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Revision b9063afda17a2aa6310423c9f7b776c41f753091 authored by Carlo Marcelo Arenas Belón on 13 May 2022, 01:00:19 UTC, committed by Junio C Hamano on 13 May 2022, 01:12:23 UTC 
t0034: add negative tests and allow git init to mostly work under sudo
 
Add a support library that provides one function that can be used
to run a "scriplet" of commands through sudo and that helps invoking
sudo in the slightly awkward way that is required to ensure it doesn't
block the call (if shell was allowed as tested in the prerequisite)
and it doesn't run the command through a different shell than the one
we intended.

Add additional negative tests as suggested by Junio and that use a
new workspace that is owned by root.

Document a regression that was introduced by previous commits where
root won't be able anymore to access directories they own unless
SUDO_UID is removed from their environment.

The tests document additional ways that this new restriction could
be worked around and the documentation explains why it might be instead
considered a feature, but a "fix" is planned for a future change.

Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent ae9abbb
Raw File
midx.h 
#ifndef MIDX_H
#define MIDX_H

#include "repository.h"

struct object_id;
struct pack_entry;
struct repository;

#define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX"

struct multi_pack_index {
	struct multi_pack_index *next;

	const unsigned char *data;
	size_t data_len;

	uint32_t signature;
	unsigned char version;
	unsigned char hash_len;
	unsigned char num_chunks;
	uint32_t num_packs;
	uint32_t num_objects;

	int local;

	const unsigned char *chunk_pack_names;
	const uint32_t *chunk_oid_fanout;
	const unsigned char *chunk_oid_lookup;
	const unsigned char *chunk_object_offsets;
	const unsigned char *chunk_large_offsets;

	const char **pack_names;
	struct packed_git **packs;
	char object_dir[FLEX_ARRAY];
};

#define MIDX_PROGRESS     (1 << 0)

struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local);
int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t pack_int_id);
int bsearch_midx(const struct object_id *oid, struct multi_pack_index *m, uint32_t *result);
struct object_id *nth_midxed_object_oid(struct object_id *oid,
					struct multi_pack_index *m,
					uint32_t n);
int fill_midx_entry(struct repository *r, const struct object_id *oid, struct pack_entry *e, struct multi_pack_index *m);
int midx_contains_pack(struct multi_pack_index *m, const char *idx_or_pack_name);
int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, int local);

int write_midx_file(const char *object_dir, unsigned flags);
void clear_midx_file(struct repository *r);
int verify_midx_file(struct repository *r, const char *object_dir, unsigned flags);
int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags);
int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags);

void close_midx(struct multi_pack_index *m);

#endif
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