Merge branch 'sd/cd-p-show-toplevel'

* sd/cd-p-show-toplevel:
Use $(git rev-parse --show-toplevel) in cd_to_toplevel().
Add 'git rev-parse --show-toplevel' option.

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 82045a2522799ccf3a03479bf4f4cd1fa1809879..dc829b333d9bda935c01581655fe62910b8f6e8f 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -112,6 +112,9 @@ OPTIONS
 --remotes::
        Show tag refs found in `$GIT_DIR/refs/remotes`.
 
+--show-toplevel::
+       Show the absolute path of the top-level directory.
+
 --show-prefix::
        When the command is invoked from a subdirectory, show the
        path of the current directory relative to the top-level

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 37d02335212dea9672e2472970f66dc4ac95dfd1..cbe5b428ad23708338dc7b11cb0105f53b045527 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -581,6 +581,12 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                for_each_remote_ref(show_reference, NULL);
                                continue;
                        }
+                       if (!strcmp(arg, "--show-toplevel")) {
+                               const char *work_tree = get_git_work_tree();
+                               if (work_tree)
+                                       puts(work_tree);
+                               continue;
+                       }
                        if (!strcmp(arg, "--show-prefix")) {
                                if (prefix)
                                        puts(prefix);

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index dfcb8078f508d6cc26d312d61b64e0185e90b74b..d56426dd396190a07de7d661cd22fb284b759ca8 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -120,20 +120,11 @@ is_bare_repository () {
 }
 
 cd_to_toplevel () {
-       cdup=$(git rev-parse --show-cdup)
-       if test ! -z "$cdup"
-       then
-               # The "-P" option says to follow "physical" directory
-               # structure instead of following symbolic links.  When cdup is
-               # "../", this means following the ".." entry in the current
-               # directory instead textually removing a symlink path element
-               # from the PWD shell variable.  The "-P" behavior is more
-               # consistent with the C-style chdir used by most of Git.
-               cd -P "$cdup" || {
-                       echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
-                       exit 1
-               }
-       fi
+       cdup=$(git rev-parse --show-toplevel) &&
+       cd "$cdup" || {
+               echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
+               exit 1
+       }
 }
 
 require_work_tree () {