subrepo: lazily update git's local tracking branches
This continues the strategy of separation between hg pull and hg update in
git subrepos by only dealing with git's branches on an update. This behavior
tries to cover the bare essentials of the semantics of git pull in the subrepo
when the parent repo does hg pull and hg update.
$ hg init
should fail
$ hg add .hg/00changelog.i
abort: path contains illegal component: .hg/00changelog.i
[255]
$ mkdir a
$ echo a > a/a
$ hg ci -Ama
adding a/a
$ ln -s a b
$ echo b > a/b
should fail
$ hg add b/b
abort: path 'b/b' traverses symbolic link 'b'
[255]
should succeed
$ hg add b
should still fail - maybe
$ hg add b/b
abort: path 'b/b' traverses symbolic link 'b'
[255]
unbundle tampered bundle
$ hg init target
$ cd target
$ hg unbundle $TESTDIR/tampered.hg
adding changesets
adding manifests
adding file changes
added 5 changesets with 6 changes to 6 files (+4 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
attack .hg/test
$ hg manifest -r0
.hg/test
$ hg update -Cr0
abort: path contains illegal component: .hg/test
[255]
attack foo/.hg/test
$ hg manifest -r1
foo/.hg/test
$ hg update -Cr1
abort: path 'foo/.hg/test' is inside repo 'foo'
[255]
attack back/test where back symlinks to ..
$ hg manifest -r2
back
back/test
$ hg update -Cr2
abort: path 'back/test' traverses symbolic link 'back'
[255]
attack ../test
$ hg manifest -r3
../test
$ hg update -Cr3
abort: path contains illegal component: ../test
[255]
attack /tmp/test
$ hg manifest -r4
/tmp/test
$ hg update -Cr4
abort: No such file or directory: $TESTTMP/target//tmp/test
[255]