1 files changed, 250 insertions, 1 deletions

diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index 21f8493ce5..1859961012 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -1,7 +1,7 @@
 #
 # Records history of build output in order to detect regressions
 #
-# Based in part on testlab.bbclass
+# Based in part on testlab.bbclass and packagehistory.bbclass
 #
 # Copyright (C) 2011 Intel Corporation
 # Copyright (C) 2007-2011 Koen Kooi <koen@openembedded.org>
@@ -9,10 +9,259 @@
 
 BUILDHISTORY_DIR ?= "${TMPDIR}/buildhistory"
 BUILDHISTORY_DIR_IMAGE = "${BUILDHISTORY_DIR}/images/${MACHINE_ARCH}/${TCLIBC}/${IMAGE_BASENAME}"
+BUILDHISTORY_DIR_PACKAGE = "${BUILDHISTORY_DIR}/packages/${MULTIMACH_TARGET_SYS}/${PN}"
 BUILDHISTORY_COMMIT ?= "0"
 BUILDHISTORY_COMMIT_AUTHOR ?= "buildhistory <buildhistory@${DISTRO}>"
 BUILDHISTORY_PUSH_REPO ?= ""
 
+# Must inherit package first before changing PACKAGEFUNCS
+inherit package
+PACKAGEFUNCS += "buildhistory_emit_pkghistory"
+
+#
+# Called during do_package to write out metadata about this package
+# for comparision when writing future packages
+#
+python buildhistory_emit_pkghistory() {
+        import re
+
+        pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+
+        class RecipeInfo:
+                def __init__(self, name):
+                        self.name = name
+                        self.pe = "0"
+                        self.pv = "0"
+                        self.pr = "r0"
+                        self.depends = ""
+                        self.packages = ""
+
+        class PackageInfo:
+                def __init__(self, name):
+                        self.name = name
+                        self.pe = "0"
+                        self.pv = "0"
+                        self.pr = "r0"
+                        self.size = 0
+                        self.depends = ""
+                        self.rdepends = ""
+                        self.rrecommends = ""
+                        self.files = ""
+                        self.filelist = ""
+
+        # Should check PACKAGES here to see if anything removed
+
+        def getpkgvar(pkg, var):
+                val = bb.data.getVar('%s_%s' % (var, pkg), d, 1)
+                if val:
+                        return val
+                val = bb.data.getVar('%s' % (var), d, 1)
+
+                return val
+
+        def readRecipeInfo(pn, histfile):
+                rcpinfo = RecipeInfo(pn)
+                f = open(histfile, "r")
+                try:
+                        for line in f:
+                                lns = line.split('=')
+                                name = lns[0].strip()
+                                value = lns[1].strip(" \t\r\n").strip('"')
+                                if name == "PE":
+                                        rcpinfo.pe = value
+                                elif name == "PV":
+                                        rcpinfo.pv = value
+                                elif name == "PR":
+                                        rcpinfo.pr = value
+                                elif name == "DEPENDS":
+                                        rcpinfo.depends = value
+                                elif name == "PACKAGES":
+                                        rcpinfo.packages = value
+                finally:
+                        f.close()
+                return rcpinfo
+
+        def readPackageInfo(pkg, histfile):
+                pkginfo = PackageInfo(pkg)
+                f = open(histfile, "r")
+                try:
+                        for line in f:
+                                lns = line.split('=')
+                                name = lns[0].strip()
+                                value = lns[1].strip(" \t\r\n").strip('"')
+                                if name == "PE":
+                                        pkginfo.pe = value
+                                elif name == "PV":
+                                        pkginfo.pv = value
+                                elif name == "PR":
+                                        pkginfo.pr = value
+                                elif name == "RDEPENDS":
+                                        pkginfo.rdepends = value
+                                elif name == "RRECOMMENDS":
+                                        pkginfo.rrecommends = value
+                                elif name == "PKGSIZE":
+                                        pkginfo.size = long(value)
+                                elif name == "FILES":
+                                        pkginfo.files = value
+                                elif name == "FILELIST":
+                                        pkginfo.filelist = value
+                finally:
+                        f.close()
+                return pkginfo
+
+        def getlastrecipeversion(pn):
+                try:
+                        histfile = os.path.join(pkghistdir, "latest")
+                        return readRecipeInfo(pn, histfile)
+                except EnvironmentError:
+                        return None
+
+        def getlastpkgversion(pkg):
+                try:
+                        histfile = os.path.join(pkghistdir, pkg, "latest")
+                        return readPackageInfo(pkg, histfile)
+                except EnvironmentError:
+                        return None
+
+        def squashspaces(string):
+                return re.sub("\s+", " ", string)
+
