Allow building without any git installed

[git.git] / git-sh-setup.sh

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index f38827529f2fd60743f5571948742fada975cf93..dbdf209ec0e7d6468c199d1905c3e7788a9cd246 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -32,15 +32,16 @@ if test -n "$OPTIONS_SPEC"; then
                echo exit $?
        )"
 else
+       dashless=$(basename "$0" | sed -e 's/-/ /')
        usage() {
-               die "Usage: $0 $USAGE"
+               die "Usage: $dashless $USAGE"
        }
 
        if [ -z "$LONG_USAGE" ]
        then
-               LONG_USAGE="Usage: $0 $USAGE"
+               LONG_USAGE="Usage: $dashless $USAGE"
        else
-               LONG_USAGE="Usage: $0 $USAGE
+               LONG_USAGE="Usage: $dashless $USAGE
 
 $LONG_USAGE"
        fi
@@ -127,20 +128,14 @@ get_author_ident_from_commit () {
 # if we require to be in a git repository.
 if test -z "$NONGIT_OK"
 then
+       GIT_DIR=$(git rev-parse --git-dir) || exit
        if [ -z "$SUBDIRECTORY_OK" ]
        then
-               : ${GIT_DIR=.git}
                test -z "$(git rev-parse --show-cdup)" || {
                        exit=$?
                        echo >&2 "You need to run this command from the toplevel of the working tree."
                        exit $exit
                }
-       else
-               GIT_DIR=$(git rev-parse --git-dir) || {
-                   exit=$?
-                   echo >&2 "Failed to find a valid git directory."
-                   exit $exit
-               }
        fi
        test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
                echo >&2 "Unable to determine absolute path of git directory"
@@ -148,3 +143,16 @@ then
        }
        : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
 fi
+
+# Fix some commands on Windows
+case $(uname -s) in
+*MINGW*)
+       # Windows has its own (incompatible) sort and find
+       sort () {
+               /usr/bin/sort "$@"
+       }
+       find () {
+               /usr/bin/find "$@"
+       }
+       ;;
+esac