From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 8 Mar 2023 11:48:18 +0000 (+0000)
Subject: repo: Compress the SOLV database using Zstandard
X-Git-Tag: 0.9.29~352
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f37b04c5e5e46d538da909f0a3824b767cfd8b04;p=pakfire.git

repo: Compress the SOLV database using Zstandard

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

diff --git a/src/libpakfire/repo.c b/src/libpakfire/repo.c
index 92924e811..ee4a84c54 100644
--- a/src/libpakfire/repo.c
+++ b/src/libpakfire/repo.c
@@ -990,9 +990,12 @@ ERROR:
 }
 
 PAKFIRE_EXPORT int pakfire_repo_read_solv(struct pakfire_repo* repo, FILE *f, int flags) {
+	// Automatically detect compression
 	f = pakfire_xfopen(f, "r");
-	if (!f)
+	if (!f) {
+		errno = ENOTSUP;
 		return 1;
+	}
 
 	int ret = repo_add_solv(repo->repo, f, flags);
 	switch (ret) {
@@ -1339,6 +1342,13 @@ static int pakfire_repo_write_database(struct pakfire_repo* repo, const char* pa
 		return 1;
 	}
 
+	// Initialize the output being compressed
+	f = pakfire_zstdfopen(f, "w");
+	if (!f) {
+		ERROR(repo->pakfire, "Could not initialize compression: %m\n");
+		return 1;
+	}
+
 	// Write the SOLV database to the temporary file
 	r = pakfire_repo_write_solv(repo, f, 0);
 	if (r) {
@@ -1351,7 +1361,7 @@ static int pakfire_repo_write_database(struct pakfire_repo* repo, const char* pa
 	f = NULL;
 
 	// Create a filename for the database file
-	r = __pakfire_strftime_now(filename, length, "%Y-%m-%d-%H%M.%s.solv");
+	r = __pakfire_strftime_now(filename, length, "%Y-%m-%d-%H%M.%s.solv.zst");
 	if (r) {
 		ERROR(repo->pakfire, "Could not format database filename: %m\n");
 		goto ERROR;