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21174441650

Committed 20 Jan 2026 02:06PM UTC coverage: 70.447% (-0.02%) from 70.471%

Build # 21174441650

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github

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web-flow

Commit Message

#1679: fix determine version if npm list has exit code 1 (#1681)

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80.71

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.concurrent.ConcurrentLinkedQueue;
import java.util.function.Predicate;
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.IdeLogLevel;
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 ";
  private static final Predicate<Integer> EXIT_CODE_ACCEPTOR = rc -> rc == ProcessResult.SUCCESS;

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

  private final ProcessBuilder processBuilder;

  protected final List<String> arguments;

  protected Path executable;

  private String overriddenPath;

  private final List<Path> extraPathEntries;

  private ProcessErrorHandling errorHandling;

  private OutputListener outputListener;

  private Predicate<Integer> exitCodeAcceptor;

  /**
   * 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<>();
    this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;
  }

  private ProcessContextImpl(ProcessContextImpl parent) {

    super();
    this.context = parent.context;
    this.processBuilder = parent.processBuilder;
    this.errorHandling = ProcessErrorHandling.THROW_ERR;
    this.arguments = new ArrayList<>();
    this.extraPathEntries = parent.extraPathEntries;
    this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;
  }

  @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 ProcessContext withExitCodeAcceptor(Predicate<Integer> exitCodeAcceptor) {

    this.exitCodeAcceptor = exitCodeAcceptor;
    return this;
  }

  @Override
  public ProcessContext createChild() {

    return new ProcessContextImpl(this);
  }

  @Override
  public void setOutputListener(OutputListener listener) {
    this.outputListener = listener;
  }

  @Override
  public ProcessResult run(ProcessMode processMode) {

    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(args);
    args.addAll(this.arguments);
    String command = createCommand();
    if (this.context.debug().isEnabled()) {
      String message = createCommandMessage(interpreter, " ...");
      this.context.debug(message);
    }

    try {
      applyRedirects(processMode);
      if (processMode.isBackground()) {
        modifyArgumentsOnBackgroundProcess(processMode);
      }

      this.processBuilder.command(args);

      ConcurrentLinkedQueue<OutputMessage> output = new ConcurrentLinkedQueue<>();

      Process process = this.processBuilder.start();

      try {
        if (Redirect.PIPE == processMode.getRedirectOutput() || Redirect.PIPE == processMode.getRedirectError()) {
          CompletableFuture<Void> outFut = readInputStream(process.getInputStream(), false, output);
          CompletableFuture<Void> errFut = readInputStream(process.getErrorStream(), true, output);
          if (Redirect.PIPE == processMode.getRedirectOutput()) {
            outFut.get();
            if (this.outputListener != null) {
              for (OutputMessage msg : output) {
                this.outputListener.onOutput(msg.message(), msg.error());
              }
            }
          }

          if (Redirect.PIPE == processMode.getRedirectError()) {
            errFut.get();
            if (this.outputListener != null) {
              for (OutputMessage msg : output) {
                this.outputListener.onOutput(msg.message(), msg.error());
              }
            }
          }
        }

        int exitCode;

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

        List<OutputMessage> finalOutput = new ArrayList<>(output);
        boolean success = this.exitCodeAcceptor.test(exitCode);
        ProcessResult result = new ProcessResultImpl(this.executable.getFileName().toString(), command, exitCode, success, finalOutput);

        performLogging(result, exitCode, interpreter);

        return result;
      } finally {
        if (!processMode.isBackground()) {
          process.destroy();
        }
      }
    } 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}.
   * @param errorStream to identify if the output came from stdout or stderr
   * @return {@link CompletableFuture}.
   */
  private static CompletableFuture<Void> readInputStream(InputStream is, boolean errorStream, ConcurrentLinkedQueue<OutputMessage> outputMessages) {

    return CompletableFuture.supplyAsync(() -> {

      try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {

        String line;
        while ((line = br.readLine()) != null) {
          OutputMessage outputMessage = new OutputMessage(errorStream, line);
          outputMessages.add(outputMessage);
        }

        return null;
      } catch (Throwable e) {
        throw new RuntimeException("There was a problem while executing the program", e);
      }
    });
  }

  private String createCommand() {
    String cmd = this.executable.toString();
    StringBuilder sb = new StringBuilder(cmd.length() + this.arguments.size() * 4);
    sb.append(cmd);
    for (String arg : this.arguments) {
      sb.append(' ');
      sb.append(arg);
    }
    return sb.toString();
  }

