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bundle-uri: create "key=value" line parsing

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When advertising a bundle list over Git's protocol v2, we will use
packet lines. Each line will be of the form "key=value" representing a
bundle list. Connect the API necessary for Git's transport to the
key-value pair parsing created in the previous change.

We are not currently implementing this protocol v2 functionality, but
instead preparing to expose this parsing to be unit-testable.

Co-authored-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2022-10-12 12:52:31 +00:00 committed by Junio C Hamano
parent bff03c47f7
commit 9424e373fd
2 changed files with 38 additions and 1 deletions
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27
bundle-uri.c
View File

@ -71,7 +71,6 @@ int for_all_bundles_in_list(struct bundle_list *list,
* Returns 0 if the key-value pair is understood. Returns -1 if the key
* is not understood or the value is malformed.
*/
MAYBE_UNUSED
static int bundle_list_update(const char *key, const char *value,
struct bundle_list *list)
{
@ -306,3 +305,29 @@ cleanup:
free(filename);
return result;
}
/**
* General API for {transport,connect}.c etc.
*/
int bundle_uri_parse_line(struct bundle_list *list, const char *line)
{
int result;
const char *equals;
struct strbuf key = STRBUF_INIT;
if (!strlen(line))
return error(_("bundle-uri: got an empty line"));
equals = strchr(line, '=');
if (!equals)
return error(_("bundle-uri: line is not of the form 'key=value'"));
if (line == equals || !*(equals + 1))
return error(_("bundle-uri: line has empty key or value"));
strbuf_add(&key, line, equals - line);
result = bundle_list_update(key.buf, equals + 1, list);
strbuf_release(&key);
return result;
}

12
bundle-uri.h
View File

@ -67,4 +67,16 @@ int for_all_bundles_in_list(struct bundle_list *list,
*/
int fetch_bundle_uri(struct repository *r, const char *uri);
/**
* General API for {transport,connect}.c etc.
*/
/**
* Parse a "key=value" packet line from the bundle-uri verb.
*
* Returns 0 on success and non-zero on error.
*/
int bundle_uri_parse_line(struct bundle_list *list,
const char *line);
#endif