/*
* This turns a remote repository into a local one if possible.
*
* The recognized formats are
* git://host/repo[branch]
* ssh://host/repo[branch]
* http://host/repo[branch]
* https://host/repo[branch]
* file://repo[branch]
*/
static struct git_repository *is_remote_git_repository(char *remote, const char *branch)
{
char c, *localdir;
const char *p = remote;
while ((c = *p++) >= 'a' && c <= 'z')
/* nothing */;
if (c != ':')
return NULL;
if (*p++ != '/' || *p++ != '/')
return NULL;
/* Special-case "file://", since it's already local */
if (!strncmp(remote, "file://", 7))
remote += 7;
/*
* Ok, we found "[a-z]*://", we've simplified the
* local repo case (because libgit2 is insanely slow
* for that), and we think we have a real "remote
* git" format.
*
* We now create the SHA1 hash of the whole thing,
* including the branch name. That will be our unique
* unique local repository name.
*
* NOTE! We will create a local repository per branch,
* because
*
* (a) libgit2 remote tracking branch support seems to
* be a bit lacking
* (b) we'll actually check the branch out so that we
* can do merges etc too.
*
* so even if you have a single remote git repo with
* multiple branches for different people, the local
* caches will sadly force that to split into multiple
* individual repositories.
*/
/*
* next we need to make sure that any encoded username
* has been extracted from an https:// based URL
*/
if (!strncmp(remote, "https://", 8)) {
char *at = strchr(remote, '@');
if (at) {
/* was this the @ that denotes an account? that means it was before the
* first '/' after the https:// - so let's find a '/' after that and compare */
char *slash = strchr(remote + 8, '/');
if (slash && slash > at) {
/* grab the part between "https://" and "@" as encoded email address
* (that's our username) and move the rest of the URL forward, remembering
* to copy the closing NUL as well */
prefs.cloud_storage_email_encoded = strndup(remote + 8, at - remote - 8);
memmove(remote + 8, at + 1, strlen(at + 1) + 1);
}
}
}
localdir = get_local_dir(remote, branch);
if (!localdir)
return NULL;
return get_remote_repo(localdir, remote, branch);
}
/*
* This turns a remote repository into a local one if possible.
*
* The recognized formats are
* git://host/repo[branch]
* ssh://host/repo[branch]
* http://host/repo[branch]
* https://host/repo[branch]
* file://repo[branch]
*/
static struct git_repository *is_remote_git_repository(char *remote, const char *branch)
{
char c, *localdir;
char *p = remote;
while ((c = *p++) >= 'a' && c <= 'z')
/* nothing */;
if (c != ':')
return NULL;
if (*p++ != '/' || *p++ != '/')
return NULL;
/*
* Ok, we found "[a-z]*://" and we think we have a real
* "remote git" format. The "file://" case was handled
* in the calling function.
*
* We now create the SHA1 hash of the whole thing,
* including the branch name. That will be our unique
* unique local repository name.
*
* NOTE! We will create a local repository per branch,
* because
*
* (a) libgit2 remote tracking branch support seems to
* be a bit lacking
* (b) we'll actually check the branch out so that we
* can do merges etc too.
*
* so even if you have a single remote git repo with
* multiple branches for different people, the local
* caches will sadly force that to split into multiple
* individual repositories.
*/
/*
* next we need to make sure that any encoded username
* has been extracted from the URL
*/
char *at = strchr(remote, '@');
if (at) {
/* was this the @ that denotes an account? that means it was before the
* first '/' after the protocol:// - so let's find a '/' after that and compare */
char *slash = strchr(p, '/');
if (slash && slash > at) {
/* grab the part between "protocol://" and "@" as encoded email address
* (that's our username) and move the rest of the URL forward, remembering
* to copy the closing NUL as well */
prefs.cloud_storage_email_encoded = strndup(p, at - p);
memmove(p, at + 1, strlen(at + 1) + 1);
}
}
localdir = get_local_dir(remote, branch);
if (!localdir)
return NULL;
/* remember if the current git storage we are working on is our cloud storage
* this is used to create more user friendly error message and warnings */
is_subsurface_cloud = strstr(remote, prefs.cloud_git_url) != NULL;
return get_remote_repo(localdir, remote, branch);
}
