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Fix PETSc build by auto-detecting active Pixi environment #44

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Fix PETSc build by auto-detecting active Pixi environment #44

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17 changes: 9 additions & 8 deletions petsc-custom/build-petsc.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -24,18 +24,19 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PETSC_DIR="${SCRIPT_DIR}/petsc"
PETSC_ARCH="petsc-4-uw"

# Detect pixi environment - need MPI and HDF5 from there
if [ -n "$PIXI_PROJECT_ROOT" ]; then
PIXI_ENV="${PIXI_PROJECT_ROOT}/.pixi/envs/amr"
if [ ! -d "$PIXI_ENV" ]; then
PIXI_ENV="${PIXI_PROJECT_ROOT}/.pixi/envs/default"
fi
else
# Detect active pixi environment (robust)
if [ -z "$PIXI_PROJECT_ROOT" ]; then
echo "Error: This script must be run from within a pixi environment"
echo "Use: pixi run -e amr petsc-build"
echo "Use: pixi run -e <env> ./build-petsc.sh"
exit 1
fi

PIXI_ENV="$(python3 - <<'EOF'
import sys, pathlib
print(pathlib.Path(sys.executable).resolve().parents[1])
EOF
)"

echo "=========================================="
echo "PETSc AMR Build Script"
echo "=========================================="
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