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merge(3p/git): Merge git subtree at v2.29.2

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This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
Download patch file Download diff file Expand all files Collapse all files

67
third_party/git/hex.c vendored
View file

@ -47,30 +47,71 @@ int hex_to_bytes(unsigned char *binary, const char *hex, size_t len)
return 0;
}
int get_sha1_hex(const char *hex, unsigned char *sha1)
static int get_hash_hex_algop(const char *hex, unsigned char *hash,
const struct git_hash_algo *algop)
{
int i;
for (i = 0; i < the_hash_algo->rawsz; i++) {
for (i = 0; i < algop->rawsz; i++) {
int val = hex2chr(hex);
if (val < 0)
return -1;
*sha1++ = val;
*hash++ = val;
hex += 2;
}
return 0;
}
int get_sha1_hex(const char *hex, unsigned char *sha1)
{
return get_hash_hex_algop(hex, sha1, the_hash_algo);
}
int get_oid_hex_algop(const char *hex, struct object_id *oid,
const struct git_hash_algo *algop)
{
return get_hash_hex_algop(hex, oid->hash, algop);
}
/*
* NOTE: This function relies on hash algorithms being in order from shortest
* length to longest length.
*/
int get_oid_hex_any(const char *hex, struct object_id *oid)
{
int i;
for (i = GIT_HASH_NALGOS - 1; i > 0; i--) {
if (!get_hash_hex_algop(hex, oid->hash, &hash_algos[i]))
return i;
}
return GIT_HASH_UNKNOWN;
}
int get_oid_hex(const char *hex, struct object_id *oid)
{
return get_sha1_hex(hex, oid->hash);
return get_oid_hex_algop(hex, oid, the_hash_algo);
}
int parse_oid_hex_algop(const char *hex, struct object_id *oid,
const char **end,
const struct git_hash_algo *algop)
{
int ret = get_hash_hex_algop(hex, oid->hash, algop);
if (!ret)
*end = hex + algop->hexsz;
return ret;
}
int parse_oid_hex_any(const char *hex, struct object_id *oid, const char **end)
{
int ret = get_oid_hex_any(hex, oid);
if (ret)
*end = hex + hash_algos[ret].hexsz;
return ret;
}
int parse_oid_hex(const char *hex, struct object_id *oid, const char **end)
{
int ret = get_oid_hex(hex, oid);
if (!ret)
*end = hex + the_hash_algo->hexsz;
return ret;
return parse_oid_hex_algop(hex, oid, end, the_hash_algo);
}
char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash,
@ -90,11 +131,6 @@ char *hash_to_hex_algop_r(char *buffer, const unsigned char *hash,
return buffer;
}
char *sha1_to_hex_r(char *buffer, const unsigned char *sha1)
{
return hash_to_hex_algop_r(buffer, sha1, &hash_algos[GIT_HASH_SHA1]);
}
char *oid_to_hex_r(char *buffer, const struct object_id *oid)
{
return hash_to_hex_algop_r(buffer, oid->hash, the_hash_algo);
@ -108,11 +144,6 @@ char *hash_to_hex_algop(const unsigned char *hash, const struct git_hash_algo *a
return hash_to_hex_algop_r(hexbuffer[bufno], hash, algop);
}
char *sha1_to_hex(const unsigned char *sha1)
{
return hash_to_hex_algop(sha1, &hash_algos[GIT_HASH_SHA1]);
}
char *hash_to_hex(const unsigned char *hash)
{
return hash_to_hex_algop(hash, the_hash_algo);