hardlink: check directory's st_dev when copying files
Previously, when copying a file, copyfiles will compare src's st_dev with
dirname(dst)'s st_dev, to decide whether to enable hardlink or not.
That could have issues on Linux's overlayfs, where stating directories could
result in different st_dev from st_dev of stating files, even if both the
directories and the files exist in the overlay's upperdir.
This patch fixes it by checking dirname(src) instead. It's more consistent
because we are checking directories for both src and dest.
That fixes test-hardlinks.t running on common Docker setups.
$ cat > correct.py <<EOF
> def toto(arg1, arg2):
> del arg2
> return (5 + 6, 9)
> EOF
$ cat > wrong.py <<EOF
> def toto( arg1, arg2):
> del(arg2)
> return ( 5+6, 9)
> EOF
$ cat > quote.py <<EOF
> # let's use quote in comments
> (''' ( 4x5 )
> but """\\''' and finally''',
> """let's fool checkpatch""", '1+2',
> '"""', 42+1, """and
> ( 4-1 ) """, "( 1+1 )\" and ")
> a, '\\\\\\\\', "\\\\\\" x-2", "c-1"
> EOF
$ cat > classstyle.py <<EOF
> class newstyle_class(object):
> pass
>
> class oldstyle_class:
> pass
>
> class empty():
> pass
>
> no_class = 1:
> pass
> EOF
$ check_code="$TESTDIR"/../contrib/check-code.py
$ "$check_code" ./wrong.py ./correct.py ./quote.py ./classstyle.py
./wrong.py:1:
> def toto( arg1, arg2):
gratuitous whitespace in () or []
./wrong.py:2:
> del(arg2)
Python keyword is not a function
./wrong.py:3:
> return ( 5+6, 9)
gratuitous whitespace in () or []
missing whitespace in expression
./quote.py:5:
> '"""', 42+1, """and
missing whitespace in expression
./classstyle.py:4:
> class oldstyle_class:
old-style class, use class foo(object)
./classstyle.py:7:
> class empty():
class foo() creates old style object, use class foo(object)
[1]
$ cat > python3-compat.py << EOF
> foo <> bar
> reduce(lambda a, b: a + b, [1, 2, 3, 4])
> dict(key=value)
> EOF
$ "$check_code" python3-compat.py
python3-compat.py:1:
> foo <> bar
<> operator is not available in Python 3+, use !=
python3-compat.py:2:
> reduce(lambda a, b: a + b, [1, 2, 3, 4])
reduce is not available in Python 3+
python3-compat.py:3:
> dict(key=value)
dict() is different in Py2 and 3 and is slower than {}
[1]
$ cat > foo.c <<EOF
> void narf() {
> strcpy(foo, bar);
> // strcpy_s is okay, but this comment is not
> strcpy_s(foo, bar);
> }
> EOF
$ "$check_code" ./foo.c
./foo.c:2:
> strcpy(foo, bar);
don't use strcpy, use strlcpy or memcpy
./foo.c:3:
> // strcpy_s is okay, but this comment is not
don't use //-style comments
[1]
$ cat > is-op.py <<EOF
> # is-operator comparing number or string literal
> x = None
> y = x is 'foo'
> y = x is "foo"
> y = x is 5346
> y = x is -6
> y = x is not 'foo'
> y = x is not "foo"
> y = x is not 5346
> y = x is not -6
> EOF
$ "$check_code" ./is-op.py
./is-op.py:3:
> y = x is 'foo'
object comparison with literal
./is-op.py:4:
> y = x is "foo"
object comparison with literal
./is-op.py:5:
> y = x is 5346
object comparison with literal
./is-op.py:6:
> y = x is -6
object comparison with literal
./is-op.py:7:
> y = x is not 'foo'
object comparison with literal
./is-op.py:8:
> y = x is not "foo"
object comparison with literal
./is-op.py:9:
> y = x is not 5346
object comparison with literal
./is-op.py:10:
> y = x is not -6
object comparison with literal
[1]
$ cat > for-nolineno.py <<EOF
> except:
> EOF
$ "$check_code" for-nolineno.py --nolineno
for-nolineno.py:0:
> except:
naked except clause
[1]
$ cat > warning.t <<EOF
> $ function warnonly {
> > }
> $ diff -N aaa
> $ function onwarn {}
> EOF
