$ cat << EOF >> $HGRCPATH

  > [ui]

  > interactive=yes

  > EOF

  $ hg init debugrevlog

  $ cd debugrevlog

  $ echo a > a

  $ hg ci -Am adda

  adding a

  $ hg rm .

  removing a

  $ hg ci -Am make-it-empty

  $ hg revert --all -r 0

  adding a

  $ hg ci -Am make-it-full

#if reporevlogstore

  $ hg debugrevlog -m

  format : 1

  flags  : inline, generaldelta

  revisions     :  3

      merges    :  0 ( 0.00%)

      normal    :  3 (100.00%)

  revisions     :  3

      empty     :  1 (33.33%)

                     text  :  1 (100.00%)

                     delta :  0 ( 0.00%)

      full      :  2 (66.67%)

      deltas    :  0 ( 0.00%)

  revision size : 88

      full      : 88 (100.00%)

      deltas    :  0 ( 0.00%)

  chunks        :  3

      empty     :  1 (33.33%)

      0x75 (u)  :  2 (66.67%)

  chunks size   : 88

      empty     :  0 ( 0.00%)

      0x75 (u)  : 88 (100.00%)

  avg chain length  :  0

  max chain length  :  0

  max chain reach   : 44

  compression ratio :  0

  uncompressed data size (min/max/avg) : 0 / 43 / 28

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

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

#endif

Test debugindex, with and without the --verbose/--debug flag

  $ hg debugindex a

     rev linkrev nodeid       p1           p2

       0       0 b789fdd96dc2 000000000000 000000000000

#if no-reposimplestore

  $ hg --verbose debugindex a

     rev    offset  length linkrev nodeid       p1           p2

       0         0       3       0 b789fdd96dc2 000000000000 000000000000

  $ hg --debug debugindex a

     rev    offset  length linkrev nodeid                                   p1                                       p2

       0         0       3       0 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3 0000000000000000000000000000000000000000 0000000000000000000000000000000000000000

#endif

  $ hg debugindex -f 1 a

     rev flag     size   link     p1     p2       nodeid

       0 0000        2      0     -1     -1 b789fdd96dc2

#if no-reposimplestore

  $ hg --verbose debugindex -f 1 a

     rev flag   offset   length     size   link     p1     p2       nodeid

       0 0000        0        3        2      0     -1     -1 b789fdd96dc2

  $ hg --debug debugindex -f 1 a

     rev flag   offset   length     size   link     p1     p2                                   nodeid

       0 0000        0        3        2      0     -1     -1 b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3

#endif

debugdelta chain basic output

#if reporevlogstore

  $ hg debugdeltachain -m

      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio

        0       1        1       -1    base         44         43         44   1.02326        44         0    0.00000

        1       2        1       -1    base          0          0          0   0.00000         0         0    0.00000

        2       3        1       -1    base         44         43         44   1.02326        44         0    0.00000

  $ hg debugdeltachain -m -T '{rev} {chainid} {chainlen}\n'

  0 1 1

  1 2 1

  2 3 1

  $ hg debugdeltachain -m -Tjson

  [

   {

    "chainid": 1,

    "chainlen": 1,

    "chainratio": 1.02325581395,

    "chainsize": 44,

    "compsize": 44,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0.0,

    "lindist": 44,

    "prevrev": -1,

    "rev": 0,

    "uncompsize": 43

   },

   {

    "chainid": 2,

    "chainlen": 1,

    "chainratio": 0,

    "chainsize": 0,

    "compsize": 0,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0,

    "lindist": 0,

    "prevrev": -1,

    "rev": 1,

    "uncompsize": 0

   },

   {

    "chainid": 3,

    "chainlen": 1,

    "chainratio": 1.02325581395,

    "chainsize": 44,

    "compsize": 44,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0.0,

    "lindist": 44,

    "prevrev": -1,

    "rev": 2,

    "uncompsize": 43

   }

  ]

debugdelta chain with sparse read enabled

  $ cat >> $HGRCPATH <<EOF

  > [experimental]

  > sparse-read = True

  > EOF

  $ hg debugdeltachain -m

      rev  chain# chainlen     prev   delta       size    rawsize  chainsize     ratio   lindist extradist extraratio   readsize largestblk rddensity srchunks

        0       1        1       -1    base         44         43         44   1.02326        44         0    0.00000         44         44   1.00000        1

        1       2        1       -1    base          0          0          0   0.00000         0         0    0.00000          0          0   1.00000        1

        2       3        1       -1    base         44         43         44   1.02326        44         0    0.00000         44         44   1.00000        1

  $ hg debugdeltachain -m -T '{rev} {chainid} {chainlen} {readsize} {largestblock} {readdensity}\n'

  0 1 1 44 44 1.0

  1 2 1 0 0 1

  2 3 1 44 44 1.0

  $ hg debugdeltachain -m -Tjson

  [

   {

    "chainid": 1,

    "chainlen": 1,

    "chainratio": 1.02325581395,

    "chainsize": 44,

    "compsize": 44,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0.0,

    "largestblock": 44,

    "lindist": 44,

    "prevrev": -1,

    "readdensity": 1.0,

    "readsize": 44,

    "rev": 0,

    "srchunks": 1,

    "uncompsize": 43

   },

   {

    "chainid": 2,

    "chainlen": 1,

    "chainratio": 0,

    "chainsize": 0,

    "compsize": 0,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0,

    "largestblock": 0,

    "lindist": 0,

    "prevrev": -1,

    "readdensity": 1,

    "readsize": 0,

    "rev": 1,

    "srchunks": 1,

    "uncompsize": 0

   },

   {

    "chainid": 3,

    "chainlen": 1,

    "chainratio": 1.02325581395,

    "chainsize": 44,

    "compsize": 44,

    "deltatype": "base",

    "extradist": 0,

    "extraratio": 0.0,

    "largestblock": 44,

    "lindist": 44,

    "prevrev": -1,

    "readdensity": 1.0,

    "readsize": 44,

    "rev": 2,

    "srchunks": 1,

    "uncompsize": 43

   }

  ]

  $ printf "This test checks things.\n" >> a

  $ hg ci -m a

  $ hg branch other

  marked working directory as branch other

  (branches are permanent and global, did you want a bookmark?)

  $ for i in `$TESTDIR/seq.py 5`; do

  >   printf "shorter ${i}" >> a

  >   hg ci -m "a other:$i"

  >   hg up -q default

  >   printf "for the branch default we want longer chains: ${i}" >> a

  >   hg ci -m "a default:$i"

  >   hg up -q other

  > done

  $ hg debugdeltachain a -T '{rev} {srchunks}\n' \

  >    --config experimental.sparse-read.density-threshold=0.50 \

  >    --config experimental.sparse-read.min-gap-size=0

  0 1

  1 1

  2 1

  3 1

  4 1

  5 1

  6 1

  7 1

  8 1

  9 1

  10 2

  11 1

  $ hg --config extensions.strip= strip --no-backup -r 1

  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

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)

#endif

Test debuglocks command:

  $ hg debuglocks

  lock:  free

  wlock: free

* Test setting the lock

waitlock <file> will wait for file to be created. If it isn't in a reasonable

amount of time, displays error message and returns 1

  $ waitlock() {

  >     start=`date +%s`

  >     timeout=5

  >     while [ \( ! -f $1 \) -a \( ! -L $1 \) ]; do

  >         now=`date +%s`

  >         if [ "`expr $now - $start`" -gt $timeout ]; then

  >             echo "timeout: $1 was not created in $timeout seconds"

  >             return 1

  >         fi

  >         sleep 0.1

  >     done

  > }

  $ dolock() {

  >     {

  >         waitlock .hg/unlock

  >         rm -f .hg/unlock

  >         echo y

  >     } | hg debuglocks "$@" > /dev/null

  > }