1 files changed, 63 insertions, 0 deletions
diff --git a/src/recipe.c b/src/recipe.c
new file mode 100644
index 0000000..6f6eeab
--- /dev/null
+++ b/src/recipe.c
@@ -0,0 +1,63 @@
+#include "recipe.h"
+
+int recipe_clone(char *recipe_dir, char *url, char *gitref, char **result) {
+    struct Process proc;
+    char destdir[PATH_MAX];
+    char *reponame = NULL;
+
+    memset(&proc, 0, sizeof(proc));
+    memset(destdir, 0, sizeof(destdir));
+    reponame = path_basename(url);
+
+    sprintf(destdir, "%s/%s", recipe_dir, reponame);
+    if (!*result) {
+        *result = calloc(PATH_MAX, sizeof(*result));
+        if (!*result) {
+            return -1;
+        }
+    }
+    strncpy(*result, destdir, PATH_MAX - 1);
+
+    if (!access(destdir, F_OK)) {
+        if (!strcmp(destdir, "/")) {
+            fprintf(stderr, "OHMYCAL is misconfigured. Please check your output path(s) immediately.\n");
+            fprintf(stderr, "recipe_dir = '%s'\nreponame = '%s'\ndestdir = '%s'\n",
+                    recipe_dir, reponame, destdir);
+        }
+        if (rmtree(destdir)) {
+            free(*result);
+            *result = NULL;
+            return -1;
+        }
+    }
+    return git_clone(&proc, url, destdir, gitref);
+}
+
+
+int recipe_get_type(char *repopath) {
+    int result;
+    char path[PATH_MAX];
+    // conda-forge is a collection of repositories
+    // "conda-forge.yml" is guaranteed to exist
+    const char *marker[] = {
+            "conda-forge.yml",
+            "stsci",
+            "meta.yaml",
+            NULL
+    };
+    const int type[] = {
+            RECIPE_TYPE_CONDA_FORGE,
+            RECIPE_TYPE_ASTROCONDA,
+            RECIPE_TYPE_GENERIC
+    };
+
+    for (size_t i = 0; marker[i] != NULL; i++) {
+        sprintf(path, "%s/%s", repopath, marker[i]);
+        result = access(path, F_OK);
+        if (!result) {
+            return type[i];
+        }
+    }
+
+    return RECIPE_TYPE_UNKNOWN;
+}
+\ No newline at end of file