  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(List<String> args) {

    String interpreter = null;
    String fileExtension = FilenameUtil.getExtension(this.executable.getFileName().toString());
    boolean isBashScript = "sh".equals(fileExtension);
    this.context.getFileAccess().makeExecutable(this.executable, true);
    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().toString());
    }
    if ("msi".equalsIgnoreCase(fileExtension)) {
      args.add(0, "/i");
      args.add(0, "msiexec");
    }
    args.add(this.executable.toString());
    return interpreter;
  }

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

    if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {
      IdeLogLevel ideLogLevel = this.errorHandling.getLogLevel();
      String message = createCommandMessage(interpreter, "\nfailed with exit code " + exitCode + "!");

      context.level(ideLogLevel).log(message);
      result.log(ideLogLevel, context);

      if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {
        throw new CliProcessException(message, result);
      } else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {
        throw new IllegalStateException(message);
      }
    }
  }

  private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {

    assert processMode.isBackground() : "Cannot handle non background process mode!";

    Path 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.toString());
    this.arguments.add("-c");
    commandToRunInBackground += " & disown";
    this.arguments.add(commandToRunInBackground);

  }

  private void applyRedirects(ProcessMode processMode) {

    Redirect output = processMode.getRedirectOutput();
    Redirect error = processMode.getRedirectError();
    Redirect input = processMode.getRedirectInput();

    if (output != null) {
      this.processBuilder.redirectOutput(output);
    }
    if (error != null) {
      this.processBuilder.redirectError(error);
    }
    if (input != null) {
      this.processBuilder.redirectInput(input);
    }
  }

