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git/git-rebase--am.sh
Junio C Hamano ad7d3c3b39 Merge branch 'kw/rebase-progress'
"git rebase", especially when it is run by mistake and ends up
trying to replay many changes, spent long time in silence.  The
command has been taught to show progress report when it spends
long time preparing these many changes to replay (which would give
the user a chance to abort with ^C).

* kw/rebase-progress:
  rebase: turn on progress option by default for format-patch
  format-patch: have progress option while generating patches
2017-08-23 14:13:07 -07:00

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# 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.
#
# 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" \
${gpg_sign_opt:+"$gpg_sign_opt"} &&
move_to_original_branch
return
;;
skip)
git am --skip --resolvemsg="$resolvemsg" &&
move_to_original_branch
return
;;
esac
if test -z "$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 \
$allow_rerere_autoupdate --right-only "$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 \
$git_format_patch_opt \
"$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" \
$allow_rerere_autoupdate \
${gpg_sign_opt:+"$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
move_to_original_branch
}
# ... and then we call the whole thing.
git_rebase__am