make-release

#!/bin/sh
set -euC;

RELEASE_DIR="release/";

# Copy the release artifacts to the release directory.
rm -rf "$RELEASE_DIR";
mkdir -p "$RELEASE_DIR";
cp src/user-mirror "$RELEASE_DIR";
cp src/image/entrypoint "$RELEASE_DIR";

# Attempt to set the version based off of the previous "release-x.x.x" tag.
# Otherwise, just use the current commit.
if last_release_tag="$(git describe --tags --abbrev=0 --match=release-*)" 2>/dev/null; then
    VERSION="$(echo "$last_release_tag" | cut -c 9-)-$(git rev-parse --short HEAD)";
else
    VERSION="$(git rev-parse HEAD)";
fi

# Create version file
printf "$VERSION" > "$RELEASE_DIR/version"

# Replace VERSION= in the scripts with the release version.
(cd "$RELEASE_DIR" && sed -i -e "s/VERSION='development';/VERSION='$VERSION';/" *);
if command -v shellcheck >/dev/null; then
    (cd "$RELEASE_DIR" && \
    grep -e '^#!/bin/sh' --exclude-dir=.git -lR | xargs shellcheck --shell=sh --severity=warning);
fi

echo "Release $VERSION generated in $RELEASE_DIR";