void test_network_fetchlocal__partial(void)
{
git_repository *repo = cl_git_sandbox_init("partial-testrepo");
git_remote *origin;
int callcount = 0;
git_strarray refnames = {0};
const char *url;
git_remote_callbacks callbacks = GIT_REMOTE_CALLBACKS_INIT;
callbacks.transfer_progress = transfer_cb;
callbacks.payload = &callcount;
cl_set_cleanup(&cleanup_sandbox, NULL);
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(1, (int)refnames.count);
url = cl_git_fixture_url("testrepo.git");
cl_git_pass(git_remote_create(&origin, repo, GIT_REMOTE_ORIGIN, url));
git_remote_set_callbacks(origin, &callbacks);
cl_git_pass(git_remote_connect(origin, GIT_DIRECTION_FETCH));
cl_git_pass(git_remote_download(origin));
cl_git_pass(git_remote_update_tips(origin, NULL, NULL));
git_strarray_free(&refnames);
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(20, (int)refnames.count); /* 18 remote + 1 local */
cl_assert(callcount > 0);
git_strarray_free(&refnames);
git_remote_free(origin);
}
void test_network_fetchlocal__prune(void)
{
git_repository *repo;
git_remote *origin;
int callcount = 0;
git_strarray refnames = {0};
git_reference *ref;
git_repository *remote_repo = cl_git_sandbox_init("testrepo.git");
const char *url = cl_git_path_url(git_repository_path(remote_repo));
git_fetch_options options = GIT_FETCH_OPTIONS_INIT;
options.callbacks.transfer_progress = transfer_cb;
options.callbacks.payload = &callcount;
cl_set_cleanup(&cleanup_local_repo, "foo");
cl_git_pass(git_repository_init(&repo, "foo", true));
cl_git_pass(git_remote_create(&origin, repo, GIT_REMOTE_ORIGIN, url));
cl_git_pass(git_remote_fetch(origin, NULL, &options, NULL));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(19, (int)refnames.count);
cl_assert(callcount > 0);
git_strarray_free(&refnames);
git_remote_free(origin);
cl_git_pass(git_reference_lookup(&ref, remote_repo, "refs/heads/br2"));
cl_git_pass(git_reference_delete(ref));
git_reference_free(ref);
cl_git_pass(git_remote_lookup(&origin, repo, GIT_REMOTE_ORIGIN));
cl_git_pass(git_remote_fetch(origin, NULL, &options, NULL));
cl_git_pass(git_remote_prune(origin, &options.callbacks));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(18, (int)refnames.count);
git_strarray_free(&refnames);
git_remote_free(origin);
cl_git_pass(git_reference_lookup(&ref, remote_repo, "refs/heads/packed"));
cl_git_pass(git_reference_delete(ref));
git_reference_free(ref);
cl_git_pass(git_remote_lookup(&origin, repo, GIT_REMOTE_ORIGIN));
cl_git_pass(git_remote_fetch(origin, NULL, &options, NULL));
cl_git_pass(git_remote_prune(origin, &options.callbacks));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(17, (int)refnames.count);
git_strarray_free(&refnames);
git_remote_free(origin);
git_repository_free(repo);
}
void test_network_fetchlocal__complete(void)
{
git_repository *repo;
git_remote *origin;
int callcount = 0;
git_strarray refnames = {0};
const char *url = cl_git_fixture_url("testrepo.git");
git_fetch_options options = GIT_FETCH_OPTIONS_INIT;
options.callbacks.transfer_progress = transfer_cb;
options.callbacks.payload = &callcount;
cl_set_cleanup(&cleanup_local_repo, "foo");
cl_git_pass(git_repository_init(&repo, "foo", true));
cl_git_pass(git_remote_create(&origin, repo, GIT_REMOTE_ORIGIN, url));
cl_git_pass(git_remote_fetch(origin, NULL, &options, NULL));
cl_git_pass(git_reference_list(&refnames, repo));
cl_assert_equal_i(19, (int)refnames.count);
cl_assert(callcount > 0);
git_strarray_free(&refnames);
