tendermint/scripts/dep_utils/checkout.sh

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#! /bin/bash
set -ex
set +u
if [[ "$DEP" == "" ]]; then
DEP=$GOPATH/src/github.com/tendermint/tendermint/Gopkg.lock
fi
set -u
set -u
function getVendoredVersion() {
grep -A100 "$LIB" "$DEP" | grep revision | head -n1 | grep -o '"[^"]\+"' | cut -d '"' -f 2
}
# fetch and checkout vendored dep
lib=$1
echo "----------------------------------"
echo "Getting $lib ..."
go get -t "github.com/tendermint/$lib/..."
VENDORED=$(getVendoredVersion "$lib")
cd "$GOPATH/src/github.com/tendermint/$lib" || exit
MASTER=$(git rev-parse origin/master)
if [[ "$VENDORED" != "$MASTER" ]]; then
echo "... VENDORED != MASTER ($VENDORED != $MASTER)"
echo "... Checking out commit $VENDORED"
git checkout "$VENDORED" &> /dev/null
fi