test: drop usage of `HGMERGE` in `test-lfconvert.t`

Using configuration instead of environment variable has a strange effect on
the output, but no impact on the end result.

tests/test-lfconvert.t

@@ -1,397 +1,397 b''
   $ USERCACHE="$TESTTMP/cache"; export USERCACHE
   $ mkdir "${USERCACHE}"
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > largefiles =
   > share =
   > strip =
   > convert =
   > [largefiles]
   > minsize = 0.5
   > patterns = **.other
   >     **.dat
   > usercache=${USERCACHE}
   > EOF
 
 "lfconvert" works
   $ hg init bigfile-repo
   $ cd bigfile-repo
   $ cat >> .hg/hgrc <<EOF
   > [extensions]
   > largefiles = !
   > EOF
   $ mkdir sub
   $ dd if=/dev/zero bs=1k count=256 > large 2> /dev/null
   $ dd if=/dev/zero bs=1k count=256 > large2 2> /dev/null
   $ echo normal > normal1
   $ echo alsonormal > sub/normal2
   $ dd if=/dev/zero bs=1k count=10 > sub/maybelarge.dat 2> /dev/null
   $ hg addremove
   adding large
   adding large2
   adding normal1
   adding sub/maybelarge.dat
   adding sub/normal2
   $ hg commit -m"add large, normal1" large normal1
   $ hg commit -m"add sub/*" sub
 
 Test tag parsing
   $ cat >> .hgtags <<EOF
   > IncorrectlyFormattedTag!
   > invalidhash sometag
   > 0123456789abcdef anothertag
   > EOF
   $ hg add .hgtags
   $ hg commit -m"add large2" large2 .hgtags
 
 Test link+rename largefile codepath
   $ [ -d .hg/largefiles ] && echo fail || echo pass
   pass
   $ cd ..
   $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo
   initializing destination largefiles-repo
   skipping incorrectly formatted tag IncorrectlyFormattedTag!
   skipping incorrectly formatted id invalidhash
   no mapping for id 0123456789abcdef
 #if symlink
   $ hg --cwd bigfile-repo rename large2 large3
   $ ln -sf large bigfile-repo/large3
   $ hg --cwd bigfile-repo commit -m"make large2 a symlink" large2 large3
   $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo-symlink
   initializing destination largefiles-repo-symlink
   skipping incorrectly formatted tag IncorrectlyFormattedTag!
   skipping incorrectly formatted id invalidhash
   no mapping for id 0123456789abcdef
   abort: renamed/copied largefile large3 becomes symlink
   [255]
 #endif
   $ cd bigfile-repo
   $ hg strip --no-backup 2
   0 files updated, 0 files merged, 2 files removed, 0 files unresolved
   $ cd ..
   $ rm -rf largefiles-repo largefiles-repo-symlink
 
   $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo
   initializing destination largefiles-repo
 
 "lfconvert" converts content correctly
   $ cd largefiles-repo
   $ hg up
   getting changed largefiles
   2 largefiles updated, 0 removed
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg locate
   .hglf/large
   .hglf/sub/maybelarge.dat
   normal1
   sub/normal2
   $ cat normal1
   normal
   $ cat sub/normal2
   alsonormal
   $ md5sum.py large sub/maybelarge.dat
   ec87a838931d4d5d2e94a04644788a55  large
   1276481102f218c981e0324180bafd9f  sub/maybelarge.dat
 
 "lfconvert" adds 'largefiles' to .hg/requires.
   $ cat .hg/requires
   dotencode
   fncache
   generaldelta
   largefiles
   revlogv1
   store
   testonly-simplestore (reposimplestore !)
 
