)
-eval `opam conf env`
-
-# Make sure the pin for the builddep package is not stale.
-make build-dep/opam
-
-# Update repositories
-opam update
-
-# Make sure we got the right set of repositories registered
-if echo "$@" | fgrep "dev" > /dev/null; then
-    # We are compiling against a dev version of something.  Get ourselves the dev repositories.
-    test -d "$OPAMROOT/repo/coq-extra-dev" || opam repo add coq-extra-dev https://coq.inria.fr/opam/extra-dev -p 0
-    test -d "$OPAMROOT/repo/coq-core-dev" || opam repo add coq-core-dev https://coq.inria.fr/opam/core-dev -p 5
-else
-    # No dev version, make sure we do not have the dev repositories.
-    test -d "$OPAMROOT/repo/coq-extra-dev" && opam repo remove coq-extra-dev
-    test -d "$OPAMROOT/repo/coq-core-dev" && opam repo remove coq-core-dev
-fi
-test -d "$OPAMROOT/repo/coq-released" || opam repo add coq-released https://coq.inria.fr/opam/released -p 10
-test -d "$OPAMROOT/repo/iris-dev" || opam repo add iris-dev https://gitlab.mpi-sws.org/FP/opam-dev.git -p 20
-echo
-
-# We really want to run all of the following in one opam transaction, but due to opam limitations,
-# that is not currently possible.
-
-# Install fixed versions of some dependencies.
-echo
-while (( "$#" )); do # while there are arguments left
-    PACKAGE="$1" ; shift
-    KIND="$1" ; shift
-    VERSION="$1" ; shift
-
-    # Check if the pin is already set
-    read -a PIN <<< $(opam pin list | (egrep "^$PACKAGE[. ]"))
-    if [[ "${PIN[1]}" == "$KIND" && "${PIN[2]}" == "$VERSION" ]]; then
-        echo "[opam-ci] $PACKAGE already $KIND-pinned to $VERSION"
-    else
-        echo "[opam-ci] $KIND-pinning $PACKAGE to $VERSION"
-        opam pin add -y -k "$KIND" "$PACKAGE" "$VERSION"
-    fi
-done
-
-# Upgrade cached things.
-echo
-echo "[opam-ci] Upgrading opam"
-opam upgrade -y --fixup && opam upgrade -y
-
-# Install build-dependencies.
-echo
-echo "[opam-ci] Installing build-dependencies"
-make build-dep OPAMFLAGS=-y
-
-# done
-set +x
-echo
-coqc -v