Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

executable file 897 lines (828 sloc) 21.927 kb
#!/bin/sh
#
# Copyright (c) 2005, 2006 Junio C Hamano
SUBDIRECTORY_OK=Yes
OPTIONS_KEEPDASHDASH=
OPTIONS_SPEC="\
git am [options] [(<mbox>|<Maildir>)...]
git am [options] (--resolved | --skip | --abort)
--
i,interactive run interactively
b,binary* (historical option -- no-op)
3,3way allow fall back on 3way merging if needed
q,quiet be quiet
s,signoff add a Signed-off-by line to the commit message
u,utf8 recode into utf8 (default)
k,keep pass -k flag to git-mailinfo
keep-non-patch pass -b flag to git-mailinfo
keep-cr pass --keep-cr flag to git-mailsplit for mbox format
no-keep-cr do not pass --keep-cr flag to git-mailsplit independent of am.keepcr
c,scissors strip everything before a scissors line
whitespace= pass it through git-apply
ignore-space-change pass it through git-apply
ignore-whitespace pass it through git-apply
directory= pass it through git-apply
exclude= pass it through git-apply
C= pass it through git-apply
p= pass it through git-apply
patch-format= format the patch(es) are in
reject pass it through git-apply
resolvemsg= override error message when patch failure occurs
continue continue applying patches after resolving a conflict
r,resolved synonyms for --continue
skip skip the current patch
abort restore the original branch and abort the patching operation.
committer-date-is-author-date lie about committer date
ignore-date use current timestamp for author date
rerere-autoupdate update the index with reused conflict resolution if possible
rebasing* (internal use for git-rebase)"
. git-sh-setup
. git-sh-i18n
prefix=$(git rev-parse --show-prefix)
set_reflog_action am
require_work_tree
cd_to_toplevel
git var GIT_COMMITTER_IDENT >/dev/null ||
die "$(gettext "You need to set your committer info first")"
if git rev-parse --verify -q HEAD >/dev/null
then
HAS_HEAD=yes
else
HAS_HEAD=
fi
cmdline="git am"
if test '' != "$interactive"
then
cmdline="$cmdline -i"
fi
if test '' != "$threeway"
then
cmdline="$cmdline -3"
fi
sq () {
git rev-parse --sq-quote "$@"
}
stop_here () {
echo "$1" >"$dotest/next"
git rev-parse --verify -q HEAD >"$dotest/abort-safety"
exit 1
}
safe_to_abort () {
if test -f "$dotest/dirtyindex"
then
return 1
fi
if ! test -s "$dotest/abort-safety"
then
return 0
fi
abort_safety=$(cat "$dotest/abort-safety")
if test "z$(git rev-parse --verify -q HEAD)" = "z$abort_safety"
then
return 0
fi
gettextln "You seem to have moved HEAD since the last 'am' failure.
Not rewinding to ORIG_HEAD" >&2
return 1
}
stop_here_user_resolve () {
if [ -n "$resolvemsg" ]; then
printf '%s\n' "$resolvemsg"
stop_here $1
fi
eval_gettextln "When you have resolved this problem run \"\$cmdline --resolved\".
If you would prefer to skip this patch, instead run \"\$cmdline --skip\".
To restore the original branch and stop patching run \"\$cmdline --abort\"."
stop_here $1
}
go_next () {
rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
"$dotest/patch" "$dotest/info"
echo "$next" >"$dotest/next"
this=$next
}
cannot_fallback () {
echo "$1"
gettextln "Cannot fall back to three-way merge."
exit 1
}
fall_back_3way () {
O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
rm -fr "$dotest"/patch-merge-*
mkdir "$dotest/patch-merge-tmp-dir"
# First see if the patch records the index info that we can use.
cmd="git apply $git_apply_opt --build-fake-ancestor" &&
cmd="$cmd "'"$dotest/patch-merge-tmp-index" "$dotest/patch"' &&
eval "$cmd" &&
GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
git write-tree >"$dotest/patch-merge-base+" ||
cannot_fallback "$(gettext "Repository lacks necessary blobs to fall back on 3-way merge.")"
say Using index info to reconstruct a base tree...
cmd='GIT_INDEX_FILE="$dotest/patch-merge-tmp-index"'
cmd="$cmd git apply --cached $git_apply_opt"' <"$dotest/patch"'
if eval "$cmd"
then
mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
else
cannot_fallback "$(gettext "Did you hand edit your patch?
