git-tar-tree: no more void pointer arithmetic

[git.git] / git-rebase.sh

diff --git a/git-rebase.sh b/git-rebase.sh
index 5956f06..e6b57b8 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -4,37 +4,61 @@
 #
 
 USAGE='[--onto <newbase>] <upstream> [<branch>]'
-LONG_USAGE='git-rebase applies to <upstream> (or optionally to <newbase>) commits
-from <branch> that do not appear in <upstream>. When <branch> is not
-specified it defaults to the current branch (HEAD).
-
-When git-rebase is complete, <branch> will be updated to point to the
-newly created line of commit objects, so the previous line will not be
-accessible unless there are other references to it already.
-
-Assuming the following history:
-
-          A---B---C topic
-         /
-    D---E---F---G master
-
-The result of the following command:
-
-    git-rebase --onto master~1 master topic
-
-  would be:
-
-              A'\''--B'\''--C'\'' topic
-             /
-    D---E---F---G master
+LONG_USAGE='git-rebase replaces <branch> with a new branch of the
+same name.  When the --onto option is provided the new branch starts
+out with a HEAD equal to <newbase>, otherwise it is equal to <upstream>
+It then attempts to create a new commit for each commit from the original
+<branch> that does not exist in the <upstream> branch.
+
+It is possible that a merge failure will prevent this process from being
+completely automatic.  You will have to resolve any such merge failure
+and run git rebase --continue.  Another option is to bypass the commit
+that caused the merge failure with git rebase --skip.  To restore the
+original <branch> and remove the .dotest working files, use the command
+git rebase --abort instead.
+
+Note that if <branch> is not specified on the command line, the
+currently checked out branch is used.  You must be in the top
+directory of your project to start (or continue) a rebase.
+
+Example:       git-rebase master~1 topic
+
+        A---B---C topic                   A'\''--B'\''--C'\'' topic
+       /                   -->           /
+  D---E---F---G master          D---E---F---G master
 '
-
 . git-sh-setup
 
+RESOLVEMSG="
+When you have resolved this problem run \"git rebase --continue\".
+If you would prefer to skip this patch, instead run \"git rebase --skip\".
+To restore the original branch and stop rebasing run \"git rebase --abort\".
+"
 unset newbase
 while case "$#" in 0) break ;; esac
 do
        case "$1" in
+       --continue)
+               diff=$(git-diff-files)
+               case "$diff" in
+               ?*)     echo "You must edit all merge conflicts and then"
+                       echo "mark them as resolved using git update-index"
+                       exit 1
+                       ;;
+               esac
+               git am --resolved --3way --resolvemsg="$RESOLVEMSG"
+               exit
+               ;;
+       --skip)
+               git am -3 --skip --resolvemsg="$RESOLVEMSG"
+               exit
+               ;;
+       --abort)
+               [ -d .dotest ] || die "No rebase in progress?"
+               git reset --hard ORIG_HEAD
+               rm -r .dotest
+               exit
+               ;;
        --onto)
                test 2 -le "$#" || usage
                newbase="$2"
@@ -94,7 +118,7 @@ case "$#" in
        ;;
 *)
        branch_name=`git symbolic-ref HEAD` || die "No current branch"
-       branch_name=`expr "$branch_name" : 'refs/heads/\(.*\)'`
+       branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
        ;;
 esac
 branch=$(git-rev-parse --verify "${branch_name}^0") || exit
@@ -107,7 +131,7 @@ onto=$(git-rev-parse --verify "${onto_name}^0") || exit
 
 # Check if we are already based on $onto, but this should be
 # done only when upstream and onto are the same.
-if test "$upstream" = "onto"
+if test "$upstream" = "$onto"
 then
        mb=$(git-merge-base "$onto" "$branch")
        if test "$mb" = "$onto"
@@ -128,5 +152,6 @@ then
        exit 0
 fi
 
-git-format-patch -k --stdout --full-index "$upstream" ORIG_HEAD |
-git am --binary -3 -k
+git-format-patch -k --stdout --full-index "$upstream"..ORIG_HEAD |
+git am --binary -3 -k --resolvemsg="$RESOLVEMSG"
+