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authorLibravatar Jeff King <peff@peff.net>2013-09-08 04:40:02 -0400
committerLibravatar Junio C Hamano <gitster@pobox.com>2013-09-09 11:12:29 -0700
commit00160242770aea137ec7154a8e8406feef733926 (patch)
tree59ebef96058c8fa938e7d2506aa8dba9b176e680 /Documentation/git-fsck-objects.txt
parentconfig: make numeric parsing errors more clear (diff)
downloadtgif-00160242770aea137ec7154a8e8406feef733926.tar.xz
git-config: always treat --int as 64-bit internally
When you run "git config --int", the maximum size of integer you get depends on how git was compiled, and what it considers to be an "int". This is almost useful, because your scripts calling "git config" will behave similarly to git internally. But relying on this is dubious; you have to actually know how git treats each value internally (e.g., int versus unsigned long), which is not documented and is subject to change. And even if you know it is "unsigned long", we do not have a git-config option to match that behavior. Furthermore, you may simply be asking git to store a value on your behalf (e.g., configuration for a hook). In that case, the relevant range check has nothing at all to do with git, but rather with whatever scripting tools you are using (and git has no way of knowing what the appropriate range is there). Not only is the range check useless, but it is actively harmful, as there is no way at all for scripts to look at config variables with large values. For instance, one cannot reliably get the value of pack.packSizeLimit via git-config. On an LP64 system, git happily uses a 64-bit "unsigned long" internally to represent the value, but the script cannot read any value over 2G. Ideally, the "--int" option would simply represent an arbitrarily large integer. For practical purposes, however, a 64-bit integer is large enough, and is much easier to implement (and if somebody overflows it, we will still notice the problem, and not simply return garbage). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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