Include roottree and file in the GitWebConfig.

Change-Id: Ia33da71d36346a13b0993fef87cd86de3ffdc560

Documentation/config-gerrit.txt

@@ -1462,6 +1462,25 @@ at a specific branch when `custom` is used above.
 Valid replacements are `${project}` for the project name in Gerrit
 and `${branch}` for the name of the branch.
 
+[[gitweb.roottree]]gitweb.roottree::
++
+Optional pattern to use for constructing the gitweb URL when pointing
+at the contents of the root tree in a specific commit when `custom` is
+used above.
++
+Valid replacements are `${project}` for the project name in Gerrit
+and `${commit}` for the SHA1 hash for the commit.
+
+[[gitweb.file]]gitweb.file::
++
+Optional pattern to use for constructing the gitweb URL when pointing
+at the contents of a file in a specific commit when `custom` is used
+above.
++
+Valid replacements are `${project}` for the project name in Gerrit,
+`${file}` for the file name and `${commit}` for the SHA1 hash for
+the commit.
+
 [[gitweb.filehistory]]gitweb.filehistory::
 +
 Optional pattern to use for constructing the gitweb URL when pointing

Documentation/config-gitweb.txt

@@ -245,6 +245,8 @@ $ git config -f $site_path/etc/gerrit.config gitweb.type custom
 $ git config -f $site_path/etc/gerrit.config gitweb.project ?p=\${project}\;a=summary
 $ git config -f $site_path/etc/gerrit.config gitweb.revision ?p=\${project}\;a=commit\;h=\${commit}
 $ git config -f $site_path/etc/gerrit.config gitweb.branch ?p=\${project}\;a=shortlog\;h=\${branch}
+$ git config -f $site_path/etc/gerrit.config gitweb.roottree ?p=\${project}\;a=tree\;hb=\${commit}
+$ git config -f $site_path/etc/gerrit.config gitweb.file ?p=\${project}\;hb=\${commit}\;f=\${file}
 $ git config -f $site_path/etc/gerrit.config gitweb.filehistory ?p=\${project}\;a=history\;hb=\${branch}\;f=\${file}
 ----
 
@@ -252,8 +254,9 @@ After updating `'$site_path'/etc/gerrit.config`, the Gerrit server must
 be restarted and clients must reload the host page to see the change.
 
 Note that when using a custom gitweb configuration, values must be
-specified for all of the `project`, `revision`, `branch` and `filehistory`
+specified for all of the `project`, `revision`, `branch`, `roottree`,
-settings, otherwise the configuration will not be used.
+`file`, and `filehistory` settings, otherwise the configuration will
+not be used.
 
 Access Control
 ++++++++++++++

gerrit-httpd/src/main/java/com/google/gerrit/httpd/GitWebConfig.java

@@ -54,6 +54,8 @@ public class GitWebConfig {
     type.setBranch(cfg.getString("gitweb", null, "branch"));
     type.setProject(cfg.getString("gitweb", null, "project"));
     type.setRevision(cfg.getString("gitweb", null, "revision"));
+    type.setRootTree(cfg.getString("gitweb", null, "roottree"));
+    type.setFile(cfg.getString("gitweb", null, "file"));
     type.setFileHistory(cfg.getString("gitweb", null, "filehistory"));
     type.setLinkDrafts(cfg.getBoolean("gitweb", null, "linkdrafts", true));
     type.setUrlEncode(cfg.getBoolean("gitweb", null, "urlencode", true));
@@ -80,6 +82,12 @@ public class GitWebConfig {
     } else if (type.getRevision() == null) {
       log.warn("No Pattern specified for gitweb.revision, disabling.");
       type = null;
+    } else if (type.getRootTree() == null) {
+      log.warn("No Pattern specified for gitweb.roottree, disabling.");
+      type = null;
+    } else if (type.getFile() == null) {
+      log.warn("No Pattern specified for gitweb.file, disabling.");
+      type = null;
     } else if (type.getFileHistory() == null) {
       log.warn("No Pattern specified for gitweb.filehistory, disabling.");
       type = null;