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PUBLIC
CREATE PUBLIC .
PUBLIC SECTION.
INTERFACES zif_abapgit_gitv2_porcelain.
PROTECTED SECTION.
PRIVATE SECTION.
CONSTANTS:
BEGIN OF c_service,
receive TYPE string VALUE 'receive', "#EC NOTEXT
upload TYPE string VALUE 'upload', "#EC NOTEXT
END OF c_service .
CONSTANTS c_flush_pkt TYPE c LENGTH 4 VALUE '0000'.
CONSTANTS c_delim_pkt TYPE c LENGTH 4 VALUE '0001'.
CLASS-METHODS send_command
IMPORTING
iv_url TYPE string
iv_service TYPE string
iv_command TYPE string
it_arguments TYPE string_table OPTIONAL
RETURNING
VALUE(rv_response) TYPE xstring
RAISING
zcx_abapgit_exception.
CLASS-METHODS decode_pack
IMPORTING
iv_xstring TYPE xstring
RETURNING
VALUE(rt_objects) TYPE zif_abapgit_definitions=>ty_objects_tt
RAISING
zcx_abapgit_exception.
ENDCLASS.
CLASS ZCL_ABAPGIT_GITV2_PORCELAIN IMPLEMENTATION.
METHOD decode_pack.
DATA lv_xstring TYPE xstring.
DATA lv_contents TYPE xstring.
DATA lv_pack TYPE xstring.
DATA lv_pktlen TYPE i.
DATA lv_hex4 TYPE xstring.
lv_xstring = iv_xstring.
* The data transfer of the packfile is always multiplexed, using the same semantics of the
* side-band-64k capability from protocol version 1
WHILE xstrlen( lv_xstring ) > 0.
lv_hex4 = lv_xstring(4).
lv_pktlen = zcl_abapgit_git_utils=>length_utf8_hex( lv_hex4 ).
IF lv_pktlen = 0.
EXIT.
ELSEIF lv_pktlen = 1.
* its a delimiter package
lv_xstring = lv_xstring+4.
CONTINUE.
ENDIF.
lv_contents = lv_xstring(lv_pktlen).
IF lv_contents+4(1) = '01'.
CONCATENATE lv_pack lv_contents+5 INTO lv_pack IN BYTE MODE.
ENDIF.
lv_xstring = lv_xstring+lv_pktlen.
ENDWHILE.
rt_objects = zcl_abapgit_git_pack=>decode( lv_pack ).
ENDMETHOD.
METHOD send_command.
CONSTANTS lc_content_regex TYPE string VALUE '^[0-9a-f]{4}#'.
DATA lo_client TYPE REF TO zcl_abapgit_http_client.
DATA lv_cmd_pkt TYPE string.
DATA lt_headers TYPE zcl_abapgit_http=>ty_headers.
DATA ls_header LIKE LINE OF lt_headers.
DATA lv_argument TYPE string.
ls_header-key = 'Git-Protocol'.
ls_header-value = 'version=2'.
APPEND ls_header TO lt_headers.
lo_client = zcl_abapgit_http=>create_by_url(
iv_url = iv_url
iv_service = c_service-upload
it_headers = lt_headers ).
lo_client->check_smart_response(
iv_expected_content_type = |application/x-git-{ iv_service }-pack-advertisement|
iv_content_regex = lc_content_regex ).
lv_cmd_pkt = zcl_abapgit_git_utils=>pkt_string( |command={ iv_command }\n| )
&& zcl_abapgit_git_utils=>pkt_string( |agent={ zcl_abapgit_http=>get_agent( ) }\n| ).
IF lines( it_arguments ) > 0.
lv_cmd_pkt = lv_cmd_pkt && c_delim_pkt.
LOOP AT it_arguments INTO lv_argument.
lv_cmd_pkt = lv_cmd_pkt && zcl_abapgit_git_utils=>pkt_string( lv_argument ).
ENDLOOP.
