diff options
Diffstat (limited to 'git-rebase--am.sh')
| -rw-r--r-- | git-rebase--am.sh | 97 |
1 files changed, 84 insertions, 13 deletions
diff --git a/git-rebase--am.sh b/git-rebase--am.sh index c815a2412c..375239341f 100644 --- a/git-rebase--am.sh +++ b/git-rebase--am.sh @@ -1,30 +1,101 @@ -#!/bin/sh +# This shell script fragment is sourced by git-rebase to implement +# its default, fast, patch-based, non-interactive mode. # # Copyright (c) 2010 Junio C Hamano. # -. git-sh-setup +# The whole contents of this file is run by dot-sourcing it from +# inside a shell function. It used to be that "return"s we see +# below were not inside any function, and expected to return +# to the function that dot-sourced us. +# +# However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a +# construct and continue to run the statements that follow such a "return". +# As a work-around, we introduce an extra layer of a function +# here, and immediately call it after defining it. +git_rebase__am () { case "$action" in continue) - git am --resolved --resolvemsg="$resolvemsg" && + git am --resolved --resolvemsg="$resolvemsg" \ + ${gpg_sign_opt:+"$gpg_sign_opt"} && move_to_original_branch - exit + return ;; skip) git am --skip --resolvemsg="$resolvemsg" && move_to_original_branch - exit + return ;; esac -test -n "$rebase_root" && root_flag=--root +if test -z "$rebase_root" + # this is now equivalent to ! -z "$upstream" +then + revisions=$upstream...$orig_head +else + revisions=$onto...$orig_head +fi + +ret=0 +if test -n "$keep_empty" +then + # we have to do this the hard way. git format-patch completely squashes + # empty commits and even if it didn't the format doesn't really lend + # itself well to recording empty patches. fortunately, cherry-pick + # makes this easy + git cherry-pick ${gpg_sign_opt:+"$gpg_sign_opt"} --allow-empty \ + --right-only "$revisions" \ + ${restrict_revision+^$restrict_revision} + ret=$? +else + rm -f "$GIT_DIR/rebased-patches" + + git format-patch -k --stdout --full-index --cherry-pick --right-only \ + --src-prefix=a/ --dst-prefix=b/ --no-renames --no-cover-letter \ + "$revisions" ${restrict_revision+^$restrict_revision} \ + >"$GIT_DIR/rebased-patches" + ret=$? + + if test 0 != $ret + then + rm -f "$GIT_DIR/rebased-patches" + case "$head_name" in + refs/heads/*) + git checkout -q "$head_name" + ;; + *) + git checkout -q "$orig_head" + ;; + esac + + cat >&2 <<-EOF + + git encountered an error while preparing the patches to replay + these revisions: + + $revisions + + As a result, git cannot rebase them. + EOF + return $ret + fi + + git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \ + ${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches" + ret=$? + + rm -f "$GIT_DIR/rebased-patches" +fi + +if test 0 != $ret +then + test -d "$state_dir" && write_basic_state + return $ret +fi -git format-patch -k --stdout --full-index --ignore-if-in-upstream \ - --src-prefix=a/ --dst-prefix=b/ \ - --no-renames $root_flag "$revisions" | -git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" && move_to_original_branch -ret=$? -test 0 != $ret -a -d "$state_dir" && write_basic_state -exit $ret + +} +# ... and then we call the whole thing. +git_rebase__am |