New --ccache option to cache buid artifacts

Quite necessary for upcoming rebuilds of the kernel package.

Signed-off-by: Yann Dirson <[email protected]>

Author: ydirson

Dockerfile-9.x

@@ -19,6 +19,7 @@ RUN     dnf update -y
 RUN     dnf install -y \
             gcc \
             gcc-c++ \
+            ccache \
             git \
             make \
             rpm-build \

run.py

@@ -49,6 +49,8 @@ def main():
                              "Any preexisting BUILD, BUILDROOT, RPMS or SRPMS directories will be removed first. "
                              "If --output-dir is set, the RPMS and SRPMS directories will be copied to it "
                              "after the build.")
+    parser.add_argument('--ccache', action='store',
+                        help="Use given directory as a cache for ccache, mounted in the container")
     parser.add_argument('--define',
                         help="Definitions to be passed to rpmbuild (if --build-local is "
                              "passed too). Example: --define 'xcp_ng_section extras', for building the 'extras' "
@@ -111,6 +113,12 @@ def main():
         docker_args += ["-v", "%s:/home/builder/rpmbuild" %
                         os.path.abspath(args.build_local)]
         docker_args += ["-e", "BUILD_LOCAL=1"]
+    if args.ccache:
+        docker_args += ["-v", f"{args.ccache}:/home/builder/ccachedir",
+                        "-e", "CCACHE_DIR=/home/builder/ccachedir",
+                        # FIXME
+                        "-e", "PATH=/usr/lib64/ccache:/home/builder/.local/bin:/home/builder/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
+                        ]
     if args.define:
         docker_args += ["-e", "RPMBUILD_DEFINE=%s" % args.define]
     if args.rpmbuild_opts: