Add a daml-sdk-head script. (#404)

dev-env/bin/daml-head

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+DAML_HEAD="$HOME/.daml-head"
+if [ -d $DAML_HEAD ] ; then
+    DAML_HOME=$DAML_HEAD $DAML_HEAD/bin/daml $@
+else
+    echo "daml-head is not installed"
+    echo "please run daml-sdk-head to install"
+fi

dev-env/bin/daml-sdk-head

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -eu
+
+# Make sure they are in the right repo
+readonly REPO_ROOT=$(bazel info workspace)
+if [[ "${REPO_ROOT}/dev-env/bin/daml-sdk-head" != "${BASH_SOURCE}" ]];
+then
+  echo "Repo root does not match the script being run."
+  echo "Make sure you run this script from a directory within the 'daml' repository "
+  exit 1
+fi
+
+# This is where we install the head version. Clean it up before we start.
+readonly DAML_HEAD="$HOME/.daml-head"
+if [ -d $DAML_HEAD ] ; then
+  chmod -R -P u+w $DAML_HEAD
+  rm -rf $DAML_HEAD
+fi
+
+echo "$(tput setaf 3)Building version 0.0.0 - this may take a while ...$(tput sgr 0)"
+echo ""
+
+function cleanup() {
+  echo "SDK 0.0.0 failed to build/install - if you need help ask on #team-daml"
+  echo "$(tput setaf 3)FAILED TO INSTALL! $(tput sgr 0)"
+}
+trap cleanup EXIT
+
+# Building here separately so the user can see the build process which could take a while
+bazel build //release:sdk-head-tarball.tar.gz
+
+readonly TARBALL=$(bazel info bazel-genfiles)/release/sdk-head-tarball.tar.gz
+readonly TMPDIR=$(mktemp -d)
+mkdir -p $TMPDIR/sdk-head
+
+tar xzf $TARBALL -C $TMPDIR/sdk-head --strip-components 1
+echo $DAML_HEAD
+DAML_HOME=$DAML_HEAD $TMPDIR/sdk-head/install.sh --quiet
+
+trap - EXIT
+echo "$(tput setaf 3)Successfully installed DA SDK HEAD as version 0.0.0.$(tput sgr 0)"
+echo "Now use daml-head to use it."

release/BUILD.bazel

@@ -139,3 +139,39 @@ EOF
     """,
     visibility = ["//visibility:public"],
 )
+
+# Same as the above, but with head version 0.0.0.
+genrule(
+    name = "sdk-head-tarball",
+    srcs = [
+        ":config.yaml.tmpl",
+        ":sdk-release-tarball.tar.gz",
+    ],
+    outs = ["sdk-head-tarball.tar.gz"],
+    cmd = """
+
+      VERSION=0.0.0
+      OUT=sdk-head
+      mkdir -p $$OUT
+      tar xf $(location sdk-release-tarball.tar.gz) --strip-components=1 -C $$OUT
+
+      cp $(location :config.yaml.tmpl) $$OUT/config.yaml
+      sed -i "s/__VERSION__/$$VERSION/" $$OUT/config.yaml
+
+      rm $$OUT/templates/quickstart-java/daml.yaml
+      cat > $$OUT/templates/quickstart-java/daml.yaml << EOF
+sdk-version: $$VERSION
+name: quickstart
+source: daml/Main.daml
+scenario: Main:setup
+parties:
+  - Alice
+  - Bob
+  - USD_Bank
+  - EUR_Bank
+EOF
+
+      tar zcf $(location sdk-head-tarball.tar.gz) --format=ustar $$OUT
+    """,
+    visibility = ["//visibility:public"],
+)

release/install.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
 # Copyright (c) 2019 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
-DIR="$(cd $(dirname $(readlink -f "$BASH_SOURCE[0]")); pwd)"
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 "$DIR/daml/daml" install "$DIR" --activate $@