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realm-js
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don't download/unpack core unnecessarily

This commit is contained in:
Ari Lazier 2016-03-06 08:20:04 -08:00
parent c062d88cce
commit 4e773d97fe
1 changed files with 45 additions and 19 deletions
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50
scripts/download-core.sh
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@ -5,26 +5,52 @@ set -o pipefail
: ${REALM_CORE_VERSION:=0.95.6} # set to "current" to always use the current build
echo "Downloading dependency: core ${REALM_CORE_VERSION}"
download_core() {
echo "Downloading dependency: core ${REALM_CORE_VERSION}"
TMP_DIR="$TMPDIR/core_bin"
mkdir -p "${TMP_DIR}"
CORE_TMP_TAR="${TMP_DIR}/core-${REALM_CORE_VERSION}.tar.bz2.tmp"
CORE_TAR="${TMP_DIR}/core-${REALM_CORE_VERSION}.tar.bz2"
TMP_DIR="$TMPDIR/core_bin"
mkdir -p "${TMP_DIR}"
CORE_TMP_TAR="${TMP_DIR}/core-${REALM_CORE_VERSION}.tar.bz2.tmp"
CORE_TAR="${TMP_DIR}/core-${REALM_CORE_VERSION}.tar.bz2"
if [ ! -f "${CORE_TAR}" ]; then
if [ ! -f "${CORE_TAR}" ]; then
curl -f -L -s "https://static.realm.io/downloads/core/realm-core-${REALM_CORE_VERSION}.tar.bz2" -o "${CORE_TMP_TAR}" ||
(echo "Downloading core failed. Please try again once you have an Internet connection." && exit 1)
mv "${CORE_TMP_TAR}" "${CORE_TAR}"
fi
else
echo "Using cached core from TEMPDIR"
fi
(
(
cd "${TMP_DIR}"
rm -rf core
tar xjf "${CORE_TAR}"
mv core core-${REALM_CORE_VERSION}
)
)
rm -rf core-${REALM_CORE_VERSION} core
mv ${TMP_DIR}/core-${REALM_CORE_VERSION} .
ln -s core-${REALM_CORE_VERSION} core
}
if [ -d core -a -d ../realm-core -a ! -L core ]; then
# Allow newer versions than expected for local builds as testing
# with unreleased versions is one of the reasons to use a local build
if ! $(grep -i "${REALM_CORE_VERSION} Release notes" core/release_notes.txt >/dev/null); then
echo "Local build of core is out of date."
exit 1
else
echo "The core library seems to be up to date."
fi
elif ! [ -L core ]; then
echo "core is not a symlink. Deleting..."
rm -rf core
download_core
# With a prebuilt version we only want to check the first non-empty
# line so that checking out an older commit will download the
# appropriate version of core if the already-present version is too new
elif ! $(grep -m 1 . core/release_notes.txt | grep -i "${REALM_CORE_VERSION} RELEASE NOTES" >/dev/null); then
download_core
else
echo "The core library seems to be up to date."
fi
rm -rf core-${REALM_CORE_VERSION} core
mv ${TMP_DIR}/core-${REALM_CORE_VERSION} .
ln -s core-${REALM_CORE_VERSION} core