It does not apply to blobs recorded in its index.")"
fi
test -f "$dotest/patch-merge-index" &&
his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git write-tree) &&
orig_tree=$(cat "$dotest/patch-merge-base") &&
rm -fr "$dotest"/patch-merge-* || exit 1
say "$(gettext "Falling back to patching base and 3-way merge...")"
# This is not so wrong. Depending on which base we picked,
# orig_tree may be wildly different from ours, but his_tree
# has the same set of wildly different changes in parts the
# patch did not touch, so recursive ends up canceling them,
# saying that we reverted all those changes.
eval GITHEAD_$his_tree='"$FIRSTLINE"'
export GITHEAD_$his_tree
if test -n "$GIT_QUIET"
then
GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
fi
git-merge-recursive $orig_tree -- HEAD $his_tree || {
git rerere $allow_rerere_autoupdate
echo Failed to merge in the changes.
exit 1
}
unset GITHEAD_$his_tree
}
clean_abort () {
test $# = 0 || echo >&2 "$@"
rm -fr "$dotest"
exit 1
}
patch_format=
check_patch_format () {
# early return if patch_format was set from the command line
if test -n "$patch_format"
then
return 0
fi
# we default to mbox format if input is from stdin and for
# directories
if test $# = 0 || test "x$1" = "x-" || test -d "$1"
then
patch_format=mbox
return 0
fi
# otherwise, check the first few non-blank lines of the first
# patch to try to detect its format
{
# Start from first line containing non-whitespace
l1=
while test -z "$l1"
do
read l1 || break
done
read l2
read l3
case "$l1" in
"From "* | "From: "*)
patch_format=mbox
;;
'# This series applies on GIT commit'*)
patch_format=stgit-series
;;
"# HG changeset patch")
patch_format=hg
;;
*)
# if the second line is empty and the third is
# a From, Author or Date entry, this is very
# likely an StGIT patch
case "$l2,$l3" in
,"From: "* | ,"Author: "* | ,"Date: "*)
patch_format=stgit
;;
*)
;;
esac
;;
esac
if test -z "$patch_format" &&
test -n "$l1" &&
test -n "$l2" &&
test -n "$l3"
then
# This begins with three non-empty lines. Is this a
# piece of e-mail a-la RFC2822? Grab all the headers,
# discarding the indented remainder of folded lines,
# and see if it looks like that they all begin with the
# header field names...
tr -d '\015' <"$1" |
sed -n -e '/^$/q' -e '/^[ ]/d' -e p |
sane_egrep -v '^[!-9;-~]+:' >/dev/null ||
patch_format=mbox
fi
} < "$1" || clean_abort
}
split_patches () {
case "$patch_format" in
mbox)
if test -n "$rebasing" || test t = "$keepcr"
then
keep_cr=--keep-cr
else
keep_cr=
fi
git mailsplit -d"$prec" -o"$dotest" -b $keep_cr -- "$@" > "$dotest/last" ||
clean_abort
;;
stgit-series)
if test $# -ne 1
then
clean_abort "$(gettext "Only one StGIT patch series can be applied at once")"
fi
series_dir=`dirname "$1"`
series_file="$1"
shift
{
set x
while read filename
do
set "$@" "$series_dir/$filename"
done
# remove the safety x
shift
# remove the arg coming from the first-line comment
shift
} < "$series_file" || clean_abort
# set the patch format appropriately
patch_format=stgit
# now handle the actual StGIT patches
split_patches "$@"
;;
stgit)
this=0
for stgit in "$@"
do
this=`expr "$this" + 1`
msgnum=`printf "%0${prec}d" $this`
# Perl version of StGIT parse_patch. The first nonemptyline
# not starting with Author, From or Date is the
# subject, and the body starts with the next nonempty
# line not starting with Author, From or Date
perl -ne 'BEGIN { $subject = 0 }
if ($subject > 1) { print ; }
elsif (/^\s+$/) { next ; }
elsif (/^Author:/) { s/Author/From/ ; print ;}
elsif (/^(From|Date)/) { print ; }
elsif ($subject) {
$subject = 2 ;
print "\n" ;
print ;
} else {
print "Subject: ", $_ ;
$subject = 1;
}
' < "$stgit" > "$dotest/$msgnum" || clean_abort
done
echo "$this" > "$dotest/last"
this=
msgnum=
;;
hg)
this=0
for hg in "$@"
do
this=$(( $this + 1 ))
msgnum=$(printf "%0${prec}d" $this)
# hg stores changeset metadata in #-commented lines preceding
# the commit message and diff(s). The only metadata we care about
# are the User and Date (Node ID and Parent are hashes which are
# only relevant to the hg repository and thus not useful to us)
# Since we cannot guarantee that the commit message is in
# git-friendly format, we put no Subject: line and just consume
# all of the message as the body
perl -M'POSIX qw(strftime)' -ne 'BEGIN { $subject = 0 }
if ($subject) { print ; }
elsif (/^\# User /) { s/\# User/From:/ ; print ; }
elsif (/^\# Date /) {
my ($hashsign, $str, $time, $tz) = split ;
$tz = sprintf "%+05d", (0-$tz)/36;
print "Date: " .
