Make it possible to run a custom script during install.

build.py

@@ -43,6 +43,7 @@ class Build:
         self.pot = []
         self.subprojects = {}
         self.pkgconfig_gens = []
+        self.install_script = None
 
     def has_language(self, language):
         for i in self.compilers:

interpreter.py

@@ -565,8 +565,21 @@ class MesonMain(InterpreterObject):
                              'is_unity' : self.is_unity_method,
                              'current_source_dir' : self.current_source_dir_method,
                              'current_build_dir' : self.current_build_dir_method,
+                             'set_install_script' : self.set_install_script_method,
                              })
 
+    def set_install_script_method(self, args, kwargs):
+        if len(args) != 1:
+            raise InterpreterException('Set_install_script takes exactly one argument.')
+        scriptbase = args[0]
+        if not isinstance(scriptbase, str):
+            raise InterpreterException('Set_install_script argument is not a string.')
+        scriptfile = os.path.join(self.interpreter.environment.source_dir, 
+                                  self.interpreter.subdir, scriptbase)
+        if not os.path.isfile(scriptfile):
+            raise InterpreterException('Can not find install script %s.' % scriptbase)
+        self.build.install_script = scriptfile
+
     def current_source_dir_method(self, args, kwargs):
         src = self.interpreter.environment.source_dir
         sub = self.interpreter.subdir

meson_install.py

@@ -18,7 +18,9 @@ import sys, pickle, os, shutil, subprocess, gzip, platform
 from glob import glob
 
 class InstallData():
-    def __init__(self, prefix, depfixer, dep_prefix):
+    def __init__(self, source_dir, build_dir, prefix, depfixer, dep_prefix):
+        self.source_dir = source_dir
+        self.build_dir= build_dir
         self.prefix = prefix
         self.targets = []
         self.depfixer = depfixer
@@ -28,6 +30,7 @@ class InstallData():
         self.data = []
         self.po_package_name = ''
         self.po = []
+        self.install_script = None
 
 def do_install(datafilename):
     ifile = open(datafilename, 'rb')
@@ -44,6 +47,7 @@ def do_install(datafilename):
     install_man(d)
     install_data(d)
     install_po(d)
+    run_install_script(d)
 
 def install_po(d):
     packagename = d.po_package_name
@@ -94,6 +98,19 @@ def install_headers(d):
         shutil.copyfile(fullfilename, outfilename)
         shutil.copystat(fullfilename, outfilename)
 
+def run_install_script(d):
+    if d.install_script is None:
+        return
+    env = {'MESON_SOURCE_ROOT' : d.source_dir,
+           'MESON_BUILD_ROOT' : d.build_dir,
+           'MESON_INSTALL_PREFIX' : d.prefix
+           }
+    script = d.install_script
+    print('Running custom install script %s' % script)
+    child_env = os.environ.copy()
+    child_env.update(env)
+    subprocess.check_call(script, env=child_env)
+
 def is_elf_platform():
     platname = platform.system().lower()
     if platname == 'darwin' or platname == 'windows':
@@ -123,7 +140,6 @@ def check_for_stampfile(fname):
                 sys.exit(1)
             if len(files) == 1:
                 return files[0]
-        
     return fname
 
 def install_targets(d):

ninjabackend.py

@@ -218,7 +218,9 @@ class NinjaBackend(backends.Backend):
         install_script = os.path.join(script_root, 'meson_install.py')
         install_data_file = os.path.join(self.environment.get_scratch_dir(), 'install.dat')
         depfixer = os.path.join(script_root, 'depfixer.py')
-        d = InstallData(self.environment.get_prefix(), depfixer, './') # Fixme
+        d = InstallData(self.environment.get_source_dir(),
+                        self.environment.get_build_dir(),
+                        self.environment.get_prefix(), depfixer, './') # Fixme
         elem = NinjaBuildElement('install', 'CUSTOM_COMMAND', '')
         elem.add_dep('all')
         elem.add_item('DESC', 'Installing files.')
@@ -229,6 +231,7 @@ class NinjaBackend(backends.Backend):
         self.generate_data_install(d)
         self.generate_po_install(d, elem)
         self.generate_pkgconfig_install(d)
+        self.generate_custom_install_script(d)
         elem.write(outfile)
 
         ofile = open(install_data_file, 'wb')
@@ -273,6 +276,10 @@ class NinjaBackend(backends.Backend):
             i = [srcabs, dstabs]
             d.man.append(i)
 
+    def generate_custom_install_script(self, d):
+        d.install_script = self.build.install_script
+    
+
     def generate_header_install(self, d):
         incroot = self.environment.get_includedir()
         headers = self.build.get_headers()

test cases/common/60 install script/installed_files.txt

@@ -0,0 +1,2 @@
+bin/prog
+diiba/daaba/file.dat

test cases/common/60 install script/meson.build

@@ -0,0 +1,4 @@
+project('custom install script', 'c')
+
+meson.set_install_script('myinstall.sh')
+executable('prog', 'prog.c', install : true)

test cases/common/60 install script/myinstall.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+mkdir "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba"
+mkdir "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba/daaba"
+touch "${DESTDIR}/${MESON_INSTALL_PREFIX}/diiba/daaba/file.dat"

test cases/common/60 install script/prog.c

@@ -0,0 +1,6 @@
+#include<stdio.h>
+
+int main(int argc, char **argv) {
+    printf("This is text.\n");
+    return 0;
+}