git_remote_free(origin);
git_repository_free(repo);
}
static int store_refs(transport_local *t)
{
unsigned int i;
git_strarray ref_names = {0};
git_transport *transport = (git_transport *) t;
assert(t);
if (git_reference_list(&ref_names, t->repo, GIT_REF_LISTALL) < 0 ||
git_vector_init(&transport->refs, (unsigned int)ref_names.count, NULL) < 0)
goto on_error;
/* Sort the references first */
git__tsort((void **)ref_names.strings, ref_names.count, &git__strcmp_cb);
/* Add HEAD */
if (add_ref(t, GIT_HEAD_FILE) < 0)
goto on_error;
for (i = 0; i < ref_names.count; ++i) {
if (add_ref(t, ref_names.strings[i]) < 0)
goto on_error;
}
git_strarray_free(&ref_names);
return 0;
on_error:
git_vector_free(&transport->refs);
git_strarray_free(&ref_names);
return -1;
}
static int check_remote_status(git_repository *repo, git_remote *origin, const char *branch, enum remote_transport rt)
{
int error = 0;
git_reference *local_ref, *remote_ref;
if (git_branch_lookup(&local_ref, repo, branch, GIT_BRANCH_LOCAL))
return report_error("Git cache branch %s no longer exists", branch);
if (git_branch_upstream(&remote_ref, local_ref)) {
/* so there is no upstream branch for our branch; that's a problem.
* let's push our branch */
git_strarray refspec;
git_reference_list(&refspec, repo);
#if USE_LIBGIT23_API
git_push_options opts = GIT_PUSH_OPTIONS_INIT;
if (rt == RT_SSH)
opts.callbacks.credentials = credential_ssh_cb;
else if (rt == RT_HTTPS)
opts.callbacks.credentials = credential_https_cb;
opts.callbacks.certificate_check = certificate_check_cb;
error = git_remote_push(origin, &refspec, &opts);
#else
error = git_remote_push(origin, &refspec, NULL);
#endif
} else {
error = try_to_update(repo, origin, local_ref, remote_ref, rt);
git_reference_free(remote_ref);
}
git_reference_free(local_ref);
return error;
}
PyObject *
Repository_listall_references(Repository *self, PyObject *args)
{
git_strarray c_result;
PyObject *py_result, *py_string;
unsigned index;
int err;
/* Get the C result */
err = git_reference_list(&c_result, self->repo);
if (err < 0)
return Error_set(err);
/* Create a new PyTuple */
py_result = PyList_New(c_result.count);
if (py_result == NULL)
goto out;
/* Fill it */
for (index=0; index < c_result.count; index++) {
py_string = to_path(c_result.strings[index]);
if (py_string == NULL) {
Py_CLEAR(py_result);
goto out;
}
PyList_SET_ITEM(py_result, index, py_string);
}
out:
git_strarray_free(&c_result);
return py_result;
}
void test_refs_namespaces__namespace_doesnt_show_normal_refs(void)
{
static git_strarray ref_list;
cl_git_pass(git_repository_set_namespace(g_repo, "namespace"));
cl_git_pass(git_reference_list(&ref_list, g_repo));
cl_assert_equal_i(0, ref_list.count);
git_strarray_free(&ref_list);
}
void test_refs_listall__from_repository_with_no_trailing_newline(void)
{
cl_git_pass(git_repository_open(&repo, cl_fixture("bad_tag.git")));
cl_git_pass(git_reference_list(&ref_list, repo));
cl_assert(ref_list.count > 0);
git_strarray_free(&ref_list);
git_repository_free(repo);
}
static int count_references(void)
{
git_strarray array;
int refs;
cl_git_pass(git_reference_list(&array, g_repo));
refs = array.count;
git_strarray_free(&array);
return refs;
}
int luagi_reference_list( lua_State *L )
{
git_repository **repo = checkrepo( L, 1 );
git_strarray array;
if( git_reference_list( &array, *repo ) )
{
return ltk_push_git_error( L );
}
ltk_push_strarray( L, array );
git_strarray_free( &array );
return 1;
}
