11061200804

Committed 26 Sep 2024 10:27PM UTC coverage: 66.053% (-0.05%) from 66.107%

Build # 11061200804

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web-flow

Commit Message

#593: #651: #564: #439: fixed bugs, refactored tool dependencies (#652)

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cli/src/main/java/com/devonfw/tools/ide/process/ProcessContextImpl.java

package com.devonfw.tools.ide.process;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.ProcessBuilder.Redirect;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;

import com.devonfw.tools.ide.cli.CliProcessException;
import com.devonfw.tools.ide.common.SystemPath;
import com.devonfw.tools.ide.context.IdeContext;
import com.devonfw.tools.ide.environment.VariableLine;
import com.devonfw.tools.ide.log.IdeSubLogger;
import com.devonfw.tools.ide.os.SystemInfoImpl;
import com.devonfw.tools.ide.os.WindowsPathSyntax;
import com.devonfw.tools.ide.util.FilenameUtil;
import com.devonfw.tools.ide.variable.IdeVariables;

/**
 * Implementation of {@link ProcessContext}.
 */
public class ProcessContextImpl implements ProcessContext {

  private static final String PREFIX_USR_BIN_ENV = "/usr/bin/env ";

  /** The owning {@link IdeContext}. */
  protected final IdeContext context;

  private final ProcessBuilder processBuilder;

  private final List<String> arguments;

  private Path executable;

  private String overriddenPath;

  private final List<Path> extraPathEntries;

  private ProcessErrorHandling errorHandling;

  /**
   * The constructor.
   *
   * @param context the owning {@link IdeContext}.
   */
  public ProcessContextImpl(IdeContext context) {

    super();
    this.context = context;
    this.processBuilder = new ProcessBuilder();
    this.errorHandling = ProcessErrorHandling.THROW_ERR;
    Map<String, String> environment = this.processBuilder.environment();
    for (VariableLine var : this.context.getVariables().collectExportedVariables()) {
      if (var.isExport()) {
        environment.put(var.getName(), var.getValue());
      }
    }
    this.arguments = new ArrayList<>();
    this.extraPathEntries = new ArrayList<>();
  }

  @Override
  public ProcessContext errorHandling(ProcessErrorHandling handling) {

    Objects.requireNonNull(handling);
    this.errorHandling = handling;
    return this;
  }

  @Override
  public ProcessContext directory(Path directory) {

    if (directory != null) {
      this.processBuilder.directory(directory.toFile());
    } else {
      this.context.debug(
          "Could not set the process builder's working directory! Directory of the current java process is used.");
    }

    return this;
  }

  @Override
  public ProcessContext executable(Path command) {

    if (!this.arguments.isEmpty()) {
      throw new IllegalStateException("Arguments already present - did you forget to call run for previous call?");
    }

    this.executable = command;
    return this;
  }

  @Override
  public ProcessContext addArg(String arg) {

    this.arguments.add(arg);
    return this;
  }

  @Override
  public ProcessContext withEnvVar(String key, String value) {

    if (IdeVariables.PATH.getName().equals(key)) {
      this.overriddenPath = value;
    } else {
      this.context.trace("Setting process environment variable {}={}", key, value);
      this.processBuilder.environment().put(key, value);
    }
    return this;
  }

  @Override
  public ProcessContext withPathEntry(Path path) {

    this.extraPathEntries.add(path);
    return this;
  }

  @Override
  public ProcessResult run(ProcessMode processMode) {

    if (processMode == ProcessMode.DEFAULT) {
      this.processBuilder.redirectOutput(Redirect.INHERIT).redirectError(Redirect.INHERIT);
    }

    if (processMode == ProcessMode.DEFAULT_SILENT) {
      this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);
    }

    if (this.executable == null) {
      throw new IllegalStateException("Missing executable to run process!");
    }

