/*
* call-seq:
* commit.epoch_time -> int
*
* Return the time when this commit was made effective. This is the same value
* as the +:time+ attribute for +commit.committer+, but represented as an +Integer+
* value in seconds since the Epoch.
*
* commit.time #=> 1327383765
*/
static VALUE rb_git_commit_epoch_time_GET(VALUE self)
{
git_commit *commit;
Data_Get_Struct(self, git_commit, commit);
return ULONG2NUM(git_commit_time(commit));
}
SEXP Commit::time()
{
git_time r;
r.time = git_commit_time(commit.get());
r.offset = git_commit_time_offset(commit.get());
return Time::create(&r);
}
QDateTime Commit::dateCreated()
{
QDateTime dateTime;
git_time_t time = git_commit_time(commit);
dateTime.setTime_t(time);
return dateTime;
}
static VALUE rb_git_commit_time_GET(VALUE self)
{
git_commit *commit;
RUGGED_OBJ_UNWRAP(self, git_commit, commit);
return ULONG2NUM(git_commit_time(commit));
}
// query the details on a parsed commit
void test_commit_parse__details0(void) {
static const char *commit_ids[] = {
"a4a7dce85cf63874e984719f4fdd239f5145052f", /* 0 */
"9fd738e8f7967c078dceed8190330fc8648ee56a", /* 1 */
"4a202b346bb0fb0db7eff3cffeb3c70babbd2045", /* 2 */
"c47800c7266a2be04c571c04d5a6614691ea99bd", /* 3 */
"8496071c1b46c854b31185ea97743be6a8774479", /* 4 */
"5b5b025afb0b4c913b4c338a42934a3863bf3644", /* 5 */
"a65fedf39aefe402d3bb6e24df4d4f5fe4547750", /* 6 */
};
const size_t commit_count = sizeof(commit_ids) / sizeof(const char *);
unsigned int i;
for (i = 0; i < commit_count; ++i) {
git_oid id;
git_commit *commit;
const git_signature *author, *committer;
const char *message;
git_time_t commit_time;
unsigned int parents, p;
git_commit *parent = NULL, *old_parent = NULL;
git_oid_fromstr(&id, commit_ids[i]);
cl_git_pass(git_commit_lookup(&commit, g_repo, &id));
message = git_commit_message(commit);
author = git_commit_author(commit);
committer = git_commit_committer(commit);
commit_time = git_commit_time(commit);
parents = git_commit_parentcount(commit);
cl_assert_equal_s("Scott Chacon", author->name);
cl_assert_equal_s("*****@*****.**", author->email);
cl_assert_equal_s("Scott Chacon", committer->name);
cl_assert_equal_s("*****@*****.**", committer->email);
cl_assert(message != NULL);
cl_assert(strchr(message, '\n') != NULL);
cl_assert(commit_time > 0);
cl_assert(parents <= 2);
for (p = 0;p < parents;p++) {
if (old_parent != NULL)
git_commit_free(old_parent);
old_parent = parent;
cl_git_pass(git_commit_parent(&parent, commit, p));
cl_assert(parent != NULL);
cl_assert(git_commit_author(parent) != NULL); // is it really a commit?
}
git_commit_free(old_parent);
git_commit_free(parent);
cl_git_fail(git_commit_parent(&parent, commit, parents));
git_commit_free(commit);
}
}
char *gbr_ctime_object(char *buf, int sz, git_object *object)
{
git_time_t ts;
switch (git_object_type(object)) {
case GIT_OBJ_COMMIT:
ts = git_commit_time((git_commit *)object);
break;
default:
ts = 0;
break;
}
return ctime_ts(buf, sz, ts);
}
MasterlistInfo Masterlist::GetInfo(const boost::filesystem::path& path, bool shortID) {
// Compare HEAD and working copy, and get revision info.