void test_refs_list__do_not_retrieve_references_which_name_end_with_a_lock_extension(void)
{
git_strarray ref_list;
/* Create a fake locked reference */
cl_git_mkfile(
"./testrepo/.git/refs/heads/hanwen.lock",
"144344043ba4d4a405da03de3844aa829ae8be0e\n");
cl_git_pass(git_reference_list(&ref_list, g_repo));
cl_assert_equal_i((int)ref_list.count, 15);
git_strarray_free(&ref_list);
}
static void ensure_no_refname_starts_with_a_forward_slash(const char *path)
{
size_t i;
cl_git_pass(git_repository_open(&repo, path));
cl_git_pass(git_reference_list(&ref_list, repo));
cl_assert(ref_list.count > 0);
for (i = 0; i < ref_list.count; i++)
cl_assert(git__prefixcmp(ref_list.strings[i], "/") != 0);
git_strarray_free(&ref_list);
git_repository_free(repo);
}
void test_refs_list__all(void)
{
// try to list all the references in our test repo
git_strarray ref_list;
cl_git_pass(git_reference_list(&ref_list, g_repo));
/*{
unsigned short i;
for (i = 0; i < ref_list.count; ++i)
printf("# %s\n", ref_list.strings[i]);
}*/
/* We have exactly 12 refs in total if we include the packed ones:
* there is a reference that exists both in the packfile and as
* loose, but we only list it once */
cl_assert_equal_i((int)ref_list.count, 15);
git_strarray_free(&ref_list);
}
PyObject *
Repository_listall_references(Repository *self, PyObject *args)
{
unsigned list_flags=GIT_REF_LISTALL;
git_strarray c_result;
PyObject *py_result, *py_string;
unsigned index;
int err;
/* 1- Get list_flags */
if (!PyArg_ParseTuple(args, "|I", &list_flags))
return NULL;
/* 2- Get the C result */
err = git_reference_list(&c_result, self->repo, list_flags);
if (err < 0)
return Error_set(err);
/* 3- Create a new PyTuple */
py_result = PyTuple_New(c_result.count);
if (py_result == NULL)
goto out;
/* 4- Fill it */
for (index=0; index < c_result.count; index++) {
py_string = to_path((c_result.strings)[index]);
if (py_string == NULL) {
Py_CLEAR(py_result);
goto out;
}
PyTuple_SET_ITEM(py_result, index, py_string);
}
out:
git_strarray_free(&c_result);
return py_result;
}
static int check_remote_status(git_repository *repo, git_remote *origin, const char *remote, const char *branch, enum remote_transport rt)
{
int error = 0;
git_reference *local_ref, *remote_ref;
if (verbose)
fprintf(stderr, "git storage: check remote status\n");
if (git_branch_lookup(&local_ref, repo, branch, GIT_BRANCH_LOCAL)) {
if (is_subsurface_cloud)
return cleanup_local_cache(remote, branch);
else
return report_error("Git cache branch %s no longer exists", branch);
}
if (git_branch_upstream(&remote_ref, local_ref)) {
/* so there is no upstream branch for our branch; that's a problem.
* let's push our branch */
git_strarray refspec;
git_reference_list(&refspec, repo);
git_push_options opts = GIT_PUSH_OPTIONS_INIT;
opts.callbacks.transfer_progress = &transfer_progress_cb;
auth_attempt = 0;
if (rt == RT_SSH)
opts.callbacks.credentials = credential_ssh_cb;
else if (rt == RT_HTTPS)
opts.callbacks.credentials = credential_https_cb;
opts.callbacks.certificate_check = certificate_check_cb;
git_storage_update_progress(translate("gettextFromC", "Store data into cloud storage"));
error = git_remote_push(origin, &refspec, &opts);
} else {
error = try_to_update(repo, origin, local_ref, remote_ref, remote, branch, rt);
git_reference_free(remote_ref);
}
git_reference_free(local_ref);
return error;
}
int main (int argc, char** argv)
{
// ### Opening the Repository
// There are a couple of methods for opening a repository, this being the simplest.
