git-p4: rewrite view handling
[gitweb.git] / git-submodule.sh
index 444e1c581ae7d60e20cca2419093a61f068ea68a..3adab9363563e80e4ceb2c7fb5c3ab91ac1ef505 100755 (executable)
@@ -35,7 +35,7 @@ resolve_relative_url ()
 {
        remote=$(get_default_remote)
        remoteurl=$(git config "remote.$remote.url") ||
-               die "$(eval_gettext "remote (\$remote) does not have a url defined in .git/config")"
+               remoteurl=$(pwd) # the repository is its own authoritative upstream
        url="$1"
        remoteurl=${remoteurl%/}
        sep=/
@@ -104,9 +104,9 @@ module_name()
        re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
        name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
                sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
-       test -z "$name" &&
-       die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
-       echo "$name"
+       test -z "$name" &&
+       die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
+       echo "$name"
 }
 
 #
@@ -122,14 +122,55 @@ module_clone()
        path=$1
        url=$2
        reference="$3"
+       quiet=
+       if test -n "$GIT_QUIET"
+       then
+               quiet=-q
+       fi
+
+       gitdir=
+       gitdir_base=
+       name=$(module_name "$path" 2>/dev/null)
+       base_path=$(dirname "$path")
+
+       gitdir=$(git rev-parse --git-dir)
+       gitdir_base="$gitdir/modules/$base_path"
+       gitdir="$gitdir/modules/$path"
+
+       case $gitdir in
+       /*)
+               a="$(cd_to_toplevel && pwd)/"
+               b=$gitdir
+               while [ "$b" ] && [ "${a%%/*}" = "${b%%/*}" ]
+               do
+                       a=${a#*/} b=${b#*/};
+               done
+
+               rel="$a$name"
+               rel=`echo $rel | sed -e 's|[^/]*|..|g'`
+               rel_gitdir="$rel/$b"
+               ;;
+       *)
+               rel=`echo $name | sed -e 's|[^/]*|..|g'`
+               rel_gitdir="$rel/$gitdir"
+               ;;
+       esac
 
-       if test -n "$reference"
+       if test -d "$gitdir"
        then
-               git-clone "$reference" -n "$url" "$path"
+               mkdir -p "$path"
+               echo "gitdir: $rel_gitdir" >"$path/.git"
+               rm -f "$gitdir/index"
        else
-               git-clone -n "$url" "$path"
-       fi ||
-       die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
+               mkdir -p "$gitdir_base"
+               if test -n "$reference"
+               then
+                       git-clone $quiet "$reference" -n "$url" "$path" --separate-git-dir "$gitdir"
+               else
+                       git-clone $quiet -n "$url" "$path" --separate-git-dir "$gitdir"
+               fi ||
+               die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
+       fi
 }
 
 #
@@ -223,9 +264,9 @@ cmd_add()
 
        if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
        then
-               echo >&2 "The following path is ignored by one of your .gitignore files:" &&
-               echo >&2 $path &&
-               echo >&2 "Use -f if you really want to add it."
+               eval_gettextln "The following path is ignored by one of your .gitignore files:
+\$path
+Use -f if you really want to add it." >&2
                exit 1
        fi
 
@@ -234,20 +275,11 @@ cmd_add()
        then
                if test -d "$path"/.git -o -f "$path"/.git
                then
-                       eval_gettext "Adding existing repo at '\$path' to the index"; echo
+                       eval_gettextln "Adding existing repo at '\$path' to the index"
                else
                        die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
                fi
 
-               case "$repo" in
-               ./*|../*)
-                       url=$(resolve_relative_url "$repo") || exit
-                   ;;
-               *)
-                       url="$repo"
-                       ;;
-               esac
-               git config submodule."$path".url "$url"
        else
 
                module_clone "$path" "$realrepo" "$reference" || exit
@@ -261,6 +293,7 @@ cmd_add()
                        esac
                ) || die "$(eval_gettext "Unable to checkout submodule '\$path'")"
        fi
+       git config submodule."$path".url "$realrepo"
 
        git add $force "$path" ||
        die "$(eval_gettext "Failed to add submodule '\$path'")"
@@ -301,12 +334,16 @@ cmd_foreach()
 
        toplevel=$(pwd)
 
+       # dup stdin so that it can be restored when running the external
+       # command in the subshell (and a recursive call to this function)
+       exec 3<&0
+
        module_list |
        while read mode sha1 stage path
        do
                if test -e "$path"/.git
                then
-                       say "Entering '$prefix$path'"
+                       say "$(eval_gettext "Entering '\$prefix\$path'")"
                        name=$(module_name "$path")
                        (
                                prefix="$prefix$path/"
@@ -317,7 +354,7 @@ cmd_foreach()
                                then
                                        cmd_foreach "--recursive" "$@"
                                fi
-                       ) ||
+                       ) <&3 3<&- ||
                        die "$(eval_gettext "Stopping at '\$path'; script returned non-zero status.")"
                fi
        done
@@ -356,25 +393,26 @@ cmd_init()
        do
                # Skip already registered paths
                name=$(module_name "$path") || exit
-               url=$(git config submodule."$name".url)
-               test -z "$url" || continue
-
-               url=$(git config -f .gitmodules submodule."$name".url)
-               test -z "$url" &&
-               die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
-
-               # Possibly a url relative to parent
-               case "$url" in
-               ./*|../*)
-                       url=$(resolve_relative_url "$url") || exit
-                       ;;
-               esac
+               if test -z "$(git config "submodule.$name.url")"
+               then
+                       url=$(git config -f .gitmodules submodule."$name".url)
+                       test -z "$url" &&
+                       die "$(eval_gettext "No url found for submodule path '\$path' in .gitmodules")"
 
-               git config submodule."$name".url "$url" ||
-               die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
+                       # Possibly a url relative to parent
+                       case "$url" in
+                       ./*|../*)
+                               url=$(resolve_relative_url "$url") || exit
+                               ;;
+                       esac
+                       git config submodule."$name".url "$url" ||
+                       die "$(eval_gettext "Failed to register url for submodule path '\$path'")"
+               fi
 
+               # Copy "update" setting when it is not set yet
                upd="$(git config -f .gitmodules submodule."$name".update)"
                test -z "$upd" ||
+               test -n "$(git config submodule."$name".update)" ||
                git config submodule."$name".update "$upd" ||
                die "$(eval_gettext "Failed to register update mode for submodule path '\$path'")"
 
@@ -424,6 +462,9 @@ cmd_update()
                --recursive)
                        recursive=1
                        ;;
+               --checkout)
+                       update="checkout"
+                       ;;
                --)
                        shift
                        break
@@ -445,7 +486,8 @@ cmd_update()
        fi
 
        cloned_modules=
-       module_list "$@" |
+       module_list "$@" | {
+       err=
        while read mode sha1 stage path
        do
                if test "$stage" = U
@@ -455,14 +497,26 @@ cmd_update()
                fi
                name=$(module_name "$path") || exit
                url=$(git config submodule."$name".url)
-               update_module=$(git config submodule."$name".update)
+               if ! test -z "$update"
+               then
+                       update_module=$update
+               else
+                       update_module=$(git config submodule."$name".update)
+               fi
+
+               if test "$update_module" = "none"
+               then
+                       echo "Skipping submodule '$path'"
+                       continue
+               fi
+
                if test -z "$url"
                then
                        # Only mention uninitialized submodules when its
                        # path have been specified
                        test "$#" != "0" &&
-                       say "Submodule path '$path' not initialized" &&
-                       say "Maybe you want to use 'update --init'?"
+                       say "$(eval_gettext "Submodule path '\$path' not initialized
+Maybe you want to use 'update --init'?")"
                        continue
                fi
 
@@ -477,11 +531,6 @@ cmd_update()
                        die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
                fi
 
-               if ! test -z "$update"
-               then
-                       update_module=$update
-               fi
-
                if test "$subsha1" != "$sha1"
                then
                        subforce=$force
@@ -496,7 +545,7 @@ cmd_update()
                                # Run fetch only if $sha1 isn't present or it
                                # is not reachable from a ref.
                                (clear_local_git_env; cd "$path" &&
-                                       ((rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
+                                       ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
                                         test -z "$rev") || git-fetch)) ||
                                die "$(eval_gettext "Unable to fetch in submodule path '\$path'")"
                        fi
@@ -508,16 +557,19 @@ cmd_update()
                                update_module= ;;
                        esac
 
+                       must_die_on_failure=
                        case "$update_module" in
                        rebase)
                                command="git rebase"
                                die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$path'")"
                                say_msg="$(eval_gettext "Submodule path '\$path': rebased into '\$sha1'")"
+                               must_die_on_failure=yes
                                ;;
                        merge)
                                command="git merge"
                                die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$path'")"
                                say_msg="$(eval_gettext "Submodule path '\$path': merged in '\$sha1'")"
+                               must_die_on_failure=yes
                                ;;
                        *)
                                command="git checkout $subforce -q"
@@ -526,16 +578,51 @@ cmd_update()
                                ;;
                        esac
 
