vasilito
c843db2682
- Track base submodule pointer for output_level Warn console-quiet change. - Capture brush entry.rs redox edits (tokio current-thread runtime, default minimal input backend) as patches/brush-redox-runtime-and-input.patch and apply it in the recipe, so a clean source re-fetch keeps the Redox port.
85 lines
3.9 KiB
TOML
85 lines
3.9 KiB
TOML
[package]
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name = "brush"
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version = "0.1.0"
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[source]
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git = "https://github.com/reubeno/brush"
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[build]
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template = "custom"
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script = """
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# ---------------------------------------------------------------------------
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# RedBear Redox port for brush.
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#
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# brush pulls `nix` 0.31.x and `libc` 0.2.x, neither of which builds for Redox
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# as-is: upstream nix only partially cfg-enables Redox, and the `libc` crate's
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# Redox module omits several POSIX symbols that relibc actually provides. The
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# fixes live as reviewable unified diffs under patches/:
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#
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# patches/nix-0.31-redox.patch cfg-enable resource/Id/waitid/from_siginfo,
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# rlimit import + repr(i32), SaFlags width
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# casts, and pty for Redox.
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# patches/libc-0.2-redox.patch add idtype_t, P_*/CLD_*, rusage, getrusage
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# + waitid externs, siginfo child accessors.
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# patches/brush-umask-redox.patch mode_t is signed on Redox; use a cast
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# instead of u32::from (widening-only).
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# patches/brush-redox-runtime-and-input.patch use tokio current-thread
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# runtime on Redox (multi-thread build fails),
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# and default to the minimal input backend
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# (reedline/crossterm raw mode does not yet
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# work over the fbcon console scheme).
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#
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# Registry dependency sources are only unpacked during the build, so we run
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# `cargo fetch` first to materialise them, then patch. apply_patch is
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# idempotent (skips if already applied) but fails loudly if a patch does not
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# apply cleanly -- the intended signal that a version bump moved the code.
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# ---------------------------------------------------------------------------
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PATCHES="${COOKBOOK_RECIPE}/patches"
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# Materialise all dependency sources into the cargo registry before patching.
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cargo fetch --manifest-path "${COOKBOOK_SOURCE}/Cargo.toml"
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# Resolve the extracted registry directory for a crate whose Cargo.lock version
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# begins with the given prefix (brush may depend on several majors of the same
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# crate, e.g. nix 0.26 and 0.31; the patch targets one specific series).
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crate_dir() {
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local name="$1" prefix="$2" ver
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ver="$(awk -v n="name = \\"$1\\"" -v p="$2" '
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$0 == n { getline; gsub(/[^0-9.]/, "", $0);
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if (index($0, p) == 1) { print; exit } }
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' "${COOKBOOK_SOURCE}/Cargo.lock")"
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[ -n "$ver" ] || { echo "crate_dir: ${name} ${prefix}* not found in Cargo.lock" >&2; return 1; }
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local d
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for d in "${HOME}/.cargo/registry/src/"*/"${name}-${ver}"; do
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[ -d "$d" ] && { echo "$d"; return 0; }
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done
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echo "crate_dir: ${name}-${ver} not extracted" >&2
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return 1
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}
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# apply_patch <target_dir> <patch_file>: apply forward, or skip if the patch is
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# already applied (detected via a clean reverse dry-run). Any other failure is
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# fatal.
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apply_patch() {
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local dir="$1" patch="$2"
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if patch -p1 -R --dry-run -f -d "$dir" < "$patch" >/dev/null 2>&1; then
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echo "apply_patch: $(basename "$patch") already applied in $dir, skipping"
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return 0
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fi
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echo "apply_patch: applying $(basename "$patch") in $dir"
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patch -p1 -f -d "$dir" < "$patch"
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}
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apply_patch "$(crate_dir nix 0.31)" "${PATCHES}/nix-0.31-redox.patch"
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apply_patch "$(crate_dir libc 0.2)" "${PATCHES}/libc-0.2-redox.patch"
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apply_patch "${COOKBOOK_SOURCE}" "${PATCHES}/brush-umask-redox.patch"
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apply_patch "${COOKBOOK_SOURCE}" "${PATCHES}/brush-redox-runtime-and-input.patch"
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# The shell lives in the `brush-shell` package but its binary target is named
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# `brush` (see brush-shell/Cargo.toml `[[bin]] name = "brush"`), so
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# cookbook_cargo_packages (which copies a binary matching the package name)
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# cannot find it. Build the package explicitly and install the `brush` binary.
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bin_name="brush" bin_flags="--package brush-shell --bin brush" bin_final_name="brush" cookbook_cargo_build
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"""
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