Difference between checkout and export in SVN

Question

What is the exact difference between SVN checkout and SVN export   From what I know  export does not include the  svn directory which include metadata  and checkout included that  svn directory  Yet  my colleague had this problem recently that there is a different behaviour for the stuff compiled from sources that is checkout and exported from SVN repo  Both of them compiled correctly  but the one compiled from svn export works  but the one that is checked out doesn t work at all   PS  The stuff being compiled is the Linux 2 4 kernel that is being used in an embedded device  The image compiles and load correctly  but the checked out one doesn t work  It causes a kernel panic during insmod  Why could this happen at all   PPS  We ve tried checksumming and diff tool to check the difference between the two directories that are exported and checked out from SVN  Both of them are the same except for the  svn directory

User · Answer

svn export simply extracts all the files from a revision and does not allow revision control on it  It also does not litter each directory with  svn directories   svn checkout allows you to use version control in the directory made  e g  your standard commands such as svn update and svn commit

User · Answer

Use export if you want to upload  or give to somebody  a project  If you are working with a project  use checkout

User · Answer

Use export if you want to upload  or give to somebody  a project  If you are working with a project  use checkout

User · Answer

Use export if you want to upload  or give to somebody  a project  If you are working with a project  use checkout

User · Answer

Additional musings   You said insmod crashes   Insmod loads modules   The modules are built in another compile operation from building the kernel   Kernel and modules have to be built from the same headers and so forth   Are all the modules built during the kernel build  or are they  existing      The other idea  and something I know little about  is svn externals  which  if used  can affect what is checked out to your project   Look and see if this is any different when exporting

User · Answer

Any chance the build process is looking into the subdirectories and including something it shouldn t   BTW  you can do a legal checkout  then remove the  svn and all it contains   That should give you the same as an export   Try compiling that  before and after removing the metadata  as it were

User · Answer

svn export simply extracts all the files from a revision and does not allow revision control on it  It also does not litter each directory with  svn directories   svn checkout allows you to use version control in the directory made  e g  your standard commands such as svn update and svn commit

User · Answer

svn export simply extracts all the files from a revision and does not allow revision control on it  It also does not litter each directory with  svn directories   svn checkout allows you to use version control in the directory made  e g  your standard commands such as svn update and svn commit

User · Answer

Are you re-running your checkout or export into an existing directory   Because if you are  checkout will update the working copy  including deleting any files   But export will simply transfer all the files from the reporsitory to the destination - if the destination is the same directory  this means any files deleted in the repository will NOT be deleted   So you export copy may only work because it is relying on a file which has been deleted in the repository

User · Answer

if you are using tortoise svn client - while exporting - it displays   export   checkout   it is confusing   it is just export only  only view read use export   to commit use -  checkout

User · Answer

Any chance the build process is looking into the subdirectories and including something it shouldn t   BTW  you can do a legal checkout  then remove the  svn and all it contains   That should give you the same as an export   Try compiling that  before and after removing the metadata  as it were

User · Answer

if you are using tortoise svn client - while exporting - it displays   export   checkout   it is confusing   it is just export only  only view read use export   to commit use -  checkout

User · Answer

Any chance the build process is looking into the subdirectories and including something it shouldn t   BTW  you can do a legal checkout  then remove the  svn and all it contains   That should give you the same as an export   Try compiling that  before and after removing the metadata  as it were

User · Answer

As you stated  a checkout includes the  svn directories  Thus it is a working copy and will have the proper information to make commits back  if you have permission   If you do an export you are just taking a copy of the current state of the repository and will not have any way to commit back any changes

User · Answer

Additional musings   You said insmod crashes   Insmod loads modules   The modules are built in another compile operation from building the kernel   Kernel and modules have to be built from the same headers and so forth   Are all the modules built during the kernel build  or are they  existing      The other idea  and something I know little about  is svn externals  which  if used  can affect what is checked out to your project   Look and see if this is any different when exporting

User · Answer

As you stated  a checkout includes the  svn directories  Thus it is a working copy and will have the proper information to make commits back  if you have permission   If you do an export you are just taking a copy of the current state of the repository and will not have any way to commit back any changes

User · Answer

Additional musings   You said insmod crashes   Insmod loads modules   The modules are built in another compile operation from building the kernel   Kernel and modules have to be built from the same headers and so forth   Are all the modules built during the kernel build  or are they  existing      The other idea  and something I know little about  is svn externals  which  if used  can affect what is checked out to your project   Look and see if this is any different when exporting

User · Answer

svn export simply extracts all the files from a revision and does not allow revision control on it  It also does not litter each directory with  svn directories   svn checkout allows you to use version control in the directory made  e g  your standard commands such as svn update and svn commit

User · Answer

Use export if you want to upload  or give to somebody  a project  If you are working with a project  use checkout

User · Answer

As you stated  a checkout includes the  svn directories  Thus it is a working copy and will have the proper information to make commits back  if you have permission   If you do an export you are just taking a copy of the current state of the repository and will not have any way to commit back any changes

User · Answer

As you stated  a checkout includes the  svn directories  Thus it is a working copy and will have the proper information to make commits back  if you have permission   If you do an export you are just taking a copy of the current state of the repository and will not have any way to commit back any changes

User · Answer

Very simple difference  If you just want to see the structure of your project then go for export   And if you want to work on your files then you need to checkout as it will include the  svn folder which contains the metadata which makes the working copy  else you get the error in export   If you do svn export and then edit some files and then commit  then you will get an error            xxx is not your working copy

User · Answer

Any chance the build process is looking into the subdirectories and including something it shouldn t   BTW  you can do a legal checkout  then remove the  svn and all it contains   That should give you the same as an export   Try compiling that  before and after removing the metadata  as it were

User · Answer

Are you re-running your checkout or export into an existing directory   Because if you are  checkout will update the working copy  including deleting any files   But export will simply transfer all the files from the reporsitory to the destination - if the destination is the same directory  this means any files deleted in the repository will NOT be deleted   So you export copy may only work because it is relying on a file which has been deleted in the repository

User · Answer

Very simple difference  If you just want to see the structure of your project then go for export   And if you want to work on your files then you need to checkout as it will include the  svn folder which contains the metadata which makes the working copy  else you get the error in export   If you do svn export and then edit some files and then commit  then you will get an error            xxx is not your working copy

User · Answer

To complement Gerald s answer     One further subtle difference is that  although the command   svn checkout    repos location my dir    puts the files in my dir into the current directory  with the  svn folder   in certain versions of the svn  the command   svn export    repos location my dir    will create a folder called my dir in the current directory and then place the exported files inside it

User · Answer

To complement Gerald s answer     One further subtle difference is that  although the command   svn checkout    repos location my dir    puts the files in my dir into the current directory  with the  svn folder   in certain versions of the svn  the command   svn export    repos location my dir    will create a folder called my dir in the current directory and then place the exported files inside it

User · Answer

Additional musings   You said insmod crashes   Insmod loads modules   The modules are built in another compile operation from building the kernel   Kernel and modules have to be built from the same headers and so forth   Are all the modules built during the kernel build  or are they  existing      The other idea  and something I know little about  is svn externals  which  if used  can affect what is checked out to your project   Look and see if this is any different when exporting

[linux] Difference between checkout and export in SVN

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