Add pre-commit wrapper

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

.pre-commit-hooks.yaml

@@ -9,7 +9,7 @@
 
 -   id: tmt-lint
     name: tmt lint
-    entry: bash -c "git ls-files --error-unmatch $(python3 -c 'import tmt; print(tmt.Tree(logger=tmt.Logger.create(), path=\".\").root)')/.fmf/version && tmt lint --source $@" PAD
+    entry: tmt-pre-commit
     files: '.*\.fmf$'
     verbose: true
     pass_filenames: true
@@ -18,7 +18,7 @@
 
 -   id: tmt-tests-lint
     name: tmt tests lint
-    entry: bash -c "git ls-files --error-unmatch $(python3 -c 'import tmt; print(tmt.Tree(logger=tmt.Logger.create(), path=\".\").root)')/.fmf/version && tmt tests lint --source $@" PAD
+    entry: tmt-pre-commit --lint-type tests
     files: '.*\.fmf$'
     verbose: true
     pass_filenames: true
@@ -27,7 +27,7 @@
 
 -   id: tmt-plans-lint
     name: tmt plans lint
-    entry: bash -c "git ls-files --error-unmatch $(python3 -c 'import tmt; print(tmt.Tree(logger=tmt.Logger.create(), path=\".\").root)')/.fmf/version && tmt plans lint --source $@" PAD
+    entry: tmt-pre-commit --lint-type plans
     files: '.*\.fmf$'
     verbose: true
     pass_filenames: true
@@ -36,7 +36,7 @@
 
 -   id: tmt-stories-lint
     name: tmt stories lint
-    entry: bash -c "git ls-files --error-unmatch $(python3 -c 'import tmt; print(tmt.Tree(logger=tmt.Logger.create(), path=\".\").root)')/.fmf/version && tmt stories lint --source $@" PAD
+    entry: tmt-pre-commit --lint-type stories
     files: '.*\.fmf$'
     verbose: true
     pass_filenames: true

setup.py

@@ -139,5 +139,8 @@
     packages=__pkgs__,
     provides=__provides__,
     scripts=__scripts__,
+    entry_points={
+        'console_scripts': ['tmt-pre-commit=tmt.cli:pre_commit']
+        },
     version=__version__
     )

tmt.spec

@@ -178,6 +178,8 @@ package to have all available plugins ready for testing.
 
 %install
 %py3_install
+# Executable only used for pre-commit. Should not be installed
+rm %{buildroot}/%{_bindir}/tmt-pre-commit
 
 mkdir -p %{buildroot}%{_mandir}/man1
 mkdir -p %{buildroot}/etc/bash_completion.d/

tmt/cli.py

@@ -1618,3 +1618,47 @@ def completion_fish(context: Context, install: bool, **kwargs: Any) -> None:
     Setup shell completions for fish.
     """
     setup_completion('fish', install)
+
+
+@click.command(context_settings=dict(
+    ignore_unknown_options=True,
+    allow_extra_args=True,
+    ))
+@click.pass_context
+@click.option(
+    '-r', '--root', metavar='PATH', show_default=True, default='.',
+    help='Variable passed to tmt main. See `tmt --help`')
+@click.option(
+    '-v', '--verbose', count=True, default=0,
+    help='Variable passed to tmt main. See `tmt --help`')
+@click.option(
+    '--version', is_flag=True,
+    help="Variable passed to tmt main. See `tmt --help`")
+@click.option(
+    '--lint-type', default=None,
+    type=click.Choice(['tests', 'plans', 'stories'], case_sensitive=False),
+    help='tmt types to lint')
+def pre_commit(
+        context: Context,
+        root: str,
+        verbose: int,
+        version: bool,
+        lint_type: Optional[str]) -> None:
+    """
+    Cli wrapper of tmt lint for
+    """
+    # Special handling for --version
+    if version:
+        main(['--version'])
+    # Construct the arguments for main cli
+    args = ['--root', root]
+    if verbose:
+        args += ['-' + 'v' * verbose]
+    if lint_type:
+        args += [lint_type]
+    args += ['lint', '--source']
+    # Get everything else
+    if '--source' in context.args:
+        context.args.remove('--source')
+    args += context.args
+    main(args)