tests: replace "cp -r" with "cp -R"
The POSIX documentation about "cp" [1] says:
....
RATIONALE
....
Earlier versions of this standard included support for the -r option to
copy file hierarchies. The -r option is historical practice on BSD and
BSD-derived systems. This option is no longer specified by POSIX.1-2008
but may be present in some implementations. The -R option was added as a
close synonym to the -r option, selected for consistency with all other
options in this volume of POSIX.1-2008 that do recursive directory
descent.
The difference between -R and the removed -r option is in the treatment
by cp of file types other than regular and directory. It was
implementation-defined how the - option treated special files to allow
both historical implementations and those that chose to support -r with
the same abilities as -R defined by this volume of POSIX.1-2008. The
original -r flag, for historic reasons, did not handle special files any
differently from regular files, but always read the file and copied its
contents. This had obvious problems in the presence of special file
types; for example, character devices, FIFOs, and sockets.
....
....
Issue 6
The -r option is marked obsolescent.
....
Issue 7
....
The obsolescent -r option is removed.
....
(No "Issue 8" yet)
Therefore it's clear that "cp -R" is strictly better than "cp -r".
The issue was discovered when running tests on OS X after 0d87b1caed92.
[1]: pubs.opengroup.org/onlinepubs/9699919799/utilities/cp.html
plain
$ hg init
$ hg debugbuilddag '+2:f +3:p2 @temp <f+4 @default /p2 +2' \
> --config extensions.progress= --config progress.assume-tty=1 \
> --config progress.delay=0 --config progress.refresh=0 \
> --config progress.format=topic,bar,number \
> --config progress.width=60
\r (no-eol) (esc)
building [ ] 0/12\r (no-eol) (esc)
building [ ] 0/12\r (no-eol) (esc)
building [==> ] 1/12\r (no-eol) (esc)
building [==> ] 1/12\r (no-eol) (esc)
building [======> ] 2/12\r (no-eol) (esc)
building [=========> ] 3/12\r (no-eol) (esc)
building [=============> ] 4/12\r (no-eol) (esc)
building [=============> ] 4/12\r (no-eol) (esc)
building [=============> ] 4/12\r (no-eol) (esc)
building [================> ] 5/12\r (no-eol) (esc)
building [====================> ] 6/12\r (no-eol) (esc)
building [=======================> ] 7/12\r (no-eol) (esc)
building [===========================> ] 8/12\r (no-eol) (esc)
building [===========================> ] 8/12\r (no-eol) (esc)
building [==============================> ] 9/12\r (no-eol) (esc)
building [==================================> ] 10/12\r (no-eol) (esc)
building [=====================================> ] 11/12\r (no-eol) (esc)
\r (no-eol) (esc)
tags
$ cat .hg/localtags
66f7d451a68b85ed82ff5fcc254daf50c74144bd f
bebd167eb94d257ace0e814aeb98e6972ed2970d p2
dag
$ hg debugdag -t -b
+2:f
+3:p2
@temp*f+3
@default*/p2+2:tip
tip
$ hg id
000000000000
glog
$ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n'
o 11: r11 [] @ 11.00
|
o 10: r10 [] @ 10.00
|
o 9: r9 [] @ 9.00
|\
| o 8: r8 [temp] @ 8.00
| |
| o 7: r7 [temp] @ 7.00
| |
| o 6: r6 [temp] @ 6.00
| |
| o 5: r5 [temp] @ 5.00
| |
o | 4: r4 [] @ 4.00
| |
o | 3: r3 [] @ 3.00
| |
o | 2: r2 [] @ 2.00
|/
o 1: r1 [] @ 1.00
|
o 0: r0 [] @ 0.00
overwritten files, starting on a non-default branch
$ rm -r .hg
$ hg init
$ hg debugbuilddag '@start.@default.:f +3:p2 @temp <f+4 @default /p2 +2' -q -o
tags
$ cat .hg/localtags
f778700ebd50fcf282b23a4446bd155da6453eb6 f
bbccf169769006e2490efd2a02f11c3d38d462bd p2
dag
$ hg debugdag -t -b
@start+1
@default+1:f
+3:p2
@temp*f+3
@default*/p2+2:tip
tip
$ hg id
000000000000
glog
$ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n'
o 11: r11 [] @ 11.00
|
o 10: r10 [] @ 10.00
|
o 9: r9 [] @ 9.00
|\
| o 8: r8 [temp] @ 8.00
| |
| o 7: r7 [temp] @ 7.00
| |
| o 6: r6 [temp] @ 6.00
| |
| o 5: r5 [temp] @ 5.00
| |
o | 4: r4 [] @ 4.00
| |
o | 3: r3 [] @ 3.00
| |
o | 2: r2 [] @ 2.00
|/
o 1: r1 [] @ 1.00
|
o 0: r0 [start] @ 0.00
glog of
$ hg log -G --template '{rev}: {desc} [{branches}]\n' of
o 11: r11 []
|
o 10: r10 []
|
o 9: r9 []
|\
| o 8: r8 [temp]
| |
| o 7: r7 [temp]
| |
| o 6: r6 [temp]
| |
| o 5: r5 [temp]
| |
o | 4: r4 []
| |
o | 3: r3 []
| |
o | 2: r2 []
|/
o 1: r1 []
|
o 0: r0 [start]
tags
$ hg tags -v
tip 11:9ffe238a67a2
p2 4:bbccf1697690 local
f 1:f778700ebd50 local
cat of
$ hg cat of --rev tip
r11
new and mergeable files
$ rm -r .hg
$ hg init
$ hg debugbuilddag '+2:f +3:p2 @temp <f+4 @default /p2 +2' -q -mn
dag
$ hg debugdag -t -b
+2:f
+3:p2
@temp*f+3
@default*/p2+2:tip
tip
$ hg id
000000000000
glog
$ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n'
o 11: r11 [] @ 11.00
|
o 10: r10 [] @ 10.00
|
o 9: r9 [] @ 9.00
|\
| o 8: r8 [temp] @ 8.00
| |
| o 7: r7 [temp] @ 7.00
| |
| o 6: r6 [temp] @ 6.00
| |
| o 5: r5 [temp] @ 5.00
| |
o | 4: r4 [] @ 4.00
| |
o | 3: r3 [] @ 3.00
| |
o | 2: r2 [] @ 2.00
|/
o 1: r1 [] @ 1.00
|
o 0: r0 [] @ 0.00
glog mf
$ hg log -G --template '{rev}: {desc} [{branches}]\n' mf
o 11: r11 []
|
o 10: r10 []
|
o 9: r9 []
|\
| o 8: r8 [temp]
| |
| o 7: r7 [temp]
| |
| o 6: r6 [temp]
| |
| o 5: r5 [temp]
| |
o | 4: r4 []
| |
o | 3: r3 []
| |
o | 2: r2 []
|/
o 1: r1 []
|
o 0: r0 []
man r4
$ hg manifest -r4
mf
nf0
nf1
nf2
nf3
nf4
cat r4 mf
$ hg cat -r4 mf
0 r0
1
2 r1
3
4 r2
5
6 r3
7
8 r4
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
man r8
$ hg manifest -r8
mf
nf0
nf1
nf5
nf6
nf7
nf8
cat r8 mf
$ hg cat -r8 mf
0 r0
1
2 r1
3
4
5
6
7
8
9
10 r5
11
12 r6
13
14 r7
15
16 r8
17
18
19
20
21
22
23
man
$ hg manifest --rev tip
mf
nf0
nf1
nf10
nf11
nf2
nf3
nf4
nf5
nf6
nf7
nf8
nf9
cat mf
$ hg cat mf --rev tip
0 r0
1
2 r1
3
4 r2
5
6 r3
7
8 r4
9
10 r5
11
12 r6
13
14 r7
15
16 r8
17
18 r9
19
20 r10
21
22 r11
23