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#if defined(LIGBIT)
#include <stdio.h>
#include "r-lg2.h"
#include "xstd.h"
#include "output.h"
git_repository *g_repo = NULL;
static int lg2_commit(git_index *index, char *comment)
{
int error;
git_oid commit_oid, tree_oid;
git_tree *tree = NULL;
git_object *parent = NULL;
git_reference *ref = NULL;
git_signature *author_signature = NULL, *committer_signature = NULL;
error = git_revparse_ext(&parent, &ref, g_repo, "HEAD");
if (error == GIT_ENOTFOUND) {
printf("HEAD not found. Creating first commit\n");
error = 0;
} else if (error != 0) {
const git_error *err = git_error_last();
if (err) printf("ERROR %d: %s\n", err->klass, err->message);
else printf("ERROR %d: no detailed info\n", error);
return error;
}
error = git_index_write_tree(&tree_oid, index);
if (error) {
print_error("git: Could not write tree\n");
return error;
}
error = git_index_write(index);
if (error) {
print_error("git: Could not write index\n");
return error;
}
error = git_tree_lookup(&tree, g_repo, &tree_oid);
if (error) {
print_error("git: Error looking up tree\n");
return error;
}
error = git_signature_default_from_env(&author_signature, &committer_signature, g_repo);
if (error) {
print_error("git: Error creating signatures\n");
return error;
}
error = git_commit_create_v(
&commit_oid,
g_repo,
"HEAD",
author_signature,
committer_signature,
NULL,
comment,
tree,
parent ? 1 : 0, parent);
if (error) {
print_error("git: Error creating commit\n");
} else {
char *commit_hash = git_oid_tostr_s(&commit_oid);
printf("git: [HEAD %s] %s\n", commit_hash, comment);
error = 0;
}
git_signature_free(author_signature);
git_signature_free(committer_signature);
git_tree_free(tree);
git_object_free(parent);
git_reference_free(ref);
return error;
}
int lg2_open_repo(const char *path)
{
int error = 0;
error = git_libgit2_init();
if (error < 0) {
const git_error *e = git_error_last();
print_error("git_libgit2_init(): %s\n", e->message);
return error;
}
error = git_repository_open(&g_repo, path);
if (error < 0) {
print_error("Warning: could not open repository, trying git init\n");
error = git_repository_init(&g_repo, path, 0);
if (error < 0) {
const git_error *e = git_error_last();
print_error("git_repository_init(): %s\n", e->message);
return error;
}
git_index *idx = NULL;
error = git_repository_index(&idx, g_repo);
if (error < 0) {
const git_error *e = git_error_last();
print_error("git_repository_index(): %s\n", e->message);
git_repository_free(g_repo);
return error;
}
// Add all files in the repository
char *paths[] = {"*", ".*"};
git_strarray arr = {paths, 2};
error = git_index_add_all(idx, &arr, GIT_INDEX_ADD_DEFAULT, NULL, NULL);
if (error < 0) {
const git_error *e = git_error_last();
print_error("git_index_add_all(): %s\n", e->message);
git_index_free(idx);
git_repository_free(g_repo);
return error;
}
error = lg2_commit(idx, "init commit");
git_index_free(idx);
}
return error;
}
int lg2_close_repo()
{
if (g_repo != NULL)
git_repository_free(g_repo);
git_libgit2_shutdown();
return 0;
}
int lg2_simple_action(git_action_t action, int is_overwrite, const char *path, const char *new_path)
{
int error = 0;
git_index *idx = NULL;
char *message = NULL;
const char *action_str = "";
const char *overwrite_str = NULL;
error = git_repository_index(&idx, g_repo);
if (error < 0) {
const git_error *e = git_error_last();
print_error("git_repository_index(): %s\n", e->message);
return error;
}
switch (action) {
case GIT_ACTION_INSERT:
action_str = "insert";
error = git_index_add_bypath(idx, path);
break;
case GIT_ACTION_GENERATE:
action_str = "generate";
error = git_index_add_bypath(idx, path);
break;
case GIT_ACTION_EDIT:
action_str = "edit";
error = git_index_add_bypath(idx, path);
break;
case GIT_ACTION_DELETE:
action_str = "delete";
error = git_index_remove_bypath(idx, path);
break;
case GIT_ACTION_MOVE:
error = git_index_remove_bypath(idx, path);
if (!error)
error = git_index_add_bypath(idx, new_path);
if (is_overwrite)
overwrite_str = " (overwrite)";
message = xstrcat(path, " -> ", new_path, overwrite_str, NULL);
break;
}
if (error) {
const git_error *e = git_error_last();
print_error("Index operation failed: %s\n", e->message);
git_index_free(idx);
return error;
}
// Generate commit message if not already set (for move)
if (!message) {
if (is_overwrite)
overwrite_str = " (overwrite)";
message = xstrcat(path, ": ", action_str, overwrite_str, NULL);
}
if (!message) {
git_index_free(idx);
return 1;
}
error = lg2_commit(idx, message);
free(message);
git_index_free(idx);
return error;
}
#endif /* LIGBIT */
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