[OE-core] dpkg's admindir: /var/dpkg or /var/lib/dpkg?

2011-05-18 Thread Cui, Dexuan
Hi, I happened to find a bug: in target,  dpkg --list shows dpkg-query: 
failed to open package info file `/var/lib/dpkg/status' for reading: No such 
file or directory

Actually the files(status and available) does exist, but not in /var/lib/dpkg/ 
-- they're in /var/dpkg/. ln -s /var/dpkg/{status, available} /var/lib/dpkg 
can resolve the issue.

grepping '/var/dpkg' shows there are many files(package_deb.bbclass, 
rootfs_deb.bbclass, populate_sdk_deb.bbclas, apt.conf ) in which '/var/dpkg' is 
used and /var/lib/dpkg is not used at all.

However, looks dpkg's default admindir is /var/lib/dpkg -- e.g., Ubuntu uses 
this.

What should we do? Looks fixing the package dpkg's admindir in the do_configure 
needs the least coding.

Thanks,
-- Dexuan
 

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Re: [OE-core] dpkg's admindir: /var/dpkg or /var/lib/dpkg?

2011-05-18 Thread Mark Hatle
On 5/18/11 4:27 AM, Cui, Dexuan wrote:
 Hi, I happened to find a bug: in target,  dpkg --list shows dpkg-query: 
 failed to open package info file `/var/lib/dpkg/status' for reading: No such 
 file or directory
 
 Actually the files(status and available) does exist, but not in 
 /var/lib/dpkg/ -- they're in /var/dpkg/. ln -s /var/dpkg/{status, available} 
 /var/lib/dpkg can resolve the issue.
 
 grepping '/var/dpkg' shows there are many files(package_deb.bbclass, 
 rootfs_deb.bbclass, populate_sdk_deb.bbclas, apt.conf ) in which '/var/dpkg' 
 is used and /var/lib/dpkg is not used at all.
 
 However, looks dpkg's default admindir is /var/lib/dpkg -- e.g., Ubuntu uses 
 this.
 
 What should we do? Looks fixing the package dpkg's admindir in the 
 do_configure needs the least coding.

I would say that /var/lib/dpkg is the correct directory to use.  This matches
the behavior on other deb bases systems.  (It also mimics other pkg managers who
place their data into /var/lib/...)

--Mark

 Thanks,
 -- Dexuan
  
 
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Re: [OE-core] dpkg's admindir: /var/dpkg or /var/lib/dpkg?

2011-05-18 Thread Cui, Dexuan
Mark Hatle wrote:
 On 5/18/11 4:27 AM, Cui, Dexuan wrote:
 Hi, I happened to find a bug: in target,  dpkg --list shows
 dpkg-query: failed to open package info file `/var/lib/dpkg/status'
 for reading: No such file or directory  
 
 Actually the files(status and available) does exist, but not in
 /var/lib/dpkg/ -- they're in /var/dpkg/. ln -s /var/dpkg/{status,
 available} /var/lib/dpkg can resolve the issue.  
 
 grepping '/var/dpkg' shows there are many files(package_deb.bbclass,
 rootfs_deb.bbclass, populate_sdk_deb.bbclas, apt.conf ) in which
 '/var/dpkg' is used and /var/lib/dpkg is not used at all.  
 
 However, looks dpkg's default admindir is /var/lib/dpkg -- e.g.,
 Ubuntu uses this. 
 
 What should we do? Looks fixing the package dpkg's admindir in the
 do_configure needs the least coding. 
 
 I would say that /var/lib/dpkg is the correct directory to use. 
 This matches the behavior on other deb bases systems.  (It also
 mimics other pkg managers who place their data into /var/lib/...)
 
Mark, thank you for the comment!
So looks we should fix any recipe that uses /var/dpkg?

The fact in poky /var/dpkg is widely used and /var/lib/dpkg is not used at all 
may imply we chose /var/dpkg for some reason?  Even 
meta/recipes-devtools/dpkg/run-postinsts/run-postinsts and 
meta/recipes-devtools/dpkg/run-postinsts/run-postinsts.awk use /var/dpkg.

Is it possible there is some story behind this?  Please let me Cc more people 
who touched this.

Thanks,
-- Dexuan

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