upstream/mercurial-mirror Files · tests/test-debugcommands.t

tryimportone: use dirstateguard instead of beginparentchange/endparentchange...

tryimportone: use dirstateguard instead of beginparentchange/endparentchange To fix the issue that the recent (in memory) dirstate isn't visible to external process (e.g. "precommit" hook), a subsequent patch makes "localrepository.commit()" invoke "dirstate.write()" in it. This change will make "beginparentchange()" and "endparentchange()" on dirstate in "cmdutil.tryimportone()" meaningless, because: - "dirstate.write()" writes changed data into ".hg/dirstate", but - aborting between "beginparentchange()" and "endparentchange()" doesn't cause any restoring ".hg/dirstate" it just discards changes in memory. This patch uses "dirstateguard" instead of "beginparentchange()" and "endparentchange()" in "cmdutil.tryimportone()" to restore ".hg/dirstate" during a failure even if "dirstate.write()" is executed before a failure. This patch uses "lockmod.release(dsguard)" instead of "dsguard.release()", because processing may be aborted before assignment to "dsguard" , and the "if dsguard" examination for safety is redundant.

Gregory Szorc - - Load All Authors

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        $ hg init debugrevlog

        $ cd debugrevlog

        $ echo a > a

        $ hg ci -Am adda

        adding a

        $ hg debugrevlog -m

        format : 1

        flags  : inline

        revisions     :  1

            merges    :  0 ( 0.00%)

            normal    :  1 (100.00%)

        revisions     :  1

            full      :  1 (100.00%)

            deltas    :  0 ( 0.00%)

        revision size : 44

            full      : 44 (100.00%)

            deltas    :  0 ( 0.00%)

        avg chain length  : 0

        max chain length  : 0

        compression ratio : 0

        uncompressed data size (min/max/avg) : 43 / 43 / 43

        full revision size (min/max/avg)     : 44 / 44 / 44

        delta size (min/max/avg)             : 0 / 0 / 0

      Test debugindex, with and without the --debug flag

        $ hg debugindex a

           rev    offset  length   .... linkrev nodeid       p1           p2 (re)

             0         0       3   ....       0 b789fdd96dc2 000000000000 000000000000 (re)

        $ hg --debug debugindex a

           rev    offset  length   .... linkrev nodeid                                   p1                                       p2 (re)

             0         0       3   ....       0 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 (re)

        $ hg debugindex -f 1 a

           rev flag   offset   length     size   ....   link     p1     p2       nodeid (re)

             0 0000        0        3        2   ....      0     -1     -1 b789fdd96dc2 (re)

        $ hg --debug debugindex -f 1 a

           rev flag   offset   length     size   ....   link     p1     p2                                   nodeid (re)

             0 0000        0        3        2   ....      0     -1     -1 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 (re)

      Test max chain len

        $ cat >> $HGRCPATH << EOF

        > [format]

        > maxchainlen=4

        > EOF

        $ printf "This test checks if maxchainlen config value is respected also it can serve as basic test for debugrevlog -d <file>.\n" >> a

        $ hg ci -m a

        $ printf "b\n" >> a

        $ hg ci -m a

        $ printf "c\n" >> a

        $ hg ci -m a

        $ printf "d\n" >> a

        $ hg ci -m a

        $ printf "e\n" >> a

        $ hg ci -m a

        $ printf "f\n" >> a

        $ hg ci -m a

        $ printf 'g\n' >> a

        $ hg ci -m a

        $ printf 'h\n' >> a

        $ hg ci -m a

        $ hg debugrevlog -d a

        # rev p1rev p2rev start   end deltastart base   p1   p2 rawsize totalsize compression heads chainlen

            0    -1    -1     0   ???          0    0    0    0     ???      ????           ?     1        0 (glob)

            1     0    -1   ???   ???          0    0    0    0     ???      ????           ?     1        1 (glob)

            2     1    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        2 (glob)

            3     2    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        3 (glob)

            4     3    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        4 (glob)

            5     4    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        0 (glob)

            6     5    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        1 (glob)

            7     6    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        2 (glob)

            8     7    -1   ???   ???        ???  ???  ???    0     ???      ????           ?     1        3 (glob)

        $ cd ..

