build: Check very early whether we can install the source package

It might still fail, but at least we tried to solve this here before
extracting the build environment and so on.

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

diff --git a/src/libpakfire/build.c b/src/libpakfire/build.c
index aeb7ede74b8fd341b2355bad34c65b686cd4391a..8c46e1714d44d8cd6d3eaafe7eab191c6806a073 100644 (file)
--- a/src/libpakfire/build.c
+++ b/src/libpakfire/build.c
@@ -2090,6 +2090,7 @@ PAKFIRE_EXPORT int pakfire_build_exec(struct pakfire_build* build, const char* p
        struct pakfire_package* package = NULL;
        struct pakfire_parser* makefile = NULL;
        char* buildroot = NULL;
+       char* problems = NULL;
        char duration[TIME_STRING_MAX];
        int r;
 
@@ -2118,6 +2119,13 @@ PAKFIRE_EXPORT int pakfire_build_exec(struct pakfire_build* build, const char* p
                goto ERROR;
        }
 
+       // Perform an install check to see whether we can build this at all
+       r = pakfire_package_installcheck(package, &problems, 0);
+       if (r) {
+               ERROR(build->pakfire, "Cannot build %s:\n%s\n", nevra, problems);
+               goto ERROR;
+       }
+
        // Initialize the build environment
        r = pakfire_build_init(build);
        if (r)
@@ -2183,6 +2191,8 @@ ERROR:
                pakfire_parser_unref(makefile);
        if (package)
                pakfire_package_unref(package);
+       if (problems)
+               free(problems);
 
        // Cleanup buildroot
        if (buildroot)