 "lfconvert" includes a newline at the end of the standin files.
   $ cat .hglf/large .hglf/sub/maybelarge.dat
   2e000fa7e85759c7f4c254d4d9c33ef481e459a7
   34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c
   $ cd ..
 
 add some changesets to rename/remove/merge
   $ cd bigfile-repo
   $ hg mv -q sub stuff
   $ hg commit -m"rename sub/ to stuff/"
   $ hg update -q 1
   $ echo blah >> normal3
   $ echo blah >> sub/normal2
   $ echo blah >> sub/maybelarge.dat
   $ md5sum.py sub/maybelarge.dat
   1dd0b99ff80e19cff409702a1d3f5e15  sub/maybelarge.dat
   $ hg commit -A -m"add normal3, modify sub/*"
   adding normal3
   created new head
   $ hg rm large normal3
   $ hg commit -q -m"remove large, normal3"
-  $ hg merge
-  merging sub/maybelarge.dat and stuff/maybelarge.dat to stuff/maybelarge.dat
+  $ HGMERGE= hg merge --config ui.merge=internal:merge
+  tool internal:merge (for pattern stuff/maybelarge.dat) can't handle binary
+  no tool found to merge stuff/maybelarge.dat
+  keep (l)ocal [working copy], take (o)ther [merge rev], or leave (u)nresolved for stuff/maybelarge.dat? u
   merging sub/normal2 and stuff/normal2 to stuff/normal2
-  warning: stuff/maybelarge.dat looks like a binary file.
-  warning: conflicts while merging stuff/maybelarge.dat! (edit, then use 'hg resolve --mark')
   0 files updated, 1 files merged, 0 files removed, 1 files unresolved
   use 'hg resolve' to retry unresolved file merges or 'hg merge --abort' to abandon
   [1]
   $ hg cat -r . sub/maybelarge.dat > stuff/maybelarge.dat
   $ hg resolve -m stuff/maybelarge.dat
   (no more unresolved files)
   $ hg commit -m"merge"
   $ hg log -G --template "{rev}:{node|short}  {desc|firstline}\n"
   @    5:4884f215abda  merge
   |\
   | o  4:7285f817b77e  remove large, normal3
   | |
   | o  3:67e3892e3534  add normal3, modify sub/*
   | |
   o |  2:c96c8beb5d56  rename sub/ to stuff/
   |/
   o  1:020c65d24e11  add sub/*
   |
   o  0:117b8328f97a  add large, normal1
   
   $ cd ..
 
 lfconvert with rename, merge, and remove
   $ rm -rf largefiles-repo
   $ hg lfconvert --size 0.2 bigfile-repo largefiles-repo
   initializing destination largefiles-repo
   $ cd largefiles-repo
   $ hg log -G --template "{rev}:{node|short}  {desc|firstline}\n"
   o    5:8e05f5f2b77e  merge
   |\
   | o  4:a5a02de7a8e4  remove large, normal3
   | |
   | o  3:55759520c76f  add normal3, modify sub/*
   | |
   o |  2:261ad3f3f037  rename sub/ to stuff/
   |/
   o  1:334e5237836d  add sub/*
   |
   o  0:d4892ec57ce2  add large, normal1
   
   $ hg locate -r 2
   .hglf/large
   .hglf/stuff/maybelarge.dat
   normal1
   stuff/normal2
   $ hg locate -r 3
   .hglf/large
   .hglf/sub/maybelarge.dat
   normal1
   normal3
   sub/normal2
   $ hg locate -r 4
   .hglf/sub/maybelarge.dat
   normal1
   sub/normal2
   $ hg locate -r 5
   .hglf/stuff/maybelarge.dat
   normal1
   stuff/normal2
   $ hg update
   getting changed largefiles
   1 largefiles updated, 0 removed
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cat stuff/normal2
   alsonormal
   blah
   $ md5sum.py stuff/maybelarge.dat
   1dd0b99ff80e19cff409702a1d3f5e15  stuff/maybelarge.dat
   $ cat .hglf/stuff/maybelarge.dat
   76236b6a2c6102826c61af4297dd738fb3b1de38
   $ cd ..
 
