зеркало из https://github.com/microsoft/git.git
93 строки
2.5 KiB
C
93 строки
2.5 KiB
C
#include "cache.h"
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#include "commit.h"
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#include "config.h"
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#include "revision.h"
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#include "argv-array.h"
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#include "list-objects.h"
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#include "list-objects-filter.h"
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#include "list-objects-filter-options.h"
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/*
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* Parse value of the argument to the "filter" keyword.
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* On the command line this looks like:
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* --filter=<arg>
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* and in the pack protocol as:
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* "filter" SP <arg>
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*
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* The filter keyword will be used by many commands.
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* See Documentation/rev-list-options.txt for allowed values for <arg>.
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*
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* Capture the given arg as the "filter_spec". This can be forwarded to
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* subordinate commands when necessary. We also "intern" the arg for
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* the convenience of the current command.
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*/
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int parse_list_objects_filter(struct list_objects_filter_options *filter_options,
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const char *arg)
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{
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const char *v0;
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if (filter_options->choice)
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die(_("multiple object filter types cannot be combined"));
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filter_options->filter_spec = strdup(arg);
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if (!strcmp(arg, "blob:none")) {
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filter_options->choice = LOFC_BLOB_NONE;
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return 0;
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}
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if (skip_prefix(arg, "blob:limit=", &v0)) {
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if (!git_parse_ulong(v0, &filter_options->blob_limit_value))
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die(_("invalid filter-spec expression '%s'"), arg);
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filter_options->choice = LOFC_BLOB_LIMIT;
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return 0;
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}
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if (skip_prefix(arg, "sparse:oid=", &v0)) {
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struct object_context oc;
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struct object_id sparse_oid;
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/*
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* Try to parse <oid-expression> into an OID for the current
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* command, but DO NOT complain if we don't have the blob or
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* ref locally.
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*/
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if (!get_oid_with_context(v0, GET_OID_BLOB,
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&sparse_oid, &oc))
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filter_options->sparse_oid_value = oiddup(&sparse_oid);
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filter_options->choice = LOFC_SPARSE_OID;
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return 0;
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}
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if (skip_prefix(arg, "sparse:path=", &v0)) {
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filter_options->choice = LOFC_SPARSE_PATH;
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filter_options->sparse_path_value = strdup(v0);
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return 0;
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}
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die(_("invalid filter-spec expression '%s'"), arg);
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return 0;
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}
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int opt_parse_list_objects_filter(const struct option *opt,
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const char *arg, int unset)
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{
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struct list_objects_filter_options *filter_options = opt->value;
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if (unset || !arg) {
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list_objects_filter_release(filter_options);
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return 0;
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}
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return parse_list_objects_filter(filter_options, arg);
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}
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void list_objects_filter_release(
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struct list_objects_filter_options *filter_options)
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{
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free(filter_options->filter_spec);
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free(filter_options->sparse_oid_value);
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free(filter_options->sparse_path_value);
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memset(filter_options, 0, sizeof(*filter_options));
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}
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