Replace JSON morphologies with YAML.

1 files changed, 287 insertions, 297 deletions

diff --git a/build-essential.morph b/build-essential.morph
index bd8859d4..f4708e3d 100644
--- a/build-essential.morph
+++ b/build-essential.morph
@@ -1,297 +1,287 @@
-{
-    "name": "build-essential",
-    "description": "Toolchain stratum",
-    "kind": "stratum",
-    "chunks": [
-        {
-            "name": "stage1-binutils",
-            "repo": "upstream:binutils-redhat",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": []
-        },
-        {
-            "name": "stage1-gcc",
-            "repo": "upstream:gcc-tarball",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils"
-            ]
-        },
-        {
-            "name": "stage2-linux-api-headers",
-            "repo": "upstream:linux",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc"
-            ]
-        },
-        {
-            "name": "stage2-eglibc",
-            "repo": "upstream:eglibc2",
-            "ref": "baserock/2.15-build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-linux-api-headers"
-            ]
-        },
-        {
-            "name": "stage2-binutils",
-            "repo": "upstream:binutils-redhat",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-eglibc"
-            ]
-        },
-        {
-            "name": "stage2-gcc",
-            "repo": "upstream:gcc-tarball",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-eglibc"
-            ]
-        },
-        {
-            "name": "stage2-busybox",
-            "repo": "upstream:busybox",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-eglibc"
-            ]
-        },
-        {
-            "name": "stage2-fhs-dirs",
-            "repo": "baserock:baserock/fhs-dirs",
-            "ref": "master",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": []
-        },
-        {
-            "name": "stage2-gawk",
-            "repo": "upstream:gawk",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-eglibc"
-            ]
-        },
-        {
-            "name": "stage2-make",
-            "repo": "upstream:make",
-            "ref": "baserock/build-essential",
-            "build-mode": "bootstrap",
-            "prefix": "/tools",
-            "build-depends": [
-                "stage1-binutils",
-                "stage1-gcc",
-                "stage2-eglibc"
-            ]
-        },
-        {
-            "name": "fhs-dirs",
-            "repo": "baserock:baserock/fhs-dirs",
-            "ref": "master",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make"
-            ]
-        },
-        {
-            "name": "linux-api-headers",
-            "repo": "upstream:linux",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make"
-            ]
-        },
-        {
-            "name": "eglibc",
-            "repo": "upstream:eglibc2",
-            "ref": "baserock/2.15-build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "linux-api-headers"
-            ]
-        },
-        {
-            "name": "zlib",
-            "repo": "upstream:zlib",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc"
-            ]
-        },
-        {
-            "name": "binutils",
-            "repo": "upstream:binutils-redhat",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc",
-                "zlib"
-            ]
-        },
-        {
-            "name": "busybox",
-            "repo": "upstream:busybox",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc"
-            ]
-        },
-        {
-            "name": "gawk",
-            "repo": "upstream:gawk",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc"
-            ]
-        },
-        {
-            "name": "gcc",
-            "repo": "upstream:gcc-tarball",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc",
-                "zlib"
-            ]
-        },
-        {
-            "name": "make",
-            "repo": "upstream:make",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc"
-            ]
-        },
-        {
-            "name": "ccache",
-            "repo": "upstream:ccache",
-            "ref": "baserock/build-essential",
-            "build-mode": "staging",
-            "prefix": "/usr",
-            "build-depends": [
-                "stage2-binutils",
-                "stage2-busybox",
-                "stage2-eglibc",
-                "stage2-fhs-dirs",
-                "stage2-gawk",
-                "stage2-gcc",
-                "stage2-linux-api-headers",
-                "stage2-make",
-                "eglibc",
-                "zlib"
-            ]
-        }
-    ]
-}
+name: build-essential
+description: Toolchain stratum
+kind: stratum
+
+chunks:
+    # Stage 1: build a minimal cross compiler with the host's tools.
+    #
+    # Starting with a cross compiler ensures that (a) nothing from the host
+    # can leak into the build-essential artifacts, and (b) cross-compiling
+    # build-essential is fully tested and supported, since we always use the
+    # cross code paths.
+
+    - name: stage1-binutils
+      repo: upstream:binutils-redhat
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends: []
+
+    - name: stage1-gcc
+      repo: upstream:gcc-tarball
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+
+    # Stage 2: cross-build the whole of build-essential, using the host's tools
+    # but the cross-compiler toolchain.
+    #
+    # Stage 2 GCC outputs code for the same 'bootstrap' machine as stage 1 GCC,
+    # but because stage 2 GCC is also built to *run* on the bootstrap machine
+    # it can only execute inside the stage 3 chroot (due to being built against
+    # a libc with a non-standard prefix).
+
+    - name: stage2-linux-api-headers
+      repo: upstream:linux
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+
+    - name: stage2-eglibc
+      repo: upstream:eglibc2
+      ref: baserock/2.15-build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-linux-api-headers
+
+    - name: stage2-binutils
+      repo: upstream:binutils-redhat
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-eglibc
+
+    - name: stage2-gcc
+      repo: upstream:gcc-tarball
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-eglibc
+
+    - name: stage2-busybox
+      repo: upstream:busybox
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-eglibc
+
+    - name: stage2-fhs-dirs
+      repo: baserock:baserock/fhs-dirs
+      ref: master
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends: []
+
+    - name: stage2-gawk
+      repo: upstream:gawk
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-eglibc
+
+    - name: stage2-make
+      repo: upstream:make
+      ref: baserock/build-essential
+      build-mode: bootstrap
+      prefix: /tools
+      build-depends:
+          - stage1-binutils
+          - stage1-gcc
+          - stage2-eglibc
+
+    # Stage 3: build the whole of build-essential again, this time using a
+    # staging area containing only the output of stage 2. The result of this
+    # build is fully reproducible.
+    #
+    # We do a switch-a-roo between stage 2 and 3: stages 2 chunks are all built
+    # to run on a host *-bootstrap-* while stage 3 chunks are native-built for
+    # a *-baserock-* machine. This works, because the cross build was all for
+    # show (and cleanliness) and the binaries actually still run on the host.
+    #
+    # After build-essential is built we do another trick. See
+    # stage2-fhs-dirs.morph for details. Basically, /bin is a symlink to
+    # /tools/bin during stage 2 but in stage 3 it becomes a real directory
+    # again.
+
+    - name: fhs-dirs
+      repo: baserock:baserock/fhs-dirs
+      ref: master
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+
+    - name: linux-api-headers
+      repo: upstream:linux
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+
+    - name: eglibc
+      repo: upstream:eglibc2
+      ref: baserock/2.15-build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - linux-api-headers
+
+    - name: zlib
+      repo: upstream:zlib
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+
+    - name: binutils
+      repo: upstream:binutils-redhat
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+          - zlib
+
+    - name: busybox
+      repo: upstream:busybox
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+
+    - name: gawk
+      repo: upstream:gawk
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+
+    - name: gcc
+      repo: upstream:gcc-tarball
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+          - zlib
+
+    - name: make
+      repo: upstream:make
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+
+    # Extras that need to be in build-essential but don't need bootstrapping.
+
+    - name: ccache
+      repo: upstream:ccache
+      ref: baserock/build-essential
+      build-mode: staging
+      prefix: /usr
+      build-depends:
+          - stage2-binutils
+          - stage2-busybox
+          - stage2-eglibc
+          - stage2-fhs-dirs
+          - stage2-gawk
+          - stage2-gcc
+          - stage2-linux-api-headers
+          - stage2-make
+          - eglibc
+          - zlib