// There are also [methods][me] for specifying the index file and work tree locations, here
// we are assuming they are in the normal places.
//
// [me]: http://libgit2.github.com/libgit2/#HEAD/group/repository
git_repository *repo;
if (argc > 1) {
git_repository_open(&repo, argv[1]);
} else {
git_repository_open(&repo, "/opt/libgit2-test/.git");
}
// ### SHA-1 Value Conversions
// For our first example, we will convert a 40 character hex value to the 20 byte raw SHA1 value.
printf("*Hex to Raw*\n");
char hex[] = "fd6e612585290339ea8bf39c692a7ff6a29cb7c3";
// The `git_oid` is the structure that keeps the SHA value. We will use this throughout the example
// for storing the value of the current SHA key we're working with.
git_oid oid;
git_oid_fromstr(&oid, hex);
// Once we've converted the string into the oid value, we can get the raw value of the SHA.
printf("Raw 20 bytes: [%.20s]\n", (&oid)->id);
// Next we will convert the 20 byte raw SHA1 value to a human readable 40 char hex value.
printf("\n*Raw to Hex*\n");
char out[41];
out[40] = '\0';
// If you have a oid, you can easily get the hex value of the SHA as well.
git_oid_fmt(out, &oid);
printf("SHA hex string: %s\n", out);
// ### Working with the Object Database
// **libgit2** provides [direct access][odb] to the object database.
// The object database is where the actual objects are stored in Git. For
// working with raw objects, we'll need to get this structure from the
// repository.
// [odb]: http://libgit2.github.com/libgit2/#HEAD/group/odb
git_odb *odb;
git_repository_odb(&odb, repo);
// #### Raw Object Reading
printf("\n*Raw Object Read*\n");
git_odb_object *obj;
git_otype otype;
const unsigned char *data;
const char *str_type;
int error;
// We can read raw objects directly from the object database if we have the oid (SHA)
// of the object. This allows us to access objects without knowing thier type and inspect
// the raw bytes unparsed.
error = git_odb_read(&obj, odb, &oid);
// A raw object only has three properties - the type (commit, blob, tree or tag), the size
// of the raw data and the raw, unparsed data itself. For a commit or tag, that raw data
// is human readable plain ASCII text. For a blob it is just file contents, so it could be
// text or binary data. For a tree it is a special binary format, so it's unlikely to be
// hugely helpful as a raw object.
data = (const unsigned char *)git_odb_object_data(obj);
otype = git_odb_object_type(obj);
// We provide methods to convert from the object type which is an enum, to a string
// representation of that value (and vice-versa).
str_type = git_object_type2string(otype);
printf("object length and type: %d, %s\n",
(int)git_odb_object_size(obj),
str_type);
// For proper memory management, close the object when you are done with it or it will leak
// memory.
git_odb_object_free(obj);
// #### Raw Object Writing
printf("\n*Raw Object Write*\n");
// You can also write raw object data to Git. This is pretty cool because it gives you
// direct access to the key/value properties of Git. Here we'll write a new blob object
// that just contains a simple string. Notice that we have to specify the object type as
// the `git_otype` enum.
git_odb_write(&oid, odb, "test data", sizeof("test data") - 1, GIT_OBJ_BLOB);
// Now that we've written the object, we can check out what SHA1 was generated when the
// object was written to our database.
git_oid_fmt(out, &oid);
printf("Written Object: %s\n", out);
// ### Object Parsing
// libgit2 has methods to parse every object type in Git so you don't have to work directly
// with the raw data. This is much faster and simpler than trying to deal with the raw data
// yourself.
// #### Commit Parsing
// [Parsing commit objects][pco] is simple and gives you access to all the data in the commit
// - the // author (name, email, datetime), committer (same), tree, message, encoding and parent(s).
