fast-import.c: fix regression due to strbuf conversion
[gitweb.git] / git-rebase.sh
index c8bd0f99d1306cd311eaf45f73581efc8bb0e512..1583402a060793c25e49c3446c2a35fe27101883 100755 (executable)
@@ -3,7 +3,7 @@
 # Copyright (c) 2005 Junio C Hamano.
 #
 
-USAGE='[-v] [--onto <newbase>] <upstream> [<branch>]'
+USAGE='[--interactive | -i] [-v] [--onto <newbase>] <upstream> [<branch>]'
 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>
@@ -45,35 +45,36 @@ do_merge=
 dotest=$GIT_DIR/.dotest-merge
 prec=4
 verbose=
+git_am_opt=
 
 continue_merge () {
        test -n "$prev_head" || die "prev_head must be defined"
        test -d "$dotest" || die "$dotest directory does not exist"
 
-       unmerged=$(git-ls-files -u)
+       unmerged=$(git ls-files -u)
        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`"
+       cmt=`cat $dotest/current`
+       if ! git diff-index --quiet HEAD
        then
-               if ! git-commit -C "`cat $dotest/current`"
+               if ! git-commit -C "$cmt"
                then
                        echo "Commit failed, please do not call \"git commit\""
                        echo "directly, but instead do one of the following: "
                        die "$RESOLVEMSG"
                fi
-               printf "Committed: %0${prec}d" $msgnum
+               printf "Committed: %0${prec}d " $msgnum
        else
-               printf "Already applied: %0${prec}d" $msgnum
+               printf "Already applied: %0${prec}d " $msgnum
        fi
-       echo ' '`git-rev-list --pretty=oneline -1 HEAD | \
-                               sed 's/^[a-f0-9]\+ //'`
+       git rev-list --pretty=oneline -1 "$cmt" | sed -e 's/^[^ ]* //'
 
-       prev_head=`git-rev-parse HEAD^0`
+       prev_head=`git rev-parse HEAD^0`
        # save the resulting commit so we can read-tree on it later
        echo "$prev_head" > "$dotest/prev_head"
 
@@ -85,8 +86,8 @@ continue_merge () {
 call_merge () {
        cmt="$(cat $dotest/cmt.$1)"
        echo "$cmt" > "$dotest/current"
-       hd=$(git-rev-parse --verify HEAD)
-       cmt_name=$(git-symbolic-ref HEAD)
+       hd=$(git rev-parse --verify HEAD)
+       cmt_name=$(git symbolic-ref HEAD)
        msgnum=$(cat $dotest/msgnum)
        end=$(cat $dotest/end)
        eval GITHEAD_$cmt='"${cmt_name##refs/heads/}~$(($end - $msgnum))"'
@@ -100,7 +101,7 @@ call_merge () {
                return
                ;;
        1)
-               test -d "$GIT_DIR/rr-cache" && git-rerere
+               git rerere
                die "$RESOLVEMSG"
                ;;
        2)
@@ -119,17 +120,24 @@ finish_rb_merge () {
        echo "All done."
 }
 
-while case "$#" in 0) break ;; esac
+is_interactive () {
+       test -f "$dotest"/interactive ||
+       while :; do case $#,"$1" in 0,|*,-i|*,--interactive) break ;; esac
+               shift
+       done && test -n "$1"
+}
+
+is_interactive "$@" && exec git-rebase--interactive "$@"
+
+while test $# != 0
 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 $dotest/prev_head`"
@@ -151,10 +159,7 @@ do
        --skip)
                if test -d "$dotest"
                then
-                       if test -d "$GIT_DIR/rr-cache"
-                       then
-                               git-rerere clear
-                       fi
+                       git rerere clear
                        prev_head="`cat $dotest/prev_head`"
                        end="`cat $dotest/end`"
                        msgnum="`cat $dotest/msgnum`"
@@ -172,10 +177,7 @@ do
                exit
                ;;
        --abort)
-               if test -d "$GIT_DIR/rr-cache"
-               then
-                       git-rerere clear
-               fi
+               git rerere clear
                if test -d "$dotest"
                then
                        rm -r "$dotest"
@@ -213,6 +215,12 @@ do
        -v|--verbose)
                verbose=t
                ;;
+       --whitespace=*)
+               git_am_opt="$git_am_opt $1"
+               ;;
+       -C*)
+               git_am_opt="$git_am_opt $1"
+               ;;
        -*)
                usage
                ;;
@@ -246,10 +254,11 @@ else
 fi
 
 # The tree must be really really clean.
-git-update-index --refresh || exit
-diff=$(git-diff-index --cached --name-status -r HEAD)
+git update-index --refresh || exit
+diff=$(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 +268,10 @@ 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 "$GIT_DIR/hooks/pre-rebase"
 then
@@ -275,22 +288,24 @@ case "$#" in
        git-checkout "$2" || usage
        ;;
 *)
-       branch_name=`git symbolic-ref HEAD` || die "No current branch"
-       branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+       if branch_name=`git symbolic-ref -q HEAD`
+       then
+               branch_name=`expr "z$branch_name" : 'zrefs/heads/\(.*\)'`
+       else
+               branch_name=HEAD ;# detached
+       fi
        ;;
 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
+branch=$(git rev-parse --verify "${branch_name}^0") || exit
 
 # Now we are rebasing commits $upstream..$branch on top of $onto
 
-# Check if we are already based on $onto, but this should be
-# done only when upstream and onto are the same.
-mb=$(git-merge-base "$onto" "$branch")
-if test "$upstream" = "$onto" && test "$mb" = "$onto"
+# Check if we are already based on $onto with linear history,
+# but this should be done only when upstream and onto are the same.
+mb=$(git merge-base "$onto" "$branch")
+if test "$upstream" = "$onto" && test "$mb" = "$onto" &&
+       # linear history?
+       ! git rev-list --parents "$onto".."$branch" | grep " .* " > /dev/null
 then
        echo >&2 "Current branch $branch_name is up to date."
        exit 0
@@ -299,7 +314,8 @@ fi
 if test -n "$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.
@@ -316,8 +332,8 @@ 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="$RESOLVEMSG"
+       git format-patch -k --stdout --full-index --ignore-if-in-upstream "$upstream"..ORIG_HEAD |
+       git am $git_am_opt --binary -3 -k --resolvemsg="$RESOLVEMSG"
        exit $?
 fi
 
@@ -327,12 +343,11 @@ fi
 mkdir -p "$dotest"
 echo "$onto" > "$dotest/onto"
 echo "$onto_name" > "$dotest/onto_name"
-prev_head=`git-rev-parse HEAD^0`
+prev_head=`git rev-parse HEAD^0`
 echo "$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"