1 files changed, 92 insertions, 0 deletions
diff --git a/src/manifest.c b/src/manifest.c
index b41e9f7..5193c3d 100644
--- a/src/manifest.c
+++ b/src/manifest.c
@@ -1,4 +1,96 @@
 //
 // Created by jhunk on 12/20/19.
 //
+#include "spm.h"
 
+int manifest_create(const char *package_dir) {
+    const char *filename = "manifest.dat";
+    char path[PATH_MAX];
+    int total_records = 0;
+    FSTree *fsdata = NULL;
+    fsdata = fstree(package_dir);
+    ManifestPackage **info = (ManifestPackage **)calloc(fsdata->files_length + 1, sizeof(ManifestPackage *));
+
+    memset(path, '\0', sizeof(path));
+    memset(info, '\0', sizeof(ManifestPackage *));
+    sprintf(path, "%s%c%s", SPM_GLOBAL.user_config_basedir, DIRSEP, filename);
+
+    printf("Gathering package data:\n");
+    for (int i = 0; i < fsdata->files_length && i < 0xffff; i++) {
+        float percent = (((float)i + 1) / fsdata->files_length) * 100;
+        printf("[%3.0f%%] %s\n", percent, basename(fsdata->files[i]));
+        Dependencies *deps = NULL;
+        dep_init(&deps);
+        if (dep_all(&deps, basename(fsdata->files[i])) < 0) {
+            dep_free(&deps);
+        }
+
+        // Initialize package record
+        info[i] = (ManifestPackage *)calloc(1, sizeof(ManifestPackage));
+
+        // Copy dependencies
+        if (deps->records) {
+            info[i]->requirements = (char **) calloc(deps->__size, sizeof(char *));
+            for (int j = 0; j < deps->records; j++) {
+                info[i]->requirements[j] = (char *) calloc(strlen(deps->list[j]) + 1, sizeof(char));
+                strncpy(info[i]->requirements[j], deps->list[j], strlen(deps->list[j]));
+            }
+        }
+        dep_free(&deps);
+
+        char **parts = split(fsdata->files[i], "-");
+        info[i]->size = get_file_size(fsdata->files[i]);
+        strncpy(info[i]->archive, basename(fsdata->files[i]), PACKAGE_MEMBER_SIZE);
+        strncpy(info[i]->name, basename(parts[0]), PACKAGE_MEMBER_SIZE);
+        strncpy(info[i]->version, parts[1], PACKAGE_MEMBER_SIZE);
+        strncpy(info[i]->revision, parts[2], PACKAGE_MEMBER_SIZE);
+        strdelsuffix(info[i]->revision, SPM_PACKAGE_EXTENSION);
+        split_free(parts);
+        total_records++;
+    }
+    printf("\n");
+
+    FILE *fp = fopen(path, "w+");
+    char *reqs;
+    for (int i = 0; i < total_records; i++) {
+        if (SPM_GLOBAL.verbose) {
+            printf("%-20s: %s\n"
+                   "%-20s: %lu\n"
+                   "%-20s: %s\n"
+                   "%-20s: %s\n"
+                   "%-20s: %s\n",
+                   "archive", info[i]->archive,
+                   "size", info[i]->size,
+                   "name", info[i]->name,
+                   "version", info[i]->version,
+                   "revision", info[i]->revision
+            );
+            reqs = join(info[i]->requirements, ", ");
+            printf("%-20s: %s\n", "requirements", reqs ? reqs : "NONE");
+            free(reqs);
+            printf("\n");
+        }
+
+    }
+
+    printf("Generating manifest: %s\n", path);
+    for (int i = 0; i < total_records; i++) {
+        // write CSV-like manifest
+        char data[BUFSIZ];
+        memset(data, '\0', BUFSIZ);
+        char *dptr = data;
+        float percent = (((float)i + 1) / total_records) * 100;
+        printf("[%3.0f%%] %s\n", percent, info[i]->archive);
+        reqs = join(info[i]->requirements, ",");
+        sprintf(dptr, "%s|" // archive
+                      "%lu|" // size
+                      "%s|" // name
+                      "%s|" // version
+                      "%s|" // revision
+                      "%s" // requirements
+                      , info[i]->archive, info[i]->size, info[i]->name, info[i]->version, info[i]->revision, reqs ? reqs : "*");
+        fprintf(fp, "%s\n", dptr);
+        free(reqs);
+    }
+    fclose(fp);
+}