From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 11 Jun 2019 03:45:12 +0000 (+0100)
Subject: libpakfire: archive: Implement extracting hardlinks
X-Git-Tag: 0.9.28~1285^2~934
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c9b2d34c1d537d0feedfb4ab391a2aa8570377b;p=pakfire.git

libpakfire: archive: Implement extracting hardlinks

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

diff --git a/src/libpakfire/archive.c b/src/libpakfire/archive.c
index bc6783bce..d1eef79dd 100644
--- a/src/libpakfire/archive.c
+++ b/src/libpakfire/archive.c
@@ -616,6 +616,17 @@ static int archive_extract(Pakfire pakfire, struct archive* a, const char* prefi
 		DEBUG(pakfire, "Extracting %s (%zu bytes)\n", pathname, size);
 		pakfire_free(pathname);
 
+		// Update hardlink targets
+		const char* hardlink = archive_entry_hardlink(entry);
+		if (hardlink) {
+			// Make new hardlink target relative to prefix
+			char* h = pakfire_path_join(prefix, hardlink);
+
+			// Update the entry
+			archive_entry_set_hardlink(entry, h);
+			pakfire_free(h);
+		}
+
 		// Create file
 		r = archive_write_header(ext, entry);
 		if (r != ARCHIVE_OK) {