Re: [PATCH] gitk: Take only numeric version components when computing $git_version

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Mathias Lafeldt wrote:
> Anders Kaseorg wrote:

>> This fixes errors running with release candidate versions of Git:
>>   Error in startup script: expected version number but got "1.7.4-rc0"
[...]
> People don't seem to use gitk with the RC releases because nobody else
> complains...

GIT-VERSION-GEN contains:

	DEF_VER=v1.7.4-rc1
	[...]
	if test -f version
	then
		[...]
	elif test -d .git -o -f .git &&
		[...]
	then
		VN=$(echo "$VN" | sed -e 's/-/./g');
	else
		VN="$DEF_VER"
	fi

So after building from a tarball generated with "git archive", "git version"
produces v1.7.4-rc1, producing errors from gitk, but after building
from the git repo or a tarball generated with "make dist", the version
is v1.7.4.rc1 (which gitk accepts).

Anders's fix looks good to me for robustness reasons anyway, so

 Reviewed-by: Jonathan Nieder <jrnieder@xxxxxxxxx>

Maybe the substitution in GIT-VERSION-GEN should say something like

		VN=$(echo "$VN" | sed -e 's/-\([^r]\)/.\1/g')

meaning the result for tagged rcs would not depend on whether git is
present?  Alternatively, DEF_VER could be set to v1.7.4.rc1, which
does not seem as nice to me.
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