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abapGit/src/zcl_abapgit_branch_overview.clas.abap
mariusraht2 a8df9c286f
upload_pack_by_branch: Replace deepen with deepen_level (#3835) 
* Create pull.yml

* Update zcl_abapgit_git_transport.clas.abap

* Update zcl_abapgit_git_transport.clas.abap

* Update pull.yml

* Update pull.yml

* Update zcl_abapgit_git_transport.clas.abap

* Delete pull.yml

* Update zcl_abapgit_git_transport.clas.abap

* Replaced deepen boolean with deepen_level

* Replaced numc2 by n length 2

* Removed restriction of deepen_level

* N alone is of length 1 and not numeric

Co-authored-by: mariusraht1 <mariusraht+1@gmail.com>
Co-authored-by: pull[bot] <39814207+pull[bot]@users.noreply.github.com>
Co-authored-by: Lars Hvam <larshp@hotmail.com>
2020-09-09 09:50:00 +02:00

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CLASS zcl_abapgit_branch_overview DEFINITION
PUBLIC
FINAL
CREATE PRIVATE
GLOBAL FRIENDS zcl_abapgit_factory .
PUBLIC SECTION.
INTERFACES zif_abapgit_branch_overview .
CONSTANTS c_deleted_branch_name_prefix TYPE string VALUE '__DELETED_BRANCH_' ##NO_TEXT.
METHODS constructor
IMPORTING
io_repo TYPE REF TO zcl_abapgit_repo_online
RAISING
zcx_abapgit_exception .
PROTECTED SECTION.
PRIVATE SECTION.
TYPES:
tyt_commit_sha1_range TYPE RANGE OF zif_abapgit_definitions=>ty_sha1 .
DATA mt_branches TYPE zif_abapgit_definitions=>ty_git_branch_list_tt .
DATA mt_commits TYPE zif_abapgit_definitions=>ty_commit_tt .
DATA mt_tags TYPE zif_abapgit_definitions=>ty_git_tag_list_tt .
METHODS compress_internal
IMPORTING
!iv_name TYPE string
CHANGING
!ct_temp TYPE zif_abapgit_definitions=>ty_commit_tt
!ct_commits TYPE zif_abapgit_definitions=>ty_commit_tt .
CLASS-METHODS parse_commits
IMPORTING
!it_objects TYPE zif_abapgit_definitions=>ty_objects_tt
RETURNING
VALUE(rt_commits) TYPE zif_abapgit_definitions=>ty_commit_tt
RAISING
zcx_abapgit_exception .
METHODS parse_annotated_tags
IMPORTING
!it_objects TYPE zif_abapgit_definitions=>ty_objects_tt
RAISING
zcx_abapgit_exception .
METHODS determine_branch
RAISING
zcx_abapgit_exception .
METHODS determine_merges
RAISING
zcx_abapgit_exception .
METHODS fixes
RAISING
zcx_abapgit_exception .
METHODS get_git_objects
IMPORTING
!io_repo TYPE REF TO zcl_abapgit_repo_online
RETURNING
VALUE(rt_objects) TYPE zif_abapgit_definitions=>ty_objects_tt
RAISING
zcx_abapgit_exception .
METHODS determine_tags
RAISING
zcx_abapgit_exception .
METHODS _sort_commits
CHANGING
!ct_commits TYPE zif_abapgit_definitions=>ty_commit_tt .
METHODS _get_1st_child_commit
IMPORTING
!it_commit_sha1s TYPE tyt_commit_sha1_range
EXPORTING
!et_commit_sha1s TYPE tyt_commit_sha1_range
