tests/test-unstable-orphan.t
author Kyle Lippincott <spectral@google.com>
Mon, 16 Sep 2019 12:44:38 -0700
changeset 4848 535ab2609e45
parent 4577 bcd52ce0916d
child 4675 79bc0f1a832e
permissions -rw-r--r--
cmdstate: introduce a "saver" contextmanager and use it in place of save() Previously, the state was only saved in some paths out of these functions. This can be problematic, if the user ctrl-c's (or `kill -9`'s) the process, or we exit out of `relocate` for anything besides the "expected" reason, we won't record that we were in the middle of an evolve. One of our users has discovered that this leaves hg in a weird state; the user did something like this: ``` $ hg evolve <something goes wrong with the merge tool, hits ctrl-c> <deals with the merge conflicts> $ hg evolve --continue abort: no interrupted evolve to continue $ hg evolve abort: uncommitted changes # Note: commands.status.verbose=True is set. $ hg status M foo # The repository is in an unfinished *update* state. # No unresolved merge conflicts # To continue: hg update ``` The user did an `hg update`, but it didn't actually do anything besides take it out of the unfinished update state (the files were still dirty in the working directory).
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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==================================
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Test for "orphan" type instability
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==================================
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This file gather test case around the "orphan" changeset instability. This
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instability happens when a changesets has obsolete ancestors.
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  $ cat >> $HGRCPATH <<EOF
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  > [defaults]
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  > amend=-d "0 0"
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  > fold=-d "0 0"
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  > [web]
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  > push_ssl = false
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  > allow_push = *
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  > [phases]
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  > publish = False
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  > [diff]
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  > git = 1
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  > unified = 0
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  > [ui]
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  > logtemplate = {rev}:{node|short}@{branch}({phase}) {desc|firstline}\n
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  > [extensions]
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  > EOF
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  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
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  $ mkcommit() {
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  >    echo "$1" > "$1"
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  >    hg add "$1"
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  >    hg ci -m "add $1"
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  > }
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  $ mkstack() {
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  >    # Creates a stack of commit based on $1 with messages from $2, $3 ..
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  >    hg update "$1" -C
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  >    shift
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  >    mkcommits $*
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  > }
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  $ mkcommits() {
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  >   for i in $@; do mkcommit $i ; done
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  > }
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orphan parent is obsolete with a single successor
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=================================================
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Test orphan resolution for a changeset orphan because its parent is obsolete
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with one successor.
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  $ hg init test1
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  $ cd test1
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  $ mkcommits _a _b _c
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  $ hg up "desc(_b)"
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  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  $ hg amend -m "bprime"
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  1 new orphan changesets
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  $ hg log -G
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  @  3:36050226a9b9@default(draft) bprime
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  |
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  | *  2:102002290587@default(draft) add _c
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  | |
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  | x  1:37445b16603b@default(draft) add _b
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  |/
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  o  0:135f39f4bd78@default(draft) add _a
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  $ hg evo --all --any --orphan
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  move:[2] add _c
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  atop:[3] bprime
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  $ hg log -G
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  o  4:fdcf3523a74d@default(draft) add _c
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  |
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  @  3:36050226a9b9@default(draft) bprime
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  |
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  o  0:135f39f4bd78@default(draft) add _a
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  $ cd ..
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orphan parent is obsolete with a multiple successors (reversed order)
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=====================================================================
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Test orphan resolution for a changeset orphan because its parent is obsolete
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with multiple successors on the same branch but in reverse order (cross-split).
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  $ hg init test5
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  $ cd test5
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  $ mkcommits _a _b _c
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  $ hg up "desc(_a)"
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  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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  $ mkcommits bprimesplit1 bprimesplit2
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  created new head
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  $ hg prune "desc(_b)" -s "desc(bprimesplit1) + desc(bprimesplit2)" --split
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  1 changesets pruned
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  1 new orphan changesets
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  $ hg up "desc(_a)"
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  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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  $ mkcommits bsecondsplit1 bsecondsplit2
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  created new head
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  $ hg prune "desc(bprimesplit1)" -s "desc(bsecondsplit2)"
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  1 changesets pruned
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  1 new orphan changesets
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  $ hg prune "desc(bprimesplit2)" -s "desc(bsecondsplit1)"
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  1 changesets pruned
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  $ hg log -G
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  @  6:59b942dbda14@default(draft) add bsecondsplit2
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  |
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  o  5:8ffdae67d696@default(draft) add bsecondsplit1
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  |
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  | *  2:102002290587@default(draft) add _c
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  | |
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  | x  1:37445b16603b@default(draft) add _b
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  |/
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  o  0:135f39f4bd78@default(draft) add _a
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  $ hg evo --all --any --orphan
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  move:[2] add _c
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  atop:[6] add bsecondsplit2
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  $ hg log -G
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  o  7:98e3f21461ff@default(draft) add _c
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  |
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  @  6:59b942dbda14@default(draft) add bsecondsplit2
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  o  5:8ffdae67d696@default(draft) add bsecondsplit1
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  $ cd ..