GitHelper git;
MasterlistInfo info;
git.SetErrorMessage((boost::format(translate("An error occurred while trying to read the local masterlist's version. If this error happens again, try deleting the \".git\" folder in %1%.")) % path.parent_path().string()).str());
if (!fs::exists(path)) {
BOOST_LOG_TRIVIAL(info) << "Unknown masterlist revision: No masterlist present.";
throw FileAccessError(translate("N/A: No masterlist present"));
} else if (!git.IsRepository(path.parent_path())) {
BOOST_LOG_TRIVIAL(info) << "Unknown masterlist revision: Git repository missing.";
throw GitStateError(translate("Unknown: Git repository missing"));
}
BOOST_LOG_TRIVIAL(debug) << "Existing repository found, attempting to open it.";
git.Call(git_repository_open(&git.GetData().repo, path.parent_path().string().c_str()));
//Need to get the HEAD object, because the individual file has a different SHA.
BOOST_LOG_TRIVIAL(info) << "Getting the Git object for the tree at HEAD.";
git.Call(git_revparse_single(&git.GetData().object, git.GetData().repo, "HEAD"));
BOOST_LOG_TRIVIAL(trace) << "Generating hex string for Git object ID.";
if (shortID) {
git.Call(git_object_short_id(&git.GetData().buffer, git.GetData().object));
info.revision_id = git.GetData().buffer.ptr;
} else {
char c_rev[GIT_OID_HEXSZ + 1];
info.revision_id = git_oid_tostr(c_rev, GIT_OID_HEXSZ + 1, git_object_id(git.GetData().object));
}
BOOST_LOG_TRIVIAL(trace) << "Getting date for Git object.";
const git_oid * oid = git_object_id(git.GetData().object);
git.Call(git_commit_lookup(&git.GetData().commit, git.GetData().repo, oid));
git_time_t time = git_commit_time(git.GetData().commit);
boost::locale::date_time dateTime(time);
std::stringstream out;
out << boost::locale::as::ftime("%Y-%m-%d") << dateTime;
info.revision_date = out.str();
BOOST_LOG_TRIVIAL(trace) << "Diffing masterlist HEAD and working copy.";
info.is_modified = GitHelper::IsFileDifferent(path.parent_path(), path.filename().string());
return info;
}
QDateTime GitWrapper::getLastCommitDate(git_repository *repo)
{
if(repo==0)
return QDateTime();
git_oid oid_parent_commit; /* the SHA1 for last commit */
int error = git_reference_name_to_id( &oid_parent_commit, repo, "HEAD" );
if(error < 0)
return QDateTime();
git_commit * head = NULL;
error = git_commit_lookup( &head, repo, &oid_parent_commit );
if(error < 0)
return QDateTime();
int64_t time = static_cast<int64_t>(git_commit_time(head));
QDateTime date;
date.setTime_t(time);
git_commit_free(head);
return date;
}
time_t Commit::time() const {
return git_commit_time(get());
}
char *gbr_ctime_commit(char *buf, int sz, git_commit *commit)
{
return ctime_ts(buf, sz, git_commit_time(commit));
}
void QGit::listCommits(QString object, int length)
{
QList<QGitCommit> commits;
git_repository *repo = nullptr;
git_revwalk *walker = nullptr;
git_commit *parent = nullptr;
git_commit *commit = nullptr;
git_diff *diff = nullptr;
git_oid oid;
int count = 0;
int res = 0;
QGitError error;
try {
res = git_repository_open(&repo, m_path.absolutePath().toUtf8().constData());
if (res)
{
throw QGitError("git_repository_open", res);
}
res = git_revwalk_new(&walker, repo);
if (res)
{
throw QGitError("git_revwalk_new", res);
}
if (object.isEmpty())
