--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-remotefilelog-gcrepack.t	Thu Sep 27 13:03:19 2018 -0400
@@ -0,0 +1,160 @@
+  $ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
+  $ export PYTHONPATH
+
+  $ . "$TESTDIR/remotefilelog-library.sh"
+
+  $ hginit master
+  $ cd master
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > server=True
+  > EOF
+  $ echo x > x
+  $ hg commit -qAm x
+  $ echo y > y
+  $ rm x
+  $ hg commit -qAm DxAy
+  $ echo yy > y
+  $ hg commit -qAm y
+  $ 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 ..
+
+# Prefetch all data and repack
+
+  $ cd shallow
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > bgprefetchrevs=all()
+  > EOF
+
+  $ hg prefetch
+  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
+  $ hg repack
+  $ sleep 0.5
+  $ hg debugwaitonrepack >/dev/null 2>%1
+
+  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
+  $TESTTMP/hgcache/master/packs/9a2ea858fe2967db9b6ea4c0ca238881cae9d6eb.histpack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+
+# Ensure that all file versions were prefetched
+
+  $ hg debugdatapack $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4:
+  x:
+  Node          Delta Base    Delta Length  Blob Size
+  1406e7411862  000000000000  2             2
+  
+  Total:                      2             2         (0.0% bigger)
+  y:
+  Node          Delta Base    Delta Length  Blob Size
+  50dbc4572b8e  000000000000  3             3
+  076f5e2225b3  50dbc4572b8e  14            2
+  
+  Total:                      17            5         (240.0% bigger)
+
+# Test garbage collection during repack
+
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > bgprefetchrevs=tip
+  > gcrepack=True
+  > nodettl=86400
+  > EOF
+
+  $ hg repack
+  $ sleep 0.5
+  $ hg debugwaitonrepack >/dev/null 2>%1
+
+  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
+  $TESTTMP/hgcache/master/packs/05baa499c6b07f2bf0ea3d2c8151da1cb86f5e33.datapack
+  $TESTTMP/hgcache/master/packs/9a2ea858fe2967db9b6ea4c0ca238881cae9d6eb.histpack
+
+# Ensure that file 'x' was garbage collected. It should be GCed because it is not in the keepset
+# and is old (commit date is 0.0 in tests). Ensure that file 'y' is present as it is in the keepset.
+
+  $ hg debugdatapack $TESTTMP/hgcache/master/packs/05baa499c6b07f2bf0ea3d2c8151da1cb86f5e33.datapack
+  $TESTTMP/hgcache/master/packs/05baa499c6b07f2bf0ea3d2c8151da1cb86f5e33:
+  y:
+  Node          Delta Base    Delta Length  Blob Size
+  50dbc4572b8e  000000000000  3             3
+  
+  Total:                      3             3         (0.0% bigger)
+
+# Prefetch all data again and repack for later garbage collection
+
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > bgprefetchrevs=all()
+  > EOF
+
+  $ hg prefetch
+  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
+  $ hg repack
+  $ sleep 0.5
+  $ hg debugwaitonrepack >/dev/null 2>%1
+
+  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
+  $TESTTMP/hgcache/master/packs/9a2ea858fe2967db9b6ea4c0ca238881cae9d6eb.histpack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+
+# Ensure that all file versions were prefetched
+
+  $ hg debugdatapack $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4:
+  x:
+  Node          Delta Base    Delta Length  Blob Size
+  1406e7411862  000000000000  2             2
+  
+  Total:                      2             2         (0.0% bigger)
+  y:
+  Node          Delta Base    Delta Length  Blob Size
+  50dbc4572b8e  000000000000  3             3
+  076f5e2225b3  50dbc4572b8e  14            2
+  
+  Total:                      17            5         (240.0% bigger)
+
+# Test garbage collection during repack. Ensure that new files are not removed even though they are not in the keepset
+# For the purposes of the test the TTL of a file is set to current time + 100 seconds. i.e. all commits in tests have
+# a date of 1970 and therefore to prevent garbage collection we have to set nodettl to be farther from 1970 than we are now.
+
+  $ cat >> .hg/hgrc <<EOF
+  > [remotefilelog]
+  > bgprefetchrevs=
+  > nodettl=$(($(date +%s) + 100))
+  > EOF
+
+  $ hg repack
+  $ sleep 0.5
+  $ hg debugwaitonrepack >/dev/null 2>%1
+
+  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
+  $TESTTMP/hgcache/master/packs/9a2ea858fe2967db9b6ea4c0ca238881cae9d6eb.histpack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+
+# Ensure that all file versions were prefetched
+
+  $ hg debugdatapack $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4.datapack
+  $TESTTMP/hgcache/master/packs/f7a942a6e4673d2c7b697fdd926ca2d153831ca4:
+  x:
+  Node          Delta Base    Delta Length  Blob Size
+  1406e7411862  000000000000  2             2
+  
+  Total:                      2             2         (0.0% bigger)
+  y:
+  Node          Delta Base    Delta Length  Blob Size
+  50dbc4572b8e  000000000000  3             3
+  076f5e2225b3  50dbc4572b8e  14            2
+  
+  Total:                      17            5         (240.0% bigger)