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authorZac Medico2011-12-24 11:17:26 (GMT)
committerZac Medico2011-12-24 11:17:26 (GMT)
commit770bb7ae204643be1968f0fd0379706b6ce017c0 (patch)
treefc4fc6be68001be06ee1655d46ce66d54033f4d6
parent9446ae1efbbac8a42654007109c94dc3f161f430 (diff)
downloadportage-770bb7ae.zip
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Add FEATURES=config-protect-if-modified support.
This causes the CONFIG_PROTECT behavior to be skipped for files that have not been modified since they were installed.
-rw-r--r--man/make.conf.54
-rw-r--r--pym/portage/const.py1
-rw-r--r--pym/portage/dbapi/vartree.py15
3 files changed, 19 insertions, 1 deletions
diff --git a/man/make.conf.5 b/man/make.conf.5
index 8a66c21..33f4e45 100644
--- a/man/make.conf.5
+++ b/man/make.conf.5
@@ -260,6 +260,10 @@ Log file names have an extension that is appropriate for the compression
type. Currently, only \fBgzip\fR(1) compression is supported, so build
logs will have a '.gz' extension when this feature is enabled.
.TP
+.B config\-protect\-if\-modified
+This causes the \fBCONFIG_PROTECT\fR behavior to be skipped for files
+that have not been modified since they were installed.
+.TP
.B digest
Autogenerate digests for packages when running the
\fBemerge\fR(1), \fBebuild\fR(1), or \fBrepoman\fR(1) commands. If
diff --git a/pym/portage/const.py b/pym/portage/const.py
index 77c68eb..5fcb24f 100644
--- a/pym/portage/const.py
+++ b/pym/portage/const.py
@@ -89,6 +89,7 @@ SUPPORTED_FEATURES = frozenset([
"assume-digests", "binpkg-logs", "buildpkg", "buildsyspkg", "candy",
"ccache", "chflags", "clean-logs",
"collision-protect", "compress-build-logs",
+ "config-protect-if-modified",
"digest", "distcc", "distcc-pump", "distlocks", "ebuild-locks", "fakeroot",
"fail-clean", "force-mirror", "force-prefix", "getbinpkg",
"installsources", "keeptemp", "keepwork", "fixlafiles", "lmirror",
diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index b9ef583..a66316b 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -4056,6 +4056,10 @@ class dblink(object):
destroot = normalize_path(destroot).rstrip(sep) + sep
calc_prelink = "prelink-checksums" in self.settings.features
+ protect_if_modified = \
+ "config-protect-if-modified" in self.settings.features and \
+ self._installed_instance is not None
+
# this is supposed to merge a list of files. There will be 2 forms of argument passing.
if isinstance(stufftomerge, basestring):
#A directory is specified. Figure out protection paths, listdir() it and process it.
@@ -4297,9 +4301,18 @@ class dblink(object):
# now, config file management may come into play.
# we only need to tweak mydest if cfg file management is in play.
if protected:
+ destmd5 = perform_md5(mydest, calc_prelink=calc_prelink)
+ if protect_if_modified:
+ contents_key = \
+ self._installed_instance._match_contents(myrealdest)
+ if contents_key:
+ inst_info = self._installed_instance.getcontents()[contents_key]
+ if inst_info[0] == "obj" and inst_info[2] == destmd5:
+ protected = False
+
+ if protected:
# we have a protection path; enable config file management.
cfgprot = 0
- destmd5 = perform_md5(mydest, calc_prelink=calc_prelink)
if mymd5 == destmd5:
#file already in place; simply update mtimes of destination
moveme = 1