Main code changes to get scripts out of melange

[justinvreeland]

I made this with claude to help debug some tricky build issues I was encountering. I'm posting a draft to see if there's interest in cleaning it up. The docs might be a bit behind the current implementation but it work.

justin@justins-MBP ~/scratch/melange_btrfs/wolfi ((no description set) s a) 
❯ MELANGE_EXTRA_OPTS="--save-scripts" make debug/ack
....
2025/09/29 15:30:47 INFO qemu: setting up local workspace
2025/09/29 15:30:47 INFO Pre-generating pipeline scripts for export...
2025/09/29 15:30:47 INFO Successfully pre-generated scripts for 6 pipeline steps
2025/09/29 15:30:47 INFO running step "fetch"
2025/09/29 15:30:47 INFO 🛑 BREAKPOINT: Pausing before pipeline step ''
2025/09/29 15:30:47 INFO === PIPELINE STEP DETAILS ===
2025/09/29 15:30:47 INFO Step name: 
2025/09/29 15:30:47 INFO Working directory: /home/build
2025/09/29 15:30:47 INFO Environment variables:
2025/09/29 15:30:47 INFO   PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
2025/09/29 15:30:47 INFO Command that would be executed:
2025/09/29 15:30:47 INFO   /bin/sh -c set -ex
[ -d '/home/build' ] || mkdir -p '/home/build'
cd '/home/build'

exit 0
2025/09/29 15:30:47 INFO
2025/09/29 15:30:47 INFO === INTERACTIVE DEBUGGING ===
2025/09/29 15:30:47 INFO Dropping into interactive shell in pod ""
2025/09/29 15:30:47 INFO You can:
2025/09/29 15:30:47 INFO   • Examine the current environment
2025/09/29 15:30:47 INFO   • Test commands manually
2025/09/29 15:30:47 INFO   • Check file states
2025/09/29 15:30:47 INFO   • Modify files for testing
2025/09/29 15:30:47 INFO
2025/09/29 15:30:47 INFO When ready:
2025/09/29 15:30:47 INFO   • Type 'exit 0' to SKIP this step and continue with the next
2025/09/29 15:30:47 INFO   • Type 'exit 1' to ABORT the entire build
2025/09/29 15:30:47 INFO   • Type 'exit 2' to CONTINUE and run this pipeline step
2025/09/29 15:30:47 INFO   • Type 'exit 3' to STOP here and skip all remaining pipeline steps
2025/09/29 15:30:47 INFO To enter this environment: ssh root@localhost -p 63706
...

/home/build # tree .melange-scripts/
.melange-scripts/
|-- environment.sh
|-- run-all.sh
|-- unnamed-step-01.sh
|-- unnamed-step-02.sh
|-- unnamed-step-03.sh
|-- unnamed-step-04.sh
|-- unnamed-step-05.sh
`-- unnamed-step-06.sh

0 directories, 8 files
/home/build # tree melange-out/ack/
melange-out/ack/

0 directories, 0 files
/home/build # .melange-scripts/run-all.sh
=== Running All Melange Pipeline Scripts ===
Script directory: /home/build/.melange-scripts
Current directory: /home/build

Loading environment...
Melange environment loaded
  HOME: /root
...
+ exit 0
✓ unnamed-step-06.sh completed successfully

=== All pipeline scripts completed successfully ===
/home/build # tree ./melange-out/
./melange-out/
`-- ack
    `-- usr
        |-- bin
        |   `-- ack
        |-- lib
        |   `-- perl5
        |       |-- core_perl
        |       `-- vendor_perl
        |           `-- auto
        |               `-- ack
        `-- share
            |-- man
            |   `-- man1
            |       `-- ack.1
            `-- perl5
                `-- vendor_perl
                    `-- App
                        |-- Ack
                        |   |-- ConfigDefault.pm
                        |   |-- ConfigFinder.pm
                        |   |-- ConfigLoader.pm
                        |   |-- File.pm
                        |   |-- Files.pm
                        |   |-- Filter
                        |   |   |-- Collection.pm
                        |   |   |-- Default.pm
                        |   |   |-- Extension.pm
                        |   |   |-- ExtensionGroup.pm
                        |   |   |-- FirstLineMatch.pm
                        |   |   |-- Inverse.pm
                        |   |   |-- Is.pm
                        |   |   |-- IsGroup.pm
                        |   |   |-- IsPath.pm
                        |   |   |-- IsPathGroup.pm
                        |   |   |-- Match.pm
                        |   |   `-- MatchGroup.pm
                        |   `-- Filter.pm
                        `-- Ack.pm

17 directories, 21 files


diff --git i/ack.yaml w/ack.yaml
index b02ca1de0d..572518d06b 100644
--- i/ack.yaml
+++ w/ack.yaml
@@ -23,9 +23,9 @@ pipeline:
     with:
       expected-sha256: 94ed477e3b3f94d126cec7329f0e8399f1d0ce82c7c4d882a94adb150e7ffc90
       uri: https://cpan.metacpan.org/authors/id/P/PE/PETDANCE/ack-v${{package.version}}.tar.gz
+    break-before: true
 
   - runs: PERL_MM_USE_DEFAULT=1 perl Makefile.PL INSTALLDIRS=vendor