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[ostree] gnomeos: Starting to get something bootable with yocto

commit 5b70db8d6013a4ea2077f76eeadd30ec884d29ac
Author: Colin Walters <walters verbum org>
Date:   Tue Nov 15 10:44:03 2011 -0500

    gnomeos: Starting to get something bootable with yocto

 gnomeos/yocto/commit-yocto-build.sh                |   32 +++++++
 gnomeos/yocto/gnomeos-run.sh                       |   88 ++++++++++++++++++++
 gnomeos/yocto/make-gnomeos-fs.sh                   |   17 ++++
 gnomeos/yocto/recipies-core/gtk-doc/gtk-doc.bb     |   11 +++
 .../recipies-core/images/gnomeos-image-contents.bb |   80 ++++++++++++++++++
 .../yocto/recipies-core/images/gnomeos-image.bb    |   19 ----
 .../yocto/recipies-core/ostree-init/ostree-init.c  |   45 +++++++++--
 gnomeos/yocto/recipies-core/ostree/ostree.bb       |   13 +++
 8 files changed, 279 insertions(+), 26 deletions(-)
---
diff --git a/gnomeos/yocto/commit-yocto-build.sh b/gnomeos/yocto/commit-yocto-build.sh
new file mode 100755
index 0000000..d9ee3a5
--- /dev/null
+++ b/gnomeos/yocto/commit-yocto-build.sh
@@ -0,0 +1,32 @@
+# Copyright (C) 2011 Colin Walters <walters verbum org>
+#
+
+set -e
+set -x
+
+if test $(id -u) = 0; then
+    cat <<EOF
+This script should not be run as root.
+EOF
+    exit 1
+fi
+
+usage () {
+    echo "$0 OSTREE_REPO_PATH BINARY_TAR"
+    exit 1
+}
+
+OSTREE_REPO=$1
+test -n "$OSTREE_REPO" || usage
+shift
+BUILD_TAR=$1
+test -n "$BUILD_TAR" || usage
+shift
+
+tempdir=`mktemp -d tmp-commit-yocto-build.XXXXXXXXXX`
+cd $tempdir
+mkdir fs
+cd fs
+fakeroot -s ../fakeroot.db tar xf $BUILD_TAR
+fakeroot -i ../fakeroot.db ostree --repo=${OSTREE_REPO} commit -s "Build (need ostree git version here)" -b gnomeos-base
+rm -rf $tempdir
diff --git a/gnomeos/yocto/gnomeos-run.sh b/gnomeos/yocto/gnomeos-run.sh
new file mode 100755
index 0000000..b9b750e
--- /dev/null
+++ b/gnomeos/yocto/gnomeos-run.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+# -*- indent-tabs-mode: nil; -*-
+# Run built image in QEMU 
+#
+# Copyright (C) 2011 Colin Walters <walters verbum org>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+set -e
+set -x
+
+SRCDIR=`dirname $0`
+WORKDIR=`pwd`
+
+if test $(id -u) != 0; then
+    cat <<EOF
+This script should be run as root.
+EOF
+    exit 1
+fi
+
+usage () {
+    echo "$0 OSTREE_REPO_PATH"
+    exit 1
+}
+
+OSTREE_REPO=$1
+shift
+test -n "$OSTREE_REPO" || usage
+
+OBJ=gnomeos-fs.img
+if (! test -f ${OBJ}); then
+    rm -f ${OBJ}.tmp
+    qemu-img create ${OBJ}.tmp 2G
+    mkfs.ext3 -q -F ${OBJ}.tmp
+    mkdir -p fs
+    umount fs || true
+    mount -o loop ${OBJ}.tmp fs
+
+    cd fs
+
+    TOPROOT_BIND_MOUNTS="home root tmp"
+    
+    for d in $TOPROOT_BIND_MOUNTS; do
+        mkdir -m 0755 $d
+    done
+    chmod a=rwxt tmp
+
+    mkdir ostree
+    mkdir -p -m 0755 ./ostree/var/{log,run,tmp,spool}
+    cd ostree
+    mkdir repo
+    rev=$(ostree --repo=${OSTREE_REPO} rev-parse gnomeos-base);
+    ostree --repo=${OSTREE_REPO} checkout ${rev} gnomeos-base-${rev}
+    ln -s gnomeos-base-${rev} current
+    cd ..
+
+    mkdir proc # needed for ostree-init
+    cp -a ./ostree/current/usr/sbin/ostree-init .
+
+    cd ${WORKDIR}
+    
+    umount fs
+    mv ${OBJ}.tmp ${OBJ}
+fi
+
+ARGS="$@"
+if ! [ echo $ARGS | grep -q 'init=']; then
+    ARGS="init=/ostree-init $ARGS"
+fi
+if ! [ echo $ARGS | grep -q 'root=']; then
+    ARGS="root=/dev/hda $ARGS"
+fi
+
+exec qemu-kvm -kernel ./tmp/deploy/images/bzImage-qemux86.bin -hda gnomeos-fs.img -append "$ARGS"
diff --git a/gnomeos/yocto/make-gnomeos-fs.sh b/gnomeos/yocto/make-gnomeos-fs.sh
new file mode 100755
index 0000000..757189f
--- /dev/null
+++ b/gnomeos/yocto/make-gnomeos-fs.sh
@@ -0,0 +1,17 @@
+# Copyright (C) 2011 Colin Walters <walters verbum org>
+#
+
+set -e
+set -x
+
+if test $(id -u) = 0; then
+    cat <<EOF
