diff options
Diffstat (limited to 'examples/general.c')
| -rw-r--r-- | examples/general.c | 82 |
1 files changed, 39 insertions, 43 deletions
diff --git a/examples/general.c b/examples/general.c index ae8756338..235055906 100644 --- a/examples/general.c +++ b/examples/general.c @@ -71,6 +71,43 @@ int main (int argc, char** argv) int error; const char *repo_path = (argc > 1) ? argv[1] : "/opt/libgit2-test/.git"; git_repository *repo; + char* hex; + git_oid oid; + char out[41]; + git_odb* odb; + git_odb_object *obj; + git_otype otype; + const unsigned char *data; + const char *str_type; + git_commit* commit; + const git_signature *author, *cmtter; + const char *message; + time_t ctime; + unsigned int parents, p; + git_oid tree_id, parent_id, commit_id; + git_tree *tree; + git_commit *parent; + git_tag *tag; + const char *tmessage, *tname; + git_otype ttype; + const git_tree_entry *entry; + git_object *objt; + size_t cnt; + git_blob *blob; + git_revwalk *walk; + git_commit *wcommit; + const git_signature *cauth; + const char *cmsg; + git_index *index; + unsigned int i, ecount; + git_strarray ref_list; + const char *refname; + git_reference *ref; + const char *email; + int32_t j; + git_config *cfg; + char config_path[256]; + error = git_repository_open(&repo, repo_path); check_error(error, "opening repository"); @@ -80,12 +117,11 @@ int main (int argc, char** argv) // 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[] = "4a202b346bb0fb0db7eff3cffeb3c70babbd2045"; + hex = "4a202b346bb0fb0db7eff3cffeb3c70babbd2045"; // 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 @@ -94,7 +130,6 @@ int main (int argc, char** argv) // 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. @@ -109,16 +144,11 @@ int main (int argc, char** argv) // 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; // 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 @@ -177,17 +207,11 @@ int main (int argc, char** argv) printf("\n*Commit Parsing*\n"); - git_commit *commit; git_oid_fromstr(&oid, "8496071c1b46c854b31185ea97743be6a8774479"); error = git_commit_lookup(&commit, repo, &oid); check_error(error, "looking up commit"); - 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 `git_commit_message` which gives you the @@ -229,9 +253,6 @@ int main (int argc, char** argv) // [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 simple. You // will need to do this to specify who created a commit and when. Default @@ -277,9 +298,6 @@ int main (int argc, char** argv) // // [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 // the same way that we would a commit (or any other object). @@ -310,16 +328,13 @@ int main (int argc, char** argv) // [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. - size_t cnt = git_tree_entrycount(tree); // 3 + cnt = git_tree_entrycount(tree); // 3 printf("tree entries: %d\n", (int)cnt); entry = git_tree_entry_byindex(tree, 0); @@ -351,7 +366,6 @@ int main (int argc, char** argv) // [ba]: http://libgit2.github.com/libgit2/#HEAD/group/blob printf("\n*Blob Parsing*\n"); - git_blob *blob; git_oid_fromstr(&oid, "1385f264afb75a56a5bec74243be9b367ba4ca08"); git_blob_lookup(&blob, repo, &oid); @@ -376,8 +390,6 @@ int main (int argc, char** argv) // [rw]: http://libgit2.github.com/libgit2/#HEAD/group/revwalk printf("\n*Revwalking*\n"); - git_revwalk *walk; - git_commit *wcommit; git_oid_fromstr(&oid, "5b5b025afb0b4c913b4c338a42934a3863bf3644"); @@ -393,9 +405,6 @@ int main (int argc, char** argv) 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 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 @@ -427,9 +436,6 @@ int main (int argc, char** argv) 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 @@ -465,12 +471,8 @@ int main (int argc, char** argv) // 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); - 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) { @@ -503,13 +505,7 @@ int main (int argc, char** argv) 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. - char config_path[256]; sprintf(config_path, "%s/config", repo_path); check_error(git_config_open_ondisk(&cfg, config_path), "opening config"); |