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")); } }