install_colorschemes: Rework script

Changes:
- Make it work under Windows
- Extract only interesting paths (optimization)
- Pass the install dir, not prefix (thus /usr/share instead of /usr)

appimage/kdevelop-recipe-centos6.sh

@@ -222,7 +222,7 @@ build_project kdev-clang-tidy $KDEV_CLANG_TIDY_VERSION
 
 # Install some colorschemes
 cd $BUILD
-$SCRIPT_DIR/../release-scripts/install_colorschemes.py /kdevelop.appdir/usr
+$SCRIPT_DIR/../release-scripts/install_colorschemes.py /kdevelop.appdir/usr/share
 
 cd /kdevelop.appdir
 

release-scripts/install_colorschemes.py

 #!/usr/bin/env python3
 #
 # Downloads color schemes from download.kde.org and installs them into the desired prefix
-# Usage: install_colorschemes.py [INSTALL_PREFIX]
+# Usage: install_colorschemes.py [INSTALL_DIR]
 
 import distutils.dir_util
 import os
@@ -10,11 +10,11 @@ import sys
 import tarfile
 import urllib.request
 
-installPrefix = sys.argv[1] if len(sys.argv) > 1 else None
+installDir = sys.argv[1] if len(sys.argv) > 1 else None
 ver = "5.13.4" # Plasma version
-colorSchemesDir = "share/color-schemes"
+colorSchemesDir = "color-schemes"
 
-def downloadAndExtract(url):
+def downloadAndExtract(url, extractPath):
     fname = os.path.basename(url)
     if not os.path.exists(fname):
         print("Downloading {0}".format(url))
@@ -24,18 +24,20 @@ def downloadAndExtract(url):
 
     print("Unpacking {0}".format(fname))
     dirname = fname.replace(".tar.xz", "")
-    shutil.rmtree(dirname)
+    shutil.rmtree(dirname, ignore_errors=True)
     with tarfile.open(fname) as tar:
-        tar.extractall()
+        for tarinfo in tar.getmembers():
+            if tarinfo.name.startswith(extractPath):
+                tarinfo.name = os.path.basename(tarinfo.name) # remove the path by reset it
+                tar.extract(member=tarinfo, path=colorSchemesDir)
 
-downloadAndExtract('https://download.kde.org/stable/plasma/{0}/breeze-{0}.tar.xz'.format(ver))
-downloadAndExtract('https://download.kde.org/stable/plasma/{0}/plasma-desktop-{0}.tar.xz'.format(ver))
-
-distutils.dir_util.copy_tree(os.path.join("breeze-{0}".format(ver), "colors"), colorSchemesDir)
-distutils.dir_util.copy_tree(os.path.join("plasma-desktop-{0}".format(ver), "kcms/colors/schemes"), colorSchemesDir)
+downloadAndExtract('https://download.kde.org/stable/plasma/{0}/breeze-{0}.tar.xz'.format(ver),
+                   "breeze-{0}/colors/".format(ver))
+downloadAndExtract('https://download.kde.org/stable/plasma/{0}/plasma-desktop-{0}.tar.xz'.format(ver),
+                   "plasma-desktop-{0}/kcms/colors/schemes/".format(ver))
 
 print("Available color schemes: {0}".format(", ".join(os.listdir(colorSchemesDir))))
 
-if installPrefix:
-    print("Installing to: {0}".format(installPrefix))
-    distutils.dir_util.copy_tree(colorSchemesDir, os.path.join(installPrefix, colorSchemesDir))
+if installDir:
+    print("Installing to: {0}".format(installDir))
+    distutils.dir_util.copy_tree(colorSchemesDir, os.path.join(installDir, colorSchemesDir))