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From: Prarit Bhargava <prarit@redhat.com>
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Subject: mcelog version: Add ability for OS to define version
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commit 59b8cab3f607573cb55b6841ece2f2577be6b419
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Author: Prarit Bhargava <prarit@redhat.com>
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Date: Mon May 22 10:25:57 2017 -0400
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mcelog version: Add ability for OS to define version
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Example usage of this patch:
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[root@intel-purley-03 mcelog]# cat .os_version
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mcelog-144-3.94d853b2ea81.el7
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[root@intel-purley-03 mcelog]# make version.tmp
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( printf "char version[] = \"" ; \
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if test -e .os_version; then \
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cat .os_version | tr -d '\n' ; \
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elif command -v git >/dev/null; then \
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if [ -d .git ] ; then \
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git describe --tags HEAD | tr -d '\n'; \
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else \
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printf "unknown" ; \
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fi ; \
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else \
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printf "unknown" ; \
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fi ; \
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printf '";\n' \
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) > version.tmp
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[root@intel-purley-03 mcelog]# cat version.tmp
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char version[] = "mcelog-144-3.94d853b2ea81.el7";
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[root@intel-purley-03 mcelog]# rm .os_version
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rm: remove regular file ‘.os_version’? y
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[root@intel-purley-03 mcelog]# make version.tmp
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( printf "char version[] = \"" ; \
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if test -e .os_version; then \
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cat .os_version | tr -d '\n' ; \
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elif command -v git >/dev/null; then \
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if [ -d .git ] ; then \
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git describe --tags HEAD | tr -d '\n'; \
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else \
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printf "unknown" ; \
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fi ; \
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else \
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printf "unknown" ; \
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fi ; \
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printf '";\n' \
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) > version.tmp
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[root@intel-purley-03 mcelog]# cat version.tmp
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char version[] = "v149-7-g62e645e4c0e9";
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----8<----
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OSes package mcelog (rpm, deb, etc.) and the package version may differ
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from the git version.
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Add the ability for the OS to define a version in a local .os_version
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file. If the file exists, the version in the file is returned for
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'mcelog --version'. If the file isn't specified the old method of using
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git and defaulting to 'unknown' are used.
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Signed-off-by: Prarit Bhargava <prarit@redhat.com>
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Signed-off-by: Andi Kleen <ak@linux.intel.com>
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diff --git a/Makefile b/Makefile
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index 864378eb72de315f07d424540509e844241fd932..57373afaf6c77f40d2188dc855c5bc2bd5a02657 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -81,16 +81,20 @@ depend: .depend
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$(CC) -c $(CFLAGS) $(CPPFLAGS) $(WARNINGS) $(ADD_DEFINES) -o $@ $<
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version.tmp: FORCE
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- ( echo -n "char version[] = \"" ; \
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- if command -v git >/dev/null; then \
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- if [ -d .git ] ; then \
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- git describe --tags HEAD | tr -d '\n'; \
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- else \
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- echo -n "unknown" ; \
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- fi ; \
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- else echo -n "unknown" ; fi ; \
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- echo '";' \
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- ) > version.tmp
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+ ( printf "char version[] = \"" ; \
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+ if test -e .os_version; then \
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+ cat .os_version | tr -d '\n' ; \
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+ elif command -v git >/dev/null; then \
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+ if [ -d .git ] ; then \
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+ git describe --tags HEAD | tr -d '\n'; \
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+ else \
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+ printf "unknown" ; \
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+ fi ; \
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+ else \
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+ printf "unknown" ; \
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+ fi ; \
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+ printf '";\n' \
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+ ) > version.tmp
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version.c: version.tmp
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cmp version.tmp version.c || mv version.tmp version.c
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