extdiff: refactor logic which does diff of patches
The current extdiff code is hard to understand on first look. Took me few hours
to grasp the code. Before adding more things, decided to do some refactoring.
Differential Revision: https://phab.mercurial-scm.org/D8686
#require no-windows
$ . "$TESTDIR/remotefilelog-library.sh"
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> server=True
> serverexpiration=-1
> EOF
$ echo x > x
$ hg commit -qAm x
$ cd ..
$ hgcloneshallow ssh://user@dummy/master shallow -q
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
# Set the prefetchdays config to zero so that all commits are prefetched
# no matter what their creation date is.
$ cd shallow
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> prefetchdays=0
> EOF
$ cd ..
# commit a new version of x so we can gc the old one
$ cd master
$ echo y > x
$ hg commit -qAm y
$ cd ..
$ cd shallow
$ hg pull -q
$ hg update -q
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cd ..
# gc client cache
$ lastweek=`$PYTHON -c 'import datetime,time; print(datetime.datetime.fromtimestamp(time.time() - (86400 * 7)).strftime("%y%m%d%H%M"))'`
$ find $CACHEDIR -type f -exec touch -t $lastweek {} \;
$ find $CACHEDIR -type f | sort
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0 (glob)
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/48023ec064c1d522f0d792a5a912bb1bf7859a4a (glob)
$TESTTMP/hgcache/repos (glob)
$ hg gc
finished: removed 1 of 2 files (0.00 GB to 0.00 GB)
$ find $CACHEDIR -type f | sort
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/48023ec064c1d522f0d792a5a912bb1bf7859a4a (glob)
$TESTTMP/hgcache/repos
# gc server cache
$ find master/.hg/remotefilelogcache -type f | sort
master/.hg/remotefilelogcache/x/1406e74118627694268417491f018a4a883152f0 (glob)
master/.hg/remotefilelogcache/x/48023ec064c1d522f0d792a5a912bb1bf7859a4a (glob)
$ hg gc master
finished: removed 0 of 1 files (0.00 GB to 0.00 GB)
$ find master/.hg/remotefilelogcache -type f | sort
master/.hg/remotefilelogcache/x/48023ec064c1d522f0d792a5a912bb1bf7859a4a (glob)
# Test that GC keepset includes pullprefetch revset if it is configured
$ cd shallow
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> pullprefetch=all()
> EOF
$ hg prefetch
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cd ..
$ hg gc
finished: removed 0 of 2 files (0.00 GB to 0.00 GB)
# Ensure that there are 2 versions of the file in cache
$ find $CACHEDIR -type f | sort
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0 (glob)
$TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/48023ec064c1d522f0d792a5a912bb1bf7859a4a (glob)
$TESTTMP/hgcache/repos (glob)
# Test that if garbage collection on repack and repack on hg gc flags are set then incremental repack with garbage collector is run
$ hg gc --config remotefilelog.gcrepack=True --config remotefilelog.repackonhggc=True
# Ensure that loose files are repacked
$ find $CACHEDIR -type f | sort
$TESTTMP/hgcache/master/packs/320dab99b7e3f60512b97f347689625263d22cf5.dataidx
$TESTTMP/hgcache/master/packs/320dab99b7e3f60512b97f347689625263d22cf5.datapack
$TESTTMP/hgcache/master/packs/837b83c1ef6485a336eb4421ac5973c0ec130fbb.histidx
$TESTTMP/hgcache/master/packs/837b83c1ef6485a336eb4421ac5973c0ec130fbb.histpack
$TESTTMP/hgcache/repos
# Test that warning is displayed when there are no valid repos in repofile
$ cp $CACHEDIR/repos $CACHEDIR/repos.bak
$ echo " " > $CACHEDIR/repos
$ hg gc
warning: no valid repos in repofile
$ mv $CACHEDIR/repos.bak $CACHEDIR/repos
# Test that warning is displayed when the repo path is malformed
$ printf "asdas\0das" >> $CACHEDIR/repos
$ hg gc
abort: invalid path asdas\x00da: .*(null|NULL).* (re)
[255]