 "lfconvert" error cases
   $ hg lfconvert http://localhost/foo foo
   abort: http://localhost/foo is not a local Mercurial repo
   [255]
   $ hg lfconvert foo ssh://localhost/foo
   abort: ssh://localhost/foo is not a local Mercurial repo
   [255]
   $ hg lfconvert nosuchrepo foo
   abort: repository nosuchrepo not found!
   [255]
   $ hg share -q -U bigfile-repo shared
   $ printf 'bogus' > shared/.hg/sharedpath
   $ hg lfconvert shared foo
   abort: .hg/sharedpath points to nonexistent directory $TESTTMP/bogus!
   [255]
   $ hg lfconvert bigfile-repo largefiles-repo
   initializing destination largefiles-repo
   abort: repository largefiles-repo already exists!
   [255]
 
 add another largefile to the new largefiles repo
   $ cd largefiles-repo
   $ dd if=/dev/zero bs=1k count=1k > anotherlarge 2> /dev/null
   $ hg add --lfsize=1 anotherlarge
   $ hg commit -m "add anotherlarge (should be a largefile)"
   $ cat .hglf/anotherlarge
   3b71f43ff30f4b15b5cd85dd9e95ebc7e84eb5a3
   $ hg tag mytag
   $ cd ..
 
 round-trip: converting back to a normal (non-largefiles) repo with
 "lfconvert --to-normal" should give the same as ../bigfile-repo.  The
 convert extension is disabled to show config items can be loaded without it.
   $ cd largefiles-repo
   $ hg --config extensions.convert=! lfconvert --to-normal . ../normal-repo
   initializing destination ../normal-repo
   0 additional largefiles cached
   scanning source...
   sorting...
   converting...
   7 add large, normal1
   6 add sub/*
   5 rename sub/ to stuff/
   4 add normal3, modify sub/*
   3 remove large, normal3
   2 merge
   1 add anotherlarge (should be a largefile)
   0 Added tag mytag for changeset abacddda7028
   $ cd ../normal-repo
   $ cat >> .hg/hgrc <<EOF
   > [extensions]
   > largefiles = !
   > EOF
 
   $ hg log -G --template "{rev}:{node|short}  {desc|firstline}\n"
   o  7:b5fedc110b9d  Added tag mytag for changeset 867ab992ecf4
   |
   o  6:867ab992ecf4  add anotherlarge (should be a largefile)
   |
   o    5:4884f215abda  merge
   |\
   | o  4:7285f817b77e  remove large, normal3
   | |
   | o  3:67e3892e3534  add normal3, modify sub/*
   | |
   o |  2:c96c8beb5d56  rename sub/ to stuff/
   |/
   o  1:020c65d24e11  add sub/*
   |
   o  0:117b8328f97a  add large, normal1
   
   $ hg update
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg locate
   .hgtags
   anotherlarge
   normal1
   stuff/maybelarge.dat
   stuff/normal2
   $ [ -d .hg/largefiles ] && echo fail || echo pass
   pass
 
   $ cd ..
 
 Clearing the usercache ensures that commitctx doesn't try to cache largefiles
 from the working dir on a convert.
   $ rm "${USERCACHE}"/*
   $ hg convert largefiles-repo
   assuming destination largefiles-repo-hg
   initializing destination largefiles-repo-hg repository
   scanning source...
   sorting...
   converting...
   7 add large, normal1
   6 add sub/*
   5 rename sub/ to stuff/
   4 add normal3, modify sub/*
   3 remove large, normal3
   2 merge
   1 add anotherlarge (should be a largefile)
   0 Added tag mytag for changeset abacddda7028
 
   $ hg -R largefiles-repo-hg log -G --template "{rev}:{node|short}  {desc|firstline}\n"
   o  7:2f08f66459b7  Added tag mytag for changeset 17126745edfd
   |
   o  6:17126745edfd  add anotherlarge (should be a largefile)
   |
   o    5:9cc5aa7204f0  merge
   |\
   | o  4:a5a02de7a8e4  remove large, normal3
   | |
   | o  3:55759520c76f  add normal3, modify sub/*
   | |
   o |  2:261ad3f3f037  rename sub/ to stuff/
   |/
   o  1:334e5237836d  add sub/*
   |
   o  0:d4892ec57ce2  add large, normal1
   
 Verify will fail (for now) if the usercache is purged before converting, since
 largefiles are not cached in the converted repo's local store by the conversion
 process.
   $ cd largefiles-repo-hg
   $ cat >> .hg/hgrc <<EOF
   > [experimental]
   > evolution.createmarkers=True
   > EOF
   $ hg debugobsolete `hg log -r tip -T "{node}"`
   obsoleted 1 changesets
   $ cd ..
 
