setup $ cat >> $HGRCPATH < [extensions] > share = > [format] > exp-share-safe = True > EOF prepare source repo $ hg init source $ cd source $ cat .hg/requires exp-sharesafe $ cat .hg/store/requires dotencode fncache generaldelta revlogv1 sparserevlog store $ hg debugrequirements dotencode exp-sharesafe fncache generaldelta revlogv1 sparserevlog store $ echo a > a $ hg ci -Aqm "added a" $ echo b > b $ hg ci -Aqm "added b" $ HGEDITOR=cat hg config --shared abort: repository is not shared; can't use --shared [255] $ cd .. Create a shared repo and check the requirements are shared and read correctly $ hg share source shared1 updating working directory 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd shared1 $ cat .hg/requires exp-sharesafe shared $ hg debugrequirements -R ../source dotencode exp-sharesafe fncache generaldelta revlogv1 sparserevlog store $ hg debugrequirements dotencode exp-sharesafe fncache generaldelta revlogv1 shared sparserevlog store $ echo c > c $ hg ci -Aqm "added c" Check that config of the source repository is also loaded $ hg showconfig ui.curses [1] $ echo "[ui]" >> ../source/.hg/hgrc $ echo "curses=true" >> ../source/.hg/hgrc $ hg showconfig ui.curses true However, local .hg/hgrc should override the config set by share source $ echo "[ui]" >> .hg/hgrc $ echo "curses=false" >> .hg/hgrc $ hg showconfig ui.curses false $ HGEDITOR=cat hg config --shared [ui] curses=true $ HGEDITOR=cat hg config --local [ui] curses=false Testing that hooks set in source repository also runs in shared repo $ cd ../source $ cat <> .hg/hgrc > [extensions] > hooklib= > [hooks] > pretxnchangegroup.reject_merge_commits = \ > python:hgext.hooklib.reject_merge_commits.hook > EOF $ cd .. $ hg clone source cloned updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd cloned $ hg up 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ echo bar > bar $ hg ci -Aqm "added bar" $ hg merge 2 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m "merge commit" $ hg push ../source pushing to ../source searching for changes adding changesets adding manifests adding file changes error: pretxnchangegroup.reject_merge_commits hook failed: bcde3522682d rejected as merge on the same branch. Please consider rebase. transaction abort! rollback completed abort: bcde3522682d rejected as merge on the same branch. Please consider rebase. [255] $ hg push ../shared1 pushing to ../shared1 searching for changes adding changesets adding manifests adding file changes error: pretxnchangegroup.reject_merge_commits hook failed: bcde3522682d rejected as merge on the same branch. Please consider rebase. transaction abort! rollback completed abort: bcde3522682d rejected as merge on the same branch. Please consider rebase. [255] Test that if share source config is untrusted, we dont read it $ cd ../shared1 $ cat << EOF > $TESTTMP/untrusted.py > from mercurial import scmutil, util > def uisetup(ui): > class untrustedui(ui.__class__): > def _trusted(self, fp, f): > if util.normpath(fp.name).endswith(b'source/.hg/hgrc'): > return False > return super(untrustedui, self)._trusted(fp, f) > ui.__class__ = untrustedui > EOF $ hg showconfig hooks hooks.pretxnchangegroup.reject_merge_commits=python:hgext.hooklib.reject_merge_commits.hook $ hg showconfig hooks --config extensions.untrusted=$TESTTMP/untrusted.py [1] Update the source repository format and check that shared repo works $ cd ../source $ echo "[format]" >> .hg/hgrc $ echo "revlog-compression=zstd" >> .hg/hgrc $ hg debugupgraderepo --run -q -R ../shared1 abort: cannot upgrade repository; unsupported source requirement: shared [255] $ hg debugupgraderepo --run -q upgrade will perform the following actions: requirements preserved: dotencode, exp-sharesafe, fncache, generaldelta, revlogv1, sparserevlog, store added: revlog-compression-zstd $ hg log -r . changeset: 1:5f6d8a4bf34a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: added b Shared one should work $ cd ../shared1 $ hg log -r . changeset: 2:155349b645be tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: added c Unsharing works $ hg unshare Test that source config is added to the shared one after unshare, and the config of current repo is still respected over the config which came from source config $ cd ../cloned $ hg push ../shared1 pushing to ../shared1 searching for changes adding changesets adding manifests adding file changes error: pretxnchangegroup.reject_merge_commits hook failed: bcde3522682d rejected as merge on the same branch. Please consider rebase. transaction abort! rollback completed abort: bcde3522682d rejected as merge on the same branch. Please consider rebase. [255] $ hg showconfig ui.curses -R ../shared1 false