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alwinw/git_sync-upstream.sh

Last active April 26, 2020 02:05
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Git pull all branches from another remote and push them as their own group
Raw
git_sync-upstream.sh
#!/bin/sh
MIRROR_REPO=${MIRROR_REPO:-"origin"}
UPSTREAM_REMOTE=${UPSTREAM_REMOTE:-"upstream_remote"}
UPSTREAM_REMOTE_NAME=${UPSTREAM_REMOTE_NAME:-"upstream"}
UPSTREAM_REMOTE_URL=${UPSTREAM_REMOTE_URL:-"<alternate-remote.git>"}
echo "Pulling $UPSTREAM_REMOTE_URL"
git remote add "$UPSTREAM_REMOTE" "$UPSTREAM_REMOTE_URL"
git fetch "$UPSTREAM_REMOTE"
for branch in $(git ls-remote $UPSTREAM_REMOTE | grep -oP '(?<=refs/heads/).*'); do
echo "Fetching branch '$branch' and setting upstream to '$MIRROR_REPO/$UPSTREAM_REMOTE_NAME/$branch'"
git fetch "$UPSTREAM_REMOTE" "$branch:$UPSTREAM_REMOTE_NAME/$branch"
git push --set-upstream "$MIRROR_REPO" "$UPSTREAM_REMOTE_NAME/$branch:$UPSTREAM_REMOTE_NAME/$branch"
done
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