hashmap: add string interning API

diff --git a/Documentation/gitweb.conf.txt b/Documentation/gitweb.conf.txt
index e2113d93c9d34aa0af3fd421d5f6ed9bf01ad896..ebe7a6c24cfef75441906a3e4de550b9fd296c0b 100644 (file)
--- a/Documentation/gitweb.conf.txt
+++ b/Documentation/gitweb.conf.txt
@@ -630,13 +630,13 @@ need to set this element to empty list i.e. `[]`.
 
 override::
        If this field has a true value then the given feature is
-       overriddable, which means that it can be configured
+       overridable, which means that it can be configured
        (or enabled/disabled) on a per-repository basis.
 +
 Usually given "<feature>" is configurable via the `gitweb.<feature>`
 config variable in the per-repository Git configuration file.
 +
-*Note* that no feature is overriddable by default.
+*Note* that no feature is overridable by default.
 
 sub::
        Internal detail of implementation.  What is important is that
@@ -849,6 +849,43 @@ time zones in the form of "+/-HHMM", such as "+0200".
 +
 Project specific override is not supported.
 
+extra-branch-refs::
+       List of additional directories under "refs" which are going to
+       be used as branch refs. For example if you have a gerrit setup
+       where all branches under refs/heads/ are official,
+       push-after-review ones and branches under refs/sandbox/,
+       refs/wip and refs/other are user ones where permissions are
+       much wider, then you might want to set this variable as
+       follows:
++
+--------------------------------------------------------------------------------
+$feature{'extra-branch-refs'}{'default'} =
+       ['sandbox', 'wip', 'other'];
+--------------------------------------------------------------------------------
++
+This feature can be configured on per-repository basis after setting
+$feature{'extra-branch-refs'}{'override'} to true, via repository's
+`gitweb.extraBranchRefs` configuration variable, which contains a
+space separated list of refs. An example:
++
+--------------------------------------------------------------------------------
+[gitweb]
+       extraBranchRefs = sandbox wip other
+--------------------------------------------------------------------------------
++
+The gitweb.extraBranchRefs is actually a multi-valued configuration
+variable, so following example is also correct and the result is the
+same as of the snippet above:
++
+--------------------------------------------------------------------------------
+[gitweb]
+       extraBranchRefs = sandbox
+       extraBranchRefs = wip other
+--------------------------------------------------------------------------------
++
+It is an error to specify a ref that does not pass "git check-ref-format"
+scrutiny. Duplicated values are filtered.
+
 
 EXAMPLES
 --------
@@ -867,7 +904,7 @@ the following in your GITWEB_CONFIG file:
        $feature{'snapshot'}{'override'} = 1;
 
 If you allow overriding for the snapshot feature, you can specify which
-snapshot formats are globally disabled. You can also add any command line
+snapshot formats are globally disabled. You can also add any command-line
 options you want (such as setting the compression level). For instance, you
 can disable Zip compressed snapshots and set *gzip*(1) to run at level 6 by
 adding the following lines to your gitweb configuration file: