Teach fast-import to import subtrees named by tree id

[git.git] / git-submodule.sh

diff --git a/git-submodule.sh b/git-submodule.sh
index e2082fd1492fe34e69c59f0a46cbaf7ddd2e2a8e..d9950c2b7fadef0876867e11ef26283ca1cfaf1e 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -21,6 +21,8 @@ command=
 branch=
 reference=
 cached=
+recursive=
+init=
 files=
 nofetch=
 update=
@@ -269,6 +271,8 @@ cmd_foreach()
                shift
        done
 
+       toplevel=$(pwd)
+
        module_list |
        while read mode sha1 stage path
        do
@@ -553,12 +557,17 @@ cmd_summary() {
 
        test $summary_limit = 0 && return
 
-       if rev=$(git rev-parse -q --verify "$1^0")
+       if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
        then
                head=$rev
-               shift
+               test $# = 0 || shift
+       elif test -z "$1" -o "$1" = "HEAD"
+       then
+               # before the first commit: compare with an empty tree
+               head=$(git hash-object -w -t tree --stdin </dev/null)
+               test -z "$1" || shift
        else
-               head=HEAD
+               head="HEAD"
        fi
 
        if [ -n "$files" ]
@@ -571,7 +580,7 @@ cmd_summary() {
 
        cd_to_toplevel
        # Get modified modules cared by user
-       modules=$(git $diff_cmd $cached --raw $head -- "$@" |
+       modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
                sane_egrep '^:([0-7]* )?160000' |
                while read mod_src mod_dst sha1_src sha1_dst status name
                do
@@ -585,7 +594,7 @@ cmd_summary() {
 
        test -z "$modules" && return
 
-       git $diff_cmd $cached --raw $head -- $modules |
+       git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
        sane_egrep '^:([0-7]* )?160000' |
        cut -c2- |
        while read mod_src mod_dst sha1_src sha1_dst status name
@@ -643,7 +652,7 @@ cmd_summary() {
                                range=$sha1_dst
                        fi
                        GIT_DIR="$name/.git" \
-                       git log --pretty=oneline --first-parent $range | wc -l
+                       git rev-list --first-parent $range -- | wc -l
                        )
                        total_commits=" ($(($total_commits + 0)))"
                        ;;
@@ -751,7 +760,7 @@ cmd_status()
                        continue;
                fi
                set_name_rev "$path" "$sha1"
-               if git diff-files --quiet -- "$path"
+               if git diff-files --ignore-submodules=dirty --quiet -- "$path"
                then
                        say " $sha1 $displaypath$revname"
                else