// [pco]: http://libgit2.github.com/libgit2/#HEAD/group/commit
printf("\n*Commit Parsing*\n");
git_commit *commit;
git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1");
error = git_commit_lookup(&commit, repo, &oid);
const git_signature *author, *cmtter;
const char *message;
time_t ctime;
unsigned int parents, p;
// Each of the properties of the commit object are accessible via methods, including commonly
// needed variations, such as `git_commit_time` which returns the author time and `_message`
// which gives you the commit message.
message = git_commit_message(commit);
author = git_commit_author(commit);
cmtter = git_commit_committer(commit);
ctime = git_commit_time(commit);
// The author and committer methods return [git_signature] structures, which give you name, email
// and `when`, which is a `git_time` structure, giving you a timestamp and timezone offset.
printf("Author: %s (%s)\n", author->name, author->email);
// Commits can have zero or more parents. The first (root) commit will have no parents, most commits
// will have one, which is the commit it was based on, and merge commits will have two or more.
// Commits can technically have any number, though it's pretty rare to have more than two.
parents = git_commit_parentcount(commit);
for (p = 0;p < parents;p++) {
git_commit *parent;
git_commit_parent(&parent, commit, p);
git_oid_fmt(out, git_commit_id(parent));
printf("Parent: %s\n", out);
git_commit_free(parent);
}
// Don't forget to close the object to prevent memory leaks. You will have to do this for
// all the objects you open and parse.
git_commit_free(commit);
// #### Writing Commits
//
// libgit2 provides a couple of methods to create commit objects easily as well. There are four
// different create signatures, we'll just show one of them here. You can read about the other
// ones in the [commit API docs][cd].
// [cd]: http://libgit2.github.com/libgit2/#HEAD/group/commit
printf("\n*Commit Writing*\n");
git_oid tree_id, parent_id, commit_id;
git_tree *tree;
git_commit *parent;
// Creating signatures for an authoring identity and time is pretty simple - you will need to have
// this to create a commit in order to specify who created it and when. Default values for the name
// and email should be found in the `user.name` and `user.email` configuration options. See the `config`
// section of this example file to see how to access config values.
git_signature_new((git_signature **)&author, "Scott Chacon", "*****@*****.**",
123456789, 60);
git_signature_new((git_signature **)&cmtter, "Scott A Chacon", "*****@*****.**",
987654321, 90);
// Commit objects need a tree to point to and optionally one or more parents. Here we're creating oid
// objects to create the commit with, but you can also use
git_oid_fromstr(&tree_id, "28873d96b4e8f4e33ea30f4c682fd325f7ba56ac");
git_tree_lookup(&tree, repo, &tree_id);
git_oid_fromstr(&parent_id, "f0877d0b841d75172ec404fc9370173dfffc20d1");
git_commit_lookup(&parent, repo, &parent_id);
// Here we actually create the commit object with a single call with all the values we need to create
// the commit. The SHA key is written to the `commit_id` variable here.
git_commit_create_v(
&commit_id, /* out id */
repo,
NULL, /* do not update the HEAD */
author,
cmtter,
NULL, /* use default message encoding */
"example commit",
tree,
1, parent);
// Now we can take a look at the commit SHA we've generated.
git_oid_fmt(out, &commit_id);
printf("New Commit: %s\n", out);
// #### Tag Parsing
// You can parse and create tags with the [tag management API][tm], which functions very similarly
// to the commit lookup, parsing and creation methods, since the objects themselves are very similar.
// [tm]: http://libgit2.github.com/libgit2/#HEAD/group/tag
printf("\n*Tag Parsing*\n");
git_tag *tag;
const char *tmessage, *tname;
git_otype ttype;
// We create an oid for the tag object if we know the SHA and look it up in the repository the same
// way that we would a commit (or any other) object.
git_oid_fromstr(&oid, "bc422d45275aca289c51d79830b45cecebff7c3a");
error = git_tag_lookup(&tag, repo, &oid);
// Now that we have the tag object, we can extract the information it generally contains: the target
// (usually a commit object), the type of the target object (usually 'commit'), the name ('v1.0'),
// the tagger (a git_signature - name, email, timestamp), and the tag message.
git_tag_target((git_object **)&commit, tag);
tname = git_tag_name(tag); // "test"
ttype = git_tag_type(tag); // GIT_OBJ_COMMIT (otype enum)
tmessage = git_tag_message(tag); // "tag message\n"
printf("Tag Message: %s\n", tmessage);
git_commit_free(commit);
// #### Tree Parsing
// [Tree parsing][tp] is a bit different than the other objects, in that we have a subtype which is the
// tree entry. This is not an actual object type in Git, but a useful structure for parsing and
// traversing tree entries.
