depfile: --make-target-prefix -> --make-prefix (#35009)

Since SPACK_PACKAGE_IDS is now also "namespaced" with <prefix>, it makes
more sense to call the flag `--make-prefix` and alias the old flag
`--make-target-prefix` to it.

3 files changed, 21 insertions, 21 deletions

diff --git a/lib/spack/docs/environments.rst b/lib/spack/docs/environments.rst
index 4b9a3cd818..09d8f07af1 100644
--- a/lib/spack/docs/environments.rst
+++ b/lib/spack/docs/environments.rst
@@ -1039,7 +1039,7 @@ gets installed and is available for use in the ``env`` target.
    	$(SPACK) -e . concretize -f
 
    env.mk: spack.lock
-   	$(SPACK) -e . env depfile -o $@ --make-target-prefix spack
+   	$(SPACK) -e . env depfile -o $@ --make-prefix spack
 
    env: spack/env
    	$(info Environment installed!)
@@ -1062,9 +1062,9 @@ the include is conditional.
 .. note::
 
    When including generated ``Makefile``\s, it is important to use
-   the ``--make-target-prefix`` flag and use the non-phony target
-   ``<target-prefix>/env`` as prerequisite, instead of the phony target
-   ``<target-prefix>/all``.
+   the ``--make-prefix`` flag and use the non-phony target
+   ``<prefix>/env`` as prerequisite, instead of the phony target
+   ``<prefix>/all``.
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Building a subset of the environment
@@ -1105,7 +1105,7 @@ associated ``Makefile`` with a prefix ``example``:
 
 .. code:: console
 
-   $ spack env depfile -o env.mk --make-target-prefix example
+   $ spack env depfile -o env.mk --make-prefix example
 
 And we now include it in a different ``Makefile``, in which we create a target
 ``example/push/%`` with ``%`` referring to a package identifier. This target
diff --git a/lib/spack/spack/cmd/env.py b/lib/spack/spack/cmd/env.py
index 8ae0c4fa5c..16e2838b67 100644
--- a/lib/spack/spack/cmd/env.py
+++ b/lib/spack/spack/cmd/env.py
@@ -588,12 +588,13 @@ def env_revert(args):
 def env_depfile_setup_parser(subparser):
     """generate a depfile from the concrete environment specs"""
     subparser.add_argument(
+        "--make-prefix",
         "--make-target-prefix",
         default=None,
         metavar="TARGET",
-        help="prefix Makefile targets with <TARGET>/<name>. By default the absolute "
-        "path to the directory makedeps under the environment metadata dir is "
-        "used. Can be set to an empty string --make-target-prefix ''.",
+        help="prefix Makefile targets (and variables) with <TARGET>/<name>. By default "
+        "the absolute path to the directory makedeps under the environment metadata dir is "
+        "used. Can be set to an empty string --make-prefix ''.",
     )
     subparser.add_argument(
         "--make-disable-jobserver",
@@ -695,26 +696,26 @@ def env_depfile(args):
 
     # Special make targets are useful when including a makefile in another, and you
     # need to "namespace" the targets to avoid conflicts.
-    if args.make_target_prefix is None:
-        target_prefix = os.path.join(env.env_subdir_path, "makedeps")
+    if args.make_prefix is None:
+        prefix = os.path.join(env.env_subdir_path, "makedeps")
     else:
-        target_prefix = args.make_target_prefix
+        prefix = args.make_prefix
 
     def get_target(name):
         # The `all` and `clean` targets are phony. It doesn't make sense to
         # have /abs/path/to/env/metadir/{all,clean} targets. But it *does* make
         # sense to have a prefix like `env/all`, `env/clean` when they are
         # supposed to be included
-        if name in ("all", "clean") and os.path.isabs(target_prefix):
+        if name in ("all", "clean") and os.path.isabs(prefix):
             return name
         else:
-            return os.path.join(target_prefix, name)
+            return os.path.join(prefix, name)
 
     def get_install_target(name):
-        return os.path.join(target_prefix, "install", name)
+        return os.path.join(prefix, "install", name)
 
     def get_install_deps_target(name):
-        return os.path.join(target_prefix, "install-deps", name)
+        return os.path.join(prefix, "install-deps", name)
 
     # What things do we build when running make? By default, we build the
     # root specs. If specific specs are provided as input, we build those.
@@ -742,10 +743,10 @@ def env_depfile(args):
     # running tests, etc.
     # NOTE: GNU Make allows directory separators in variable names, so for consistency
     # we can namespace this variable with the same prefix as targets.
-    if args.make_target_prefix is None:
+    if args.make_prefix is None:
         pkg_identifier_variable = "SPACK_PACKAGE_IDS"
     else:
-        pkg_identifier_variable = os.path.join(target_prefix, "SPACK_PACKAGE_IDS")
+        pkg_identifier_variable = os.path.join(prefix, "SPACK_PACKAGE_IDS")
 
     # All install and install-deps targets
     all_install_related_targets = []
@@ -759,7 +760,7 @@ def env_depfile(args):
         all_pkg_identifiers.append(tgt)
         all_install_related_targets.append(get_install_target(tgt))
         all_install_related_targets.append(get_install_deps_target(tgt))
-        if args.make_target_prefix is None:
+        if args.make_prefix is None:
             phony_convenience_targets.append(os.path.join("install", tgt))
             phony_convenience_targets.append(os.path.join("install-deps", tgt))
 
@@ -782,7 +783,6 @@ def env_depfile(args):
             "jobserver_support": "+" if args.jobserver else "",
             "adjacency_list": make_targets.adjacency_list,
             "phony_convenience_targets": " ".join(phony_convenience_targets),
-            "target_prefix": target_prefix,
             "pkg_ids_variable": pkg_identifier_variable,
             "pkg_ids": " ".join(all_pkg_identifiers),
         }
diff --git a/lib/spack/spack/test/cmd/env.py b/lib/spack/spack/test/cmd/env.py
index 2b727670b3..df1de8beeb 100644
--- a/lib/spack/spack/test/cmd/env.py
+++ b/lib/spack/spack/test/cmd/env.py
@@ -3115,7 +3115,7 @@ def test_environment_depfile_makefile(depfile_flags, expected_installs, tmpdir,
             "-o",
             makefile,
             "--make-disable-jobserver",
-            "--make-target-prefix=prefix",
+            "--make-prefix=prefix",
             *depfile_flags,
         )
 
@@ -3164,7 +3164,7 @@ def test_spack_package_ids_variable(tmpdir, mock_packages):
             "-G",
             "make",
             "--make-disable-jobserver",
-            "--make-target-prefix=example",
+            "--make-prefix=example",
             "-o",
             include_path,
         )