[oe-commits] [openembedded-core] 02/67: ptest.bbclass: Add feature to populate a binary directory

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit bca35319b89ce668927728c4e2094f6e10cef298
Author: Mariano Lopez <just.another.mariano at gmail.com>
AuthorDate: Tue Apr 9 00:44:13 2019 -0500

    ptest.bbclass: Add feature to populate a binary directory
    
    This adds the functionality to create a binary directory within
    PTEST_PATH directory. This directory will be populated with
    symlinks pointing to the binaries installed by the package and
    then renamed by update-alternatives. This way the ptest only needs
    to source this binary directory in order to use the expected
    binaries.
    
    To enable this feature just add PTEST_BINDIR = "1" to the recipe.
    
    [YOCTO #12597]
    [YOCTO #13238]
    
    Signed-off-by: Mariano Lopez <just.another.mariano at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/ptest.bbclass | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/meta/classes/ptest.bbclass b/meta/classes/ptest.bbclass
index 97865c9..e87a965 100644
--- a/meta/classes/ptest.bbclass
+++ b/meta/classes/ptest.bbclass
@@ -65,6 +65,38 @@ do_install_ptest_base() {
     done
 }
 
+PTEST_BINDIR_PKGD_PATH = "${PKGD}${PTEST_PATH}/bin"
+
+# This function needs to run after apply_update_alternative_renames because the
+# aforementioned function will update the ALTERNATIVE_LINK_NAME flag. Append is
+# used here to make this function to run as late as possible.
+PACKAGE_PREPROCESS_FUNCS_append = "${@bb.utils.contains('PTEST_BINDIR', '1', \
+                                    bb.utils.contains('PTEST_ENABLED', '1', ' ptest_update_alternatives', '', d), '', d)}"
+
+python ptest_update_alternatives() {
+    """
+    This function will generate the symlinks in the PTEST_BINDIR_PKGD_PATH
+    to match the renamed binaries by update-alternatives.
+    """
+
+    if not bb.data.inherits_class('update-alternatives', d) \
+           or not update_alternatives_enabled(d):
+        return
+
+    bb.note("Generating symlinks for ptest")
+    bin_paths = { os.environ["bindir"], os.environ["base_bindir"],
+                  os.environ["sbindir"], os.environ["base_sbindir"] }
+    ptest_bindir = d.getVar("PTEST_BINDIR_PKGD_PATH")
+    os.mkdir(ptest_bindir)
+    for pkg in (d.getVar('PACKAGES') or "").split():
+        alternatives = update_alternatives_alt_targets(d, pkg)
+        for alt_name, alt_link, alt_target, _ in alternatives:
+            # Some alternatives are for man pages,
+            # check if the alternative is in PATH
+            if os.path.dirname(alt_link) in bin_paths:
+                os.symlink(alt_target, os.path.join(ptest_bindir, alt_name))
+}
+
 do_configure_ptest_base[dirs] = "${B}"
 do_compile_ptest_base[dirs] = "${B}"
 do_install_ptest_base[dirs] = "${B}"

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