   $ hg -R largefiles-repo-hg verify --large --lfa
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   checked 8 changesets with 13 changes to 9 files
   searching 7 changesets for largefiles
   changeset 0:d4892ec57ce2: large references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/2e000fa7e85759c7f4c254d4d9c33ef481e459a7
   changeset 1:334e5237836d: sub/maybelarge.dat references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c
   changeset 2:261ad3f3f037: stuff/maybelarge.dat references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c
   changeset 3:55759520c76f: sub/maybelarge.dat references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/76236b6a2c6102826c61af4297dd738fb3b1de38
   changeset 5:9cc5aa7204f0: stuff/maybelarge.dat references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/76236b6a2c6102826c61af4297dd738fb3b1de38
   changeset 6:17126745edfd: anotherlarge references missing $TESTTMP/largefiles-repo-hg/.hg/largefiles/3b71f43ff30f4b15b5cd85dd9e95ebc7e84eb5a3
   verified existence of 6 revisions of 4 largefiles
   [1]
   $ hg -R largefiles-repo-hg showconfig paths
   [1]
 
 
 Avoid a traceback if a largefile isn't available (issue3519)
 
 Ensure the largefile can be cached in the source if necessary
   $ hg clone -U largefiles-repo issue3519
   $ rm -f "${USERCACHE}"/*
   $ hg lfconvert --to-normal issue3519 normalized3519
   initializing destination normalized3519
   4 additional largefiles cached
   scanning source...
   sorting...
   converting...
   7 add large, normal1
   6 add sub/*
   5 rename sub/ to stuff/
   4 add normal3, modify sub/*
   3 remove large, normal3
   2 merge
   1 add anotherlarge (should be a largefile)
   0 Added tag mytag for changeset abacddda7028
 
 Ensure the abort message is useful if a largefile is entirely unavailable
   $ rm -rf normalized3519
   $ rm "${USERCACHE}"/*
   $ rm issue3519/.hg/largefiles/*
   $ rm largefiles-repo/.hg/largefiles/*
   $ hg lfconvert --to-normal issue3519 normalized3519
   initializing destination normalized3519
   anotherlarge: largefile 3b71f43ff30f4b15b5cd85dd9e95ebc7e84eb5a3 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   stuff/maybelarge.dat: largefile 76236b6a2c6102826c61af4297dd738fb3b1de38 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   stuff/maybelarge.dat: largefile 76236b6a2c6102826c61af4297dd738fb3b1de38 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   sub/maybelarge.dat: largefile 76236b6a2c6102826c61af4297dd738fb3b1de38 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   large: largefile 2e000fa7e85759c7f4c254d4d9c33ef481e459a7 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   sub/maybelarge.dat: largefile 76236b6a2c6102826c61af4297dd738fb3b1de38 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   large: largefile 2e000fa7e85759c7f4c254d4d9c33ef481e459a7 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   stuff/maybelarge.dat: largefile 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c not available from file:/*/$TESTTMP/largefiles-repo (glob)
   large: largefile 2e000fa7e85759c7f4c254d4d9c33ef481e459a7 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   sub/maybelarge.dat: largefile 34e163be8e43c5631d8b92e9c43ab0bf0fa62b9c not available from file:/*/$TESTTMP/largefiles-repo (glob)
   large: largefile 2e000fa7e85759c7f4c254d4d9c33ef481e459a7 not available from file:/*/$TESTTMP/largefiles-repo (glob)
   0 additional largefiles cached
   11 largefiles failed to download
   abort: all largefiles must be present locally
   [255]