    SystemPath systemPath = this.context.getPath();
    if ((this.overriddenPath != null) || !this.extraPathEntries.isEmpty()) {
      systemPath = systemPath.withPath(this.overriddenPath, this.extraPathEntries);
    }
    String path = systemPath.toString();
    this.context.trace("Setting PATH for process execution of {} to {}", this.executable.getFileName(), path);
    this.executable = systemPath.findBinary(this.executable);
    this.processBuilder.environment().put(IdeVariables.PATH.getName(), path);
    List<String> args = new ArrayList<>(this.arguments.size() + 4);
    String interpreter = addExecutable(this.executable.toString(), args);
    args.addAll(this.arguments);
    if (this.context.debug().isEnabled()) {
      String message = createCommandMessage(interpreter, " ...");
      this.context.debug(message);
    }

    try {

      if (processMode == ProcessMode.DEFAULT_CAPTURE) {
        this.processBuilder.redirectOutput(Redirect.PIPE).redirectError(Redirect.PIPE);
      } else if (processMode.isBackground()) {
        modifyArgumentsOnBackgroundProcess(processMode);
      }

      this.processBuilder.command(args);

      List<String> out = null;
      List<String> err = null;

      Process process = this.processBuilder.start();

      if (processMode == ProcessMode.DEFAULT_CAPTURE) {
        CompletableFuture<List<String>> outFut = readInputStream(process.getInputStream());
        CompletableFuture<List<String>> errFut = readInputStream(process.getErrorStream());
        out = outFut.get();
        err = errFut.get();
      }

      int exitCode;
      if (processMode.isBackground()) {
        exitCode = ProcessResult.SUCCESS;
      } else {
        exitCode = process.waitFor();
      }

      ProcessResult result = new ProcessResultImpl(exitCode, out, err);
      performLogOnError(result, exitCode, interpreter);

      return result;

    } catch (CliProcessException | IllegalStateException e) {
      // these exceptions are thrown from performLogOnError and we do not want to wrap them (see #593)
      throw e;
    } catch (Exception e) {
      String msg = e.getMessage();
      if ((msg == null) || msg.isEmpty()) {
        msg = e.getClass().getSimpleName();
      }
      throw new IllegalStateException(createCommandMessage(interpreter, " failed: " + msg), e);
    } finally {
      this.arguments.clear();
    }
  }

  /**
   * Asynchronously and parallel reads {@link InputStream input stream} and stores it in {@link CompletableFuture}. Inspired by: <a href=
   * "https://stackoverflow.com/questions/14165517/processbuilder-forwarding-stdout-and-stderr-of-started-processes-without-blocki/57483714#57483714">StackOverflow</a>
   *
   * @param is {@link InputStream}.
   * @return {@link CompletableFuture}.
   */
  private static CompletableFuture<List<String>> readInputStream(InputStream is) {

    return CompletableFuture.supplyAsync(() -> {

      try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {
        return br.lines().toList();
      } catch (Throwable e) {
        throw new RuntimeException("There was a problem while executing the program", e);
      }
    });
  }

  private String createCommandMessage(String interpreter, String suffix) {

    StringBuilder sb = new StringBuilder();
    sb.append("Running command '");
    sb.append(this.executable);
    sb.append("'");
    if (interpreter != null) {
      sb.append(" using ");
      sb.append(interpreter);
    }
    int size = this.arguments.size();
    if (size > 0) {
      sb.append(" with arguments");
      for (int i = 0; i < size; i++) {
        String arg = this.arguments.get(i);
        sb.append(" '");
        sb.append(arg);
        sb.append("'");
      }
    }
    sb.append(suffix);
    return sb.toString();
  }

  private String getSheBang(Path file) {

    try (InputStream in = Files.newInputStream(file)) {
      // "#!/usr/bin/env bash".length() = 19
      byte[] buffer = new byte[32];
      int read = in.read(buffer);
      if ((read > 2) && (buffer[0] == '#') && (buffer[1] == '!')) {
        int start = 2;
        int end = 2;
        while (end < read) {
          byte c = buffer[end];
          if ((c == '\n') || (c == '\r') || (c > 127)) {
            break;
          } else if ((end == start) && (c == ' ')) {
            start++;
          }
          end++;
        }
        String sheBang = new String(buffer, start, end - start, StandardCharsets.US_ASCII).trim();
        if (sheBang.startsWith(PREFIX_USR_BIN_ENV)) {
          sheBang = sheBang.substring(PREFIX_USR_BIN_ENV.length());
        }
        return sheBang;
      }
    } catch (IOException e) {
      // ignore...
    }
    return null;
  }

