Make fread/fwrite-like functions in http.c more like fread/fwrite.

diff --git a/git-submodule.sh b/git-submodule.sh
index 514ede259660d387fd392b950facc706f7c4d5e7..e3c054bde5f1d6fb858071ba7bf2939253811e1f 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -11,6 +11,7 @@ USAGE="[--quiet] [--cached]
    or: $dashless [--quiet] init [--] [<path>...]
    or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
    or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--] [<path>...]
+   or: $dashless [--quiet] set-branch (--default|--branch <branch>) [--] <path>
    or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
    or: $dashless [--quiet] foreach [--recursive] <command>
    or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
@@ -346,7 +347,7 @@ cmd_foreach()
                shift
        done
 
-       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
+       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
 }
 
 #
@@ -377,7 +378,7 @@ cmd_init()
                shift
        done
 
-       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet}  "$@"
+       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} -- "$@"
 }
 
 #
@@ -413,7 +414,7 @@ cmd_deinit()
                shift
        done
 
-       git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} "$@"
+       git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} -- "$@"
 }
 
 is_tip_reachable () (
@@ -542,6 +543,7 @@ cmd_update()
                ${depth:+--depth "$depth"} \
                $recommend_shallow \
                $jobs \
+               -- \
                "$@" || echo "#unmatched" $?
        } | {
        err=
@@ -594,7 +596,7 @@ cmd_update()
                                # is not reachable from a ref.
                                is_tip_reachable "$sm_path" "$sha1" ||
                                fetch_in_submodule "$sm_path" $depth ||
-                               say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
+                               say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
 
                                # Now we tried the usual fetch, but $sha1 may
                                # not be reachable from any of the refs
@@ -685,6 +687,72 @@ cmd_update()
        }
 }
 
+#
+# Configures a submodule's default branch
+#
+# $@ = requested path
+#
+cmd_set_branch() {
+       unset_branch=false
+       branch=
+
+       while test $# -ne 0
+       do
+               case "$1" in
+               -q|--quiet)
+                       # we don't do anything with this but we need to accept it
+                       ;;
+               -d|--default)
+                       unset_branch=true
+                       ;;
+               -b|--branch)
+                       case "$2" in '') usage ;; esac
+                       branch=$2
+                       shift
+                       ;;
+               --)
+                       shift
+                       break
+                       ;;
+               -*)
+                       usage
+                       ;;
+               *)
+                       break
+                       ;;
+               esac
+               shift
+       done
+
+       if test $# -ne 1
+       then
+               usage
+       fi
+
+       # we can't use `git submodule--helper name` here because internally, it
+       # hashes the path so a trailing slash could lead to an unintentional no match
+       name="$(git submodule--helper list "$1" | cut -f2)"
+       if test -z "$name"
+       then
+               exit 1
+       fi
+
+       test -n "$branch"; has_branch=$?
+       test "$unset_branch" = true; has_unset_branch=$?
+
+       if test $((!$has_branch != !$has_unset_branch)) -eq 0
+       then
+               usage
+       fi
+
+       if test $has_branch -eq 0
+       then
+               git submodule--helper config submodule."$name".branch "$branch"
+       else
+               git submodule--helper config --unset submodule."$name".branch
+       fi
+}
+
 #
 # Show commit summary for submodules in index or working tree
 #
@@ -934,7 +1002,7 @@ cmd_status()
                shift
        done
 
-       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} "$@"
+       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} -- "$@"
 }
 #
 # Sync remote urls for submodules
@@ -967,7 +1035,7 @@ cmd_sync()
                esac
        done
 
-       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} "$@"
+       git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
 }
 
 cmd_absorbgitdirs()
@@ -984,7 +1052,7 @@ cmd_absorbgitdirs()
 while test $# != 0 && test -z "$command"
 do
        case "$1" in
-       add | foreach | init | deinit | update | status | summary | sync | absorbgitdirs)
+       add | foreach | init | deinit | update | set-branch | status | summary | sync | absorbgitdirs)
                command=$1
                ;;
        -q|--quiet)
@@ -1025,8 +1093,8 @@ then
     fi
 fi
 
-# "-b branch" is accepted only by "add"
-if test -n "$branch" && test "$command" != add
+# "-b branch" is accepted only by "add" and "set-branch"
+if test -n "$branch" && (test "$command" != add || test "$command" != set-branch)
 then
        usage
 fi
@@ -1037,4 +1105,4 @@ then
        usage
 fi
 
-"cmd_$command" "$@"
+"cmd_$(echo $command | sed -e s/-/_/g)" "$@"