Compile & segfault. Good night!

Author: motiejus

Makefile

@@ -1,5 +1,6 @@
 git2: git2.c libgit2.a
 git2.c:
+	#gcc -static src/git2.c -I. -L. -lgit2 -ogit2 -Wall -pedantic
 	gcc -static src/git2.c -I. -L. -lgit2 -ogit2
 
 libgit2: libgit2.a

git2.c

@@ -3,11 +3,52 @@
 
 #include "libgit2/include/git2.h"
 
+// doh ~stub
+void get_master_hex(char *hex) {
+    FILE *f = fopen(".git/refs/heads/master", "r");
+    fgets(hex, 41, f);
+    fclose(f);
+}
+
 int main (int argc, char** argv) {
+    /*
+    if (argc != 2) {
+        printf("Usage: git2 rev-list <commit>\n");
+        exit(1);
+    }
+
+    if (strcmp(argv[1], "rev-list") != 0) {
+        printf("Not implemented!\n");
+        exit(1);
+    }
+    */
+    int bac = 5;
+    printf("Motiejus: %d, %X\n", bac, &bac);
 
     git_repository *repo;
     git_repository_open(&repo, ".");
+    char *hex = (char*)malloc(41*sizeof(char));
+    get_master_hex(hex); // do not look what's inside
+
+    // Start rev-list code //
+
+    git_oid id;
+    git_revwalk *walk;
+    git_commit *head;
+    git_commit *commit;
+
+    git_oid_mkstr(&id, hex);
+    git_commit_lookup(&head, repo, &id);
+
+    git_revwalk_new(&walk, repo);
+    git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL | GIT_SORT_REVERSE);
+    git_revwalk_push(walk, &id);
 
-    printf("I've been loaded!\n");
+    git_signature *author;
+    while ((commit = git_revwalk_next(&id, walk)) != NULL) {
+        char * msg = git_commit_message_short(commit);
+        author = git_commit_author(commit);
+        printf("%s (%s)\n", msg, author->email);
+    }
     return 0;
 }