  private String addExecutable(String exec, List<String> args) {

    String interpreter = null;
    String fileExtension = FilenameUtil.getExtension(exec);
    boolean isBashScript = "sh".equals(fileExtension);
    if (!isBashScript) {
      String sheBang = getSheBang(this.executable);
      if (sheBang != null) {
        String cmd = sheBang;
        int lastSlash = cmd.lastIndexOf('/');
        if (lastSlash >= 0) {
          cmd = cmd.substring(lastSlash + 1);
        }
        if (cmd.equals("bash")) {
          isBashScript = true;
        } else {
          // currently we do not support other interpreters...
        }
      }
    }
    if (isBashScript) {
      interpreter = "bash";
      args.add(this.context.findBashRequired());
    }
    if ("msi".equalsIgnoreCase(fileExtension)) {
      args.add(0, "/i");
      args.add(0, "msiexec");
    }
    args.add(exec);
    return interpreter;
  }

  private void performLogOnError(ProcessResult result, int exitCode, String interpreter) {

    if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {
      String message = createCommandMessage(interpreter, " failed with exit code " + exitCode + "!");
      if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {
        throw new CliProcessException(message, result);
      } else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {
        throw new IllegalStateException(message);
      }
      IdeSubLogger level;
      if (this.errorHandling == ProcessErrorHandling.LOG_ERROR) {
        level = this.context.error();
      } else if (this.errorHandling == ProcessErrorHandling.LOG_WARNING) {
        level = this.context.warning();
      } else {
        level = this.context.error();
        this.context.error("Internal error: Undefined error handling {}", this.errorHandling);
      }
      level.log(message);
    }
  }

  private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {

    if (processMode == ProcessMode.BACKGROUND) {
      this.processBuilder.redirectOutput(Redirect.INHERIT).redirectError(Redirect.INHERIT);
    } else if (processMode == ProcessMode.BACKGROUND_SILENT) {
      this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);
    } else {
      throw new IllegalStateException("Cannot handle non background process mode!");
    }

    String bash = this.context.findBash();
    if (bash == null) {
      this.context.warning(
          "Cannot start background process via bash because no bash installation was found. Hence, output will be discarded.");
      this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);
      return;
    }

    String commandToRunInBackground = buildCommandToRunInBackground();

    this.arguments.clear();
    this.arguments.add(bash);
    this.arguments.add("-c");
    commandToRunInBackground += " & disown";
    this.arguments.add(commandToRunInBackground);

  }

  private String buildCommandToRunInBackground() {

    if (this.context.getSystemInfo().isWindows()) {

      StringBuilder stringBuilder = new StringBuilder();

      for (String argument : this.arguments) {

        if (SystemInfoImpl.INSTANCE.isWindows() && SystemPath.isValidWindowsPath(argument)) {
          argument = WindowsPathSyntax.MSYS.normalize(argument);
        }

        stringBuilder.append(argument);
        stringBuilder.append(" ");
      }
      return stringBuilder.toString().trim();
    } else {
      return this.arguments.stream().map(Object::toString).collect(Collectors.joining(" "));
    }
  }
}

