]> git.ipfire.org Git - thirdparty/git.git/blobdiff - git-rebase--interactive.sh
Merge git://git.bogomips.org/git-svn
[thirdparty/git.git] / git-rebase--interactive.sh
index b94c2a03867ddcd1fa0c2051f81cf14547b550f0..5873ba4bc3b2a94cd7754ae572072fd745dc059d 100755 (executable)
@@ -28,6 +28,7 @@ continue           continue rebasing process
 abort              abort rebasing process and restore original branch
 skip               skip current patch and continue rebasing process
 no-verify          override pre-rebase hook from stopping the operation
+verify             allow pre-rebase hook to run
 root               rebase all reachable commmits up to the root(s)
 autosquash         move commits that begin with squash!/fixup! under -i
 "
@@ -111,11 +112,12 @@ VERBOSE=
 OK_TO_SKIP_PRE_REBASE=
 REBASE_ROOT=
 AUTOSQUASH=
+test "$(git config --bool rebase.autosquash)" = "true" && AUTOSQUASH=t
 NEVER_FF=
 
-GIT_CHERRY_PICK_HELP="  After resolving the conflicts,
-mark the corrected paths with 'git add <paths>', and
-run 'git rebase --continue'"
+GIT_CHERRY_PICK_HELP="\
+hint: after resolving the conflicts, mark the corrected paths
+hint: with 'git add <paths>' and run 'git rebase --continue'"
 export GIT_CHERRY_PICK_HELP
 
 warn () {
@@ -152,14 +154,6 @@ run_pre_rebase_hook () {
        fi
 }
 
-require_clean_work_tree () {
-       # test if working tree is dirty
-       git rev-parse --verify HEAD > /dev/null &&
-       git update-index --ignore-submodules --refresh &&
-       git diff-files --quiet --ignore-submodules &&
-       git diff-index --cached --quiet HEAD --ignore-submodules -- ||
-       die "Working tree is dirty"
-}
 
 ORIG_REFLOG_ACTION="$GIT_REFLOG_ACTION"
 
@@ -537,6 +531,34 @@ do_next () {
                esac
                record_in_rewritten $sha1
                ;;
+       x|"exec")
+               read -r command rest < "$TODO"
+               mark_action_done
+               printf 'Executing: %s\n' "$rest"
+               # "exec" command doesn't take a sha1 in the todo-list.
+               # => can't just use $sha1 here.
+               git rev-parse --verify HEAD > "$DOTEST"/stopped-sha
+               ${SHELL:-@SHELL_PATH@} -c "$rest" # Actual execution
+               status=$?
+               if test "$status" -ne 0
+               then
+                       warn "Execution failed: $rest"
+                       warn "You can fix the problem, and then run"
+                       warn
+                       warn "  git rebase --continue"
+                       warn
+                       exit "$status"
+               fi
+               # Run in subshell because require_clean_work_tree can die.
+               if ! (require_clean_work_tree "rebase")
+               then
+                       warn "Commit or stash your changes, and then run"
+                       warn
+                       warn "  git rebase --continue"
+                       warn
+                       exit 1
+               fi
+               ;;
        *)
                warn "Unknown command: $command $sha1 $rest"
                if git rev-parse --verify -q "$sha1" >/dev/null
@@ -591,22 +613,30 @@ do_rest () {
 # skip picking commits whose parents are unchanged
 skip_unnecessary_picks () {
        fd=3
-       while read -r command sha1 rest
+       while read -r command rest
        do
                # fd=3 means we skip the command
-               case "$fd,$command,$(git rev-parse --verify --quiet $sha1^)" in
-               3,pick,"$ONTO"*|3,p,"$ONTO"*)
+               case "$fd,$command" in
+               3,pick|3,p)
                        # pick a commit whose parent is current $ONTO -> skip
-                       ONTO=$sha1
+                       sha1=${rest%% *}
+                       case "$(git rev-parse --verify --quiet "$sha1"^)" in
+                       "$ONTO"*)
+                               ONTO=$sha1
+                               ;;
+                       *)
+                               fd=1
+                               ;;
+                       esac
                        ;;
-               3,#*|3,,*)
+               3,#*|3,)
                        # copy comments
                        ;;
                *)
                        fd=1
                        ;;
                esac
-               printf '%s\n' "$command${sha1:+ }$sha1${rest:+ }$rest" >&$fd
+               printf '%s\n' "$command${rest:+ }$rest" >&$fd
        done <"$TODO" >"$TODO.new" 3>>"$DONE" &&
        mv -f "$TODO".new "$TODO" &&
        case "$(peek_next_command)" in
@@ -638,9 +668,27 @@ get_saved_options () {
 # comes immediately after the former, and change "pick" to
 # "fixup"/"squash".
 rearrange_squash () {
-       sed -n -e 's/^pick \([0-9a-f]*\) \(squash\)! /\1 \2 /p' \
-               -e 's/^pick \([0-9a-f]*\) \(fixup\)! /\1 \2 /p' \
-               "$1" >"$1.sq"
+       # extract fixup!/squash! lines and resolve any referenced sha1's
+       while read -r pick sha1 message
+       do
+               case "$message" in
+               "squash! "*|"fixup! "*)
+                       action="${message%%!*}"
+                       rest="${message#*! }"
+                       echo "$sha1 $action $rest"
+                       # if it's a single word, try to resolve to a full sha1 and
+                       # emit a second copy. This allows us to match on both message
+                       # and on sha1 prefix
+                       if test "${rest#* }" = "$rest"; then
+                               fullsha="$(git rev-parse -q --verify "$rest" 2>/dev/null)"
+                               if test -n "$fullsha"; then
+                                       # prefix the action to uniquely identify this line as
+                                       # intended for full sha1 match
+                                       echo "$sha1 +$action $fullsha"
+                               fi
+                       fi
+               esac
+       done >"$1.sq" <"$1"
        test -s "$1.sq" || return
 
