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Re: [Xen-devel] [PATCH v4] Use {git, hg, svn} commit id if available for xen_changeset



On 10/05/13 14:29, Ian Campbell wrote:
> On Thu, 2013-05-09 at 00:07 +0100, Marek Marczykowski wrote:
>> As Xen uses git as primary repository, get git commit id for
>> xen_changeset info.
>>
>> Changes in v2:
>>  - split scm calls into separate script - based on Linux kernel one,
>>    with tags handling removed
>>
>> Changes in v3:
>>  - do not assume tools/scmversion started from the repository toplevel
>>    dir - it is actually called from xen/ subdir
>>
>> Changes in v4:
>>  - restore checks for .git and .hg dirs, use $(XEN_ROOT)
>>
>> Signed-off-by: Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> I tried this on git and hg and it appeared to do the right thing,
> thanks.
>
> Reviewed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

As soon as this gets into staging, I will rebase my much older patch on
top to allow XEN_CHANGESET to be overridden on the make invocation.

~Andrew

>
>> ---
>>  xen/Makefile         |   2 +-
>>  xen/tools/scmversion | 101 
>> +++++++++++++++++++++++++++++++++++++++++++++++++++
>>  2 files changed, 102 insertions(+), 1 deletion(-)
>>  create mode 100755 xen/tools/scmversion
>>
>> diff --git a/xen/Makefile b/xen/Makefile
>> index 0fb3db7..201d9bc 100644
>> --- a/xen/Makefile
>> +++ b/xen/Makefile
>> @@ -126,7 +126,7 @@ include/xen/compile.h: include/xen/compile.h.in .banner
>>          -e 's/@@version@@/$(XEN_VERSION)/g' \
>>          -e 's/@@subversion@@/$(XEN_SUBVERSION)/g' \
>>          -e 's/@@extraversion@@/$(XEN_EXTRAVERSION)/g' \
>> -        -e 's!@@changeset@@!$(shell ((hg parents --template "{date|date} 
>> {rev}:{node|short}" >/dev/null && hg parents --template "{date|date} 
>> {rev}:{node|short}") || echo "unavailable") 2>/dev/null)!g' \
>> +        -e 's!@@changeset@@!$(shell tools/scmversion $(XEN_ROOT) || echo 
>> "unavailable")!g' \
>>          < include/xen/compile.h.in > $@.new
>>      @grep \" .banner >> $@.new
>>      @grep -v \" .banner
>> diff --git a/xen/tools/scmversion b/xen/tools/scmversion
>> new file mode 100755
>> index 0000000..219d898
>> --- /dev/null
>> +++ b/xen/tools/scmversion
>> @@ -0,0 +1,101 @@
>> +#!/bin/sh
>> +#
>> +# This scripts adds local version information from the version
>> +# control systems git, mercurial (hg) and subversion (svn).
>> +#
>> +# If something goes wrong, send a mail the kernel build mailinglist
>> +# (see MAINTAINERS) and CC Nico Schottelius
>> +# <nico-linuxsetlocalversion -at- schottelius.org>.
>> +#
>> +# Based on setlocalversion from Linux kernel
>> +#
>> +#
>> +
>> +usage() {
>> +    echo "Usage: $0 [--save-scmversion] [srctree]" >&2
>> +    exit 1
>> +}
>> +
>> +scm_only=false
>> +srctree=.
>> +if test "$1" = "--save-scmversion"; then
>> +    scm_only=true
>> +    shift
>> +fi
>> +if test $# -gt 0; then
>> +    srctree=$1
>> +    shift
>> +fi
>> +if test $# -gt 0 -o ! -d "$srctree"; then
>> +    usage
>> +fi
>> +
>> +scm_version()
>> +{
>> +    local short
>> +    short=false
>> +
>> +    cd "$srctree"
>> +    if test -e .scmversion; then
>> +            cat .scmversion
>> +            return
>> +    fi
>> +    if test "$1" = "--short"; then
>> +            short=true
>> +    fi
>> +
>> +    # Check for git and a git repo.
>> +    if test -d .git && head=`git rev-parse --verify --short HEAD 
>> 2>/dev/null`; then
>> +            date=`git show -s --pretty="%ad" HEAD`
>> +
>> +            printf '%s %s%s' "$date" git: $head
>> +
>> +            # Is this git on svn?
>> +            if git config --get svn-remote.svn.url >/dev/null; then
>> +                    printf -- 'svn:%s' "`git svn find-rev $head`"
>> +            fi
>> +
>> +            # Update index only on r/w media
>> +            [ -w . ] && git update-index --refresh --unmerged > /dev/null
>> +
>> +            # Check for uncommitted changes
>> +            if git diff-index --name-only HEAD | grep -qv 
>> "^scripts/package"; then
>> +                    printf '%s' -dirty
>> +            fi
>> +
>> +            # All done with git
>> +            return
>> +    fi
>> +
>> +    # Check for mercurial and a mercurial repo.
>> +    if test -d .hg && hgid=`hg id 2>/dev/null`; then
>> +            id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
>> +            date=`hg parents --template "{date|date}"`
>> +            printf '%s %s%s' "$date" hg: "$id"
>> +
>> +            # Are there uncommitted changes?
>> +            # These are represented by + after the changeset id.
>> +            case "$hgid" in
>> +                    *+|*+\ *) printf '%s' -dirty ;;
>> +            esac
>> +
>> +            # All done with mercurial
>> +            return
>> +    fi
>> +
>> +    # Check for svn and a svn repo.
>> +    if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last 
>> Changed Rev'`; then
>> +            rev=`echo $rev | awk '{print $NF}'`
>> +            printf -- 'svn:%s' "$rev"
>> +
>> +            # All done with svn
>> +            return
>> +    fi
>> +}
>> +
>> +cd $srctree
>> +
>> +# full scm version string
>> +res="$(scm_version)"
>> +
>> +echo "$res"
>
>
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