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localrepo: handle ValueError during repository opening...

localrepo: handle ValueError during repository opening Python 3.8 can raise ValueError on attempt of an I/O operation against an illegal path. This was causing test-remotefilelog-gc.t to fail on Python 3.8. This commit teaches repository opening to handle ValueError and re-raise an Abort on failure. An arguably better solution would be to implement this logic in the vfs layer. But that seems like a bag of worms and I don't want to go down that rabbit hole. Until users report uncaught ValueError exceptions in the wild, I think it is fine to patch this at the only occurrence our test harness is finding it. Differential Revision: https://phab.mercurial-scm.org/D7944

Martin von Zweigbergk - - Load All Authors

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      Do not strip innocent children. See https://bitbucket.org/facebook/hg-experimental/issues/6/hg-absorb-merges-diverged-commits

        $ cat >> $HGRCPATH << EOF

        > [extensions]

        > absorb=

        > drawdag=$TESTDIR/drawdag.py

        > EOF

        $ hg init

        $ hg debugdrawdag << EOF

        > E

        > |

        > D F

        > |/

        > C

        > |

        > B

        > |

        > A

        > EOF

        $ hg up E -q

        $ echo 1 >> B

        $ echo 2 >> D

        $ hg absorb -a

        warning: orphaned descendants detected, not stripping 112478962961, 26805aba1e60

        saved backup bundle to * (glob)

        2 of 2 chunk(s) applied

        $ hg log -G -T '{desc}'

        @  E

        |

        o  D

        |

        o  C

        |

        o  B

        |

        | o  F

        | |

        | o  C

        | |

        | o  B

        |/

        o  A

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				Do not strip innocent children. See https://bitbucket.org/facebook/hg-experimental/issues/6/hg-absorb-merges-diverged-commits

				$ cat >> $HGRCPATH << EOF
				> [extensions]
				> absorb=
				> drawdag=$TESTDIR/drawdag.py
				> EOF

				$ hg init
				$ hg debugdrawdag << EOF
				> E
				> \|
				> D F
				> \|/
				> C
				> \|
				> B
				> \|
				> A
				> EOF

				$ hg up E -q
				$ echo 1 >> B
				$ echo 2 >> D
				$ hg absorb -a
				warning: orphaned descendants detected, not stripping 112478962961, 26805aba1e60
				saved backup bundle to * (glob)
				2 of 2 chunk(s) applied

				$ hg log -G -T '{desc}'
				@ E
				\|
				o D
				\|
				o C
				\|
				o B
				\|
				\| o F
				\| \|
				\| o C
				\| \|
				\| o B
				\|/
				o A