Merge branch 'jc/checkout'

diff --git a/git-checkout.sh b/git-checkout.sh
index 36308d2..3bbd111 100755 (executable)
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
 USAGE='[-f] [-b <new_branch>] [<branch>] [<paths>...]'
+SUBDIRECTORY_OK=Sometimes
 . git-sh-setup
 
 old=$(git-rev-parse HEAD)
@@ -79,7 +80,7 @@ then
                # from a specific tree-ish; note that this is for
                # rescuing paths and is never meant to remove what
                # is not in the named tree-ish.
-               git-ls-tree -r "$new" "$@" |
+               git-ls-tree --full-name -r "$new" "$@" |
                git-update-index --index-info || exit $?
        fi
        git-checkout-index -f -u -- "$@"
@@ -95,6 +96,14 @@ else
        fi
 fi
 
+# We are switching branches and checking out trees, so
+# we *NEED* to be at the toplevel.
+cdup=$(git-rev-parse --show-cdup)
+if test ! -z "$cdup"
+then
+       cd "$cdup"
+fi
+
 [ -z "$new" ] && new=$old
 
 # If we don't have an old branch that we're switching to,

diff --git a/ls-tree.c b/ls-tree.c
index dae377d..d585b6f 100644 (file)
--- a/ls-tree.c
+++ b/ls-tree.c
@@ -15,9 +15,11 @@ static int line_termination = '\n';
 #define LS_NAME_ONLY 8
 static int ls_options = 0;
 const char **pathspec;
+static int chomp_prefix = 0;
+static const char *prefix;
 
 static const char ls_tree_usage[] =
-       "git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] <tree-ish> [path...]";
+       "git-ls-tree [-d] [-r] [-t] [-z] [--name-only] [--name-status] [--full-name] <tree-ish> [path...]";
 
 static int show_recursive(const char *base, int baselen, const char *pathname)
 {
@@ -49,7 +51,8 @@ static int show_recursive(const char *base, int baselen, const char *pathname)
        }
 }
 
-static int show_tree(unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage)
+static int show_tree(unsigned char *sha1, const char *base, int baselen,
+                    const char *pathname, unsigned mode, int stage)
 {
        int retval = 0;
        const char *type = "blob";
@@ -65,21 +68,28 @@ static int show_tree(unsigned char *sha1, const char *base, int baselen, const c
        else if (ls_options & LS_TREE_ONLY)
                return 0;
 
+       if (chomp_prefix &&
+           (baselen < chomp_prefix || memcmp(prefix, base, chomp_prefix)))
+               return 0;
+
        if (!(ls_options & LS_NAME_ONLY))
                printf("%06o %s %s\t", mode, type, sha1_to_hex(sha1));
-       write_name_quoted(base, baselen, pathname, line_termination, stdout);
+       write_name_quoted(base + chomp_prefix, baselen - chomp_prefix,
+                         pathname,
+                         line_termination, stdout);
        putchar(line_termination);
        return retval;
 }
 
 int main(int argc, const char **argv)
 {
-       const char *prefix;
        unsigned char sha1[20];
        char *buf;
        unsigned long size;
 
        prefix = setup_git_directory();
+       if (prefix && *prefix)
+               chomp_prefix = strlen(prefix);
        while (1 < argc && argv[1][0] == '-') {
                switch (argv[1][1]) {
                case 'z':
@@ -100,6 +110,10 @@ int main(int argc, const char **argv)
                                ls_options |= LS_NAME_ONLY;
                                break;
                        }
+                       if (!strcmp(argv[1]+2, "full-name")) {
+                               chomp_prefix = 0;
+                               break;
+                       }
                        /* otherwise fallthru */
                default:
                        usage(ls_tree_usage);