1	package com.devonfw.tools.ide.process;
2
3	import java.io.BufferedReader;
4	import java.io.IOException;
5	import java.io.InputStream;
6	import java.io.InputStreamReader;
7	import java.lang.ProcessBuilder.Redirect;
8	import java.nio.charset.StandardCharsets;
9	import java.nio.file.Files;
10	import java.nio.file.Path;
11	import java.util.ArrayList;
12	import java.util.List;
13	import java.util.Map;
14	import java.util.Objects;
15	import java.util.concurrent.CompletableFuture;
16	import java.util.stream.Collectors;
17
18	import com.devonfw.tools.ide.cli.CliProcessException;
19	import com.devonfw.tools.ide.common.SystemPath;
20	import com.devonfw.tools.ide.context.IdeContext;
21	import com.devonfw.tools.ide.environment.VariableLine;
22	import com.devonfw.tools.ide.log.IdeSubLogger;
23	import com.devonfw.tools.ide.os.SystemInfoImpl;
24	import com.devonfw.tools.ide.os.WindowsPathSyntax;
25	import com.devonfw.tools.ide.util.FilenameUtil;
26	import com.devonfw.tools.ide.variable.IdeVariables;
27
28	/**
29	* Implementation of {@link ProcessContext}.
30	*/
31	public class ProcessContextImpl implements ProcessContext {
32
33	private static final String PREFIX_USR_BIN_ENV = "/usr/bin/env ";
34
35	/** The owning {@link IdeContext}. */
36	protected final IdeContext context;
37
38	private final ProcessBuilder processBuilder;
39
40	private final List<String> arguments;
41
42	private Path executable;
43
44	private String overriddenPath;
45
46	private final List<Path> extraPathEntries;
47
48	private ProcessErrorHandling errorHandling;
49
50	/**
51	* The constructor.
52	*
53	* @param context the owning {@link IdeContext}.
54	*/
55	public ProcessContextImpl(IdeContext context) {
56
57	super();	2✔
58	this.context = context;	3✔
59	this.processBuilder = new ProcessBuilder();	7✔
60	this.errorHandling = ProcessErrorHandling.THROW_ERR;	3✔
61	Map<String, String> environment = this.processBuilder.environment();	4✔
62	for (VariableLine var : this.context.getVariables().collectExportedVariables()) {	13✔
63	if (var.isExport()) {	3!
64	environment.put(var.getName(), var.getValue());	7✔
65	}
66	}	1✔
67	this.arguments = new ArrayList<>();	5✔
68	this.extraPathEntries = new ArrayList<>();	5✔
69	}	1✔
70
71	@Override
72	public ProcessContext errorHandling(ProcessErrorHandling handling) {
73
74	Objects.requireNonNull(handling);	3✔
75	this.errorHandling = handling;	3✔
76	return this;	2✔
77	}
78
79	@Override
80	public ProcessContext directory(Path directory) {
81
82	if (directory != null) {	×
83	this.processBuilder.directory(directory.toFile());	×
84	} else {
85	this.context.debug(	×
86	"Could not set the process builder's working directory! Directory of the current java process is used.");
87	}
88
89	return this;	×
90	}
91
92	@Override
93	public ProcessContext executable(Path command) {
94
95	if (!this.arguments.isEmpty()) {	4!
96	throw new IllegalStateException("Arguments already present - did you forget to call run for previous call?");	×
97	}
98
99	this.executable = command;	3✔
100	return this;	2✔
101	}
102
103	@Override
104	public ProcessContext addArg(String arg) {
105
106	this.arguments.add(arg);	5✔
107	return this;	2✔
108	}
109
110	@Override
111	public ProcessContext withEnvVar(String key, String value) {
112
113	if (IdeVariables.PATH.getName().equals(key)) {	5!
114	this.overriddenPath = value;	×
115	} else {
116	this.context.trace("Setting process environment variable {}={}", key, value);	14✔
117	this.processBuilder.environment().put(key, value);	7✔
118	}
119	return this;	2✔
120	}
121
122	@Override
123	public ProcessContext withPathEntry(Path path) {
124
125	this.extraPathEntries.add(path);	5✔
126	return this;	2✔
127	}
128
129	@Override
130	public ProcessResult run(ProcessMode processMode) {
131
132	if (processMode == ProcessMode.DEFAULT) {	3✔
133	this.processBuilder.redirectOutput(Redirect.INHERIT).redirectError(Redirect.INHERIT);	7✔
134	}
135
136	if (processMode == ProcessMode.DEFAULT_SILENT) {	3!
137	this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);	×
138	}
139
140	if (this.executable == null) {	3✔
141	throw new IllegalStateException("Missing executable to run process!");	5✔
142	}
143
144	SystemPath systemPath = this.context.getPath();	4✔
