Improve ptxdist project visibility by adding it to repology.
https://repology.org/

This also allows components like rauc to showcase supported
distributions and current packaged version.

It also gives ptxdist users and maintainers an overview of packages
with known CVEs that should be priotized for version bumpes.

Generate JSON output about almost all packages in ptxdist for repology.
Below is an output example for alsa-lib:

{
    "name": "alsa-lib",
    "version": "1.2.13",
    "upstream_urls": 
"https://www.alsa-project.org/files/pub/lib/alsa-lib-1.2.13.tar.bz2";,
    "license": "LGPL-2.1-or-later"
},

Add PTXdist support #1487:
https://github.com/repology/repology-updater/issues/1487

This have been running for the past few months here:
https://github.com/baxeno/ptxdist-repology/blob/main/repology.json

Using the following command with DistroKit:
$ ptxdist repology | grep -v "make: Nothing to be done for" > repology.json

Signed-off-by: Bruno Thomsen <[email protected]>
Co-developed-by: Ladislav Michl <[email protected]>
---
v1-v2:
- Keep Makefile implementation as Python implementation did not work
- Filter out packages with empty URL
- Filter out packages with empty or undefined version
- Reduced number of hard-coded ignored packages from 33 to 2
- View parsed output: https://repology.org/repository/ptxdist

PATCH v1:
https://lore.ptxdist.org/ptxdist/[email protected]/

PATCH RFC:
https://lore.ptxdist.org/ptxdist/[email protected]/

 bin/ptxdist                        |  6 ++++
 rules/post/ptxd_make_repology.make | 49 ++++++++++++++++++++++++++++++
 scripts/bash_completion            |  2 +-
 3 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 rules/post/ptxd_make_repology.make

diff --git a/bin/ptxdist b/bin/ptxdist
index 0e7af6142..868eb17b3 100755
--- a/bin/ptxdist
+++ b/bin/ptxdist
@@ -799,6 +799,7 @@ Misc:
                                variable and print the contents of this variable
   licensecheck                 check md5sums of license files for all packages
   lint                         run some basic checks for the bsp and PTXdist
+  repology                     generate repology JSON for PTXdist
   list-packages                        print a list of all selected packages
   local-src <pkg> [<directory>]        overwrite a package source with a 
locally provided
                                directory containing the sourcecode.
@@ -1925,6 +1926,11 @@ EOF
                                ptxd_bailout "lint checks failed"
                        fi
                        ;;
+               repology)
+                       check_premake_compiler &&
+                       ptxd_make_log ptxdist-repology
+                       exit
+                       ;;
                list-packages)
                        check_config &&
                        check_deps &&
diff --git a/rules/post/ptxd_make_repology.make 
b/rules/post/ptxd_make_repology.make
new file mode 100644
index 000000000..50c913738
--- /dev/null
+++ b/rules/post/ptxd_make_repology.make
@@ -0,0 +1,49 @@
+# -*-makefile-*-
+#
+# Copyright (C) 2025 by Bruno Thomsen <[email protected]>
+#               2025 by Ladislav Michl <[email protected]>
+#
+# For further information about the PTXdist project and license conditions
+# see the README file.
+#
+
+PTX_PACKAGES_IGNORE    := \
+       cross-llvm \
+       nodejs_packages
+
+PHONY += ptxdist-repology
+
+ptx_packages_reported:=$(sort $(filter-out host-system-%,$(filter-out 
host-%,$(filter-out image-%,$(PTX_PACKAGES_ALL)))))
+ptx_packages_reported:=$(filter-out 
$(PTX_PACKAGES_IGNORE),$(ptx_packages_reported))
+ptx_package_last:=$(lastword $(ptx_packages_reported))
+ptx_packages_reported:=$(filter-out 
$(ptx_package_last),$(ptx_packages_reported))
+
+ptx/repology-print = \
+       $(info $(space)   "name": "$(1)"$(comma)) \
+       $(info $(space)   "version": 
"$($(PTX_MAP_TO_PACKAGE_$(1))_VERSION)"$(comma)) \
+       $(info $(space)   "upstream_urls": 
"$($(PTX_MAP_TO_PACKAGE_$(1))_URL)"$(comma)) \
+       $(info $(space)   "license": "$($(PTX_MAP_TO_PACKAGE_$(1))_LICENSE)")
+
+ptx/repology-item = \
+       $(info $(space) {) \
+       $(call ptx/repology-print,$(1)) \
+       $(info $(space) }$(comma))
+
+ptx/repology-lastitem = \
+       $(info $(space) {) \
+       $(call ptx/repology-print,$(1)) \
+       $(info $(space) })
+
+ptx/repology = \
+       $(info [) \
+       $(foreach pkg,$(ptx_packages_reported), \
+               $(if $(subst 
undefined,,$($(PTX_MAP_TO_PACKAGE_$(pkg))_VERSION)), \
+                       $(if $($(PTX_MAP_TO_PACKAGE_$(pkg))_URL), \
+                               $(call ptx/repology-item,$(pkg))$(ptx/nl),),)) \
+       $(call ptx/repology-lastitem,$(ptx_package_last)) \
+       $(info ])
+
+ptxdist-repology:
+       @$(call ptx/repology)
+
+# vim: syntax=make
diff --git a/scripts/bash_completion b/scripts/bash_completion
index 4bff2d4b6..2bb21a848 100644
--- a/scripts/bash_completion
+++ b/scripts/bash_completion
@@ -123,7 +123,7 @@ _ptxdist_completion()
        clean)
                COMPREPLY=( $( compgen -W root -- $cur ) )
                ;&
-       
get|extract|prepare|compile|install|targetinstall|tags|urlcheck|licensecheck|package-info|cargosync)
+       
get|extract|prepare|compile|install|targetinstall|tags|urlcheck|licensecheck|repology|package-info|cargosync)
                COMPREPLY+=( $( compgen -W "$(__ptxdist_completion_packages)" 
-- $cur ) )
                ;;
        drop)

base-commit: de3afe806e398349482e92e812f6f69467070ec4
-- 
2.49.0


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