huntedbytheirs
a8b53681fc
- Hand-written lexer + recursive-descent parser for .kap package definitions
- Package constructs: const, license, provides, outputs, patches, depends
(version-constrained, feature-gated, output-targeted), features (enabled/
forced/flag), config files (default/replace/merge with cfg interpolation),
env (?= soft-set), prepare/build/check/install phases
- Evaluator: recursive resolver for prefix, jobopts, destdir, userargs,
cfg.*, feature.*, package vars
- Comments: // single-line, /* */ multi-line
- /kappa/{bin,temp,db,system,system/builds} path layout
- Clang 22, C++23, CMake + vcpkg (tomlplusplus)
- .clangd + .clang-tidy configured
79 lines
2.1 KiB
Plaintext
79 lines
2.1 KiB
Plaintext
/*
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* foo — a web server with optional SSL and GUI support.
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* Demonstrates the full kappa DSL surface.
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*/
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package "foo" {
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const version = "1.2.3"
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const source = "https://example.com/foo-${version}.tar.gz"
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license = "MIT"
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provides = ["libfoo.so.1", "foo"]
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patches = [
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{
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url = "https://example.com/fix-build.patch"
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sha256 = "abc123def456"
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level = 1
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},
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"local-fix.patch" // local shorthand, no hash
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]
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outputs = ["bin", "lib", "dev"]
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depends = [
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{ name = "zlib", version = ">=1.2,<2.0" },
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{ name = "openssl", feature = "ssl" },
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{ name = "gtk", feature = "gui", version = ">=3" },
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"gettext:lib" // name:output shorthand
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]
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features {
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ssl = { enabled = true, flag = "--with-ssl-dir=${cfg.ssl_dir}" }
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gui = { enabled = false, flag = "--enable-gui" }
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drivers = { enabled = true, force = true }
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debug = false
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}
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config {
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// Written once, left alone on rebuild if the user edits it.
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file "etc/foo.conf" mode = "default" {
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hostname = ${cfg.hostname !} // required — user must set
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listen_port = ${cfg.port ? 8080} // optional, default 8080
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ssl_enabled = ${cfg.ssl ? true} // optional, default true
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}
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// Always overwritten on rebuild.
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file "etc/log.conf" mode = "replace" {
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log_level = ${cfg.log_level ? info}
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log_path = ${cfg.log_path ? /var/log/foo}
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}
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// Three-way diff on rebuild.
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file "etc/limits.conf" mode = "merge" {
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max_connections = ${cfg.max_conn ? 1024}
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}
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}
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env {
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CFLAGS = "-O2 -march=native"
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LDFLAGS = "-Wl,--as-needed"
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CFLAGS ?= "-g"
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}
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prepare {
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patch "fix-build.patch"
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}
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build {
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./configure --prefix=${prefix} ${feature.ssl} ${feature.gui}
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make -j${jobs}
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}
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check {
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make check
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}
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install {
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make DESTDIR=${destdir} install
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}
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}
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