t4042: abstract away SHA-1-specific constants

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 85db5f1c63c3c6fa0fff95a747538e47f02ec46d..378928518b2c42ee3adb69b52d3b0eb63fca8ac3 100644 (file)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -43,6 +43,9 @@ git_broken_path_fix () {
 
 # @@BROKEN_PATH_FIX@@
 
+# Source git-sh-i18n for gettext support.
+. "$(git --exec-path)/git-sh-i18n"
+
 die () {
        die_with_status 1 "$@"
 }
@@ -83,16 +86,16 @@ if test -n "$OPTIONS_SPEC"; then
 else
        dashless=$(basename -- "$0" | sed -e 's/-/ /')
        usage() {
-               die "usage: $dashless $USAGE"
+               die "$(eval_gettext "usage: \$dashless \$USAGE")"
        }
 
        if [ -z "$LONG_USAGE" ]
        then
-               LONG_USAGE="usage: $dashless $USAGE"
+               LONG_USAGE="$(eval_gettext "usage: \$dashless \$USAGE")"
        else
-               LONG_USAGE="usage: $dashless $USAGE
+               LONG_USAGE="$(eval_gettext "usage: \$dashless \$USAGE
 
-$LONG_USAGE"
+$LONG_USAGE")"
        fi
 
        case "$1" in
@@ -160,9 +163,11 @@ git_pager() {
        else
                GIT_PAGER=cat
        fi
-       : "${LESS=-FRX}"
-       : "${LV=-c}"
-       export LESS LV
+       for vardef in @@PAGER_ENV@@
+       do
+               var=${vardef%%=*}
+               eval ": \"\${$vardef}\" && export $var"
+       done
 
        eval "$GIT_PAGER" '"$@"'
 }
@@ -182,7 +187,7 @@ is_bare_repository () {
 cd_to_toplevel () {
        cdup=$(git rev-parse --show-toplevel) &&
        cd "$cdup" || {
-               echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
+               gettextln "Cannot chdir to \$cdup, the toplevel of the working tree" >&2
                exit 1
        }
 }
@@ -190,13 +195,16 @@ cd_to_toplevel () {
 require_work_tree_exists () {
        if test "z$(git rev-parse --is-bare-repository)" != zfalse
        then
-               die "fatal: $0 cannot be used without a working tree."
+               program_name=$0
+               die "$(eval_gettext "fatal: \$program_name cannot be used without a working tree.")"
        fi
 }
 
 require_work_tree () {
-       test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
-       die "fatal: $0 cannot be used without a working tree."
+       test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true || {
+               program_name=$0
+               die "$(eval_gettext "fatal: \$program_name cannot be used without a working tree.")"
+       }
 }
 
 require_clean_work_tree () {
@@ -206,24 +214,49 @@ require_clean_work_tree () {
 
        if ! git diff-files --quiet --ignore-submodules
        then
-               echo >&2 "Cannot $1: You have unstaged changes."
+               action=$1
+               case "$action" in
+               rebase)
+                       gettextln "Cannot rebase: You have unstaged changes." >&2
+                       ;;
+               "rewrite branches")
+                       gettextln "Cannot rewrite branches: You have unstaged changes." >&2
+                       ;;
+               "pull with rebase")
+                       gettextln "Cannot pull with rebase: You have unstaged changes." >&2
+                       ;;
+               *)
+                       eval_gettextln "Cannot \$action: You have unstaged changes." >&2
+                       ;;
+               esac
                err=1
        fi
 
        if ! git diff-index --cached --quiet --ignore-submodules HEAD --
        then
-               if [ $err = 0 ]
+               if test $err = 0
                then
-                   echo >&2 "Cannot $1: Your index contains uncommitted changes."
+                       action=$1
+                       case "$action" in
+                       rebase)
+                               gettextln "Cannot rebase: Your index contains uncommitted changes." >&2
+                               ;;
+                       "pull with rebase")
+                               gettextln "Cannot pull with rebase: Your index contains uncommitted changes." >&2
+                               ;;
+                       *)
+                               eval_gettextln "Cannot \$action: Your index contains uncommitted changes." >&2
+                               ;;
+                       esac
                else
-                   echo >&2 "Additionally, your index contains uncommitted changes."
+                   gettextln "Additionally, your index contains uncommitted changes." >&2
                fi
                err=1
        fi
 
-       if [ $err = 1 ]
+       if test $err = 1
        then
-               test -n "$2" && echo >&2 "$2"
+               test -n "$2" && echo "$2" >&2
                exit 1
        fi
 }
@@ -336,12 +369,12 @@ git_dir_init () {
        then
                test -z "$(git rev-parse --show-cdup)" || {
                        exit=$?
-                       echo >&2 "You need to run this command from the toplevel of the working tree."
+                       gettextln "You need to run this command from the toplevel of the working tree." >&2
                        exit $exit
                }
        fi
        test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
-               echo >&2 "Unable to determine absolute path of git directory"
+               gettextln "Unable to determine absolute path of git directory" >&2
                exit 1
        }
        : "${GIT_OBJECT_DIRECTORY="$(git rev-parse --git-path objects)"}"