dependency graph
14 articles tagged dependency-graph.
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Cross-repo blast radius in nine public platform orgs: the most depended-on repo at Grafana isn't Grafana
Parsed cross-repo dependency edges across 1,297 repos in nine public platform orgs. One in four repos is load-bearing for a sibling. Top hub: 188 dependents.
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Blast radius in software engineering: what it is, how to measure it, how to contain it
Blast radius is really two measurements — the code radius your tests catch, and the artifact radius that crosses repos. In one org, 147 repos hit one module.
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Declared, inferred, registered: the three ways a tool knows a cross-repo dependency exists
Parsed vs inferred is a two-horse race that hides a third runner: registered. How declared, inferred, and registered dependency tools each know an edge exists.
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I counted every cross-repo edge in two real orgs. Not one was a code symbol.
I scanned Prometheus and Cloud Posse and counted every cross-repo edge. Infrastructure runs from 38% to 99.75% of the coupling. Code symbols: zero.
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Overmind shows you the blast radius in your running cloud. It can't show you the repos that were building on what you changed.
Overmind reads your live AWS, GCP and Kubernetes state to tell you whether a Terraform apply is safe. Riftmap parses source to tell you which other repositories consume what you are changing. Both call it "blast radius". They are not the same radius.
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Your senior engineer just left. Your bus factor was measuring the wrong thing.
A senior leaves and the code stays readable. What walks out is the cross-repo dependency map they held in their head — the part your bus factor, measured from commits, never counted.
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Your senior engineer just gave notice. Most of what they knew was in the repos all along.
Tribal knowledge is two different things wearing one name. The half everyone panics about losing was declared in your Terraform, your Dockerfiles, and your CI config the whole time.
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GitLab Orbit maps your whole SDLC. It still can't tell you what an infrastructure change will break.
GitLab Orbit is an excellent symbol-and-SDLC graph. It's also the clearest illustration yet of the one layer that kind of graph can't reach: the infrastructure dependencies running between your repositories.
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Monorepo vs polyrepo: the debate is measuring the wrong thing
Monorepo vs polyrepo is argued as a code-location debate. The real variable is whether "what depends on this" is queryable — and infrastructure never got a vote.
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Repo access was never the hard part
The multi-repo agent race is solving repository access. But access is plumbing — the cross-repo dependency graph is the part nobody upstream is parsing.
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Inferred context is not a dependency graph
An enterprise context engine makes your agent generate better code. A parsed dependency graph is the thing you gate a deploy on. Two jobs, two kinds of machinery, and why a confidence score is the wrong guarantee for the second one.
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Cross-repo context is in product docs. The graph is not.
The vocabulary moved into vendor docs in sixty days. The parser-derived cross-repo dependency graph it describes hasn't shipped in any AI coding product.
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What 208 kubernetes-sigs repos actually depend on
I scanned all 208 kubernetes-sigs repos with Riftmap. Here's the cross-repo dependency graph, including the 153 repos that import sigs.k8s.io/yaml.
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What 56 Prometheus repos actually depend on
I scanned all 56 repos in the Prometheus org with Riftmap. Here's the cross-repo dependency graph, including the 25 repos that import client_golang.