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VIVO-29 Obtain revisión info from Git

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Subversion is no longer relevant.
This commit is contained in:
j2blake 2013-08-26 17:37:32 -04:00
parent e2b5c71874
commit dcda958d8d
2 changed files with 253 additions and 353 deletions
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123
utilities/buildutils/src/edu/cornell/mannlib/vitro/utilities/revisioninfo/InfoResponseParser.java
View file

@ -1,123 +0,0 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.utilities.revisioninfo;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Parse the response that we got from SVN info.
*
* Not thread-safe.
*/
public class InfoResponseParser {
private static final Pattern URL_PATTERN = Pattern.compile("URL: (\\S+)");
private static final Pattern ROOT_PATTERN = Pattern
.compile("Repository Root: (\\S+)");
private static final String TRUNK_PREFIX = "/trunk";
private static final String TAGS_PREFIX = "/tags/";
private static final String BRANCHES_PREFIX = "/branches/";
private final String infoResponse;
private String path;
public InfoResponseParser(String infoResponse) {
this.infoResponse = infoResponse;
}
public String parse() {
try {
path = figurePath();
if (isTrunkPath()) {
return "trunk";
} else if (isTagPath()) {
return "tag " + getTagName();
} else if (isBranchPath()) {
return "branch " + getBranchName();
} else {
return null;
}
} catch (Exception e) {
System.err.println(e);
return null;
}
}
private String figurePath() throws Exception {
if (infoResponse == null) {
throw new Exception("infoResponse is null.");
}
String url = getUrlFromResponse();
String root = getRootFromResponse();
if (!url.startsWith(root)) {
throw new Exception("url doesn't start with root.");
}
return url.substring(root.length());
}
private String getUrlFromResponse() throws Exception {
return findNonEmptyMatch(URL_PATTERN, 1);
}
private String getRootFromResponse() throws Exception {
return findNonEmptyMatch(ROOT_PATTERN, 1);
}
private String findNonEmptyMatch(Pattern pattern, int groupIndex)
throws Exception {
Matcher matcher = pattern.matcher(infoResponse);
if (!matcher.find()) {
throw new Exception("no match with '" + pattern + "'. Is your Subversion client out of date?");
}
String value = matcher.group(groupIndex);
if ((value == null) || (value.isEmpty())) {
throw new Exception("match with '" + pattern + "' is empty.");
}
return value;
}
private boolean isTrunkPath() {
return path.startsWith(TRUNK_PREFIX);
}
private boolean isTagPath() {
return path.startsWith(TAGS_PREFIX);
}
private String getTagName() {
return getFirstLevel(discardPrefix(path, TAGS_PREFIX));
}
private boolean isBranchPath() {
return path.startsWith(BRANCHES_PREFIX);
}
private String getBranchName() {
return getFirstLevel(discardPrefix(path, BRANCHES_PREFIX));
}
private String discardPrefix(String string, String prefix) {
if (string.length() < prefix.length()) {
return "";
} else {
return string.substring(prefix.length());
}
}
private String getFirstLevel(String string) {
int slashHere = string.indexOf('/');
if (slashHere == -1) {
return string;
} else {
return string.substring(0, slashHere);
}
}
}

75
utilities/buildutils/src/edu/cornell/mannlib/vitro/utilities/revisioninfo/RevisionInfoBuilder.java
View file