+        pn = d.getVar('PN', True)
+        pe = d.getVar('PE', True) or "0"
+        pv = d.getVar('PV', True)
+        pr = d.getVar('PR', True)
+        packages = squashspaces(d.getVar('PACKAGES', True))
+
+        rcpinfo = RecipeInfo(pn)
+        rcpinfo.pe = pe
+        rcpinfo.pv = pv
+        rcpinfo.pr = pr
+        rcpinfo.depends = squashspaces(d.getVar('DEPENDS', True) or "")
+        rcpinfo.packages = packages
+        write_recipehistory(rcpinfo, d)
+        write_latestlink(None, pe, pv, pr, d)
+
+        # Apparently the version can be different on a per-package basis (see Python)
+        pkgdest = d.getVar('PKGDEST', True)
+        for pkg in packages.split():
+                pe = getpkgvar(pkg, 'PE') or "0"
+                pv = getpkgvar(pkg, 'PV')
+                pr = getpkgvar(pkg, 'PR')
+                #
+                # Find out what the last version was
+                # Make sure the version did not decrease
+                #
+                lastversion = getlastpkgversion(pkg)
+                if lastversion:
+                        last_pe = lastversion.pe
+                        last_pv = lastversion.pv
+                        last_pr = lastversion.pr
+                        r = bb.utils.vercmp((pe, pv, pr), (last_pe, last_pv, last_pr))
+                        if r < 0:
+                                bb.fatal("Package version for package %s went backwards which would break package feeds from (%s:%s-%s to %s:%s-%s)" % (pkg, last_pe, last_pv, last_pr, pe, pv, pr))
+
+                pkginfo = PackageInfo(pkg)
+                pkginfo.pe = pe
+                pkginfo.pv = pv
+                pkginfo.pr = pr
+                pkginfo.rdepends = squashspaces(getpkgvar(pkg, 'RDEPENDS') or "")
+                pkginfo.rrecommends = squashspaces(getpkgvar(pkg, 'RRECOMMENDS') or "")
+                pkginfo.files = squashspaces(getpkgvar(pkg, 'FILES') or "")
+
+                # Gather information about packaged files
+                pkgdestpkg = os.path.join(pkgdest, pkg)
+                filelist = []
+                pkginfo.size = 0
+                for root, dirs, files in os.walk(pkgdestpkg):
+                        relpth = os.path.relpath(root, pkgdestpkg)
+                        for f in files:
+                                fstat = os.lstat(os.path.join(root, f))
+                                pkginfo.size += fstat.st_size
+                                filelist.append(os.sep + os.path.join(relpth, f))
+                pkginfo.filelist = " ".join(filelist)
+
+                write_pkghistory(pkginfo, d)
+
+                if lastversion:
+                        check_pkghistory(pkginfo, lastversion)
+
+                write_latestlink(pkg, pe, pv, pr, d)
+}
+
+
+def check_pkghistory(pkginfo, lastversion):
+
+        bb.debug(2, "Checking package history")
+        # RDEPENDS removed?
+        # PKG changed?
+        # Each file list of each package for file removals?
+
+
+def write_recipehistory(rcpinfo, d):
+        bb.debug(2, "Writing recipe history")
+
+        pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+
+        if not os.path.exists(pkghistdir):
+                os.makedirs(pkghistdir)
+
+        verfile = os.path.join(pkghistdir, "%s:%s-%s" % (rcpinfo.pe, rcpinfo.pv, rcpinfo.pr))
+        f = open(verfile, "w")
+        try:
+                if rcpinfo.pe != "0":
+                        f.write("PE = %s\n" %  rcpinfo.pe)
+                f.write("PV = %s\n" %  rcpinfo.pv)
+                f.write("PR = %s\n" %  rcpinfo.pr)
+                f.write("DEPENDS = %s\n" %  rcpinfo.depends)
+                f.write("PACKAGES = %s\n" %  rcpinfo.packages)
+        finally:
+                f.close()
+
+
+def write_pkghistory(pkginfo, d):
+        bb.debug(2, "Writing package history")
+
+        pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+
+        verpath = os.path.join(pkghistdir, pkginfo.name)
+        if not os.path.exists(verpath):
+                os.makedirs(verpath)
+
+        verfile = os.path.join(verpath, "%s:%s-%s" % (pkginfo.pe, pkginfo.pv, pkginfo.pr))
+        f = open(verfile, "w")
+        try:
+                if pkginfo.pe != "0":
+                        f.write("PE = %s\n" %  pkginfo.pe)
+                f.write("PV = %s\n" %  pkginfo.pv)
+                f.write("PR = %s\n" %  pkginfo.pr)
+                f.write("RDEPENDS = %s\n" %  pkginfo.rdepends)
+                f.write("RRECOMMENDS = %s\n" %  pkginfo.rrecommends)
+                f.write("PKGSIZE = %d\n" %  pkginfo.size)
+                f.write("FILES = %s\n" %  pkginfo.files)
+                f.write("FILELIST = %s\n" %  pkginfo.filelist)
+        finally:
+                f.close()
+
+
+def write_latestlink(pkg, pe, pv, pr, d):
+        import shutil
+
+        pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+
+        def rm_link(path):
+                try:
+                        os.unlink(path)
+                except OSError:
+                        return
+
+        if pkg:
+                filedir = os.path.join(pkghistdir, pkg)
+        else:
+                filedir = pkghistdir
+        rm_link(os.path.join(filedir, "latest"))
+        shutil.copy(os.path.join(filedir, "%s:%s-%s" % (pe, pv, pr)), os.path.join(filedir, "latest"))
+
+
 buildhistory_get_image_installed() {
         # Anything requiring the use of the packaging system should be done in here
         # in case the packaging files are going to be removed for this image