145	if ((this.overriddenPath != null) \|\| !this.extraPathEntries.isEmpty()) {	7!
146	systemPath = systemPath.withPath(this.overriddenPath, this.extraPathEntries);	7✔
147	}
148	String path = systemPath.toString();	3✔
149	this.context.trace("Setting PATH for process execution of {} to {}", this.executable.getFileName(), path);	16✔
150	this.executable = systemPath.findBinary(this.executable);	6✔
151	this.processBuilder.environment().put(IdeVariables.PATH.getName(), path);	8✔
152	List<String> args = new ArrayList<>(this.arguments.size() + 4);	9✔
153	String interpreter = addExecutable(this.executable.toString(), args);	7✔
154	args.addAll(this.arguments);	5✔
155	if (this.context.debug().isEnabled()) {	5!
156	String message = createCommandMessage(interpreter, " ...");	5✔
157	this.context.debug(message);	4✔
158	}
159
160	try {
161
162	if (processMode == ProcessMode.DEFAULT_CAPTURE) {	3✔
163	this.processBuilder.redirectOutput(Redirect.PIPE).redirectError(Redirect.PIPE);	8✔
164	} else if (processMode.isBackground()) {	3✔
165	modifyArgumentsOnBackgroundProcess(processMode);	3✔
166	}
167
168	this.processBuilder.command(args);	5✔
169
170	List<String> out = null;	2✔
171	List<String> err = null;	2✔
172
173	Process process = this.processBuilder.start();	4✔
174
175	if (processMode == ProcessMode.DEFAULT_CAPTURE) {	3✔
176	CompletableFuture<List<String>> outFut = readInputStream(process.getInputStream());	4✔
177	CompletableFuture<List<String>> errFut = readInputStream(process.getErrorStream());	4✔
178	out = outFut.get();	4✔
179	err = errFut.get();	4✔
180	}
181
182	int exitCode;
183	if (processMode.isBackground()) {	3✔
184	exitCode = ProcessResult.SUCCESS;	3✔
185	} else {
186	exitCode = process.waitFor();	3✔
187	}
188
189	ProcessResult result = new ProcessResultImpl(exitCode, out, err);	7✔
190	performLogOnError(result, exitCode, interpreter);	5✔
191
192	return result;	4✔
193
194	} catch (CliProcessException \| IllegalStateException e) {	1✔
195	// these exceptions are thrown from performLogOnError and we do not want to wrap them (see #593)
196	throw e;	2✔
197	} catch (Exception e) {	×
198	String msg = e.getMessage();	×
199	if ((msg == null) \|\| msg.isEmpty()) {	×
200	msg = e.getClass().getSimpleName();	×
201	}
202	throw new IllegalStateException(createCommandMessage(interpreter, " failed: " + msg), e);	×
203	} finally {
204	this.arguments.clear();	3✔
205	}
206	}
207
208	/**
209	* Asynchronously and parallel reads {@link InputStream input stream} and stores it in {@link CompletableFuture}. Inspired by: <a href=
210	* "https://stackoverflow.com/questions/14165517/processbuilder-forwarding-stdout-and-stderr-of-started-processes-without-blocki/57483714#57483714">StackOverflow</a>
211	*
212	* @param is {@link InputStream}.
213	* @return {@link CompletableFuture}.
214	*/
215	private static CompletableFuture<List<String>> readInputStream(InputStream is) {
216
217	return CompletableFuture.supplyAsync(() -> {	4✔
218
219	try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {	10✔
220	return br.lines().toList();	6✔
221	} catch (Throwable e) {	×
222	throw new RuntimeException("There was a problem while executing the program", e);	×
223	}
224	});
225	}
226
227	private String createCommandMessage(String interpreter, String suffix) {
228
229	StringBuilder sb = new StringBuilder();	4✔
230	sb.append("Running command '");	4✔
231	sb.append(this.executable);	5✔
232	sb.append("'");	4✔
233	if (interpreter != null) {	2✔
234	sb.append(" using ");	4✔
235	sb.append(interpreter);	4✔
236	}
237	int size = this.arguments.size();	4✔
238	if (size > 0) {	2✔
239	sb.append(" with arguments");	4✔
240	for (int i = 0; i < size; i++) {	7✔
241	String arg = this.arguments.get(i);	6✔
242	sb.append(" '");	4✔
243	sb.append(arg);	4✔
244	sb.append("'");	4✔
245	}
246	}
247	sb.append(suffix);	4✔
248	return sb.toString();	3✔
249	}
250
251	private String getSheBang(Path file) {
252
253	try (InputStream in = Files.newInputStream(file)) {	5✔
254	// "#!/usr/bin/env bash".length() = 19
255	byte[] buffer = new byte[32];	3✔
256	int read = in.read(buffer);	4✔
257	if ((read > 2) && (buffer[0] == '#') && (buffer[1] == '!')) {	13!
258	int start = 2;	2✔
259	int end = 2;	2✔
260	while (end < read) {	3!