  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.concurrent.ConcurrentLinkedQueue;
17	import java.util.function.Predicate;
18	import java.util.stream.Collectors;
19
20	import com.devonfw.tools.ide.cli.CliProcessException;
21	import com.devonfw.tools.ide.common.SystemPath;
22	import com.devonfw.tools.ide.context.IdeContext;
23	import com.devonfw.tools.ide.environment.VariableLine;
24	import com.devonfw.tools.ide.log.IdeLogLevel;
25	import com.devonfw.tools.ide.os.SystemInfoImpl;
26	import com.devonfw.tools.ide.os.WindowsPathSyntax;
27	import com.devonfw.tools.ide.util.FilenameUtil;
28	import com.devonfw.tools.ide.variable.IdeVariables;
29
30	/**
31	* Implementation of {@link ProcessContext}.
32	*/
33	public class ProcessContextImpl implements ProcessContext {
34
35	private static final String PREFIX_USR_BIN_ENV = "/usr/bin/env ";
36	private static final Predicate<Integer> EXIT_CODE_ACCEPTOR = rc -> rc == ProcessResult.SUCCESS;	10✔
37
38	/** The owning {@link IdeContext}. */
39	protected final IdeContext context;
40
41	private final ProcessBuilder processBuilder;
42
43	protected final List<String> arguments;
44
45	protected Path executable;
46
47	private String overriddenPath;
48
49	private final List<Path> extraPathEntries;
50
51	private ProcessErrorHandling errorHandling;
52
53	private OutputListener outputListener;
54
55	private Predicate<Integer> exitCodeAcceptor;
56
57	/**
58	* The constructor.
59	*
60	* @param context the owning {@link IdeContext}.
61	*/
62	public ProcessContextImpl(IdeContext context) {
63
64	super();	2✔
65	this.context = context;	3✔
66	this.processBuilder = new ProcessBuilder();	7✔
67	this.errorHandling = ProcessErrorHandling.THROW_ERR;	3✔
68	Map<String, String> environment = this.processBuilder.environment();	4✔
69	for (VariableLine var : this.context.getVariables().collectExportedVariables()) {	13✔
70	if (var.isExport()) {	3!
71	environment.put(var.getName(), var.getValue());	7✔
72	}
73	}	1✔
74	this.arguments = new ArrayList<>();	5✔
75	this.extraPathEntries = new ArrayList<>();	5✔
76	this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;	3✔
77	}	1✔
78
79	private ProcessContextImpl(ProcessContextImpl parent) {
80
81	super();	×
82	this.context = parent.context;	×
83	this.processBuilder = parent.processBuilder;	×
84	this.errorHandling = ProcessErrorHandling.THROW_ERR;	×
85	this.arguments = new ArrayList<>();	×
86	this.extraPathEntries = parent.extraPathEntries;	×
87	this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;	×
88	}	×
89
90	@Override
91	public ProcessContext errorHandling(ProcessErrorHandling handling) {
92
93	Objects.requireNonNull(handling);	3✔
94	this.errorHandling = handling;	3✔
95	return this;	2✔
96	}
97
98	@Override
99	public ProcessContext directory(Path directory) {
100
101	if (directory != null) {	2!
102	this.processBuilder.directory(directory.toFile());	7✔
103	} else {
104	this.context.debug(	×
105	"Could not set the process builder's working directory! Directory of the current java process is used.");
106	}
107
108	return this;	2✔
109	}
110
111	@Override
112	public ProcessContext executable(Path command) {
113
114	if (!this.arguments.isEmpty()) {	4!
115	throw new IllegalStateException("Arguments already present - did you forget to call run for previous call?");	×
116	}
117
118	this.executable = command;	3✔
119	return this;	2✔
120	}
121
122	@Override
123	public ProcessContext addArg(String arg) {
124
125	this.arguments.add(arg);	5✔
126	return this;	2✔
127	}
128
129	@Override
130	public ProcessContext withEnvVar(String key, String value) {
131
132	if (IdeVariables.PATH.getName().equals(key)) {	5!
133	this.overriddenPath = value;	×
134	} else {
135	this.context.trace("Setting process environment variable {}={}", key, value);	14✔
136	this.processBuilder.environment().put(key, value);	7✔
137	}
138	return this;	2✔
139	}
140
141	@Override
142	public ProcessContext withPathEntry(Path path) {
143
144	this.extraPathEntries.add(path);	5✔
145	return this;	2✔
146	}
147
148	@Override
149	public ProcessContext withExitCodeAcceptor(Predicate<Integer> exitCodeAcceptor) {
150
151	this.exitCodeAcceptor = exitCodeAcceptor;	3✔
152	return this;	2✔
153	}
154
155	@Override
156	public ProcessContext createChild() {
157
158	return new ProcessContextImpl(this);	×
159	}
160
161	@Override
162	public void setOutputListener(OutputListener listener) {
163	this.outputListener = listener;	3✔
164	}	1✔
165
166	@Override
167	public ProcessResult run(ProcessMode processMode) {
168
169	if (this.executable == null) {	3✔
170	throw new IllegalStateException("Missing executable to run process!");	5✔
171	}
172
173	SystemPath systemPath = this.context.getPath();	4✔
174	if ((this.overriddenPath != null) \|\| !this.extraPathEntries.isEmpty()) {	7!
175	systemPath = systemPath.withPath(this.overriddenPath, this.extraPathEntries);	7✔
176	}
