subrepo: implement "storeclean" method for mercurial subrepos The mercurial subrepo "storeclean" method works by calculating a "store hash" of the repository state and comparing it to a cached store hash. The store hash is always cached when the repository is cloned from or pushed to a remote repository, but also on pull as long as the repository already had a clean store. If the hashes match the store is "clean" versus the selected repository. Note that this method is currenty unused, but it will be used by a later patch. The store hash is calculated by hashing several key repository files, such as the bookmarks file the phaseroots file and the changelog. Note that the hash comparison is done file by file so that we can exit early if a pair of hashes do not match. Also the hashes are calculated starting with the file that is most likely to be smaller upto the file that is more likely to be larger.

     1

Test for changeset ba7c74081861

     2

(update dirstate correctly for non-branchmerge updates)

     3

  $ hg init a

     4

  $ cd a

     5

  $ echo a > a

     6

  $ hg add a

     7

  $ hg commit -m a

     8

  $ cd ..

     9

  $ hg clone a b

    10

  updating to branch default

    11

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

    12

  $ cd a

    13

  $ hg mv a b

    14

  $ hg commit -m move

    15

  $ echo b >> b

    16

  $ hg commit -m b

    17

  $ cd ../b

    18

  $ hg pull ../a

    19

  pulling from ../a

    20

  searching for changes

    21

  adding changesets

    22

  adding manifests

    23

  adding file changes

    24

  added 2 changesets with 2 changes to 1 files

    25

  (run 'hg update' to get a working copy)

    26

  $ hg update

    27

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

    28

    29

  $ cd ..