261	byte c = buffer[end];	4✔
262	if ((c == '\n') \|\| (c == '\r') \|\| (c > 127)) {	9!
263	break;	×
264	} else if ((end == start) && (c == ' ')) {	6!
265	start++;	×
266	}
267	end++;	1✔
268	}	1✔
269	String sheBang = new String(buffer, start, end - start, StandardCharsets.US_ASCII).trim();	11✔
270	if (sheBang.startsWith(PREFIX_USR_BIN_ENV)) {	4✔
271	sheBang = sheBang.substring(PREFIX_USR_BIN_ENV.length());	5✔
272	}
273	return sheBang;	4✔
274	}
275	} catch (IOException e) {	5!
276	// ignore...
277	}	×
278	return null;	2✔
279	}
280
281	private String addExecutable(String exec, List<String> args) {
282
283	String interpreter = null;	2✔
284	String fileExtension = FilenameUtil.getExtension(exec);	3✔
285	boolean isBashScript = "sh".equals(fileExtension);	4✔
286	if (!isBashScript) {	2✔
287	String sheBang = getSheBang(this.executable);	5✔
288	if (sheBang != null) {	2✔
289	String cmd = sheBang;	2✔
290	int lastSlash = cmd.lastIndexOf('/');	4✔
291	if (lastSlash >= 0) {	2✔
292	cmd = cmd.substring(lastSlash + 1);	6✔
293	}
294	if (cmd.equals("bash")) {	4!
295	isBashScript = true;	2✔
296	} else {
297	// currently we do not support other interpreters...
298	}
299	}
300	}
301	if (isBashScript) {	2✔
302	interpreter = "bash";	2✔
303	args.add(this.context.findBashRequired());	6✔
304	}
305	if ("msi".equalsIgnoreCase(fileExtension)) {	4!
306	args.add(0, "/i");	×
307	args.add(0, "msiexec");	×
308	}
309	args.add(exec);	4✔
310	return interpreter;	2✔
311	}
312
313	private void performLogOnError(ProcessResult result, int exitCode, String interpreter) {
314
315	if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {	7!
316	String message = createCommandMessage(interpreter, " failed with exit code " + exitCode + "!");	6✔
317	if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {	4!
318	throw new CliProcessException(message, result);	×
319	} else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {	4✔
320	throw new IllegalStateException(message);	5✔
321	}
322	IdeSubLogger level;
323	if (this.errorHandling == ProcessErrorHandling.LOG_ERROR) {	4✔
324	level = this.context.error();	5✔
325	} else if (this.errorHandling == ProcessErrorHandling.LOG_WARNING) {	4!
326	level = this.context.warning();	5✔
327	} else {
328	level = this.context.error();	×
329	this.context.error("Internal error: Undefined error handling {}", this.errorHandling);	×
330	}
331	level.log(message);	3✔
332	}
333	}	1✔
334
335	private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {
336
337	if (processMode == ProcessMode.BACKGROUND) {	3✔
338	this.processBuilder.redirectOutput(Redirect.INHERIT).redirectError(Redirect.INHERIT);	8✔
339	} else if (processMode == ProcessMode.BACKGROUND_SILENT) {	3!
340	this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);	8✔
341	} else {
342	throw new IllegalStateException("Cannot handle non background process mode!");	×
343	}
344
345	String bash = this.context.findBash();	4✔
346	if (bash == null) {	2!
347	this.context.warning(	×
348	"Cannot start background process via bash because no bash installation was found. Hence, output will be discarded.");
349	this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);	×
350	return;	×
351	}
352
353	String commandToRunInBackground = buildCommandToRunInBackground();	3✔
354
355	this.arguments.clear();	3✔
356	this.arguments.add(bash);	5✔
357	this.arguments.add("-c");	5✔
358	commandToRunInBackground += " & disown";	3✔
359	this.arguments.add(commandToRunInBackground);	5✔
360
361	}	1✔
362
363	private String buildCommandToRunInBackground() {
364
365	if (this.context.getSystemInfo().isWindows()) {	5!
366
367	StringBuilder stringBuilder = new StringBuilder();	×
368
369	for (String argument : this.arguments) {	×
370
371	if (SystemInfoImpl.INSTANCE.isWindows() && SystemPath.isValidWindowsPath(argument)) {	×
372	argument = WindowsPathSyntax.MSYS.normalize(argument);	×
373	}
374
375	stringBuilder.append(argument);	×
376	stringBuilder.append(" ");	×
377	}	×
378	return stringBuilder.toString().trim();	×
379	} else {
380	return this.arguments.stream().map(Object::toString).collect(Collectors.joining(" "));	10✔
381	}
382	}
383	}

devonfw / IDEasy / 11061200804

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