177	String path = systemPath.toString();	3✔
178	this.context.trace("Setting PATH for process execution of {} to {}", this.executable.getFileName(), path);	16✔
179	this.executable = systemPath.findBinary(this.executable);	6✔
180	this.processBuilder.environment().put(IdeVariables.PATH.getName(), path);	8✔
181	List<String> args = new ArrayList<>(this.arguments.size() + 4);	9✔
182	String interpreter = addExecutable(args);	4✔
183	args.addAll(this.arguments);	5✔
184	String command = createCommand();	3✔
185	if (this.context.debug().isEnabled()) {	5!
186	String message = createCommandMessage(interpreter, " ...");	5✔
187	this.context.debug(message);	4✔
188	}
189
190	try {
191	applyRedirects(processMode);	3✔
192	if (processMode.isBackground()) {	3✔
193	modifyArgumentsOnBackgroundProcess(processMode);	3✔
194	}
195
196	this.processBuilder.command(args);	5✔
197
198	ConcurrentLinkedQueue<OutputMessage> output = new ConcurrentLinkedQueue<>();	4✔
199
200	Process process = this.processBuilder.start();	4✔
201
202	try {
203	if (Redirect.PIPE == processMode.getRedirectOutput() \|\| Redirect.PIPE == processMode.getRedirectError()) {	8!
204	CompletableFuture<Void> outFut = readInputStream(process.getInputStream(), false, output);	6✔
205	CompletableFuture<Void> errFut = readInputStream(process.getErrorStream(), true, output);	6✔
206	if (Redirect.PIPE == processMode.getRedirectOutput()) {	4!
207	outFut.get();	3✔
208	if (this.outputListener != null) {	3✔
209	for (OutputMessage msg : output) {	10✔
210	this.outputListener.onOutput(msg.message(), msg.error());	7✔
211	}	1✔
212	}
213	}
214
215	if (Redirect.PIPE == processMode.getRedirectError()) {	4!
216	errFut.get();	3✔
217	if (this.outputListener != null) {	3✔
218	for (OutputMessage msg : output) {	10✔
219	this.outputListener.onOutput(msg.message(), msg.error());	7✔
220	}	1✔
221	}
222	}
223	}
224
225	int exitCode;
226
227	if (processMode.isBackground()) {	3✔
228	exitCode = ProcessResult.SUCCESS;	3✔
229	} else {
230	exitCode = process.waitFor();	3✔
231	}
232
233	List<OutputMessage> finalOutput = new ArrayList<>(output);	5✔
234	boolean success = this.exitCodeAcceptor.test(exitCode);	6✔
235	ProcessResult result = new ProcessResultImpl(this.executable.getFileName().toString(), command, exitCode, success, finalOutput);	12✔
236
237	performLogging(result, exitCode, interpreter);	5✔
238
239	return result;	4✔
240	} finally {
241	if (!processMode.isBackground()) {	3✔
242	process.destroy();	2✔
243	}
244	}
245	} catch (CliProcessException \| IllegalStateException e) {	1✔
246	// these exceptions are thrown from performLogOnError and we do not want to wrap them (see #593)
247	throw e;	2✔
248	} catch (Exception e) {	1✔
249	String msg = e.getMessage();	3✔
250	if ((msg == null) \|\| msg.isEmpty()) {	5!
251	msg = e.getClass().getSimpleName();	×
252	}
253	throw new IllegalStateException(createCommandMessage(interpreter, " failed: " + msg), e);	10✔
254	} finally {
255	this.arguments.clear();	3✔
256	}
257	}
258
259	/**
260	* Asynchronously and parallel reads {@link InputStream input stream} and stores it in {@link CompletableFuture}. Inspired by: <a href=
261	* "https://stackoverflow.com/questions/14165517/processbuilder-forwarding-stdout-and-stderr-of-started-processes-without-blocki/57483714#57483714">StackOverflow</a>
262	*
263	* @param is {@link InputStream}.
264	* @param errorStream to identify if the output came from stdout or stderr
265	* @return {@link CompletableFuture}.
266	*/
267	private static CompletableFuture<Void> readInputStream(InputStream is, boolean errorStream, ConcurrentLinkedQueue<OutputMessage> outputMessages) {
268
269	return CompletableFuture.supplyAsync(() -> {	6✔
270
271	try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {	10✔
272
273	String line;
274	while ((line = br.readLine()) != null) {	5✔
275	OutputMessage outputMessage = new OutputMessage(errorStream, line);	6✔
276	outputMessages.add(outputMessage);	4✔
277	}	1✔
278
279	return null;	4✔
280	} catch (Throwable e) {	1✔
281	throw new RuntimeException("There was a problem while executing the program", e);	6✔
282	}
283	});
284	}
285
286	private String createCommand() {
287	String cmd = this.executable.toString();	4✔
288	StringBuilder sb = new StringBuilder(cmd.length() + this.arguments.size() * 4);	12✔
289	sb.append(cmd);	4✔
290	for (String arg : this.arguments) {	11✔
291	sb.append(' ');	4✔
292	sb.append(arg);	4✔
293	}	1✔
294	return sb.toString();	3✔
295	}
296
297	private String createCommandMessage(String interpreter, String suffix) {
298
299	StringBuilder sb = new StringBuilder();	4✔
300	sb.append("Running command '");	4✔
301	sb.append(this.executable);	5✔
302	sb.append("'");	4✔
303	if (interpreter != null) {	2✔
304	sb.append(" using ");	4✔
305	sb.append(interpreter);	4✔
306	}
307	int size = this.arguments.size();	4✔
308	if (size > 0) {	2✔
309	sb.append(" with arguments");	4✔
310	for (int i = 0; i < size; i++) {	7✔
311	String arg = this.arguments.get(i);	6✔
312	sb.append(" '");	4✔
313	sb.append(arg);	4✔
314	sb.append("'");	4✔
315	}
316	}
317	sb.append(suffix);	4✔
318	return sb.toString();	3✔
319	}
320
321	private String getSheBang(Path file) {
322
323	try (InputStream in = Files.newInputStream(file)) {	5✔
324	// "#!/usr/bin/env bash".length() = 19
325	byte[] buffer = new byte[32];	3✔
326	int read = in.read(buffer);	4✔
327	if ((read > 2) && (buffer[0] == '#') && (buffer[1] == '!')) {	13!
328	int start = 2;	2✔
329	int end = 2;	2✔
330	while (end < read) {	3!
331	byte c = buffer[end];	4✔
332	if ((c == '\n') \|\| (c == '\r') \|\| (c > 127)) {	9!
333	break;	×
334	} else if ((end == start) && (c == ' ')) {	6!
335	start++;	×
336	}
337	end++;	1✔
338	}	1✔
339	String sheBang = new String(buffer, start, end - start, StandardCharsets.US_ASCII).trim();	11✔
340	if (sheBang.startsWith(PREFIX_USR_BIN_ENV)) {	4!
341	sheBang = sheBang.substring(PREFIX_USR_BIN_ENV.length());	×
342	}
343	return sheBang;	4✔
344	}
345	} catch (IOException e) {	5!
346	// ignore...
347	}	1✔
348	return null;	2✔
349	}
350
351	private String addExecutable(List<String> args) {
352
353	String interpreter = null;	2✔
354	String fileExtension = FilenameUtil.getExtension(this.executable.getFileName().toString());	6✔
355	boolean isBashScript = "sh".equals(fileExtension);	4✔
356	this.context.getFileAccess().makeExecutable(this.executable, true);	7✔
357	if (!isBashScript) {	2✔
358	String sheBang = getSheBang(this.executable);	5✔
359	if (sheBang != null) {	2✔
360	String cmd = sheBang;	2✔
361	int lastSlash = cmd.lastIndexOf('/');	4✔
362	if (lastSlash >= 0) {	2!
363	cmd = cmd.substring(lastSlash + 1);	6✔
364	}
365	if (cmd.equals("bash")) {	4!
366	isBashScript = true;	2✔
367	} else {
368	// currently we do not support other interpreters...
369	}
370	}
371	}
372	if (isBashScript) {	2✔
373	interpreter = "bash";	2✔
374	args.add(this.context.findBashRequired().toString());	7✔
375	}
376	if ("msi".equalsIgnoreCase(fileExtension)) {	4!
377	args.add(0, "/i");	×
378	args.add(0, "msiexec");	×
379	}
380	args.add(this.executable.toString());	6✔
381	return interpreter;	2✔
382	}
383
384	private void performLogging(ProcessResult result, int exitCode, String interpreter) {
385
386	if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {	7!
387	IdeLogLevel ideLogLevel = this.errorHandling.getLogLevel();	4✔
388	String message = createCommandMessage(interpreter, "\nfailed with exit code " + exitCode + "!");	6✔
389
390	context.level(ideLogLevel).log(message);	6✔
391	result.log(ideLogLevel, context);	5✔
392
393	if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {	4!
394	throw new CliProcessException(message, result);	×
395	} else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {	4✔
396	throw new IllegalStateException(message);	5✔
397	}
398	}
399	}	1✔
400
401	private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {
402
403	assert processMode.isBackground() : "Cannot handle non background process mode!";	4!
404
405	Path bash = this.context.findBash();	4✔
406	if (bash == null) {	2!
407	this.context.warning(	×
408	"Cannot start background process via bash because no bash installation was found. Hence, output will be discarded.");
409	this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);	×
410	return;	×
411	}
412
413	String commandToRunInBackground = buildCommandToRunInBackground();	3✔
414
415	this.arguments.clear();	3✔
416	this.arguments.add(bash.toString());	6✔
417	this.arguments.add("-c");	5✔
418	commandToRunInBackground += " & disown";	3✔
419	this.arguments.add(commandToRunInBackground);	5✔
420
421	}	1✔
422
423	private void applyRedirects(ProcessMode processMode) {
424
425	Redirect output = processMode.getRedirectOutput();	3✔
426	Redirect error = processMode.getRedirectError();	3✔
427	Redirect input = processMode.getRedirectInput();	3✔
428
429	if (output != null) {	2!
430	this.processBuilder.redirectOutput(output);	5✔
431	}
432	if (error != null) {	2!
433	this.processBuilder.redirectError(error);	5✔
434	}
435	if (input != null) {	2✔
436	this.processBuilder.redirectInput(input);	5✔
437	}
438	}	1✔
439
440	private String buildCommandToRunInBackground() {
441
442	if (this.context.getSystemInfo().isWindows()) {	5!
443
444	StringBuilder stringBuilder = new StringBuilder();	×
445
446	for (String argument : this.arguments) {	×
447
448	if (SystemInfoImpl.INSTANCE.isWindows() && SystemPath.isValidWindowsPath(argument)) {	×
449	argument = WindowsPathSyntax.MSYS.normalize(argument);	×
450	}
451
452	stringBuilder.append(argument);	×
453	stringBuilder.append(" ");	×
454	}	×
455	return stringBuilder.toString().trim();	×
456	} else {
457	return this.arguments.stream().map(Object::toString).collect(Collectors.joining(" "));	10✔
458	}
459	}
460	}

devonfw / IDEasy / 21174441650

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