      Test internal debugstacktrace command

        $ cat > debugstacktrace.py << EOF

        > from mercurial.util import debugstacktrace, dst, sys

        > def f():

        >     dst('hello world')

        > def g():

        >     f()

        >     debugstacktrace(skip=-5, f=sys.stdout)

        > g()

        > EOF

        $ python debugstacktrace.py

        hello world at:

         debugstacktrace.py:7 in * (glob)

         debugstacktrace.py:5 in g

         debugstacktrace.py:3 in f

        stacktrace at:

         debugstacktrace.py:7 *in * (glob)

         debugstacktrace.py:6 *in g (glob)

         */util.py:* in debugstacktrace (glob)

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				$ hg init debugrevlog
				$ cd debugrevlog
				$ echo a > a
				$ hg ci -Am adda
				adding a
				$ hg debugrevlog -m
				format : 1
				flags : inline

				revisions : 1
				merges : 0 ( 0.00%)
				normal : 1 (100.00%)
				revisions : 1
				full : 1 (100.00%)
				deltas : 0 ( 0.00%)
				revision size : 44
				full : 44 (100.00%)
				deltas : 0 ( 0.00%)

				avg chain length : 0
				max chain length : 0
				compression ratio : 0

				uncompressed data size (min/max/avg) : 43 / 43 / 43
				full revision size (min/max/avg) : 44 / 44 / 44
				delta size (min/max/avg) : 0 / 0 / 0

				Test debugindex, with and without the --debug flag
				$ hg debugindex a
				rev offset length .... linkrev nodeid p1 p2 (re)
				0 0 3 .... 0 b789fdd96dc2 000000000000 000000000000 (re)
				$ hg --debug debugindex a
				rev offset length .... linkrev nodeid p1 p2 (re)
				0 0 3 .... 0 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000 (re)
				$ hg debugindex -f 1 a
				rev flag offset length size .... link p1 p2 nodeid (re)
				0 0000 0 3 2 .... 0 -1 -1 b789fdd96dc2 (re)
				$ hg --debug debugindex -f 1 a
				rev flag offset length size .... link p1 p2 nodeid (re)
				0 0000 0 3 2 .... 0 -1 -1 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 (re)


				Test max chain len
				$ cat >> $HGRCPATH << EOF
				> [format]
				> maxchainlen=4
				> EOF

				$ printf "This test checks if maxchainlen config value is respected also it can serve as basic test for debugrevlog -d <file>.\n" >> a
				$ hg ci -m a
				$ printf "b\n" >> a
				$ hg ci -m a
				$ printf "c\n" >> a
				$ hg ci -m a
				$ printf "d\n" >> a
				$ hg ci -m a
				$ printf "e\n" >> a
				$ hg ci -m a
				$ printf "f\n" >> a
				$ hg ci -m a
				$ printf 'g\n' >> a
				$ hg ci -m a
				$ printf 'h\n' >> a
				$ hg ci -m a
				$ hg debugrevlog -d a
				# rev p1rev p2rev start end deltastart base p1 p2 rawsize totalsize compression heads chainlen
				0 -1 -1 0 ??? 0 0 0 0 ??? ???? ? 1 0 (glob)
				1 0 -1 ??? ??? 0 0 0 0 ??? ???? ? 1 1 (glob)
				2 1 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 2 (glob)
				3 2 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 3 (glob)
				4 3 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 4 (glob)
				5 4 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 0 (glob)
				6 5 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 1 (glob)
				7 6 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 2 (glob)
				8 7 -1 ??? ??? ??? ??? ??? 0 ??? ???? ? 1 3 (glob)
				$ cd ..

				Test internal debugstacktrace command

				$ cat > debugstacktrace.py << EOF
				> from mercurial.util import debugstacktrace, dst, sys
				> def f():
				> dst('hello world')
				> def g():
				> f()
				> debugstacktrace(skip=-5, f=sys.stdout)
				> g()
				> EOF
				$ python debugstacktrace.py
				hello world at:
				debugstacktrace.py:7 in * (glob)
				debugstacktrace.py:5 in g
				debugstacktrace.py:3 in f
				stacktrace at:
				debugstacktrace.py:7 in (glob)
				debugstacktrace.py:6 *in g (glob)
				/util.py: in debugstacktrace (glob)