        used=
@@ -650,14 +698,26 @@ rearrange_squash () {
                *" $sha1 "*) continue ;;
                esac
                printf '%s\n' "$pick $sha1 $message"
+               used="$used$sha1 "
                while read -r squash action msg
                do
-                       case "$message" in
-                       "$msg"*)
+                       case " $used" in
+                       *" $squash "*) continue ;;
+                       esac
+                       emit=0
+                       case "$action" in
+                       +*)
+                               action="${action#+}"
+                               # full sha1 prefix test
+                               case "$msg" in "$sha1"*) emit=1;; esac ;;
+                       *)
+                               # message prefix test
+                               case "$message" in "$msg"*) emit=1;; esac ;;
+                       esac
+                       if test $emit = 1; then
                                printf '%s\n' "$action $squash $action! $msg"
                                used="$used$squash "
-                               ;;
-                       esac
+                       fi
                done <"$1.sq"
        done >"$1.rearranged" <"$1"
        cat "$1.rearranged" >"$1"
@@ -690,6 +750,7 @@ do
                OK_TO_SKIP_PRE_REBASE=yes
                ;;
        --verify)
+               OK_TO_SKIP_PRE_REBASE=
                ;;
        --continue)
                is_standalone "$@" || usage
@@ -731,7 +792,7 @@ first and then run 'git rebase --continue' again."
 
                record_in_rewritten "$(cat "$DOTEST"/stopped-sha)"
 
-               require_clean_work_tree
+               require_clean_work_tree "rebase"
                do_rest
                ;;
        --abort)
@@ -795,6 +856,9 @@ first and then run 'git rebase --continue' again."
        --autosquash)
                AUTOSQUASH=t
                ;;
+       --no-autosquash)
+               AUTOSQUASH=
+               ;;
        --onto)
                shift
                ONTO=$(parse_onto "$1") ||
@@ -826,11 +890,11 @@ first and then run 'git rebase --continue' again."
 
                comment_for_reflog start
 
-               require_clean_work_tree
+               require_clean_work_tree "rebase" "Please commit or stash them."
 
                if test ! -z "$1"
                then
-                       output git checkout "$1" ||
+                       output git checkout "$1" -- ||
                                die "Could not checkout $1"
                fi
 
@@ -957,6 +1021,7 @@ first and then run 'git rebase --continue' again."
 #  e, edit = use commit, but stop for amending
 #  s, squash = use commit, but meld into previous commit
 #  f, fixup = like "squash", but discard this commit's log message
+#  x, exec = run command (the rest of the line) using shell
 #
 # If you remove a line here THAT COMMIT WILL BE LOST.
 # However, if you remove everything, the rebase will be aborted.