@ -18,13 +18,13 @@ import edu.cornell.mannlib.vitro.utilities.revisioninfo.ProcessRunner.ProcessExc
* Get release and revision information to display on screen. Put this * Get release and revision information to display on screen. Put this
* information into a single line and append it to the specified file. * information into a single line and append it to the specified file.
* *
* Ask Subversion for the information. If Subversion is available, and if this * Ask Git for the information. If Git is available, and if this is a working
* is a working directory, then we can build the info from the responses we get * directory, then we can build the info from the responses we get from
* from "svn info" and "svnversion". * "git describe", "git symbolic-ref" and "git log".
* *
* If that doesn't work, read the information from the "revisionInfo" file in * If that doesn't work, read the information from the "revisionInfo" file in
* the product directory. Presumably, that file was created when the source was * the product directory. Presumably, that file was created when the source was
* exported from Subversion. * exported from Git.
* *
* If that doesn't work either, return something like this: * If that doesn't work either, return something like this:
* "productName ~ unknown ~ unknown" * "productName ~ unknown ~ unknown"
@ -53,14 +53,18 @@ public class RevisionInfoBuilder {
this.infoLine = infoLine; this.infoLine = infoLine;
} }
@Override
public String toString() { public String toString() {
return message + ": " + infoLine; return message + ": " + infoLine;
} }
} }
private static final String SVN_DIRECTORY_NAME = ".svn"; private static final String GIT_DIRECTORY_NAME = ".git";
private static final String[] SVNVERSION_COMMAND = { "svnversion", "." }; private static final String[] GIT_DESCRIBE_COMMAND = { "git", "describe" };
private static final String[] SVN_INFO_COMMAND = { "svn", "info" }; private static final String[] GIT_SREF_COMMAND = { "git", "symbolic-ref",
"HEAD" };
private static final String[] GIT_LOG_COMMAND = { "git", "log",
"--pretty=format:%h", "-1" };
private static final String INFO_LINE_DELIMITER = " ~ "; private static final String INFO_LINE_DELIMITER = " ~ ";
private static final String REVISION_INFO_FILENAME = "revisionInfo"; private static final String REVISION_INFO_FILENAME = "revisionInfo";
@ -95,7 +99,7 @@ public class RevisionInfoBuilder {
} }
private void buildInfo() { private void buildInfo() {
results = buildInfoFromSubversion(); results = buildInfoFromGit();
if (results == null) { if (results == null) {
results = buildInfoFromFile(); results = buildInfoFromFile();
} }
@ -104,40 +108,58 @@ public class RevisionInfoBuilder {
} }
} }
private Results buildInfoFromSubversion() { private Results buildInfoFromGit() {
if (!isThisASubversionWorkspace()) { if (!isThisAGitWorkspace()) {
System.out.println("Not a Subversion workspace"); System.out.println("Not a git workspace");
return null; return null;
} }
String release = assembleReleaseNameFromSubversion(); String release = assembleReleaseNameFromGit();
if (release == null) { if (release == null) {
System.out.println("Couldn't get release name from Subversion"); System.out.println("Couldn't get release name from Git");
return null;
} }
String revision = obtainRevisionLevelFromSubversion(); String revision = obtainCommitIdFromGit();
if (revision == null) { if (revision == null) {
System.out.println("Couldn't get revision level from Subversion"); System.out.println("Couldn't get commit ID from Git");
}
if ((revision == null) && (release == null)) {
return null; return null;
} }
return new Results("Info from Subversion", buildLine(release, revision)); return new Results("Info from Git", buildLine(release, revision));
} }
private boolean isThisASubversionWorkspace() { private boolean isThisAGitWorkspace() {
File svnDirectory = new File(productDirectory, SVN_DIRECTORY_NAME); File gitDirectory = new File(productDirectory, GIT_DIRECTORY_NAME);
return svnDirectory.isDirectory(); return gitDirectory.isDirectory();
} }
private String assembleReleaseNameFromSubversion() { private String assembleReleaseNameFromGit() {
String infoResponse = runSubProcess(SVN_INFO_COMMAND); String describeResponse = runSubProcess(GIT_DESCRIBE_COMMAND);
return new InfoResponseParser(infoResponse).parse(); String srefResponse = runSubProcess(GIT_SREF_COMMAND);
return parseReleaseName(describeResponse, srefResponse);
} }
private String obtainRevisionLevelFromSubversion() { private String obtainCommitIdFromGit() {
String response = runSubProcess(SVNVERSION_COMMAND); String logResponse = runSubProcess(GIT_LOG_COMMAND);
return (response == null) ? null : response.trim(); return parseLogResponse(logResponse);
}
private String parseReleaseName(String describeResponse, String srefResponse) {
if (describeResponse != null) {
return describeResponse.trim() + " tag";
} else if (srefResponse != null) {
return srefResponse.substring(srefResponse.lastIndexOf('/') + 1)
.trim() + " branch";
} else {
return null;
}
}
private String parseLogResponse(String logResponse) {
return logResponse;
} }
private String runSubProcess(String[] cmdArray) { private String runSubProcess(String[] cmdArray) {
@ -158,6 +180,7 @@ public class RevisionInfoBuilder {
// System.err.println(command + " response was '" + output + "'"); // System.err.println(command + " response was '" + output + "'");
return output; return output;
} catch (ProcessException e) { } catch (ProcessException e) {
// System.out.println(e);
return null; return null;
} }
} }