Appends a semver build-metadata suffix to RADICLE_VERSION so `rad
--version` (and radicle-node/git-remote-rad, which share this build
script via symlink) unambiguously identify a binary as this fork
rather than upstream heartwood -- useful for checking what a deploy
target is actually running.
While wiring this up, found and fixed a real pre-existing bug: none
of the three `git` subprocess outputs captured here (GIT_HEAD,
RADICLE_VERSION, SOURCE_DATE_EPOCH) were trimmed, so each carried a
trailing newline into its `cargo::rustc-env=KEY=VALUE` directive.
Harmless on its own since nothing followed it, but appending the
+lfs-ipfs suffix landed after that embedded newline, splitting the
directive across two lines -- cargo silently discards the second
line as unrecognized, so the suffix never actually took effect until
this trim was added.
Also adds scripts/publish-package.sh: builds all four release
binaries (rad, radicle-node, git-remote-rad, rad-lfs-transfer) and
publishes them as a Forgejo generic package, so a deploy target
without a Rust toolchain can download instead of rebuilding from
source (see NOTES-lfs-store-note-write-bug.md's VPS deployment story
for why that matters).
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