adding a
changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     a

% -f, directory
abort: can only follow copies/renames for explicit file names
% -f, but no args
changeset:   4:8c1c8408f737
tag:         tip
user:        test
date:        Thu Jan 01 00:00:05 1970 +0000
summary:     e

changeset:   3:c4ba038c90ce
user:        test
date:        Thu Jan 01 00:00:04 1970 +0000
summary:     d

changeset:   2:21fba396af4c
user:        test
date:        Thu Jan 01 00:00:03 1970 +0000
summary:     c

changeset:   1:c0296dabce9b
user:        test
date:        Thu Jan 01 00:00:02 1970 +0000
summary:     b

changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     a

% one rename
changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
files:       a
description:
a


% many renames
changeset:   4:8c1c8408f737
tag:         tip
user:        test
date:        Thu Jan 01 00:00:05 1970 +0000
files:       dir/b e
description:
e


changeset:   2:21fba396af4c
user:        test
date:        Thu Jan 01 00:00:03 1970 +0000
files:       b dir/b
description:
c


changeset:   1:c0296dabce9b
user:        test
date:        Thu Jan 01 00:00:02 1970 +0000
files:       b
description:
b


changeset:   0:8580ff50825a
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
files:       a
description:
a


% log copies
4 e (dir/b)
3 b (a)
2 dir/b (b)
1 b (a)
0 
% log copies, non-linear manifest
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding foo
5 e (dir/b)
adding base
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b1
% log -f
changeset:   3:e62f78d544b4
tag:         tip
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     base

1 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding b2
% log -f -r 1:tip
changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   2:60c670bf5b30
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r2

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

2 files updated, 0 files merged, 1 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
% log --follow-first
changeset:   6:2404bbcab562
tag:         tip
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1.1

changeset:   5:302e9dd6890d
parent:      3:e62f78d544b4
parent:      4:ddb82e70d1a1
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     m12

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

changeset:   1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     r1

changeset:   0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     base

% log -P 2
changeset:   6:2404bbcab562
tag:         tip
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1.1

changeset:   5:302e9dd6890d
parent:      3:e62f78d544b4
parent:      4:ddb82e70d1a1
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     m12

changeset:   4:ddb82e70d1a1
parent:      0:67e992f2c4f3
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b2

changeset:   3:e62f78d544b4
parent:      1:3d5bf5654eda
user:        test
date:        Thu Jan 01 00:00:01 1970 +0000
summary:     b1

% log -r ""
abort: Ambiguous identifier!