From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 29 Dec 2024 18:29:34 +0000 (+0000)
Subject: stripper: Implement copying sources
X-Git-Tag: 0.9.30~661
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=038d93176141c96a24ea9339991b122d5e41e1ed;p=pakfire.git

stripper: Implement copying sources

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

diff --git a/src/libpakfire/stripper.c b/src/libpakfire/stripper.c
index bc46873bc..7e6ec1af4 100644
--- a/src/libpakfire/stripper.c
+++ b/src/libpakfire/stripper.c
@@ -20,6 +20,8 @@
 
 #include <errno.h>
 #include <stdlib.h>
+#include <sys/sendfile.h>
+#include <sys/stat.h>
 
 // libdw
 #include <elfutils/libdw.h>
@@ -29,6 +31,7 @@
 #include <pakfire/path.h>
 #include <pakfire/string.h>
 #include <pakfire/stripper.h>
+#include <pakfire/util.h>
 
 struct pakfire_stripper {
 	struct pakfire_ctx* ctx;
@@ -161,9 +164,93 @@ ERROR:
 
 static int pakfire_stripper_copy_source_file(
 		struct pakfire_stripper* stripper, const char* filename) {
-	printf("FILENAME = %s\n", filename);
+	struct stat st = {};
+	char path[PATH_MAX];
+	int r;
 
-	return 0;
+	FILE* src = NULL;
+	FILE* dst = NULL;
+
+	const char* buildroot = pakfire_relpath(stripper->pakfire, stripper->path);
+
+	// Remove the original source path
+	r = pakfire_path_relative(path, BUILD_SRC_DIR, filename);
+	if (r < 0)
+		goto ERROR;
+
+	// Add the debug directory source path
+	r = pakfire_path_append(path, DEBUG_SRC_DIR, path);
+	if (r < 0)
+		goto ERROR;
+
+	// Add the buildroot
+	r = pakfire_path_append(path, buildroot, path);
+	if (r < 0)
+		goto ERROR;
+
+	// Nothing to do if the file has already been copied
+	if (pakfire_path_exists(path))
+		return 0;
+
+	// Create all directories
+	r = pakfire_mkparentdir(path, 0755);
+	if (r < 0)
+		goto ERROR;
+
+	// Open the destination file
+	dst = fopen(path, "wx");
+	if (!dst) {
+		switch (errno) {
+			// If the file exist already, we are done
+			case EEXIST:
+				goto ERROR;
+
+			default:
+				ERROR(stripper->ctx, "Could not open %s: %m\n", path);
+				r = -errno;
+				goto ERROR;
+		}
+	}
+
+	// Open the source file
+	src = fopen(filename, "r");
+	if (!src) {
+		ERROR(stripper->ctx, "Could not open %s: %m\n", filename);
+		r = -errno;
+		goto ERROR;
+	}
+
+	// Stat the source file
+	r = fstat(fileno(src), &st);
+	if (r < 0) {
+		ERROR(stripper->ctx, "Could not stat %s: %m\n", filename);
+		r = -errno;
+		goto ERROR;
+	}
+
+	// Copy all content
+	ssize_t bytes_written = sendfile(fileno(dst), fileno(src), 0, st.st_size);
+	if (bytes_written < st.st_size) {
+		ERROR(stripper->ctx, "Failed to copy source file %s: %m\n", filename);
+		r = -errno;
+		goto ERROR;
+	}
+
+	// Change permissions
+	r = fchmod(fileno(dst), 0444);
+	if (r < 0) {
+		ERROR(stripper->ctx, "Could not change permissions of %s: %m\n", path);
+		r = -errno;
+		goto ERROR;
+	}
+
+ERROR:
+	if (dst)
+		fclose(dst);
+	if (src)
+		fclose(src);
+
+	return r;
 }
 
 /*