ENDIF.
lv_cmd_pkt = lv_cmd_pkt && c_flush_pkt.
lo_client->set_header(
iv_key = '~request_uri'
iv_value = zcl_abapgit_url=>path_name( iv_url ) && |/git-{ iv_service }-pack| ).
lo_client->set_header(
iv_key = '~request_method'
iv_value = 'POST' ).
lo_client->set_header(
iv_key = 'Content-Type'
iv_value = |application/x-git-{ iv_service }-pack-request| ).
lo_client->set_header(
iv_key = 'Accept'
iv_value = |application/x-git-{ iv_service }-pack-result| ).
rv_response = lo_client->send_receive_close( zcl_abapgit_convert=>string_to_xstring_utf8( lv_cmd_pkt ) ).
ENDMETHOD.
METHOD zif_abapgit_gitv2_porcelain~commits_last_year.
DATA lv_xstring TYPE xstring.
DATA lt_arguments TYPE string_table.
DATA lv_argument TYPE string.
DATA lv_sha1 LIKE LINE OF it_sha1.
ASSERT lines( it_sha1 ) > 0.
lv_argument = |deepen-since { zcl_abapgit_git_time=>get_one_year_ago( ) }|.
APPEND lv_argument TO lt_arguments.
LOOP AT it_sha1 INTO lv_sha1.
lv_argument = |want { lv_sha1 }|.
APPEND lv_argument TO lt_arguments.
ENDLOOP.
* 'filter object:type=commit' doesn't work on github
APPEND 'filter blob:none' TO lt_arguments.
APPEND 'no-progress' TO lt_arguments.
APPEND 'done' TO lt_arguments.
lv_xstring = send_command(
iv_url = iv_url
iv_service = c_service-upload
iv_command = |fetch|
it_arguments = lt_arguments ).
rt_objects = decode_pack( lv_xstring ).
DELETE rt_objects WHERE type <> zif_abapgit_git_definitions=>c_type-commit.
ENDMETHOD.
METHOD zif_abapgit_gitv2_porcelain~list_branches.
DATA lv_xstring TYPE xstring.
DATA lt_arguments TYPE string_table.
DATA lv_argument TYPE string.
DATA lv_data TYPE string.
IF iv_prefix IS NOT INITIAL.
lv_argument = |ref-prefix { iv_prefix }|.
APPEND lv_argument TO lt_arguments.
ENDIF.
lv_xstring = send_command(
iv_url = iv_url
iv_service = c_service-upload
iv_command = |ls-refs|
it_arguments = lt_arguments ).
" add dummy packet so the v1 branch parsing can be reused
lv_data = |0004\n{ zcl_abapgit_convert=>xstring_to_string_utf8( lv_xstring ) }|.
CREATE OBJECT ro_list
EXPORTING
iv_data = lv_data.
ENDMETHOD.
METHOD zif_abapgit_gitv2_porcelain~list_no_blobs.
DATA lt_sha1 TYPE zif_abapgit_git_definitions=>ty_sha1_tt.
DATA lt_objects TYPE zif_abapgit_definitions=>ty_objects_tt.
ASSERT iv_sha1 IS NOT INITIAL.
APPEND iv_sha1 TO lt_sha1.
lt_objects = zif_abapgit_gitv2_porcelain~list_no_blobs_multi(
iv_url = iv_url
it_sha1 = lt_sha1 ).
rt_expanded = zcl_abapgit_git_porcelain=>full_tree(
it_objects = lt_objects
iv_parent = iv_sha1 ).
ENDMETHOD.
METHOD zif_abapgit_gitv2_porcelain~list_no_blobs_multi.
DATA lv_xstring TYPE xstring.
DATA lt_arguments TYPE string_table.
DATA lv_argument TYPE string.
DATA lv_sha1 LIKE LINE OF it_sha1.
ASSERT lines( it_sha1 ) > 0.
APPEND 'deepen 1' TO lt_arguments.
LOOP AT it_sha1 INTO lv_sha1.
lv_argument = |want { lv_sha1 }|.
APPEND lv_argument TO lt_arguments.
ENDLOOP.
APPEND 'filter blob:none' TO lt_arguments.
APPEND 'no-progress' TO lt_arguments.
APPEND 'done' TO lt_arguments.
lv_xstring = send_command(
iv_url = iv_url
iv_service = c_service-upload
iv_command = |fetch|
it_arguments = lt_arguments ).
rt_objects = decode_pack( lv_xstring ).
ENDMETHOD.
ENDCLASS.
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