build-release-tarball: Override merge-base for full official releases.

tools/build-release-tarball

@@ -61,19 +61,16 @@ cd "$BASEDIR"
 git checkout-index -f -a --prefix "$OUTPUT_DIR/$prefix/"
 
 # Add the Git version information file
-./tools/cache-zulip-git-version
 if [[ "$version" =~ ^[0-9]+\.[0-9]+$ ]]; then
+    # We override the merge-base, to avoid having to push the commits before building the tarball.
+    OVERRIDE_MERGE_BASE="$version" ./tools/cache-zulip-git-version
     generated_version=$(head -n1 zulip-git-version)
-    base_version=$(head -n2 zulip-git-version | tail -n1)
     if [ "$generated_version" != "$version" ]; then
         echo "Version $version looks like a release version, but is not tagged yet!  Got $generated_version"
         exit 1
     fi
-    if [ "$base_version" != "$version" ]; then
-        remote="$(git config zulip.zulipRemote)" || remote=upstream
-        echo "Commit for $version have not been pushed to remote $remote -- 'branched from' reports $base_version, not $version"
-        exit 1
-    fi
+else
+    ./tools/cache-zulip-git-version
 fi
 mv zulip-git-version "$OUTPUT_DIR/$prefix/"
 

tools/cache-zulip-git-version

@@ -5,9 +5,13 @@ cd "$(dirname "$0")/.."
 remote="$(git config zulip.zulipRemote)" || remote=upstream
 {
     git describe --always --tags --match='[0-9]*'
-    branches="$(git for-each-ref --format='%(objectname)' "refs/remotes/$remote/main" "refs/remotes/$remote/*.x" "refs/remotes/$remote/*-branch")"
-    mapfile -t branches <<<"$branches"
-    if merge_base="$(git merge-base -- HEAD "${branches[@]}")"; then
-        git describe --always --tags --match='[0-9]*' -- "$merge_base"
+    if [ -z "${OVERRIDE_MERGE_BASE+x}" ]; then
+        branches="$(git for-each-ref --format='%(objectname)' "refs/remotes/$remote/main" "refs/remotes/$remote/*.x" "refs/remotes/$remote/*-branch")"
+        mapfile -t branches <<<"$branches"
+        if merge_base="$(git merge-base -- HEAD "${branches[@]}")"; then
+            git describe --always --tags --match='[0-9]*' -- "$merge_base"
+        fi
+    else
+        echo "$OVERRIDE_MERGE_BASE"
     fi
 } >zulip-git-version

tools/release

@@ -102,10 +102,6 @@ sleep 15
 
 git tag "$version"
 
-# Commits need to be pushed to the remote so that "branched from" is correct
-remote="$(git config zulip.zulipRemote)" || remote=upstream
-git push "$remote" "$branch:$branch"
-
 OUTPUT_DIR=$(mktemp -d)
 export OUTPUT_DIR
 
@@ -119,6 +115,9 @@ fi
 
 ./tools/upload-release "$TARBALL"
 
+# Push the commits
+remote="$(git config zulip.zulipRemote)" || remote=upstream
+git push "$remote" "$branch:$branch"
 git push "$remote" "$version"
 
 # Upload to Github