Sync with v2.12.3

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/RelNotes/2.10.3.txt

@@ -45,4 +45,11 @@ Fixes since v2.10.2
  * Improve the rule to convert "unsigned char [20]" into "struct
    object_id *" in contrib/coccinelle/
 
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").
+
 Also contains minor documentation updates and code clean-ups.

Documentation/RelNotes/2.11.2.txt

@@ -0,0 +1,12 @@
+Git v2.11.2 Release Notes
+=========================
+
+Fixes since v2.11.1
+-------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").

Documentation/RelNotes/2.12.3.txt

@@ -54,4 +54,11 @@ Fixes since v2.12.2
    turn revealed incorrect expectations the tests make. These tests
    have been updated.
 
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").
+
 Also contains various documentation updates and code clean-ups.

Documentation/RelNotes/2.4.12.txt

@@ -0,0 +1,12 @@
+Git v2.4.12 Release Notes
+=========================
+
+Fixes since v2.4.11
+-------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").

Documentation/RelNotes/2.5.6.txt

@@ -0,0 +1,12 @@
+Git v2.5.6 Release Notes
+========================
+
+Fixes since v2.5.5
+------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").

Documentation/RelNotes/2.6.7.txt

@@ -0,0 +1,12 @@
+Git v2.6.7 Release Notes
+========================
+
+Fixes since v2.6.6
+------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").

Documentation/RelNotes/2.7.5.txt

@@ -0,0 +1,14 @@
+Git v2.7.5 Release Notes
+========================
+
+Fixes since v2.7.4
+------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").
+
+Also contains a few fixes backported from later development tracks.

Documentation/RelNotes/2.8.5.txt

@@ -0,0 +1,12 @@
+Git v2.8.5 Release Notes
+========================
+
+Fixes since v2.8.4
+------------------
+
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").

Documentation/RelNotes/2.9.4.txt

@@ -80,4 +80,11 @@ Fixes since v2.9.3
    the file descriptor still open.  Open tempfile with O_CLOEXEC flag
    to avoid this (on Windows, this is mapped to O_NOINHERIT).
 
+ * "git-shell" rejects a request to serve a repository whose name
+   begins with a dash, which makes it no longer possible to get it
+   confused into spawning service programs like "git-upload-pack" with
+   an option like "--help", which in turn would spawn an interactive
+   pager, instead of working with the repository user asked to access
+   (i.e. the one whose name is "--help").
+
 Also contains minor documentation updates and code clean-ups.

Documentation/git.txt

@@ -44,54 +44,62 @@ unreleased) version of Git, that is available from the 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v2.12.2/git.html[documentation for release 2.12.2]
+* link:v2.12.3/git.html[documentation for release 2.12.3]
 
 * release notes for
-  link:RelNotes/2.12.2.txt[2.12.2].
-  link:RelNotes/2.12.1.txt[2.12.1].
+  link:RelNotes/2.12.3.txt[2.12.3],
+  link:RelNotes/2.12.2.txt[2.12.2],
+  link:RelNotes/2.12.1.txt[2.12.1],
   link:RelNotes/2.12.0.txt[2.12].
 
 * link:v2.11.1/git.html[documentation for release 2.11.1]
 
 * release notes for
+  link:RelNotes/2.11.2.txt[2.11.2],
   link:RelNotes/2.11.1.txt[2.11.1],
   link:RelNotes/2.11.0.txt[2.11].
 
-* link:v2.10.2/git.html[documentation for release 2.10.2]
+* link:v2.10.3/git.html[documentation for release 2.10.3]
 
 * release notes for
+  link:RelNotes/2.10.3.txt[2.10.3],
   link:RelNotes/2.10.2.txt[2.10.2],
   link:RelNotes/2.10.1.txt[2.10.1],
   link:RelNotes/2.10.0.txt[2.10].
 
-* link:v2.9.3/git.html[documentation for release 2.9.3]
+* link:v2.9.4/git.html[documentation for release 2.9.4]
 
 * release notes for
+  link:RelNotes/2.9.4.txt[2.9.4],
   link:RelNotes/2.9.3.txt[2.9.3],
   link:RelNotes/2.9.2.txt[2.9.2],
   link:RelNotes/2.9.1.txt[2.9.1],
   link:RelNotes/2.9.0.txt[2.9].
 
-* link:v2.8.4/git.html[documentation for release 2.8.4]
+* link:v2.8.5/git.html[documentation for release 2.8.5]
 
 * release notes for
+  link:RelNotes/2.8.5.txt[2.8.5],
   link:RelNotes/2.8.4.txt[2.8.4],
   link:RelNotes/2.8.3.txt[2.8.3],
   link:RelNotes/2.8.2.txt[2.8.2],
   link:RelNotes/2.8.1.txt[2.8.1],
   link:RelNotes/2.8.0.txt[2.8].
 
-* link:v2.7.3/git.html[documentation for release 2.7.3]
+* link:v2.7.5/git.html[documentation for release 2.7.5]
 
 * release notes for
+  link:RelNotes/2.7.5.txt[2.7.5],
+  link:RelNotes/2.7.4.txt[2.7.4],
   link:RelNotes/2.7.3.txt[2.7.3],
   link:RelNotes/2.7.2.txt[2.7.2],
   link:RelNotes/2.7.1.txt[2.7.1],
   link:RelNotes/2.7.0.txt[2.7].
 
-* link:v2.6.6/git.html[documentation for release 2.6.6]
+* link:v2.6.7/git.html[documentation for release 2.6.7]
 
 * release notes for
+  link:RelNotes/2.6.7.txt[2.6.7],
   link:RelNotes/2.6.6.txt[2.6.6],
   link:RelNotes/2.6.5.txt[2.6.5],
   link:RelNotes/2.6.4.txt[2.6.4],
@@ -100,9 +108,10 @@ Documentation for older releases are available here:
   link:RelNotes/2.6.1.txt[2.6.1],
   link:RelNotes/2.6.0.txt[2.6].
 
-* link:v2.5.5/git.html[documentation for release 2.5.5]
+* link:v2.5.6/git.html[documentation for release 2.5.6]
 
 * release notes for
+  link:RelNotes/2.5.6.txt[2.5.6],
   link:RelNotes/2.5.5.txt[2.5.5],
   link:RelNotes/2.5.4.txt[2.5.4],
   link:RelNotes/2.5.3.txt[2.5.3],
@@ -110,9 +119,10 @@ Documentation for older releases are available here:
   link:RelNotes/2.5.1.txt[2.5.1],
   link:RelNotes/2.5.0.txt[2.5].
 
-* link:v2.4.11/git.html[documentation for release 2.4.11]
+* link:v2.4.12/git.html[documentation for release 2.4.12]
 
 * release notes for
+  link:RelNotes/2.4.12.txt[2.4.12],
   link:RelNotes/2.4.11.txt[2.4.11],
   link:RelNotes/2.4.10.txt[2.4.10],
   link:RelNotes/2.4.9.txt[2.4.9],

shell.c

@@ -13,7 +13,7 @@ static int do_generic_cmd(const char *me, char *arg)
 	const char *my_argv[4];
 
 	setup_path();
-	if (!arg || !(arg = sq_dequote(arg)))
+	if (!arg || !(arg = sq_dequote(arg)) || *arg == '-')
 		die("bad argument");
 	if (!starts_with(me, "git-"))
 		die("bad command");