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fix(installation): Provide a backup git reference when tag can't be curl 

closes #423

If the parsed JSON data curled during a bash installation is not valid, use the repository's tag files
as a backup. If those files don't exist somehow, then checkout the master branch and install it.
This commit is contained in:
Abdou Seck 2020-06-05 16:33:14 -04:00
parent 8ad5f9bf53
commit 9e4fb1009f
1 changed files with 20 additions and 2 deletions
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22
install.sh
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@ -102,12 +102,30 @@ Path=${1:-rustlings/}
echo "Cloning Rustlings at $Path..." echo "Cloning Rustlings at $Path..."
git clone -q https://github.com/rust-lang/rustlings $Path git clone -q https://github.com/rust-lang/rustlings $Path
cd $Path
Version=$(curl -s https://api.github.com/repos/rust-lang/rustlings/releases/latest | ${PY} -c "import json,sys;obj=json.load(sys.stdin);print(obj['tag_name']);") Version=$(curl -s https://api.github.com/repos/rust-lang/rustlings/releases/latest | ${PY} -c "import json,sys;obj=json.load(sys.stdin);print(obj['tag_name']);")
CargoBin="${CARGO_HOME:-$HOME/.cargo}/bin" CargoBin="${CARGO_HOME:-$HOME/.cargo}/bin"
if [[ -z ${Version} ]]
then
echo "The latest tag version could not be fetched remotely."
echo "Using the local git repository..."
Version=$(ls -tr .git/refs/tags/ | tail -1)
if [[ -z ${Version} ]]
then
echo "No valid tag version found"
echo "Rustlings will be installed using the master branch"
Version="master"
else
Version="tags/${Version}"
fi
else
Version="tags/${Version}"
fi
echo "Checking out version $Version..." echo "Checking out version $Version..."
cd $Path git checkout -q ${Version}
git checkout -q tags/$Version
echo "Installing the 'rustlings' executable..." echo "Installing the 'rustlings' executable..."
cargo install --force --path . cargo install --force --path .