revlog.revision(): minor cleanup
Rename some variables, making the name more obvious (in particular "cache" was
actually two different variable.
Move code around, moving the index preloading before the deltachain computation,
without that index preloading was useless (everything was read in deltachain).
# revision 0
adding copy
adding move
adding remove
adding unchanged
adding zzz1_merge_ok
adding zzz2_merge_bad
# revision 1
# local changes to revision 0
4 files updated, 0 files merged, 3 files removed, 0 files unresolved
--- a/zzz1_merge_ok
+++ b/zzz1_merge_ok
+new last line
--- a/zzz2_merge_bad
+++ b/zzz2_merge_bad
+another last line
M zzz1_merge_ok
M zzz2_merge_bad
# local merge with bad merge tool
merging zzz1_merge_ok
merging zzz2_merge_bad
merging zzz2_merge_bad failed!
3 files updated, 1 files merged, 2 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
merging zzz1_merge_ok
merging zzz2_merge_bad
warning: conflicts during merge.
merging zzz2_merge_bad failed!
2 files updated, 1 files merged, 3 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
--- a/zzz1_merge_ok
+++ b/zzz1_merge_ok
+new last line
--- a/zzz2_merge_bad
+++ b/zzz2_merge_bad
+another last line
+=======
M zzz1_merge_ok
M zzz2_merge_bad
? zzz2_merge_bad.orig
# local merge with conflicts
merging zzz1_merge_ok
merging zzz2_merge_bad
warning: conflicts during merge.
merging zzz2_merge_bad failed!
3 files updated, 1 files merged, 2 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
merging zzz1_merge_ok
merging zzz2_merge_bad
warning: conflicts during merge.
merging zzz2_merge_bad failed!
2 files updated, 1 files merged, 3 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
--- a/zzz1_merge_ok
+++ b/zzz1_merge_ok
+new last line
--- a/zzz2_merge_bad
+++ b/zzz2_merge_bad
+another last line
+=======
+=======
+new last line
+=======
M zzz1_merge_ok
M zzz2_merge_bad
? zzz2_merge_bad.orig
# local merge without conflicts
merging zzz1_merge_ok
4 files updated, 1 files merged, 2 files removed, 0 files unresolved
--- a/zzz1_merge_ok
+++ b/zzz1_merge_ok
+new last line
M zzz1_merge_ok
? zzz2_merge_bad.orig