added session.hg and session.vcs macros

 * session.hg sets up the buffer session in the current
   Mercurial repository
 * session.vcs is a convenience macro that may be used in
   profiles to enable buffer sessions per repo for all supported
   VCS (Git, Hg and SVN)

3 files changed, 23 insertions, 4 deletions

diff --git a/doc/sciteco.1.in b/doc/sciteco.1.in
index 2cfd7ec..7e3b0c3 100644
--- a/doc/sciteco.1.in
+++ b/doc/sciteco.1.in
@@ -192,8 +192,9 @@ These files can be ignored by version control systems, etc.
 Macro storing the default buffer session.
 This is not written by \*(ST itself, but by the
 standard library \fBsession.tes\fP macros.
-When the \(lqsession.git\(rq macro is used, these files
-will also be created in the roots of Git repositories.
+When the \(lqsession.vcs\(rq macro is used, these files
+will also be created in the roots of Git, Mercurial and
+Subversion repositories or working copies.
 .
 .
 .SH BUGS
diff --git a/lib/session.tes b/lib/session.tes
index 455eaa7..697c350 100644
--- a/lib/session.tes
+++ b/lib/session.tes
@@ -45,6 +45,16 @@ EU[session.path]Q[$SCITECOCONFIG]/.teco_session
 }
 
 ! Call to set up the session path unique to the
+  Mercurial repository of the current working directory.
+  This requires the Mercurial command-line client in $PATH. !
+@[session.hg]{
+  ! if there is no Hg repository, session.path is left as it is !
+  :EG[session.path]hg root"S
+    [* EQ[session.path] ZJ -D I/.teco_session ]*
+  '
+}
+
+! Call to set up the session path unique to the
   SVN working copy containing the current working directory.
   Requires the SVN client v1.7 or later in $PATH. !
 @[session.svn]{
@@ -56,3 +66,12 @@ EU[session.path]Q[$SCITECOCONFIG]/.teco_session
     '
   ]* '
 }
+
+! Call to set up the session path unique to the
+  repository/working copy containing the current working directory
+  (see above). !
+@[session.vcs]{
+  M[session.git]
+  M[session.hg]
+  M[session.svn]
+}
diff --git a/sample.teco_ini b/sample.teco_ini
index b53362d..adc37ab 100644
--- a/sample.teco_ini
+++ b/sample.teco_ini
@@ -46,8 +46,7 @@ EMQ[$SCITECOPATH]/fnkeys.tes
 Z"=
   ! Uncomment to use a separate session per VCS repository or
     working copy (see session.tes): !
-  ! M[session.git] !
-  ! M[session.svn] !
+  ! M[session.vcs] !
   M[session.load]
 |
   [session.path] ! disables session saving !