$ hg init repo
$ cd repo
$ hg init subrepo
$ echo a > subrepo/a
$ hg -R subrepo ci -Am adda
adding a
$ echo 'subrepo = subrepo' > .hgsub
$ hg ci -Am addsubrepo
adding .hgsub
$ echo b > subrepo/b
$ hg -R subrepo ci -Am addb
adding b
$ hg ci -m updatedsub
ignore blanklines in .hgsubstate
>>> file('.hgsubstate', 'wb').write('\n\n \t \n \n')
$ hg st --subrepos
M .hgsubstate
$ hg revert -qC .hgsubstate
abort more gracefully on .hgsubstate parsing error
$ cp .hgsubstate .hgsubstate.old
>>> file('.hgsubstate', 'wb').write('\ninvalid')
$ hg st --subrepos
abort: invalid subrepository revision specifier in .hgsubstate line 2
[255]
$ mv .hgsubstate.old .hgsubstate
delete .hgsub and revert it
$ rm .hgsub
$ hg revert .hgsub
warning: subrepo spec file .hgsub not found
warning: subrepo spec file .hgsub not found
delete .hgsubstate and revert it
$ rm .hgsubstate
$ hg revert .hgsubstate
delete .hgsub and update
$ rm .hgsub
$ hg up 0
warning: subrepo spec file .hgsub not found
warning: subrepo spec file .hgsub not found
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg st
warning: subrepo spec file .hgsub not found
! .hgsub
$ ls subrepo
a
delete .hgsubstate and update
$ hg up -C
warning: subrepo spec file .hgsub not found
warning: subrepo spec file .hgsub not found
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ rm .hgsubstate
$ hg up 0
remote changed .hgsubstate which local deleted
use (c)hanged version or leave (d)eleted? c
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg st
$ ls subrepo
a
Enable obsolete
$ cat > ${TESTTMP}/obs.py << EOF
> import mercurial.obsolete
> mercurial.obsolete._enabled = True
> EOF
$ cat >> $HGRCPATH << EOF
> [ui]
> logtemplate= {rev}:{node|short} {desc|firstline}
> [phases]
> publish=False
> [extensions]'
> obs=${TESTTMP}/obs.py
> EOF
check that we can update parent repo with missing (amended) subrepo revision
$ hg up --repository subrepo -r tip
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg ci -m "updated subrepo to tip"
created new head
$ cd subrepo
$ hg update -r tip
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo foo > a
$ hg commit --amend -m "addb (amended)"
$ cd ..
$ hg update --clean .
revision 102a90ea7b4a in subrepo subrepo is hidden
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd ..