detect close failure on just-written file handles

[git.git] / git-rebase.sh

diff --git a/git-rebase.sh b/git-rebase.sh
index 99cedadda1da1ba2f62c22acfbd6477b1b2b38cb..2aa3a011dbe31e5167534a8bf443ff27dd96b38f 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -45,6 +45,7 @@ do_merge=
 dotest=$GIT_DIR/.dotest-merge
 prec=4
 verbose=
+git_am_opt=
 
 continue_merge () {
        test -n "$prev_head" || die "prev_head must be defined"
@@ -54,11 +55,11 @@ continue_merge () {
        if test -n "$unmerged"
        then
                echo "You still have unmerged paths in your index"
-               echo "did you forget update-index?"
+               echo "did you forget to use git add?"
                die "$RESOLVEMSG"
        fi
 
-       if test -n "`git-diff-index HEAD`"
+       if ! git-diff-index --quiet HEAD
        then
                if ! git-commit -C "`cat $dotest/current`"
                then
@@ -123,13 +124,11 @@ while case "$#" in 0) break ;; esac
 do
        case "$1" in
        --continue)
-               diff=$(git-diff-files)
-               case "$diff" in
-               ?*)     echo "You must edit all merge conflicts and then"
-                       echo "mark them as resolved using git update-index"
+               git-diff-files --quiet || {
+                       echo "You must edit all merge conflicts and then"
+                       echo "mark them as resolved using git add"
                        exit 1
-                       ;;
-               esac
+               }
                if test -d "$dotest"
                then
                        prev_head="`cat $dotest/prev_head`"
@@ -213,6 +212,10 @@ do
        -v|--verbose)
                verbose=t
                ;;
+       -C*)
+               git_am_opt=$1
+               shift
+               ;;
        -*)
                usage
                ;;
@@ -249,7 +252,8 @@ fi
 git-update-index --refresh || exit
 diff=$(git-diff-index --cached --name-status -r HEAD)
 case "$diff" in
-?*)    echo "$diff"
+?*)    echo "cannot rebase: your index is not up-to-date"
+       echo "$diff"
        exit 1
        ;;
 esac
@@ -259,6 +263,10 @@ upstream_name="$1"
 upstream=`git rev-parse --verify "${upstream_name}^0"` ||
     die "invalid upstream $upstream_name"
 
+# Make sure the branch to rebase onto is valid.
+onto_name=${newbase-"$upstream_name"}
+onto=$(git-rev-parse --verify "${onto_name}^0") || exit
+
 # If a hook exists, give it a chance to interrupt
 if test -x "$GIT_DIR/hooks/pre-rebase"
 then
@@ -285,10 +293,6 @@ case "$#" in
 esac
 branch=$(git-rev-parse --verify "${branch_name}^0") || exit
 
-# Make sure the branch to rebase onto is valid.
-onto_name=${newbase-"$upstream_name"}
-onto=$(git-rev-parse --verify "${onto_name}^0") || exit
-
 # Now we are rebasing commits $upstream..$branch on top of $onto
 
 # Check if we are already based on $onto, but this should be
@@ -303,7 +307,8 @@ fi
 if test -n "$verbose"
 then
        echo "Changes from $mb to $onto:"
-       git-diff-tree --stat --summary "$mb" "$onto"
+       # We want color (if set), but no pager
+       GIT_PAGER='' git-diff --stat --summary "$mb" "$onto"
 fi
 
 # Rewind the head to "$onto"; this saves our current head in ORIG_HEAD.
@@ -321,7 +326,7 @@ fi
 if test -z "$do_merge"
 then
        git-format-patch -k --stdout --full-index --ignore-if-in-upstream "$upstream"..ORIG_HEAD |
-       git am --binary -3 -k --resolvemsg="$RESOLVEMSG"
+       git am $git_am_opt --binary -3 -k --resolvemsg="$RESOLVEMSG"
        exit $?
 fi
 
@@ -335,8 +340,7 @@ prev_head=`git-rev-parse HEAD^0`
 echo "$prev_head" > "$dotest/prev_head"
 
 msgnum=0
-for cmt in `git-rev-list --no-merges "$upstream"..ORIG_HEAD \
-                       | @@PERL@@ -e 'print reverse <>'`
+for cmt in `git-rev-list --reverse --no-merges "$upstream"..ORIG_HEAD`
 do
        msgnum=$(($msgnum + 1))
        echo "$cmt" > "$dotest/cmt.$msgnum"