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delta: Use new package api to create delta packages

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It is now possible to create deltas by comparing packages with
different formats.
This commit is contained in:
Fatih Aşıcı
2010-06-21 09:09:13 +00:00
parent 7435294ad7
commit 380bf4214f
1 changed files with 8 additions and 25 deletions
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pisi/operations/delta.py
+8 -25
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@@ -30,8 +30,8 @@ def create_delta_package(old_package, new_package):
oldpkg = pisi.package.Package(old_package, "r")
newpkg = pisi.package.Package(new_package, "r")
newmd = newpkg.get_metadata()
oldmd = oldpkg.get_metadata()
newmd = newpkg.metadata
oldmd = oldpkg.metadata
oldfiles = oldpkg.get_files()
newfiles = newpkg.get_files()
@@ -48,11 +48,9 @@ def create_delta_package(old_package, new_package):
newmd.package.build,
False)
newpkg_path = util.join_path(ctx.config.tmp_dir(), newpkg_name)
newpkg.extract_to(newpkg_path, True)
newpkg_archive = util.join_path(newpkg_path, ctx.const.install_tar_lzma)
tar = archive.ArchiveTar(newpkg_archive, "tarlzma", False, False)
tar.unpack_dir(newpkg_path)
newpkg.extract_pisi_files(newpkg_path)
newpkg.extract_dir("comar", newpkg_path)
newpkg.extract_install(newpkg_path)
# Create delta package
deltaname = "%s-%s-%s%s" % (oldmd.package.name,
@@ -75,8 +73,8 @@ def create_delta_package(old_package, new_package):
deltapkg.add_to_package(fname)
# add xmls and files
deltapkg.add_to_package(ctx.const.metadata_xml)
deltapkg.add_to_package(ctx.const.files_xml)
deltapkg.add_metadata_xml(ctx.const.metadata_xml)
deltapkg.add_files_xml(ctx.const.files_xml)
# only metadata information may change in a package,
# so no install.tar.lzma added to delta package
@@ -87,26 +85,11 @@ def create_delta_package(old_package, new_package):
# (commit r23485).
files_delta.sort(key=lambda x: x.path)
ctx.build_leftover = util.join_path(ctx.config.tmp_dir(),
ctx.const.install_tar_lzma)
deltapkg_archive = util.join_path(ctx.config.tmp_dir(),
ctx.const.install_tar_lzma)
tar = archive.ArchiveTar(deltapkg_archive, "tarlzma")
for f in files_delta:
tar.add_to_archive(f.path)
tar.close()
os.chdir(ctx.config.tmp_dir())
deltapkg.add_to_package(ctx.const.install_tar_lzma)
deltapkg.add_to_install(f.path)
deltapkg.close()
tmp_file = util.join_path(ctx.config.tmp_dir(), ctx.const.install_tar_lzma)
if os.path.exists(tmp_file):
os.unlink(tmp_file)
ctx.build_leftover = None
os.chdir(c)
ctx.ui.info(_("Done."))