Enable gitlab travis

.gitlab/before_script/darwin/install_deps.sh

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+#!/bin/sh
+
+set -eux
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
+
+curl -sSfL https://gitlab.haskell.org/haskell/ghcup/-/raw/master/ghcup > ./ghcup-legacy
+chmod +x ghcup-legacy
+
+./ghcup-legacy install ${GHC_VERSION}
+./ghcup-legacy set ${GHC_VERSION}
+./ghcup-legacy install-cabal
+
+exit 0

.gitlab/before_script/linux/install_deps.sh

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+#!/bin/sh
+
+set -eux
+
+sudo apt-get update -y
+sudo apt-get install -y libnuma-dev zlib1g-dev libgmp-dev libgmp10 libssl-dev liblzma-dev
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../../ghcup_env"
+
+curl -sSfL https://gitlab.haskell.org/haskell/ghcup/-/raw/master/ghcup > ./ghcup-legacy
+chmod +x ghcup-legacy
+
+./ghcup-legacy install ${GHC_VERSION}
+./ghcup-legacy set ${GHC_VERSION}
+./ghcup-legacy install-cabal
+

.gitlab/ghcup_env

@@ -0,0 +1,3 @@
+export GHCUP_INSTALL_BASE_PREFIX="$CI_PROJECT_DIR"
+export PATH="$CI_PROJECT_DIR/.ghcup/bin:$CI_PROJECT_DIR/.local/bin:$PATH"
+

.gitlab/script/ghcup_version.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+
+set -eux
+
+. "$( cd "$(dirname "$0")" ; pwd -P )/../ghcup_env"
+
+mkdir -p "$CI_PROJECT_DIR"/.local/bin
+
+ecabal() {
+	cabal --store-dir="$(pwd)"/.store "$@"
+}
+
+
+# build
+ecabal update
+
+if [ "${OS}" = "DARWIN" ] ; then
+	ecabal build -fcurl
+else
+	ecabal build
+fi
+
+cp "$(ecabal new-exec --enable-tests --verbose=0 --offline sh -- -c 'command -v ghcup')" .
+cp "$(ecabal new-exec --enable-tests --verbose=0 --offline sh -- -c 'command -v ghcup-gen')" .
+
+
+# testing
+
+cp ./ghcup "$CI_PROJECT_DIR"/.local/bin/ghcup
+cp ./ghcup-gen "$CI_PROJECT_DIR"/.local/bin/ghcup-gen
+rm -rf "${GHCUP_INSTALL_BASE_PREFIX}"/.ghcup
+
+ghcup-gen check -f ghcup-${JSON_VERSION}.json
+
+ghcup numeric-version
+
+ghcup -v -c install ${GHC_VERSION}
+ghcup -v -c set ${GHC_VERSION}
+ghcup -v -c install-cabal
+
+cabal --version
+
+ghcup -v -c debug-info
+
+ghcup -v -c list
+ghcup -v -c list -t ghc
+ghcup -v -c list -t cabal
+
+ghc --version
+ghci --version
+ghc-$(ghc --numeric-version) --version
+ghci-$(ghc --numeric-version) --version
+
+ghcup -v upgrade
+ghcup -v upgrade -f
+
+ghcup -v rm $(ghc --numeric-version)
+