justfile: add cexec, ctest, repackage targets

- cexec

  Executes the given arg list inside the chroot

  > Build the 'osd' CMake target
    `just cexec make -j$(nproc) -C build osd`

- ctest

  Runs ctest (with the optional args) inside the chroot

  > Run testsuite
    `just ctest`
  > Rerun only failed tests
    `just ctest --retry-failed`
  > Run a regex filtered list of tests
    `just ctest -R some_unittest`

- repackage

  Repackages the project without triggering a rebuild

1 files changed, 15 insertions, 0 deletions

diff --git a/justfile b/justfile
index 5d87d429a4b0..126f9cc75a81 100644
--- a/justfile
+++ b/justfile
@@ -16,6 +16,17 @@ build:
   @$Say Building @{{PkgBuild}} via chroot
   makechrootpkg -c -r {{ChrootPath}} -d "/tmp:/tmp" -C -n -l {{PkgVer}}_{{PkgRel}}
 
+# Repackage without rebuilding
+repackage:
+  @$Say Repackaging @{{PkgBuild}} via chroot
+  makechrootpkg -r {{ChrootPath}} -l {{PkgVer}}_{{PkgRel}} -- --skipint --noprepare --noextract --nocheck --repackage --force
+
+# Run a command in the chroot environment
+cexec +args: (_cexec "." args)
+
+# Run ctest in the chroot environment
+ctest *args: (_cexec "build" "ctest" args)
+
 # Create and update the base chroot
 chroot: (_update_chroot ChrootBase)
 
@@ -65,6 +76,10 @@ upload pkg="@all": (_upload pkg)
   $Say Updating chroot packages @$cbase
   arch-nspawn $cbase pacman -Syu
 
+# Exec into the chroot to a path relative to the workdir, and run the given args
+_cexec path +args:
+  arch-nspawn {{ChrootActive}} --chdir /build/{{PkgBase}}/src/{{PkgBase}}-{{PkgVer}}/{{path}} sh -c {{quote(trim(args))}}
+
 # Script to upload a comma separated list of packages to the active Github release
 _upload $pkgstring:
   #!/usr/bin/env bash