//
// [tp]: http://libgit2.github.com/libgit2/#HEAD/group/tree
printf("\n*Tree Parsing*\n");
const git_tree_entry *entry;
git_object *objt;
// Create the oid and lookup the tree object just like the other objects.
git_oid_fromstr(&oid, "2a741c18ac5ff082a7caaec6e74db3075a1906b5");
git_tree_lookup(&tree, repo, &oid);
// Getting the count of entries in the tree so you can iterate over them if you want to.
int cnt = git_tree_entrycount(tree); // 3
printf("tree entries: %d\n", cnt);
entry = git_tree_entry_byindex(tree, 0);
printf("Entry name: %s\n", git_tree_entry_name(entry)); // "hello.c"
// You can also access tree entries by name if you know the name of the entry you're looking for.
entry = git_tree_entry_byname(tree, "hello.c");
git_tree_entry_name(entry); // "hello.c"
// Once you have the entry object, you can access the content or subtree (or commit, in the case
// of submodules) that it points to. You can also get the mode if you want.
git_tree_entry_to_object(&objt, repo, entry); // blob
// Remember to close the looked-up object once you are done using it
git_object_free(objt);
// #### Blob Parsing
//
// The last object type is the simplest and requires the least parsing help. Blobs are just file
// contents and can contain anything, there is no structure to it. The main advantage to using the
// [simple blob api][ba] is that when you're creating blobs you don't have to calculate the size
// of the content. There is also a helper for reading a file from disk and writing it to the db and
// getting the oid back so you don't have to do all those steps yourself.
//
// [ba]: http://libgit2.github.com/libgit2/#HEAD/group/blob
printf("\n*Blob Parsing*\n");
git_blob *blob;
git_oid_fromstr(&oid, "af7574ea73f7b166f869ef1a39be126d9a186ae0");
git_blob_lookup(&blob, repo, &oid);
// You can access a buffer with the raw contents of the blob directly.
// Note that this buffer may not be contain ASCII data for certain blobs (e.g. binary files):
// do not consider the buffer a NULL-terminated string, and use the `git_blob_rawsize` attribute to
// find out its exact size in bytes
printf("Blob Size: %ld\n", git_blob_rawsize(blob)); // 8
git_blob_rawcontent(blob); // "content"
// ### Revwalking
//
// The libgit2 [revision walking api][rw] provides methods to traverse the directed graph created
// by the parent pointers of the commit objects. Since all commits point back to the commit that
// came directly before them, you can walk this parentage as a graph and find all the commits that
// were ancestors of (reachable from) a given starting point. This can allow you to create `git log`
// type functionality.
//
// [rw]: http://libgit2.github.com/libgit2/#HEAD/group/revwalk
printf("\n*Revwalking*\n");
git_revwalk *walk;
git_commit *wcommit;
git_oid_fromstr(&oid, "f0877d0b841d75172ec404fc9370173dfffc20d1");
// To use the revwalker, create a new walker, tell it how you want to sort the output and then push
// one or more starting points onto the walker. If you want to emulate the output of `git log` you
// would push the SHA of the commit that HEAD points to into the walker and then start traversing them.
// You can also 'hide' commits that you want to stop at or not see any of their ancestors. So if you
// want to emulate `git log branch1..branch2`, you would push the oid of `branch2` and hide the oid
// of `branch1`.
git_revwalk_new(&walk, repo);
git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL | GIT_SORT_REVERSE);
git_revwalk_push(walk, &oid);
const git_signature *cauth;
const char *cmsg;
// Now that we have the starting point pushed onto the walker, we can start asking for ancestors. It
// will return them in the sorting order we asked for as commit oids.
