Started work on `create_info()`.

1 files changed, 47 insertions, 0 deletions

diff --git a/git.c b/git.c
index bd4fb4b..04c088f 100644
--- a/git.c
+++ b/git.c
@@ -68,6 +68,53 @@ pull_request *get_pull_request(int id, const char *root) {
 
 }
 
+int create_info(pull_request *pr, const char *pr_dir) {
+	int len = strlen(pr_dir) + strlen("/info");
+	char *info = calloc(len+1, sizeof(char));
+	char *info_buf;
+	FILE *fp;
+
+	/* Append /info to the PR directory. */
+	sprintf(info, "%s/info", pr_dir);
+
+	/* TODO: Write the rest of the code. */
+
+	/* Is there already an info file? */
+	if (access(info, F_OK) == 0) {
+		long size = 0;
+		char *buf = read_file(info, &size);
+
+		log(LOG_INFO, "Info file already exists.");
+
+		/* Did we read the file? */
+		if (buf != NULL) {
+			/* Are the contents of the info file the same? */
+			if (strcmp(info_buf, buf) == 0) {
+				log(LOG_INFO, "New info file is the same as the existing one.");
+				free(info);
+				free(info_buf);
+				free(buf);
+				return 2;
+			}
+			free(buf);
+		} else {
+			log(LOG_ERR, "Couldn't open existing info file.");
+			return 0;
+		}
+	}
+
+	/* Open the info file. */
+	fp = fopen(pr_dir, "w");
+
+	/* Did we fail to open the file? */
+	if (fp == NULL) {
+		log(LOG_ERR, "Failed to open info file.");
+		return 0;
+	}
+
+	return 1;
+}
+
 int create_pull_request_dir(pull_request *pr, int id, const char *root) {
 	int ret = id;
 	struct stat st;