On 08/01/19 19:15, Zac Medico wrote:
> On 1/8/19 5:42 AM, Fabian Groffen wrote:
>> The reporting of files remaining can look somewhat odd since the report
>> interval is hardcoded to be per 1000 objects.  Adjust this interval to
>> be time based.  This means that modern (fast) machines likely will never
>> see the countdown messages at all.  On slow setups the message will be
>> informative that there is progress, albeit rather slowly.  While at it,
>> report percentage done.
>>
>> Output before this patch:
>>
>>  * checking 6158 files for package collisions
>> 5158 files remaining ...
>> 4158 files remaining ...
>> 3158 files remaining ...
>> 2158 files remaining ...
>> 1158 files remaining ...
>> 158 files remaining ...
>>
>> Possible output after this patch on a slower machine:
>>
>>  * checking 6158 files for package collisions
>>  48% done, 3145 files remaining ...
>>  96% done, 192 files remaining ...
>> 100% done
>>
>> Signed-off-by: Fabian Groffen <grob...@gentoo.org>
>> ---
>>  lib/portage/dbapi/vartree.py | 11 +++++++++--
>>  1 file changed, 9 insertions(+), 2 deletions(-)
>>
>> diff --git a/lib/portage/dbapi/vartree.py b/lib/portage/dbapi/vartree.py
>> index 4b91caea8..244195fad 100644
>> --- a/lib/portage/dbapi/vartree.py
>> +++ b/lib/portage/dbapi/vartree.py
>> @@ -3475,13 +3475,18 @@ class dblink(object):
>>                      symlink_collisions = []
>>                      destroot = self.settings['ROOT']
>>                      totfiles = len(file_list) + len(symlink_list)
>> +                    tnow = time.time()
>> +                    tinterv = 2  # seconds
>> +                    ninterv = tnow + tinterv
>>                      showMessage(_(" %s checking %d files for package 
>> collisions\n") % \
>>                              (colorize("GOOD", "*"), totfiles))
>>                      for i, (f, f_type) in enumerate(chain(
>>                              ((f, "reg") for f in file_list),
>>                              ((f, "sym") for f in symlink_list))):
>> -                            if i % 1000 == 0 and i != 0:
>> -                                    showMessage(_("%d files remaining 
>> ...\n") % (totfiles - i))
>> +                            if time.time() > ninterv:
>> +                                    showMessage(_("%3d%% done, %d files 
>> remaining ...\n") %
>> +                                                    (i * 100 / totfiles, 
>> totfiles - i))
>> +                                    ninterv = time.time() + tinterv
>>  
>>                              dest_path = normalize_path(
>>                                      os.path.join(destroot, 
>> f.lstrip(os.path.sep)))
>> @@ -3570,6 +3575,8 @@ class dblink(object):
>>                                                      break
>>                                      if stopmerge:
>>                                              collisions.append(f)
>> +                    if tnow + tinterv < ninterv:
>> +                            showMessage(_("100% done\n"))
>>                      return collisions, dirs_ro, symlink_collisions, 
>> plib_collisions
>>  
>>      def _lstat_inode_map(self, path_iter):
>>
> Please replace time.time() with portage.util.monotonic.monotonic().
It's a bit of a nit-pick, granted, but can we ensure that the count-down's
remain padded/justified such that the numbers line up for easy at-a-glance
inspection ? The optimal standard looks somewhat like the pre-merge Sizes:

 * Final size of build directory: 2696 KiB (2.6 MiB)
 * Final size of installed tree:  5372 KiB (5.2 MiB)

Otherwise, I think this will be quite helpful. Thanks.

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