// We can then lookup and parse the commited pointed at by the returned OID;
// note that this operation is specially fast since the raw contents of the commit object will
// be cached in memory
while ((git_revwalk_next(&oid, walk)) == 0) {
error = git_commit_lookup(&wcommit, repo, &oid);
cmsg = git_commit_message(wcommit);
cauth = git_commit_author(wcommit);
printf("%s (%s)\n", cmsg, cauth->email);
git_commit_free(wcommit);
}
// Like the other objects, be sure to free the revwalker when you're done to prevent memory leaks.
// Also, make sure that the repository being walked it not deallocated while the walk is in
// progress, or it will result in undefined behavior
git_revwalk_free(walk);
// ### Index File Manipulation
//
// The [index file API][gi] allows you to read, traverse, update and write the Git index file
// (sometimes thought of as the staging area).
//
// [gi]: http://libgit2.github.com/libgit2/#HEAD/group/index
printf("\n*Index Walking*\n");
git_index *index;
unsigned int i, ecount;
// You can either open the index from the standard location in an open repository, as we're doing
// here, or you can open and manipulate any index file with `git_index_open_bare()`. The index
// for the repository will be located and loaded from disk.
git_repository_index(&index, repo);
// For each entry in the index, you can get a bunch of information including the SHA (oid), path
// and mode which map to the tree objects that are written out. It also has filesystem properties
// to help determine what to inspect for changes (ctime, mtime, dev, ino, uid, gid, file_size and flags)
// All these properties are exported publicly in the `git_index_entry` struct
ecount = git_index_entrycount(index);
for (i = 0; i < ecount; ++i) {
git_index_entry *e = git_index_get(index, i);
printf("path: %s\n", e->path);
printf("mtime: %d\n", (int)e->mtime.seconds);
printf("fs: %d\n", (int)e->file_size);
}
git_index_free(index);
// ### References
//
// The [reference API][ref] allows you to list, resolve, create and update references such as
// branches, tags and remote references (everything in the .git/refs directory).
//
// [ref]: http://libgit2.github.com/libgit2/#HEAD/group/reference
printf("\n*Reference Listing*\n");
// Here we will implement something like `git for-each-ref` simply listing out all available
// references and the object SHA they resolve to.
git_strarray ref_list;
git_reference_list(&ref_list, repo, GIT_REF_LISTALL);
const char *refname;
git_reference *ref;
// Now that we have the list of reference names, we can lookup each ref one at a time and
// resolve them to the SHA, then print both values out.
for (i = 0; i < ref_list.count; ++i) {
refname = ref_list.strings[i];
git_reference_lookup(&ref, repo, refname);
switch (git_reference_type(ref)) {
case GIT_REF_OID:
git_oid_fmt(out, git_reference_oid(ref));
printf("%s [%s]\n", refname, out);
break;
case GIT_REF_SYMBOLIC:
printf("%s => %s\n", refname, git_reference_target(ref));
break;
default:
fprintf(stderr, "Unexpected reference type\n");
exit(1);
}
}
git_strarray_free(&ref_list);
// ### Config Files
//
// The [config API][config] allows you to list and updatee config values in
// any of the accessible config file locations (system, global, local).
//
// [config]: http://libgit2.github.com/libgit2/#HEAD/group/config
printf("\n*Config Listing*\n");
const char *email;
int32_t j;
git_config *cfg;
// Open a config object so we can read global values from it.
git_config_open_ondisk(&cfg, "~/.gitconfig");
git_config_get_int32(cfg, "help.autocorrect", &j);
printf("Autocorrect: %d\n", j);
git_config_get_string(cfg, "user.email", &email);
printf("Email: %s\n", email);
// Finally, when you're done with the repository, you can free it as well.
