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Code Issues Projects Releases Wiki Activity

Better error handling in get-daml.sh (#1121)

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* Better error handling in get-daml.sh

* Use set -eu

* Review suggestions

* ORIGDIR is unused.
This commit is contained in:
A. F. Mota 2019-05-14 12:54:05 +02:00 committed by mergify[bot]
parent 186cf14729
commit f72fdf3552
1 changed files with 38 additions and 11 deletions
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49
daml-assistant/get-daml.sh
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@ -4,21 +4,24 @@
# SPDX-License-Identifier: Apache-2.0
#
# DAML is an open-source privacy-aware smart contract language.
# This script downloads and installs the DAML SDK on Linux and macOS.
# This will overwrite any existing installation in ~/.daml
# For more information please visit https://daml.com/ and https://docs.daml.com/
#
readonly ORIGDIR="$(pwd)"
cleanup () {
set -eu
cleanup() {
echo "$(tput setaf 3)FAILED TO INSTALL!$(tput sgr 0)"
cd $ORIGDIR
}
trap cleanup EXIT
readonly TMPDIR="$(mktemp -d)"
cd $TMPDIR
#
# Check if curl and tar are available.
#
if [ -x "$(command -v curl)" ]; then
MISSING=""
else
@ -36,14 +39,20 @@ if [ -n "$MISSING" ]; then
exit 1
fi
#
# Determine latest SDK version
#
echo "Determining latest SDK version..."
readonly VERSION="$(curl -sS https://github.com/digital-asset/daml/releases/latest | sed 's/^.*github.com\/digital-asset\/daml\/releases\/tag\/v//' | sed 's/".*$//')"
if [ -z "$VERSION" ] ; then
echo "Failed to determine latest SDK version."
exit 1
fi
echo "Latest SDK version is $VERSION."
echo "Determining latest DAML version..."
readonly VERSION="$(curl -s https://github.com/digital-asset/daml/releases/latest | sed 's/^.*github.com\/digital-asset\/daml\/releases\/tag\/v//' | sed 's/".*$//')"
echo "Latest DAML version is $VERSION."
#
# Determine operating system.
#
readonly OSNAME="$(uname -s)"
if [ "$OSNAME" = "Linux" ] ; then
OS="linux"
@ -55,12 +64,22 @@ else
exit 1
fi
#
# Download SDK tarball
#
readonly TARBALL="daml-sdk-$VERSION-$OS.tar.gz"
readonly URL="https://github.com/digital-asset/daml/releases/download/v$VERSION/$TARBALL"
echo "$(tput setaf 3)Downloading latest DAML SDK. This may take a while.$(tput sgr 0)"
curl -L $URL --output $TARBALL --progress-bar
if [ ! -f $TARBALL ] ; then
echo "Failed to download SDK tarball."
exit 1
fi
#
# Remove existing installation.
#
readonly DAML_HOME="$HOME/.daml"
if [ -d $DAML_HOME ] ; then
echo "Removing existing installation."
@ -68,12 +87,20 @@ if [ -d $DAML_HOME ] ; then
rm -rf $DAML_HOME
fi
#
# Extract and install SDK tarball.
#
echo "Extracting SDK release tarball."
mkdir -p $TMPDIR/sdk
tar xzf $TARBALL -C $TMPDIR/sdk --strip-components 1
$TMPDIR/sdk/install.sh
if [ ! -d $DAML_HOME ] ; then
exit 1
fi
cd $ORIGDIR
#
# Done.
#
trap - EXIT
echo "$(tput setaf 3)Successfully installed DAML.$(tput sgr 0)"