$ "$check_code" warning.t
$ "$check_code" --warn warning.t
warning.t:1:
> $ function warnonly {
warning: don't use 'function', use old style
warning.t:3:
> $ diff -N aaa
warning: don't use 'diff -N'
warning.t:4:
> $ function onwarn {}
warning: don't use 'function', use old style
[1]
$ cat > raise-format.py <<EOF
> raise SomeException, message
> # this next line is okay
> raise SomeException(arg1, arg2)
> EOF
$ "$check_code" not-existing.py raise-format.py
Skipping*not-existing.py* (glob)
raise-format.py:1:
> raise SomeException, message
don't use old-style two-argument raise, use Exception(message)
[1]
$ cat > rst.py <<EOF
> """problematic rst text
>
> .. note::
> wrong
> """
>
> '''
>
> .. note::
>
> valid
>
> new text
>
> .. note::
>
> also valid
> '''
>
> """mixed
>
> .. note::
>
> good
>
> .. note::
> plus bad
> """
> EOF
$ $check_code -w rst.py
rst.py:3:
> .. note::
warning: add two newlines after '.. note::'
rst.py:26:
> .. note::
warning: add two newlines after '.. note::'
[1]
$ cat > ./map-inside-gettext.py <<EOF
> print _("map inside gettext %s" % v)
>
> print _("concatenating " " by " " space %s" % v)
> print _("concatenating " + " by " + " '+' %s" % v)
>
> print _("mapping operation in different line %s"
> % v)
>
> print _(
> "leading spaces inside of '(' %s" % v)
> EOF
$ "$check_code" ./map-inside-gettext.py
./map-inside-gettext.py:1:
> print _("map inside gettext %s" % v)
don't use % inside _()
./map-inside-gettext.py:3:
> print _("concatenating " " by " " space %s" % v)
don't use % inside _()
./map-inside-gettext.py:4:
> print _("concatenating " + " by " + " '+' %s" % v)
don't use % inside _()
./map-inside-gettext.py:6:
> print _("mapping operation in different line %s"
don't use % inside _()
./map-inside-gettext.py:9:
> print _(
don't use % inside _()
[1]
web templates
$ mkdir -p mercurial/templates
$ cat > mercurial/templates/example.tmpl <<EOF
> {desc}
> {desc|escape}
> {desc|firstline}
> {desc|websub}
> EOF
$ "$check_code" --warnings mercurial/templates/example.tmpl
mercurial/templates/example.tmpl:2:
> {desc|escape}
warning: follow desc keyword with either firstline or websub
[1]
'string join across lines with no space' detection
$ cat > stringjoin.py <<EOF
> foo = (' foo'
> 'bar foo.'
> 'bar foo:'
> 'bar foo@'
> 'bar foo%'
> 'bar foo*'
> 'bar foo+'
> 'bar foo-'
> 'bar')
> EOF
'missing _() in ui message' detection
$ cat > uigettext.py <<EOF
> ui.status("% 10s %05d % -3.2f %*s %%"
> # this use '\\\\' instead of '\\', because the latter in
> # heredoc on shell becomes just '\'
> '\\\\ \n \t \0'
> """12345
> """
> '''.:*+-=
> ''' "%-6d \n 123456 .:*+-= foobar")
> EOF
(Checking multiple invalid files at once examines whether caching
translation table for repquote() works as expected or not. All files
should break rules depending on result of repquote(), in this case)
$ "$check_code" stringjoin.py uigettext.py
stringjoin.py:1:
> foo = (' foo'
string join across lines with no space
stringjoin.py:2:
> 'bar foo.'
string join across lines with no space
stringjoin.py:3:
> 'bar foo:'
string join across lines with no space
stringjoin.py:4:
> 'bar foo@'
string join across lines with no space
stringjoin.py:5:
> 'bar foo%'
string join across lines with no space
stringjoin.py:6:
> 'bar foo*'
string join across lines with no space
stringjoin.py:7:
> 'bar foo+'
string join across lines with no space
stringjoin.py:8:
> 'bar foo-'
string join across lines with no space
uigettext.py:1:
> ui.status("% 10s %05d % -3.2f %*s %%"
missing _() in ui message (use () to hide false-positives)
[1]