+This script should not be run as root.
+EOF
+    exit 1
+fi
+
+
+mkdir gnomeos-fs
+cd gnomeos-fs
+
diff --git a/gnomeos/yocto/recipies-core/gtk-doc/gtk-doc.bb b/gnomeos/yocto/recipies-core/gtk-doc/gtk-doc.bb
new file mode 100644
index 0000000..c0180ce
--- /dev/null
+++ b/gnomeos/yocto/recipies-core/gtk-doc/gtk-doc.bb
@@ -0,0 +1,11 @@
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://COPYING-DOCS;md5=18ba770020b624031bc7c8a7b055d776"
+
+DEPENDS = "perl-native"
+
+SRC_URI = "git://git.gnome.org/gtk-doc;tag=GTK_DOC_1_18"
+S = "${WORKDIR}/git"
+
+inherit autotools gettext
+
+BBCLASSEXTEND = "native"
diff --git a/gnomeos/yocto/recipies-core/images/gnomeos-image-contents.bb b/gnomeos/yocto/recipies-core/images/gnomeos-image-contents.bb
new file mode 100644
index 0000000..fefda5a
--- /dev/null
+++ b/gnomeos/yocto/recipies-core/images/gnomeos-image-contents.bb
@@ -0,0 +1,80 @@
+#
+# Copyright (C) 2011 Colin Walters <walters verbum org>
+#
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3b58 \
+                    file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+inherit rootfs_${IMAGE_PKGTYPE}
+
+PACKAGE_INSTALL = "task-core-boot task-base-extended \
+		   ostree ostree-init"
+RDEPENDS += "${PACKAGE_INSTALL}"
+DEPENDS += "virtual/fakeroot-native"
+
+EXCLUDE_FROM_WORLD = "1"
+
+do_rootfs[nostamp] = "1"
+do_rootfs[dirs] = "${TOPDIR}"
+do_rootfs[lockfiles] += "${IMAGE_ROOTFS}.lock"
+do_build[nostamp] = "1"
+do_rootfs[umask] = 022
+
+# Must call real_do_rootfs() from inside here, rather than as a separate
+# task, so that we have a single fakeroot context for the whole process.
+fakeroot do_rootfs () {
+        set -x
+	rm -rf ${IMAGE_ROOTFS}
+	rm -rf ${MULTILIB_TEMP_ROOTFS}
+	mkdir -p ${IMAGE_ROOTFS}
+	mkdir -p ${DEPLOY_DIR_IMAGE}
+
+	rootfs_${IMAGE_PKGTYPE}_do_rootfs
+
+	echo "GNOME OS Unix login" > ${IMAGE_ROOTFS}/etc/issue
+
+	TOPROOT_BIND_MOUNTS="home root tmp"
+	OSTREE_BIND_MOUNTS="var"
+	OSDIRS="dev proc mnt media sys sysroot"
+	READONLY_BIND_MOUNTS="bin etc lib sbin usr"
+	
+	rm -rf ${WORKDIR}/gnomeos-contents
+	mkdir ${WORKDIR}/gnomeos-contents
+        cd ${WORKDIR}/gnomeos-contents
+	for d in $TOPROOT_BIND_MOUNTS $OSTREE_BIND_MOUNTS $OSDIRS; do
+	    mkdir $d
+	done
+	chmod a=rwxt tmp
+	for d in $READONLY_BIND_MOUNTS; do
+            mv ${IMAGE_ROOTFS}/$d .
+	done
+	rm -rf ${IMAGE_ROOTFS}
+	mv ${WORKDIR}/gnomeos-contents ${IMAGE_ROOTFS}
+
+	DEST=${IMAGE_NAME}.rootfs.tar.gz
+	(cd ${IMAGE_ROOTFS} && tar -zcv -f ${WORKDIR}/$DEST .)
+	echo "Created $DEST"
+	mv ${WORKDIR}/$DEST ${DEPLOY_DIR_IMAGE}/
+	cd ${DEPLOY_DIR_IMAGE}/
+	rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.tar.gz
+	ln -s ${IMAGE_NAME}.rootfs.tar.gz ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.tar.gz
+	echo "Created ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.tar.gz"
+}
+
+log_check() {
+	true
+}
+
+do_fetch[noexec] = "1"
+do_unpack[noexec] = "1"
+do_patch[noexec] = "1"
+do_configure[noexec] = "1"
+do_compile[noexec] = "1"
+do_install[noexec] = "1"
+do_populate_sysroot[noexec] = "1"
+do_package[noexec] = "1"
+do_package_write_ipk[noexec] = "1"
+do_package_write_deb[noexec] = "1"
+do_package_write_rpm[noexec] = "1"
+
+addtask rootfs before do_build
diff --git a/gnomeos/yocto/recipies-core/ostree-init/ostree-init.c b/gnomeos/yocto/recipies-core/ostree-init/ostree-init.c
index deeb330..d0368dc 100644
--- a/gnomeos/yocto/recipies-core/ostree-init/ostree-init.c
+++ b/gnomeos/yocto/recipies-core/ostree-init/ostree-init.c
@@ -62,7 +62,7 @@ perrorv (const char *format, ...)
 int main(int argc, char *argv[])
 {
   FILE *cmdline_f = NULL;
-  const char *ostree_root = NULL;
+  char *ostree_root = NULL;
   const char *p = NULL;
   size_t bytes_read;
   size_t buf_size;
@@ -72,12 +72,23 @@ int main(int argc, char *argv[])
   struct stat stbuf;
   char **init_argv = NULL;
   int i;
+  int mounted_proc = 0;
 
