gnu: kio: Search 'smbd' on $PATH.

Transfer the remaining NixOS patch for kio as of 2018-02-17.

* gnu/packages/patches/kio-search-smbd-on-PATH.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/kde-frameworks.scm(kio)<source>: Use it.

1 files changed, 30 insertions, 0 deletions

diff --git a/gnu/packages/patches/kio-search-smbd-on-PATH.patch b/gnu/packages/patches/kio-search-smbd-on-PATH.patch
new file mode 100644
index 0000000000..47e20cfc0b
--- /dev/null
+++ b/gnu/packages/patches/kio-search-smbd-on-PATH.patch
@@ -0,0 +1,30 @@
+Adopted from NixOS
+pkgs/development/libraries/kde-frameworks/kio/samba-search-path.patch
+
+===================================================================
+--- kio-5.17.0.orig/src/core/ksambashare.cpp
++++ kio-5.17.0/src/core/ksambashare.cpp
+@@ -67,13 +67,18 @@ KSambaSharePrivate::~KSambaSharePrivate(
+ 
+ bool KSambaSharePrivate::isSambaInstalled()
+ {
+-    if (QFile::exists(QStringLiteral("/usr/sbin/smbd"))
+-            || QFile::exists(QStringLiteral("/usr/local/sbin/smbd"))) {
+-        return true;
++    const QByteArray pathEnv = qgetenv("PATH");
++    if (!pathEnv.isEmpty()) {
++        QLatin1Char pathSep(':');
++        QStringList paths = QFile::decodeName(pathEnv).split(pathSep, QString::SkipEmptyParts);
++        for (QStringList::iterator it = paths.begin(); it != paths.end(); ++it) {
++            it->append("/smbd");
++            if (QFile::exists(*it)) {
++                return true;
++            }
++        }
+     }
+ 
+-    //qDebug() << "Samba is not installed!";
+-
+     return false;
+ }
+