50033772d5
Commit dfa33a298d ("clone: do faster object check for partial clones",
2019-04-21) optimized the connectivity check done when cloning with
--filter to check only the existence of objects directly pointed to by
refs. But this is not sufficient: they also need to be promisor objects.
Make this check more robust by instead checking that these objects are
promisor objects, that is, they appear in a promisor pack.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
#ifndef CONNECTED_H
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#define CONNECTED_H
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struct object_id;
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struct transport;
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/*
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* Take callback data, and return next object name in the buffer.
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* When called after returning the name for the last object, return -1
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* to signal EOF, otherwise return 0.
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*/
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typedef int (*oid_iterate_fn)(void *, struct object_id *oid);
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/*
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* Named-arguments struct for check_connected. All arguments are
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* optional, and can be left to defaults as set by CHECK_CONNECTED_INIT.
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*/
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struct check_connected_options {
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/* Avoid printing any errors to stderr. */
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int quiet;
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/* --shallow-file to pass to rev-list sub-process */
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const char *shallow_file;
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/* Transport whose objects we are checking, if available. */
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struct transport *transport;
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/*
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* If non-zero, send error messages to this descriptor rather
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* than stderr. The descriptor is closed before check_connected
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* returns.
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*/
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int err_fd;
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/* If non-zero, show progress as we traverse the objects. */
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int progress;
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/*
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* Insert these variables into the environment of the child process.
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*/
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const char **env;
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/*
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* If non-zero, check the ancestry chain completely, not stopping at
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* any existing ref. This is necessary when deepening existing refs
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* during a fetch.
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*/
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unsigned is_deepening_fetch : 1;
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/*
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* If non-zero, only check that the top-level objects referenced by the
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* wanted refs (passed in as cb_data) are promisor objects. This is
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* useful for partial clones, where enumerating and excluding all
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* promisor objects is very slow and the commit-walk itself becomes a
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* no-op.
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*/
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unsigned check_refs_are_promisor_objects_only : 1;
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};
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#define CHECK_CONNECTED_INIT { 0 }
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/*
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* Make sure that all given objects and all objects reachable from them
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* either exist in our object store or (if the repository is a partial
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* clone) are promised to be available.
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*
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* Return 0 if Ok, non zero otherwise (i.e. some missing objects)
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*
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* If "opt" is NULL, behaves as if CHECK_CONNECTED_INIT was passed.
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*/
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int check_connected(oid_iterate_fn fn, void *cb_data,
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struct check_connected_options *opt);
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#endif /* CONNECTED_H */
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