Make sure building with relative paths work correctly.

Fixes: https://github.com/containers/podman/issues/12763

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

2 files changed, 27 insertions, 3 deletions

diff --git a/pkg/bindings/images/build.go b/pkg/bindings/images/build.go
index a363f2c6e..c508cb767 100644
--- a/pkg/bindings/images/build.go
+++ b/pkg/bindings/images/build.go
@@ -352,11 +352,13 @@ func Build(ctx context.Context, containerFiles []string, options entities.BuildO
 			}
 			c = tmpFile.Name()
 		}
+		c = filepath.Clean(c)
 		cfDir := filepath.Dir(c)
 		if absDir, err := filepath.EvalSymlinks(cfDir); err == nil {
 			name := filepath.ToSlash(strings.TrimPrefix(c, cfDir+string(filepath.Separator)))
 			c = filepath.Join(absDir, name)
 		}
+
 		containerfile, err := filepath.Abs(c)
 		if err != nil {
 			logrus.Errorf("Cannot find absolute path of %v: %v", c, err)
diff --git a/test/system/070-build.bats b/test/system/070-build.bats
index d5f7365e8..a95acd986 100644
--- a/test/system/070-build.bats
+++ b/test/system/070-build.bats
@@ -88,12 +88,10 @@ EOF
     containerfile=$PODMAN_TMPDIR/Containerfile
     cat >$containerfile <<EOF
 FROM $IMAGE
-RUN apk add nginx
 RUN echo $rand_content > /$rand_filename
 EOF
 
-    # The 'apk' command can take a long time to fetch files; bump timeout
-    PODMAN_TIMEOUT=240 run_podman build -t build_test -f - --format=docker $tmpdir < $containerfile
+    run_podman build -t build_test -f - --format=docker $tmpdir < $containerfile
     is "$output" ".*COMMIT" "COMMIT seen in log"
 
     run_podman run --rm build_test cat /$rand_filename
@@ -188,6 +186,30 @@ EOF
     run_podman rmi -f build_test $iid
 }
 
+@test "podman build test -f ./relative" {
+    rand_filename=$(random_string 20)
+    rand_content=$(random_string 50)
+
+    tmpdir=$PODMAN_TMPDIR/build-test
+    mkdir -p $tmpdir
+    mkdir -p $PODMAN_TMPDIR/reldir
+
+    containerfile=$PODMAN_TMPDIR/reldir/Containerfile
+    cat >$containerfile <<EOF
+FROM $IMAGE
+RUN echo $rand_content > /$rand_filename
+EOF
+
+    cd $PODMAN_TMPDIR
+    run_podman build -t build_test -f ./reldir/Containerfile --format=docker $tmpdir
+    is "$output" ".*COMMIT" "COMMIT seen in log"
+
+    run_podman run --rm build_test cat /$rand_filename
+    is "$output"   "$rand_content"   "reading generated file in image"
+
+    run_podman rmi -f build_test
+}
+
 @test "podman build - URLs" {
     tmpdir=$PODMAN_TMPDIR/build-test
     mkdir -p $tmpdir