-                       (clear_local_git_env; cd "$path" && $command "$sha1") || die $die_msg
-                       say $say_msg
+                       if (clear_local_git_env; cd "$path" && $command "$sha1")
+                       then
+                               say "$say_msg"
+                       elif test -n "$must_die_on_failure"
+                       then
+                               die_with_status 2 "$die_msg"
+                       else
+                               err="${err};$die_msg"
+                               continue
+                       fi
                fi
 
                if test -n "$recursive"
                then
-                       (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags") ||
-                       die "$(eval_gettext "Failed to recurse into submodule path '\$path'")"
+                       (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags")
+                       res=$?
+                       if test $res -gt 0
+                       then
+                               die_msg="$(eval_gettext "Failed to recurse into submodule path '\$path'")"
+                               if test $res -eq 1
+                               then
+                                       err="${err};$die_msg"
+                                       continue
+                               else
+                                       die_with_status $res "$die_msg"
+                               fi
+                       fi
                fi
        done
+
+       if test -n "$err"
+       then
+               OIFS=$IFS
+               IFS=';'
+               for e in $err
+               do
+                       if test -n "$e"
+                       then
+                               echo >&2 "$e"
+                       fi
+               done
+               IFS=$OIFS
+               exit 1
+       fi
+       }
 }
 
 set_name_rev () {
@@ -657,10 +744,7 @@ cmd_summary() {
                                ;; # removed
                        *)
                                # unexpected type
-                               (
-                                       eval_gettext "unexpected mode \$mod_dst" &&
-                                       echo
-                               ) >&2
+                               eval_gettextln "unexpected mode \$mod_dst" >&2
                                continue ;;
                        esac
                fi
@@ -678,13 +762,13 @@ cmd_summary() {
                total_commits=
                case "$missing_src,$missing_dst" in
                t,)
-                       errmsg="  Warn: $name doesn't contain commit $sha1_src"
+                       errmsg="$(eval_gettext "  Warn: \$name doesn't contain commit \$sha1_src")"
                        ;;
                ,t)
-                       errmsg="  Warn: $name doesn't contain commit $sha1_dst"
+                       errmsg="$(eval_gettext "  Warn: \$name doesn't contain commit \$sha1_dst")"
                        ;;
                t,t)
-                       errmsg="  Warn: $name doesn't contain commits $sha1_src and $sha1_dst"
+                       errmsg="$(eval_gettext "  Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
                        ;;
                *)
                        errmsg=
@@ -709,11 +793,13 @@ cmd_summary() {
                sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
                if test $status = T
                then
+                       blob="$(gettext "blob")"
+                       submodule="$(gettext "submodule")"
                        if test $mod_dst = 160000
                        then
-                               echo "* $name $sha1_abbr_src(blob)->$sha1_abbr_dst(submodule)$total_commits:"
+                               echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
                        else
-                               echo "* $name $sha1_abbr_src(submodule)->$sha1_abbr_dst(blob)$total_commits:"
+                               echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
                        fi
                else
                        echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
@@ -745,9 +831,9 @@ cmd_summary() {
        done |
        if test -n "$for_status"; then
                if [ -n "$files" ]; then
-                       echo "# Submodules changed but not updated:"
+                       gettextln "# Submodules changed but not updated:"
                else
-                       echo "# Submodule changes to be committed:"
+                       gettextln "# Submodule changes to be committed:"
                fi
                echo "#"
                sed -e 's|^|# |' -e 's|^# $|#|'
@@ -877,17 +963,20 @@ cmd_sync()
                        ;;
                esac
 
-               say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
-               git config submodule."$name".url "$url"
-
-               if test -e "$path"/.git
+               if git config "submodule.$name.url" >/dev/null 2>/dev/null
                then
-               (
-                       clear_local_git_env
-                       cd "$path"
-                       remote=$(get_default_remote)
-                       git config remote."$remote".url "$url"
-               )
+                       say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
+                       git config submodule."$name".url "$url"
+
+                       if test -e "$path"/.git
+                       then
+                       (
+                               clear_local_git_env
+                               cd "$path"
+                               remote=$(get_default_remote)
+                               git config remote."$remote".url "$url"
+                       )
+                       fi
                fi
        done
 }