Re: [GSoC PATCH v3] add -p: show user's hunk decision when selecting hunks

[Junio C Hamano <gitster@pobox.com>]

Abraham Samuel Adekunle <abrahamadekunle50@gmail.com> writes:

> When a user is interactively deciding which hunks to use or skip for
> staging, unstaging, stashing etc, there is no way to know the
> decision previously chosen for a hunk when navigating through the
> previous and next hunks using K/J respectively.
>
> Improve the UI to explicitly show if a user has previously decided to
> use a hunk (by pressing 'y') or skip the hunk (by pressing 'n').
> This will improve clarity when and aid the navigation process for the
> user.
>
> Reported-by: Junio C Hamano <gitster@pobox.com>
> Signed-off-by: Abraham Samuel Adekunle <abrahamadekunle50@gmail.com>
> ---
>
> Changes in v2:
> --------------
> - Modified t3701-add-interactive.sh for conform to new changes

Here is how "cd t && sh t3701-add-interactive.sh -i -v" ends for me.

expecting success of 3701.50 'print again the hunk (PAGER)':
        test_when_finished "git reset" &&
        cat >expect <<-EOF &&
        <GREEN>+<RESET><GREEN>15<RESET>
         20<RESET>
        <BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>PAGER <CYAN>@@ -1,2 +1,3 @@<RESET>
        PAGER  10<RESET>
        PAGER <GREEN>+<RESET><GREEN>15<RESET>
        PAGER  20<RESET>
        <BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>
        EOF
        test_write_lines s y g 1 P |
        (
                GIT_PAGER="sed s/^/PAGER\ /" &&
                export GIT_PAGER &&
                test_terminal git add -p >actual
        ) &&
        tail -n 7 <actual | test_decode_color >actual.trimmed &&
        test_cmp expect actual.trimmed

--- expect      2026-01-04 06:01:25.931220332 +0000
+++ actual.trimmed      2026-01-04 06:01:26.079845771 +0000
@@ -1,7 +1,7 @@
 <GREEN>+<RESET><GREEN>15<RESET>
  20<RESET>
-<BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>PAGER <CYAN>@@ -1,2 +1,3 @@<RESET>
+<BOLD;BLUE>(1/2) Stage this hunk (previous decision: use) [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>PAGER <CYAN>@@ -1,2 +1,3 @@<RESET>
 PAGER  10<RESET>
 PAGER <GREEN>+<RESET><GREEN>15<RESET>
 PAGER  20<RESET>
-<BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>
+<BOLD;BLUE>(1/2) Stage this hunk (previous decision: use) [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>
not ok 50 - print again the hunk (PAGER)
#
#               test_when_finished "git reset" &&
#               cat >expect <<-EOF &&
#               <GREEN>+<RESET><GREEN>15<RESET>
#                20<RESET>
#               <BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>PAGER <CYAN>@@ -1,2 +1,3 @@<RESET>
#               PAGER  10<RESET>
#               PAGER <GREEN>+<RESET><GREEN>15<RESET>
#               PAGER  20<RESET>
#               <BOLD;BLUE>(1/2) Stage this hunk [y,n,q,a,d,k,K,j,J,g,/,e,p,P,?]? <RESET>
#               EOF
#               test_write_lines s y g 1 P |
#               (
#                       GIT_PAGER="sed s/^/PAGER\ /" &&
#                       export GIT_PAGER &&
#                       test_terminal git add -p >actual
#               ) &&
#               tail -n 7 <actual | test_decode_color >actual.trimmed &&
#               test_cmp expect actual.trimmed
#
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