!es_1st_commit TYPE zif_abapgit_definitions=>ty_commit
CHANGING
!ct_commits TYPE zif_abapgit_definitions=>ty_commit_tt .
METHODS _reverse_sort_order
CHANGING
!ct_commits TYPE zif_abapgit_definitions=>ty_commit_tt .
ENDCLASS.
CLASS ZCL_ABAPGIT_BRANCH_OVERVIEW IMPLEMENTATION.
METHOD compress_internal.
FIELD-SYMBOLS: <ls_temp> LIKE LINE OF ct_temp,
<ls_new> LIKE LINE OF ct_commits,
<ls_temp_end> LIKE LINE OF ct_temp.
IF lines( ct_temp ) >= 10.
READ TABLE ct_temp ASSIGNING <ls_temp> INDEX 1.
ASSERT sy-subrc = 0.
READ TABLE ct_temp ASSIGNING <ls_temp_end> INDEX lines( ct_temp ).
ASSERT sy-subrc = 0.
APPEND INITIAL LINE TO ct_commits ASSIGNING <ls_new>.
<ls_new>-sha1 = <ls_temp_end>-sha1.
<ls_new>-parent1 = <ls_temp>-parent1.
<ls_new>-time = <ls_temp>-time.
<ls_new>-message = |Compressed, { lines( ct_temp ) } commits|.
<ls_new>-branch = iv_name.
<ls_new>-compressed = abap_true.
ELSE.
APPEND LINES OF ct_temp TO ct_commits.
ENDIF.
CLEAR ct_temp.
ENDMETHOD.
METHOD constructor.
DATA: lt_objects TYPE zif_abapgit_definitions=>ty_objects_tt.
lt_objects = get_git_objects( io_repo ).
mt_commits = parse_commits( lt_objects ).
_sort_commits( CHANGING ct_commits = mt_commits ).
parse_annotated_tags( lt_objects ).
CLEAR lt_objects.
determine_branch( ).
determine_merges( ).
determine_tags( ).
fixes( ).
ENDMETHOD.
METHOD determine_branch.
CONSTANTS: lc_head TYPE string VALUE 'HEAD'.
TYPES: BEGIN OF ty_branch_with_time,
time TYPE string,
name TYPE string,
sha1 TYPE zif_abapgit_definitions=>ty_sha1,
END OF ty_branch_with_time.
DATA: lt_branches_sorted_by_time TYPE SORTED TABLE OF ty_branch_with_time WITH NON-UNIQUE KEY time,
ls_branches_with_time TYPE ty_branch_with_time.
FIELD-SYMBOLS: <ls_branch> LIKE LINE OF mt_branches,
<ls_branch_sorted_by_time> LIKE LINE OF lt_branches_sorted_by_time,
<ls_head> LIKE LINE OF mt_branches,
<ls_commit> LIKE LINE OF mt_commits,
<ls_create> LIKE LINE OF <ls_commit>-create.
* Exchange HEAD, and make sure the branch determination starts with the HEAD branch
READ TABLE mt_branches ASSIGNING <ls_head> WITH KEY name = lc_head.
ASSERT sy-subrc = 0.
LOOP AT mt_branches ASSIGNING <ls_branch>
WHERE sha1 = <ls_head>-sha1 AND name <> lc_head.
<ls_head>-name = <ls_branch>-name.
DELETE mt_branches INDEX sy-tabix.
EXIT.
ENDLOOP.
* Sort Branches by Commit Time
LOOP AT mt_branches ASSIGNING <ls_branch>.
READ TABLE mt_commits ASSIGNING <ls_commit> WITH KEY sha1 = <ls_branch>-sha1.
IF sy-subrc = 0.
ls_branches_with_time-name = <ls_branch>-name+11.
ls_branches_with_time-sha1 = <ls_branch>-sha1.
IF <ls_branch>-is_head = abap_true.
ls_branches_with_time-time = '0000000000'. "Force HEAD to be the first one
ELSE.
ls_branches_with_time-time = <ls_commit>-time.
ENDIF.
INSERT ls_branches_with_time INTO TABLE lt_branches_sorted_by_time.
CLEAR ls_branches_with_time.
ENDIF.
ENDLOOP.
LOOP AT lt_branches_sorted_by_time ASSIGNING <ls_branch_sorted_by_time>.
READ TABLE mt_commits ASSIGNING <ls_commit> WITH KEY sha1 = <ls_branch_sorted_by_time>-sha1.
ASSERT sy-subrc = 0.
DO.
IF <ls_commit>-branch IS INITIAL.
<ls_commit>-branch = <ls_branch_sorted_by_time>-name.
ELSE.
APPEND INITIAL LINE TO <ls_commit>-create ASSIGNING <ls_create>.
<ls_create>-name = <ls_branch_sorted_by_time>-name.
<ls_create>-parent = <ls_commit>-branch.
EXIT.
ENDIF.
IF <ls_commit>-parent1 IS INITIAL.
EXIT.
ELSE.
READ TABLE mt_commits ASSIGNING <ls_commit>
WITH KEY sha1 = <ls_commit>-parent1.
ASSERT sy-subrc = 0.
ENDIF.
ENDDO.
ENDLOOP.
ENDMETHOD.
METHOD determine_merges.
DATA: BEGIN OF ls_deleted_branch_info,
created TYPE abap_bool,
index TYPE string,
name TYPE string,
END OF ls_deleted_branch_info.
FIELD-SYMBOLS: <ls_merged_branch_commit> TYPE zif_abapgit_definitions=>ty_commit,
<ls_merged_branch_parent> TYPE zif_abapgit_definitions=>ty_commit,
<ls_commit> TYPE zif_abapgit_definitions=>ty_commit,
<ls_create> TYPE zif_abapgit_definitions=>ty_create.
* we need latest first here: latest -> initial
_reverse_sort_order( CHANGING ct_commits = mt_commits ).
LOOP AT mt_commits ASSIGNING <ls_commit> WHERE NOT parent2 IS INITIAL.
ASSERT NOT <ls_commit>-branch IS INITIAL.
READ TABLE mt_commits ASSIGNING <ls_merged_branch_commit> WITH KEY sha1 = <ls_commit>-parent2.
IF sy-subrc = 0.
<ls_commit>-merge = <ls_merged_branch_commit>-branch.
* orphaned, branch has been deleted after merge
ls_deleted_branch_info-created = abap_false.
WHILE <ls_merged_branch_commit>-branch IS INITIAL.
IF ls_deleted_branch_info-created = abap_false.
ls_deleted_branch_info-created = abap_true.
ls_deleted_branch_info-index = ls_deleted_branch_info-index + 1.
ls_deleted_branch_info-name = c_deleted_branch_name_prefix && ls_deleted_branch_info-index && '__'.
CONDENSE ls_deleted_branch_info-name NO-GAPS.
<ls_commit>-merge = ls_deleted_branch_info-name.
ENDIF.
<ls_merged_branch_commit>-branch = ls_deleted_branch_info-name.
READ TABLE mt_commits ASSIGNING <ls_merged_branch_parent>
WITH KEY sha1 = <ls_merged_branch_commit>-parent1.
IF sy-subrc <> 0.
EXIT.
ELSE.
ASSIGN <ls_merged_branch_parent> TO <ls_merged_branch_commit>.
ENDIF.
ENDWHILE.
IF <ls_merged_branch_parent> IS ASSIGNED.
APPEND INITIAL LINE TO <ls_merged_branch_parent>-create ASSIGNING <ls_create>.
<ls_create>-name = ls_deleted_branch_info-name.
<ls_create>-parent = <ls_commit>-branch.
ENDIF.
ENDIF.
ENDLOOP.
" switch back to initial -> latest
_reverse_sort_order( CHANGING ct_commits = mt_commits ).
ENDMETHOD.
METHOD determine_tags.
DATA: lv_tag TYPE LINE OF zif_abapgit_definitions=>ty_commit-tags.
FIELD-SYMBOLS: <ls_tag> LIKE LINE OF mt_tags,
<ls_commit> LIKE LINE OF mt_commits.
LOOP AT mt_tags ASSIGNING <ls_tag>.
IF <ls_tag>-type = zif_abapgit_definitions=>c_git_branch_type-lightweight_tag.
READ TABLE mt_commits WITH KEY sha1 = <ls_tag>-sha1
ASSIGNING <ls_commit>. "#EC CI_SUBRC
ELSEIF <ls_tag>-type = zif_abapgit_definitions=>c_git_branch_type-annotated_tag.
READ TABLE mt_commits WITH KEY sha1 = <ls_tag>-object
ASSIGNING <ls_commit>.
ENDIF.
CHECK sy-subrc = 0.
lv_tag = zcl_abapgit_git_tag=>remove_tag_prefix( <ls_tag>-name ).
INSERT lv_tag INTO TABLE <ls_commit>-tags.
ENDLOOP.
ENDMETHOD.
METHOD fixes.
FIELD-SYMBOLS: <ls_commit> LIKE LINE OF mt_commits.
LOOP AT mt_commits ASSIGNING <ls_commit> WHERE NOT merge IS INITIAL.
* commits from old branches
IF <ls_commit>-branch = <ls_commit>-merge.
CLEAR <ls_commit>-merge.
ENDIF.
ENDLOOP.
ENDMETHOD.
METHOD get_git_objects.
DATA: lo_branch_list TYPE REF TO zcl_abapgit_git_branch_list,
li_progress TYPE REF TO zif_abapgit_progress,
lt_branches_and_tags TYPE zif_abapgit_definitions=>ty_git_branch_list_tt,
lt_tags TYPE zif_abapgit_definitions=>ty_git_branch_list_tt,
ls_tag LIKE LINE OF mt_tags.
FIELD-SYMBOLS: <ls_branch> LIKE LINE OF lt_tags.
li_progress = zcl_abapgit_progress=>get_instance( 1 ).
li_progress->show(
iv_current = 1
iv_text = |Get git objects { io_repo->get_name( ) }| ).
* get objects directly from git, mo_repo only contains a shallow clone of only
* the selected branch
"TODO refactor
lo_branch_list = zcl_abapgit_git_transport=>branches( io_repo->get_url( ) ).
mt_branches = lo_branch_list->get_branches_only( ).
INSERT LINES OF mt_branches INTO TABLE lt_branches_and_tags.
lt_tags = lo_branch_list->get_tags_only( ).
INSERT LINES OF lt_tags INTO TABLE lt_branches_and_tags.
LOOP AT lt_tags ASSIGNING <ls_branch>.
IF <ls_branch>-name CP '*^{}'.
CONTINUE.
ENDIF.
MOVE-CORRESPONDING <ls_branch> TO ls_tag.
INSERT ls_tag INTO TABLE mt_tags.
ENDLOOP.
zcl_abapgit_git_transport=>upload_pack_by_branch(
EXPORTING
iv_url = io_repo->get_url( )
iv_branch_name = io_repo->get_branch_name( )
iv_deepen_level = 0
it_branches = lt_branches_and_tags
IMPORTING
et_objects = rt_objects ).
DELETE rt_objects WHERE type = zif_abapgit_definitions=>c_type-blob.
ENDMETHOD.
METHOD parse_annotated_tags.
DATA: ls_raw TYPE zcl_abapgit_git_pack=>ty_tag.
FIELD-SYMBOLS: <ls_object> LIKE LINE OF it_objects,
<ls_tag> LIKE LINE OF mt_tags.
LOOP AT it_objects ASSIGNING <ls_object> USING KEY type
WHERE type = zif_abapgit_definitions=>c_type-tag.
ls_raw = zcl_abapgit_git_pack=>decode_tag( <ls_object>-data ).
READ TABLE mt_tags ASSIGNING <ls_tag>
WITH KEY sha1 = <ls_object>-sha1.
ASSERT sy-subrc = 0.
<ls_tag>-name = zif_abapgit_definitions=>c_git_branch-tags_prefix && ls_raw-tag.
<ls_tag>-sha1 = <ls_object>-sha1.
<ls_tag>-object = ls_raw-object.
<ls_tag>-type = zif_abapgit_definitions=>c_git_branch_type-annotated_tag.
<ls_tag>-display_name = ls_raw-tag.
<ls_tag>-tagger_name = ls_raw-tagger_name.
<ls_tag>-tagger_email = ls_raw-tagger_email.
<ls_tag>-message = ls_raw-message.
<ls_tag>-body = ls_raw-body.
ENDLOOP.
ENDMETHOD.
METHOD parse_commits.
DATA: ls_commit LIKE LINE OF mt_commits,
lt_body TYPE STANDARD TABLE OF string WITH DEFAULT KEY,
ls_raw TYPE zcl_abapgit_git_pack=>ty_commit.
FIELD-SYMBOLS: <ls_object> LIKE LINE OF it_objects,
<lv_body> TYPE string.
LOOP AT it_objects ASSIGNING <ls_object> USING KEY type
WHERE type = zif_abapgit_definitions=>c_type-commit.
ls_raw = zcl_abapgit_git_pack=>decode_commit( <ls_object>-data ).
CLEAR ls_commit.
ls_commit-sha1 = <ls_object>-sha1.
ls_commit-parent1 = ls_raw-parent.
ls_commit-parent2 = ls_raw-parent2.
SPLIT ls_raw-body AT zif_abapgit_definitions=>c_newline INTO TABLE lt_body.
READ TABLE lt_body WITH KEY table_line = ' -----END PGP SIGNATURE-----' TRANSPORTING NO FIELDS.
IF sy-subrc = 0.
DELETE lt_body TO sy-tabix.
DELETE lt_body TO 2.
ENDIF.
READ TABLE lt_body INDEX 1 INTO ls_commit-message. "#EC CI_SUBRC
" The second line is always empty. Therefore we omit it.
LOOP AT lt_body ASSIGNING <lv_body>
FROM 3.
INSERT <lv_body> INTO TABLE ls_commit-body.
ENDLOOP.
zcl_abapgit_utils=>extract_author_data(
EXPORTING
iv_author = ls_raw-author
IMPORTING
ev_author = ls_commit-author
ev_email = ls_commit-email
ev_time = ls_commit-time ).
APPEND ls_commit TO rt_commits.
ENDLOOP.
ENDMETHOD.
METHOD zif_abapgit_branch_overview~compress.
DATA: lv_previous TYPE i,
lv_index TYPE i,
lv_name TYPE string,
lt_temp LIKE it_commits.
FIELD-SYMBOLS: <ls_branch> LIKE LINE OF mt_branches,
<ls_commit> LIKE LINE OF it_commits.
LOOP AT mt_branches ASSIGNING <ls_branch>.
CLEAR lt_temp.
lv_name = <ls_branch>-name+11.
LOOP AT it_commits ASSIGNING <ls_commit>
WHERE branch = lv_name.
lv_index = sy-tabix.
IF NOT <ls_commit>-merge IS INITIAL
OR NOT <ls_commit>-create IS INITIAL.
* always show these vertices
lv_previous = -1.
ENDIF.
IF lv_previous + 1 <> sy-tabix.
compress_internal(
EXPORTING
iv_name = lv_name
CHANGING
ct_temp = lt_temp
ct_commits = rt_commits ).
ENDIF.
lv_previous = lv_index.
APPEND <ls_commit> TO lt_temp.
ENDLOOP.
compress_internal(
EXPORTING
iv_name = lv_name
CHANGING
ct_temp = lt_temp
ct_commits = rt_commits ).
ENDLOOP.
_sort_commits( CHANGING ct_commits = rt_commits ).
ENDMETHOD.
METHOD zif_abapgit_branch_overview~get_branches.
rt_branches = mt_branches.
ENDMETHOD.
METHOD zif_abapgit_branch_overview~get_commits.
rt_commits = mt_commits.
ENDMETHOD.
METHOD zif_abapgit_branch_overview~get_tags.
rt_tags = mt_tags.
ENDMETHOD.
METHOD _get_1st_child_commit.
DATA: lt_1stchild_commits TYPE zif_abapgit_definitions=>ty_commit_tt,
ls_parent LIKE LINE OF it_commit_sha1s,
lt_commit_sha1s LIKE it_commit_sha1s.
FIELD-SYMBOLS: <ls_child_commit> TYPE zif_abapgit_definitions=>ty_commit.
CLEAR: es_1st_commit.
* get all reachable next commits
lt_commit_sha1s = it_commit_sha1s.
LOOP AT ct_commits ASSIGNING <ls_child_commit> WHERE parent1 IN lt_commit_sha1s
OR parent2 IN lt_commit_sha1s.
INSERT <ls_child_commit> INTO TABLE lt_1stchild_commits.
ENDLOOP.
* return oldest one
SORT lt_1stchild_commits BY time ASCENDING.
READ TABLE lt_1stchild_commits INTO es_1st_commit INDEX 1.
* remove from available commits
DELETE ct_commits WHERE sha1 = es_1st_commit-sha1.
* set relevant parent commit sha1s
IF lines( lt_1stchild_commits ) = 1.
CLEAR et_commit_sha1s.
ELSE.
et_commit_sha1s = it_commit_sha1s.
ENDIF.
ls_parent-sign = 'I'.
ls_parent-option = 'EQ'.
ls_parent-low = es_1st_commit-sha1.
INSERT ls_parent INTO TABLE et_commit_sha1s.
ENDMETHOD.
METHOD _reverse_sort_order.
DATA: lt_commits TYPE zif_abapgit_definitions=>ty_commit_tt.
FIELD-SYMBOLS: <ls_commit> TYPE zif_abapgit_definitions=>ty_commit.
LOOP AT ct_commits ASSIGNING <ls_commit>.
INSERT <ls_commit> INTO lt_commits INDEX 1.
ENDLOOP.
ct_commits = lt_commits.
FREE lt_commits.
ENDMETHOD.
METHOD _sort_commits.
DATA: lt_sorted_commits TYPE zif_abapgit_definitions=>ty_commit_tt,
ls_next_commit TYPE zif_abapgit_definitions=>ty_commit,
lt_parents TYPE tyt_commit_sha1_range,
ls_parent LIKE LINE OF lt_parents.
FIELD-SYMBOLS: <ls_initial_commit> TYPE zif_abapgit_definitions=>ty_commit.
* find initial commit
READ TABLE ct_commits ASSIGNING <ls_initial_commit> WITH KEY parent1 = space.
IF sy-subrc = 0.
ls_parent-sign = 'I'.
ls_parent-option = 'EQ'.
ls_parent-low = <ls_initial_commit>-sha1.
INSERT ls_parent INTO TABLE lt_parents.
* first commit
INSERT <ls_initial_commit> INTO TABLE lt_sorted_commits.
* remove from available commits
DELETE ct_commits WHERE sha1 = <ls_initial_commit>-sha1.
DO.
_get_1st_child_commit( EXPORTING it_commit_sha1s = lt_parents
IMPORTING et_commit_sha1s = lt_parents
es_1st_commit = ls_next_commit
CHANGING ct_commits = ct_commits ).
IF ls_next_commit IS INITIAL.
EXIT. "DO
ENDIF.
INSERT ls_next_commit INTO TABLE lt_sorted_commits.
ENDDO.
ENDIF.
ct_commits = lt_sorted_commits.
ENDMETHOD.
ENDCLASS.
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