libpakfire: Implement reading scriptlets

They won't be executed, yet

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/libpakfire/step.c b/src/libpakfire/step.c
index e0ad40fa24168d492dd75184d17abe0819f4102c..a028d4b075c00e7ee37af8b8fea402a76e837f5d 100644 (file)
--- a/src/libpakfire/step.c
+++ b/src/libpakfire/step.c
@@ -78,6 +78,48 @@ static pakfire_step_type_t get_type(Transaction* transaction, Id id) {
        }
 }
 
+static const char* pakfire_step_script_filename(pakfire_script_type script) {
+       switch (script) {
+               case PAKFIRE_SCRIPT_PREIN:
+                       return "scriptlets/prein";
+
+               case PAKFIRE_SCRIPT_PREUN:
+                       return "scriptlets/preun";
+
+               case PAKFIRE_SCRIPT_PREUP:
+                       return "scriptlets/preup";
+
+               case PAKFIRE_SCRIPT_PRETRANSIN:
+                       return "scriptlets/pretansin";
+
+               case PAKFIRE_SCRIPT_PRETRANSUN:
+                       return "scriptlets/pretransun";
+
+               case PAKFIRE_SCRIPT_PRETRANSUP:
+                       return "scriptlets/pretransup";
+
+               case PAKFIRE_SCRIPT_POSTIN:
+                       return "scriptlets/postin";
+
+               case PAKFIRE_SCRIPT_POSTUN:
+                       return "scriptlets/postun";
+
+               case PAKFIRE_SCRIPT_POSTUP:
+                       return "scriptlets/postup";
+
+               case PAKFIRE_SCRIPT_POSTTRANSIN:
+                       return "scriptlets/posttransin";
+
+               case PAKFIRE_SCRIPT_POSTTRANSUN:
+                       return "scriptlets/posttransun";
+
+               case PAKFIRE_SCRIPT_POSTTRANSUP:
+                       return "scriptlets/posttransup";
+       }
+
+       return NULL;
+}
+
 PAKFIRE_EXPORT PakfireStep pakfire_step_create(PakfireTransaction transaction, Id id) {
        Pakfire pakfire = pakfire_transaction_get_pakfire(transaction);
        Transaction* t = pakfire_transaction_get_transaction(transaction);
@@ -251,7 +293,27 @@ static int pakfire_step_verify(PakfireStep step) {
 }
 
 static int pakfire_step_run_script(PakfireStep step, pakfire_script_type script) {
-       return 0; // XXX
+       const char* script_filename = pakfire_step_script_filename(script);
+
+       DEBUG(step->pakfire, "Looking for script %s\n", script_filename);
+
+       void* data;
+       size_t size;
+
+       // Read script from archive
+       int r = pakfire_archive_read(step->archive, script_filename, &data, &size, 0);
+       if (r == 1) {
+               DEBUG(step->pakfire, "Could not find script %s\n", script_filename);
+               return 0;
+       }
+
+       // Found a script!
+       DEBUG(step->pakfire, "Found script %s (%zu):\n%.*s",
+               script_filename, size, (int)size, (const char*)data);
+
+       // XXX need to run it
+
+       return 0;
 }
 
 static int pakfire_step_extract(PakfireStep step) {