Merge branch 'maint'

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

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index d15747f1ed8f875a3c1bb7129e50bfbc8d2b033f..5aa62dda15d1c24d0b01845ded4c8bc15e98bf8a 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -6,7 +6,7 @@
 # it dies.
 
 # Having this variable in your environment would break scripts because
-# you would cause "cd" to be be taken to unexpected places.  If you
+# you would cause "cd" to be taken to unexpected places.  If you
 # like CDPATH, define it for your interactive shell sessions without
 # exporting it.
 unset CDPATH
@@ -16,36 +16,132 @@ die() {
        exit 1
 }
 
-usage() {
-       die "Usage: $0 $USAGE"
-}
+if test -n "$OPTIONS_SPEC"; then
+       usage() {
+               exec "$0" -h
+       }
 
-if [ -z "$LONG_USAGE" ]
-then
-       LONG_USAGE="Usage: $0 $USAGE"
+       parseopt_extra=
+       [ -n "$OPTIONS_KEEPDASHDASH" ] &&
+               parseopt_extra="--keep-dashdash"
+
+       eval "$(
+               echo "$OPTIONS_SPEC" |
+                       git rev-parse --parseopt $parseopt_extra -- "$@" ||
+               echo exit $?
+       )"
 else
-       LONG_USAGE="Usage: $0 $USAGE
+       usage() {
+               die "Usage: $0 $USAGE"
+       }
+
+       if [ -z "$LONG_USAGE" ]
+       then
+               LONG_USAGE="Usage: $0 $USAGE"
+       else
+               LONG_USAGE="Usage: $0 $USAGE
 
 $LONG_USAGE"
+       fi
+
+       case "$1" in
+               -h|--h|--he|--hel|--help)
+               echo "$LONG_USAGE"
+               exit
+       esac
 fi
 
-case "$1" in
-       -h|--h|--he|--hel|--help)
-       echo "$LONG_USAGE"
-       exit
-esac
+set_reflog_action() {
+       if [ -z "${GIT_REFLOG_ACTION:+set}" ]
+       then
+               GIT_REFLOG_ACTION="$*"
+               export GIT_REFLOG_ACTION
+       fi
+}
+
+git_editor() {
+       : "${GIT_EDITOR:=$(git config core.editor)}"
+       : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}"
+       case "$GIT_EDITOR,$TERM" in
+       ,dumb)
+               echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL,"
+               echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb."
+               echo >&2 "Please set one of these variables to an appropriate"
+               echo >&2 "editor or run $0 with options that will not cause an"
+               echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
+               exit 1
+               ;;
+       esac
+       eval "${GIT_EDITOR:=vi}" '"$@"'
+}
 
-if [ -z "$SUBDIRECTORY_OK" ]
-then
-       : ${GIT_DIR=.git}
-       : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
+is_bare_repository () {
+       git rev-parse --is-bare-repository
+}
 
-       # Make sure we are in a valid repository of a vintage we understand.
-       GIT_DIR="$GIT_DIR" git repo-config --get core.nosuch >/dev/null
-       if test $? = 128
+cd_to_toplevel () {
+       cdup=$(git rev-parse --show-cdup)
+       if test ! -z "$cdup"
        then
-           exit
+               cd "$cdup" || {
+                       echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
+                       exit 1
+               }
        fi
+}
+
+require_work_tree () {
+       test $(git rev-parse --is-inside-work-tree) = true ||
+       die "fatal: $0 cannot be used without a working tree."
+}
+
+get_author_ident_from_commit () {
+       pick_author_script='
+       /^author /{
+               s/'\''/'\''\\'\'\''/g
+               h
+               s/^author \([^<]*\) <[^>]*> .*$/\1/
+               s/'\''/'\''\'\'\''/g
+               s/.*/GIT_AUTHOR_NAME='\''&'\''/p
+
+               g
+               s/^author [^<]* <\([^>]*\)> .*$/\1/
+               s/'\''/'\''\'\'\''/g
+               s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
+
+               g
+               s/^author [^<]* <[^>]*> \(.*\)$/\1/
+               s/'\''/'\''\'\'\''/g
+               s/.*/GIT_AUTHOR_DATE='\''&'\''/p
+
+               q
+       }
+       '
+       encoding=$(git config i18n.commitencoding || echo UTF-8)
+       git show -s --pretty=raw --encoding="$encoding" "$1" |
+       LANG=C LC_ALL=C sed -ne "$pick_author_script"
+}
+
+# Make sure we are in a valid repository of a vintage we understand.
+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
+       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"
+    exit 1
+}
+
+: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}