{
res = git_revwalk_push_head(walker);
if (res)
{
length = 0;
}
}
else
{
res = git_oid_fromstr(&oid, object.toLatin1().constData());
if (res)
{
throw QGitError("git_oid_fromstr", res);
}
res = git_revwalk_push(walker, &oid);
if (res)
{
throw QGitError("git_revwalk_push", res);
}
memset(&oid, 0, sizeof(oid));
git_revwalk_next(&oid, walker);
memset(&oid, 0, sizeof(oid));
}
while ((!git_revwalk_next(&oid, walker))&&(count < length)) {
QGitCommit item;
unsigned int parents = 0;
QString commit_id;
QList<QGitCommitDiffParent> commit_parents;
QDateTime commit_time;
QGitSignature commit_author;
QGitSignature commit_commiter;
QString commit_message;
res = git_commit_lookup(&commit, repo, &oid);
if (res)
{
throw QGitError("git_commit_lookup", res);
}
commit_id = QString::fromUtf8(git_oid_tostr_s(&oid));
parents = git_commit_parentcount(commit);
for(unsigned int index = 0; index < parents; index++)
{
git_commit *parent = nullptr;
QByteArray parentStr;
res = git_commit_parent(&parent, commit, index);
if (res)
{
throw QGitError("git_commit_parent", res);
}
const git_oid *parent_iod = git_commit_id(parent);
parentStr = QByteArray(git_oid_tostr_s(parent_iod));
commit_parents.append(QGitCommitDiffParent(parentStr));
git_commit_free(parent);
parent = nullptr;
}
auto time = git_commit_time(commit);
auto timeOffset = git_commit_time_offset(commit);
commit_time = QDateTime::fromMSecsSinceEpoch(time * 1000);
commit_time.setOffsetFromUtc(timeOffset * 60);
QString author_name = QString::fromUtf8(git_commit_author(commit)->name);
QString author_email = QString::fromUtf8(git_commit_author(commit)->email);
QDateTime author_when = QDateTime::fromMSecsSinceEpoch(git_commit_author(commit)->when.time * 1000);
author_when.setOffsetFromUtc(git_commit_author(commit)->when.offset * 60);
commit_author = QGitSignature(author_name, author_email, author_when);
QString commiter_name = QString::fromUtf8(git_commit_committer(commit)->name);
QString commiter_email = QString::fromUtf8(git_commit_committer(commit)->email);
QDateTime commiter_when = QDateTime::fromMSecsSinceEpoch(git_commit_committer(commit)->when.time * 1000);
commiter_when.setOffsetFromUtc(git_commit_committer(commit)->when.offset * 60);
commit_commiter = QGitSignature(commiter_name, commiter_email, commiter_when);
commit_message = QString::fromUtf8(git_commit_message(commit));
item = QGitCommit(commit_id, commit_parents, commit_time, commit_author, commit_commiter, commit_message);
commits.push_back(item);
git_diff_free(diff);
diff = nullptr;
git_commit_free(parent);
parent = nullptr;
git_commit_free(commit);
commit = nullptr;
count++;
}
} catch(const QGitError &ex) {
error = ex;
}
emit listCommitsReply(commits, error);
if (diff)
{
git_diff_free(diff);
diff = nullptr;
}
if (parent)
{
git_commit_free(parent);
parent = nullptr;
}
if (walker)
{
git_revwalk_free(walker);
walker = nullptr;
}
if (repo)
{
git_repository_free(repo);
repo = nullptr;
}
}
git_time_t time() const { return git_commit_time(commit); }
PyObject *
Commit_commit_time__get__(Commit *commit)
{
return PyLong_FromLongLong(git_commit_time(commit->commit));
}
Commit::Commit(git_commit *commit)
: m_oid(git_commit_id(commit))
{
// TODO: how to handle git_commit_time_offset?