   cmdline_f = fopen ("/proc/cmdline", "r");
   if (!cmdline_f)
     {
-      perrorv ("Failed to open /proc/cmdline");
-      return 1;
+      if (mount ("procs", "/proc", "proc", 0, NULL) < 0)
+	{
+	  perrorv ("Failed to mount /proc");
+	  return 1;
+	}
+      mounted_proc = 1;
+      cmdline_f = fopen ("/proc/cmdline", "r");
+      if (!cmdline_f)
+	{
+	  perrorv ("Failed to open /proc/cmdline (after mounting)");
+	  return 1;
+	}
     }
 
   buf_size = 8;
@@ -101,13 +112,22 @@ int main(int argc, char *argv[])
       exit (1);
     }
 
-  for (p = buf; *p; p += strlen (p) + 1)
+  p = buf;
+  while (p != NULL)
     {
-      if (!strcmp (p, "ostree="))
+      if (!strncmp (p, "ostree=", strlen ("ostree=")))
 	{
-	  ostree_root = p + strlen ("ostree=");
+	  const char *start = p + strlen ("ostree=");
+	  const char *end = strchr (start, ' ');
+	  if (end)
+	    ostree_root = strndup (start, end - start);
+	  else
+	    ostree_root = strdup (start);
 	  break;
 	}
+      p = strchr (p, ' ');
+      if (p)
+	p += 1;
     }
 
   if (ostree_root)
@@ -119,6 +139,13 @@ int main(int argc, char *argv[])
 	  exit (1);
 	}
 
+      snprintf (destpath, sizeof(destpath), "/ostree/%s/var", ostree_root);
+      if (mount ("/ostree/var", destpath, NULL, MS_BIND, NULL) < 0)
+	{
+	  perrorv ("Failed to bind mount /ostree/var to '%s'", destpath);
+	  exit (1);
+	}
+
       snprintf (destpath, sizeof(destpath), "/ostree/%s/sysroot", ostree_root);
       if (mount ("/", destpath, NULL, MS_BIND, NULL) < 0)
 	{
@@ -138,7 +165,6 @@ int main(int argc, char *argv[])
 	  perrorv ("failed to chdir to subroot");
 	  exit (1);
 	}
-      
     }
   else
     {
@@ -146,12 +172,17 @@ int main(int argc, char *argv[])
       exit (1);
     }
 
+  if (mounted_proc)
+    (void)umount ("/proc");
+
   init_argv = malloc (sizeof (char*)*(argc+1));
   init_argv[0] = INIT_PATH;
   for (i = 1; i < argc; i++)
     init_argv[i] = argv[i];
   init_argv[i] = NULL;
   
+  fprintf (stderr, "ostree-init: Running real init\n");
+  fflush (stderr);
   execv (INIT_PATH, init_argv);
   perrorv ("Failed to exec init '%s'", INIT_PATH);
   exit (1);
diff --git a/gnomeos/yocto/recipies-core/ostree/ostree.bb b/gnomeos/yocto/recipies-core/ostree/ostree.bb
new file mode 100644
index 0000000..3871dac
--- /dev/null
+++ b/gnomeos/yocto/recipies-core/ostree/ostree.bb
@@ -0,0 +1,13 @@
+SUMMARY = "GNOME OS management tool"
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://COPYING;md5=97285cb818cf231e6a36f72c82592235"
+
+SRC_URI = "git://git.gnome.org/ostree;tag=18f0b537a45f12852e4ec6b174440cbfe7702e4d"
+S = "${WORKDIR}/git"
+
+inherit autotools
+
+EXTRA_OECONF = "--without-soup-gnome"
+
+BBCLASSEXTEND = "native"
+
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