git-pickaxe: refcount origin correctly in find_copy_in_parent()

[git.git] / git-fetch.sh

diff --git a/git-fetch.sh b/git-fetch.sh
index b6a223ee466b69c58027cd0100508e2630fed598..b15fc2b389f35e2b30b17eada4bcc711a12d2a11 100755 (executable)
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -68,10 +68,10 @@ done
 
 case "$#" in
 0)
-       test -f "$GIT_DIR/branches/origin" ||
-               test -f "$GIT_DIR/remotes/origin" ||
-                       die "Where do you want to fetch from today?"
-       set origin ;;
+       origin=$(get_default_remote)
+       test -n "$(get_remote_url ${origin})" ||
+               die "Where do you want to fetch from today?"
+       set x $origin ; shift ;;
 esac
 
 remote_nick="$1"
@@ -129,22 +129,25 @@ append_fetch_head () {
     then
        headc_=$(git-rev-parse --verify "$head_^0") || exit
        echo "$headc_   $not_for_merge_ $note_" >>"$GIT_DIR/FETCH_HEAD"
-       [ "$verbose" ] && echo >&2 "* committish: $head_"
-       [ "$verbose" ] && echo >&2 "  $note_"
     else
        echo "$head_    not-for-merge   $note_" >>"$GIT_DIR/FETCH_HEAD"
-       [ "$verbose" ] && echo >&2 "* non-commit: $head_"
-       [ "$verbose" ] && echo >&2 "  $note_"
-    fi
-    if test "$local_name_" != ""
-    then
-       # We are storing the head locally.  Make sure that it is
-       # a fast forward (aka "reverse push").
-       fast_forward_local "$local_name_" "$head_" "$note_"
     fi
+
+    update_local_ref "$local_name_" "$head_" "$note_"
 }
 
-fast_forward_local () {
+update_local_ref () {
+    # If we are storing the head locally make sure that it is
+    # a fast forward (aka "reverse push").
+
+    label_=$(git-cat-file -t $2)
+    newshort_=$(git-rev-parse --short $2)
+    if test -z "$1" ; then
+       [ "$verbose" ] && echo >&2 "* fetched $3"
+       [ "$verbose" ] && echo >&2 "  $label_: $newshort_"
+       return 0
+    fi
+    oldshort_=$(git-rev-parse --short "$1" 2>/dev/null)
     mkdir -p "$(dirname "$GIT_DIR/$1")"
     case "$1" in
     refs/tags/*)
@@ -154,13 +157,16 @@ fast_forward_local () {
        then
                if now_=$(cat "$GIT_DIR/$1") && test "$now_" = "$2"
                then
-                       [ "$verbose" ] && echo >&2 "* $1: same as $3" ||:
+                       [ "$verbose" ] && echo >&2 "* $1: same as $3"
+                       [ "$verbose" ] && echo >&2 "  $label_: $newshort_" ||:
                else
                        echo >&2 "* $1: updating with $3"
+                       echo >&2 "  $label_: $newshort_"
                        git-update-ref -m "$rloga: updating tag" "$1" "$2"
                fi
        else
                echo >&2 "* $1: storing $3"
+               echo >&2 "  $label_: $newshort_"
                git-update-ref -m "$rloga: storing tag" "$1" "$2"
        fi
        ;;
@@ -178,31 +184,34 @@ fast_forward_local () {
                if test -n "$verbose"
                then
                        echo >&2 "* $1: same as $3"
+                       echo >&2 "  $label_: $newshort_"
                fi
                ;;
            *,$local)
                echo >&2 "* $1: fast forward to $3"
-               echo >&2 "  from $local to $2"
+               echo >&2 "  old..new: $oldshort_..$newshort_"
                git-update-ref -m "$rloga: fast-forward" "$1" "$2" "$local"
                ;;
            *)
                false
                ;;
            esac || {
-               echo >&2 "* $1: does not fast forward to $3;"
                case ",$force,$single_force," in
                *,t,*)
-                       echo >&2 "  forcing update."
+                       echo >&2 "* $1: forcing update to non-fast forward $3"
+                       echo >&2 "  old...new: $oldshort_...$newshort_"
                        git-update-ref -m "$rloga: forced-update" "$1" "$2" "$local"
                        ;;
                *)
-                       echo >&2 "  not updating."
+                       echo >&2 "* $1: not updating to non-fast forward $3"
+                       echo >&2 "  old...new: $oldshort_...$newshort_"
                        exit 1
                        ;;
                esac
            }
        else
            echo >&2 "* $1: storing $3"
+           echo >&2 "  $label_: $newshort_"
            git-update-ref -m "$rloga: storing head" "$1" "$2"
        fi
        ;;
@@ -224,9 +233,16 @@ reflist=$(get_remote_refs_for_fetch "$@")
 if test "$tags"
 then
        taglist=`IFS="  " &&
-                 git-ls-remote $upload_pack --tags "$remote" |
+                 (
+                       git-ls-remote $upload_pack --tags "$remote" ||
+                       echo fail ouch
+                 ) |
                  while read sha1 name
                  do
+                       case "$sha1" in
+                       fail)
+                               exit 1
+                       esac
                        case "$name" in
                        *^*) continue ;;
                        esac
@@ -236,7 +252,7 @@ then
                        else
                            echo >&2 "warning: tag ${name} ignored"
                        fi
-                 done`
+                 done` || exit
        if test "$#" -gt 1
        then
                # remote URL plus explicit refspecs; we need to merge them.
@@ -250,6 +266,7 @@ fi
 fetch_main () {
   reflist="$1"
   refs=
+  rref=
 
   for ref in $reflist
   do
@@ -278,10 +295,14 @@ fetch_main () {
 
       # There are transports that can fetch only one head at a time...
       case "$remote" in
-      http://* | https://*)
+      http://* | https://* | ftp://*)
          if [ -n "$GIT_SSL_NO_VERIFY" ]; then
              curl_extra_args="-k"
          fi
+         if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \
+               "`git-repo-config --bool http.noEPSV`" = true ]; then
+             noepsv_opt="--disable-epsv"
+         fi
          max_depth=5
          depth=0
          head="ref: $remote_name"
@@ -293,7 +314,7 @@ fetch_main () {
              $u =~ s{([^-a-zA-Z0-9/.])}{sprintf"%%%02x",ord($1)}eg;
              print "$u";
          ' "$head")
-           head=$(curl -nsfL $curl_extra_args "$remote/$remote_name_quoted")
+           head=$(curl -nsfL $curl_extra_args $noepsv_opt "$remote/$remote_name_quoted")
            depth=$( expr \( $depth + 1 \) )
          done
          expr "z$head" : "z$_x40\$" >/dev/null ||
@@ -342,7 +363,7 @@ fetch_main () {
   done
 
   case "$remote" in
-  http://* | https://* | rsync://* )
+  http://* | https://* | ftp://* | rsync://* )
       ;; # we are already done.
   *)
     ( : subshell because we muck with IFS
@@ -424,10 +445,10 @@ esac
 
 # If the original head was empty (i.e. no "master" yet), or
 # if we were told not to worry, we do not have to check.
-case ",$update_head_ok,$orig_head," in
-*,, | t,* )
+case "$orig_head" in
+'')
        ;;
-*)
+?*)
        curr_head=$(git-rev-parse --verify HEAD 2>/dev/null)
        if test "$curr_head" != "$orig_head"
        then