m_time = git_commit_time(commit);
}
QDateTime QGitCommit::dateTime() const
{
QDateTime dateTime;
dateTime.setTime_t(git_commit_time(data()));
return dateTime;
}
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;
}
void QGit::commitDiff(QString commitId)
{
const git_diff_delta *delta = nullptr;
git_tree *commit_tree = nullptr;
git_tree *parent_tree = nullptr;
git_repository *repo = nullptr;
git_commit *parent = nullptr;
git_commit *commit = nullptr;
git_object *obj = nullptr;
git_diff *diff = nullptr;
QList<QGitCommitDiffParent> parents;
QGitSignature commitAuthor, commitCommiter;
QDateTime commitTime;
QString commitMessage;
QGitCommit commitDiff;
unsigned int parentCount;
int res = 0;
QGitError error;
try {
res = git_repository_open(&repo, m_path.absolutePath().toUtf8().constData());
if (res)
{
throw QGitError("git_repository_open", res);
}
if (commitId.isEmpty())
{
commitId = QStringLiteral("HEAD");
}
res = git_revparse_single(&obj, repo, commitId.toLatin1());
if (res)
{
throw QGitError("git_revparse_single", res);
}
res = git_commit_lookup(&commit, repo, git_object_id(obj));
if (res)
{
throw QGitError("git_commit_lookup", res);
}
res = git_commit_tree(&commit_tree, commit);
if (res)
{
throw QGitError("git_commit_tree", res);
}
commitAuthor = QGitSignature(QString::fromUtf8(git_commit_author(commit)->name), QString::fromUtf8(git_commit_author(commit)->email), QDateTime::fromMSecsSinceEpoch(git_commit_author(commit)->when.time * 1000));
commitCommiter = QGitSignature(QString::fromUtf8(git_commit_committer(commit)->name), QString::fromUtf8(git_commit_committer(commit)->email), QDateTime::fromMSecsSinceEpoch(git_commit_committer(commit)->when.time * 1000));
auto time = git_commit_time(commit);
auto timeOffset = git_commit_time_offset(commit);
commitTime = QDateTime::fromMSecsSinceEpoch(time * 1000);
commitTime.setOffsetFromUtc(timeOffset * 60);
commitMessage = QString::fromUtf8(git_commit_message(commit));
parentCount = git_commit_parentcount(commit);
if (parentCount == 0)
{
QGitCommitDiffParent item;
res = git_diff_tree_to_tree(&diff, repo, nullptr, commit_tree, nullptr);
if (res)
{
throw QGitError("git_diff_tree_to_tree", res);
}
size_t _count = git_diff_num_deltas(diff);
for(size_t c = 0; c < _count; c++)
{
delta = git_diff_get_delta(diff, c);
item.addFile(delta);
}
git_diff_free(diff);
diff = nullptr;
parents.append(item);
}
else
{
for(unsigned int c = 0; c < parentCount; c++)
{
res = git_commit_parent(&parent, commit, c);
if (res)
{
throw QGitError("git_commit_parent", res);
}
char commit_id[41] = {0, };
const git_oid *oid = git_commit_id(parent);
git_oid_tostr(commit_id, 41, oid);
QGitCommitDiffParent item(commit_id);
res = git_commit_tree(&parent_tree, parent);
if (res)
{
throw QGitError("git_commit_tree", res);
}
res = git_diff_tree_to_tree(&diff, repo, parent_tree, commit_tree, nullptr);
if (res)
{
throw QGitError("git_diff_tree_to_tree", res);
}
size_t _count = git_diff_num_deltas(diff);
for(size_t c = 0; c < _count; c++)
{
delta = git_diff_get_delta(diff, c);
item.addFile(delta);
}
git_diff_free(diff);
diff = nullptr;
git_tree_free(parent_tree);
parent_tree = nullptr;
git_commit_free(parent);
parent = nullptr;
parents.append(item);
}
}
} catch(const QGitError &ex) {
error = ex;
}
commitDiff = QGitCommit(commitId, parents, commitTime, commitAuthor, commitCommiter, commitMessage);
emit commitDiffReply(commitId, commitDiff, error);
if (diff)
{
git_diff_free(diff);
diff = nullptr;
}
if (parent_tree)
{
git_tree_free(parent_tree);
parent_tree = nullptr;
}
if (parent)
{
git_commit_free(parent);
parent = nullptr;
}
if (commit_tree)
{
git_tree_free(commit_tree);
commit_tree = nullptr;
}
if(commit)
{
git_commit_free(commit);
commit = nullptr;
}
if(obj)
{
git_object_free(obj);
obj = nullptr;
}
if (repo)
{
git_repository_free(repo);
repo = nullptr;
}
}
