ci: complete release script

- Create tag, tarball, and test tarball
 - Print instructions for completing the release

ci/RELEASE.sh

@@ -5,25 +5,89 @@
 # This attempts to perform the different steps of the RELEASE.md
 # document automatically. It's not tested on other machines or
 # setups other than [ade]'s development VM.
-# 
+#
 # Assumes that the version in CMakeLists.txt has been bumped,
 # and that a release of that version is desired.
+#
+# None of the "update stuff" is done by this script; in preparation
+# for the release, you should have already done:
+#   - updating the version
+#   - pulling translations
+#   - updating the language list
+#   - switching to the right branch
 
 test -d .git || { echo "Not at top-level." ; exit 1 ; }
 test -d src/modules || { echo "No src/modules." ; exit 1 ; }
 
 which cmake > /dev/null 2>&1 || { echo "No cmake(1) available." ; exit 1 ; }
 
-rm -rf build
-mkdir build || { echo "Could not create build directory." ; exit 1 ; }
-( cd build && cmake .. && make -j4 ) || { echo "Could not perform test-build." ; exit 1 ; }
-( cd build && make test ) || { echo "Tests failed." ; exit 1 ; }
+### Build with default compiler
+#
+#
+BUILDDIR=$(mktemp -d --suffix=-build --tmpdir=.)
+rm -rf "$BUILDDIR"
+mkdir "$BUILDDIR" || { echo "Could not create build directory." ; exit 1 ; }
+( cd "$BUILDDIR" && cmake .. && make -j4 ) || { echo "Could not perform test-build." ; exit 1 ; }
+( cd "$BUILDDIR" && make test ) || { echo "Tests failed." ; exit 1 ; }
 
+### Build with clang
+#
+#
 if which clang++ > /dev/null 2>&1 ; then
-	# Do build again with clang
-	rm -rf build
-	mkdir build || { echo "Could not create build directory." ; exit 1 ; }
-	( cd build && CC=clang CXX=clang++ cmake .. && make -j4 ) || { echo "Could not perform test-build." ; exit 1 ; }
-	( cd build && make test ) || { echo "Tests failed." ; exit 1 ; }
+    # Do build again with clang
+    rm -rf "$BUILDDIR"
+    mkdir "$BUILDDIR" || { echo "Could not create build directory." ; exit 1 ; }
+    ( cd "$BUILDDIR" && CC=clang CXX=clang++ cmake .. && make -j4 ) || { echo "Could not perform test-build." ; exit 1 ; }
+    ( cd "$BUILDDIR" && make test ) || { echo "Tests failed." ; exit 1 ; }
 fi
 
+### Get version number for this release
+#
+#
+V=$( cd "$BUILDDIR" && make show-version | grep ^CALAMARES_VERSION | sed s/^[A-Z_]*=// )
+test -n "$V" || { echo "Could not obtain version." ; exit 1 ; }
+
+### Create signed tag
+#
+# This is the signing key ID associated with the GitHub account adriaandegroot,
+# which is used to create all "verified" tags in the Calamares repo.
+KEY_ID="128F00873E05AF1D"
+git tag -u "$KEY_ID" "v$V" || { echo "Could not sign tag v$V." ; exit 1 ; }
+
+### Create the tarball
+#
+#
+TAR_V="calamares-$V"
+TAR_FILE="$TAR_V.tar.gz"
+git archive -o "$TAR_FILE" --prefix "$TAR_V/" "v$V" || { echo "Could not create tarball." ; exit 1 ; }
+test -f "$TAR_FILE" || { echo "Tarball was not created." ; exit 1 ; }
+SHA256=$(sha256sum "$TAR_FILE" | cut -d" " -f1)
+
+### Build the tarball
+#
+#
+D=$(date +%Y%m%d-%H%M%S)
+TMPDIR=$(mktemp -d --suffix="-calamares-$D")
+test -d "$TMPDIR" || { echo "Could not create tarball-build directory." ; exit 1 ; }
+tar xzf "$TAR_FILE" -C "$TMPDIR" || { echo "Could not unpack tarball." ; exit 1 ; }
+test -d "$TMPDIR/$TAR_V" || { echo "Tarball did not contain source directory." ; exit 1 ; }
+( cd "$TMPDIR/$TAR_V" && cmake . && make -j4 && make test ) || { echo "Tarball build failed." ; exit 1 ; }
+
+### Cleanup
+#
+rm -rf "$BUILDDIR"  # From test-builds
+rm -rf "$TMPDIR"  # From tarball
+
+### Print subsequent instructions
+#
+#
+cat <<EOF
+# Next steps for this release:
+  git push --tags
+  gpg -s -u $KEY_ID --detach --armor $TAR_FILE  # Sign the tarball
+  # Upload tarball $TAR_FILE and the signature $TAR_FILE.asc
+  # Announce via https://github.com/calamares/calamares/releases/new
+  # SHA256: $SHA256
+EOF
+
+exit 0