git_repository_free(repo);
return 0;
}
StrArray Repository::reference_list() const
{
git_strarray str_array;
git_reference_list(&str_array, repo_);
return StrArray(str_array);
}
bool BaseRefsLookup(const char *repodir, std::string &refcontent)
{
StringBuffer buffer;
if (!refcontent.empty()) {
refcontent.clear();
}
git_repository *repo;
auto er = git_repository_open_bare(&repo, repodir);
if (!er) {
auto e = giterr_last();
refcontent.append("0000fata: ");
refcontent.append(e->message);
return false;
}
git_oid oid;
er = git_reference_name_to_id(&oid, repo, "HEAD");
if (er == GIT_ENOTFOUND) {
} else if (er == GIT_EINVALIDSPEC) {
} else if (er == GIT_EUNBORNBRANCH) {
/////Init bare Repository
} else {
}
std::string firstLine;
char out[GIT_OID_HEXSZ + 1];
out[GIT_OID_HEXSZ] = '\0';
git_oid_fmt(out, &oid);
firstLine.append(out);
firstLine.append("HEAD");
firstLine.append(0);
firstLine.append("multi_ack thin-pack side-band side-band-64k ofs-delta shallow no-progress include-tag multi_ack_detailed no-done symref=HEAD:");
git_strarray refs = { 0 };
const char *refname;
int len = 0;
git_reference *ref;
if (git_reference_list(&refs, repo) == 0) {
size_t i = 0;
for (; i<refs.count; i++) {
refname = refs.strings[i];
git_reference_lookup(&ref, repo, refname);
switch (git_reference_type(ref)) {
case GIT_REF_OID:
git_oid_fmt(out, git_reference_target(ref));
len = strlen(refname) + 46;
buffer.Format2(512,"%04x%s %s\n", len, out, refname);
break;
case GIT_REF_SYMBOLIC:
printf("%s => %s\n", refname, git_reference_symbolic_target(ref));
break;
default:
fprintf(stderr, "Unexpected reference type\n");
exit(1);
}
}
git_strarray_free(&refs);
}
git_repository_free(repo);
return true;
}
void MainWindow::on_pushButtonCommit_clicked()
{
if (repo != NULL)
{
QString filepath = ui->textRepoLocation->text();
QFile myfile(filepath+ "/test.txt");
if (myfile.open(QFile::WriteOnly))
{
QTextStream out(&myfile);
out << ui->textContent->toPlainText();
}
//add to index
git_strarray array = {0};
git_index* index;
struct print_payload payload;
git_repository_index(&index, repo);
git_index_add_all(index, &array, 0, NULL, &payload);
git_index_write(index);
//note2self: the above simply writes
//now, do a commit!
//random: list references
git_strarray refs = {0};
int error = git_reference_list(&refs, repo);
for (int i=0; i<refs.count; i++)
{
qDebug() << "ref " <<i<<" = "<< refs.strings[i];
}
//end random: list references
//for a commit, we need:
// -repo (obviously)
// - name of ref (usually "HEAD")
// - author commiter sig
// - encoding+ message
// - root tree (pointer
// - parent count+parents (why? can have multiple parents)
git_tree *tree;
git_oid tree_id, parent_id, commit_id;
error = git_index_write_tree(&tree_id, index); //we need to put index into a tree object for commit
error = git_tree_lookup(&tree, repo, &tree_id);
//tree_id = *git_object_id((git_object*)tree);
git_commit *parent;
//get HEAD and use it as parent of commit, put it in parent
error = git_reference_name_to_id(&parent_id, repo, "HEAD");
error = git_commit_lookup(&parent, repo, &parent_id);
//do commit
git_signature* sig;
git_signature_now(&sig, "johnty", "*****@*****.**");
const char* msg = "Test Commit Message";
git_commit_create_v(
&commit_id,
repo,
"HEAD",
sig,
sig,
NULL,
msg,
tree,
1,
parent
);
git_index_free(index);
git_signature_free(sig);
git_tree_free(tree);
git_commit_free(parent);
//QMessageBox::information(this, tr("commit"), tr("commit successful"));
}
}
