ptxd_lib_git.sh

ptxd_lib_git_bsp_ver()
{
        local git_ver
        local sed_ver
        local dbg_sfx=''

        git_ver="$(git -C "${PTXDIST_WORKSPACE}" describe --tags --dirty='+' --always)" ||
                ptxd_bailout 'git describe failed!'

        # for correct version sort replace the dash before an RC suffix
        # with a tilde.
        # format of `git describe` is thankfully quite strict and more
        # or less easy to match, so just some examples:
        #
        # v2023.06.3                 -> v2023.06.3               (*not* changed)
        # v2023.06.3+                -> v2023.06.3+              (*not* changed)
        # v2023.06.3-18-g6923926     -> v2023.06.3-18-g6923926   (*not* changed)
        # v2023.06.3-18-g6923926+    -> v2023.06.3-18-g6923926+  (*not* changed)
        # v2023.06.6-RC2             -> v2023.06.6~RC2
        # v2023.06.6-RC2-3-g49c5fd0  -> v2023.06.6~RC2-3-g49c5fd0
        # v2023.06.6-RC2-3-g49c5fd0+ -> v2023.06.6~RC2-3-g49c5fd0+
        #
        # note: everything before the first matched '-' is printed by
        #       sed as is, no need to match that separately
        # shellcheck disable=SC2001
        sed_ver="$(echo "${git_ver}" |
                sed -e 's/-\([rR][cC][[:digit:]]\+\)\(-[[:digit:]]\+-g[[:xdigit:]]\+\)\?\(+\)\?$/~\1\2\3/')" ||
                #         |\_______________________/\__________________________________/\_____/| |\____/
                #         |   |                                                     |      |   | |  |
                #         |   `-- the trailing e.g. 'RC1' of our tag                |      |   | |  `-- match groups 1 to 3
                #         `-- the '-' dash we to replace                            |      |   | `-- the '~' we want instead
                #     git describe's number of commits and abbrev hash (optional) --'      |   `-- match EOL
                #                                                                          `-- '+' from --dirty='+' (optional)
                ptxd_bailout 'replacing -RCx with ~RCx failed!'

        if ptxd_get_ptxconf PTXCONF_TTBUILD_DEBUG_SUPPORT > /dev/null
        then
                dbg_sfx='-Debug'
        fi

        echo "${sed_ver}${dbg_sfx}"
}
export -f ptxd_lib_git_bsp_ver