strftime("%a, %d %b %Y %H:%M:%S ",
localtime($time))
. "$tz\n";
} elsif (/^\# /) { next ; }
else {
print "\n", $_ ;
$subject = 1;
}
' <"$hg" >"$dotest/$msgnum" || clean_abort
done
echo "$this" >"$dotest/last"
this=
msgnum=
;;
*)
if test -n "$patch_format"
then
clean_abort "$(eval_gettext "Patch format \$patch_format is not supported.")"
else
clean_abort "$(gettext "Patch format detection failed.")"
fi
;;
esac
}
prec=4
dotest="$GIT_DIR/rebase-apply"
sign= utf8=t keep= keepcr= skip= interactive= resolved= rebasing= abort=
resolvemsg= resume= scissors= no_inbody_headers=
git_apply_opt=
committer_date_is_author_date=
ignore_date=
allow_rerere_autoupdate=
if test "$(git config --bool --get am.keepcr)" = true
then
keepcr=t
fi
while test $# != 0
do
case "$1" in
-i|--interactive)
interactive=t ;;
-b|--binary)
: ;;
-3|--3way)
threeway=t ;;
-s|--signoff)
sign=t ;;
-u|--utf8)
utf8=t ;; # this is now default
--no-utf8)
utf8= ;;
-k|--keep)
keep=t ;;
--keep-non-patch)
keep=b ;;
-c|--scissors)
scissors=t ;;
--no-scissors)
scissors=f ;;
-r|--resolved|--continue)
resolved=t ;;
--skip)
skip=t ;;
--abort)
abort=t ;;
--rebasing)
rebasing=t threeway=t keep=t scissors=f no_inbody_headers=t ;;
-d|--dotest)
die "$(gettext "-d option is no longer supported. Do not use.")"
;;
--resolvemsg)
shift; resolvemsg=$1 ;;
--whitespace|--directory|--exclude)
git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
-C|-p)
git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
--patch-format)
shift ; patch_format="$1" ;;
--reject|--ignore-whitespace|--ignore-space-change)
git_apply_opt="$git_apply_opt $1" ;;
--committer-date-is-author-date)
committer_date_is_author_date=t ;;
--ignore-date)
ignore_date=t ;;
--rerere-autoupdate|--no-rerere-autoupdate)
allow_rerere_autoupdate="$1" ;;
-q|--quiet)
GIT_QUIET=t ;;
--keep-cr)
keepcr=t ;;
--no-keep-cr)
keepcr=f ;;
--)
shift; break ;;
*)
usage ;;
esac
shift
done
# If the dotest directory exists, but we have finished applying all the
# patches in them, clear it out.
if test -d "$dotest" &&
last=$(cat "$dotest/last") &&
next=$(cat "$dotest/next") &&
test $# != 0 &&
test "$next" -gt "$last"
then
rm -fr "$dotest"
fi
if test -d "$dotest"
then
case "$#,$skip$resolved$abort" in
0,*t*)
# Explicit resume command and we do not have file, so
# we are happy.
: ;;
0,)
# No file input but without resume parameters; catch
# user error to feed us a patch from standard input
# when there is already $dotest. This is somewhat
# unreliable -- stdin could be /dev/null for example
# and the caller did not intend to feed us a patch but
# wanted to continue unattended.
test -t 0
;;
*)
false
;;
esac ||
die "$(eval_gettext "previous rebase directory \$dotest still exists but mbox given.")"
resume=yes
case "$skip,$abort" in
t,t)
die "$(gettext "Please make up your mind. --skip or --abort?")"
;;
t,)
git rerere clear
git read-tree --reset -u HEAD HEAD
orig_head=$(cat "$GIT_DIR/ORIG_HEAD")
git reset HEAD
git update-ref ORIG_HEAD $orig_head
;;
,t)
if test -f "$dotest/rebasing"
then
exec git rebase --abort
fi
git rerere clear
if safe_to_abort
then
git read-tree --reset -u HEAD ORIG_HEAD
git reset ORIG_HEAD
fi
rm -fr "$dotest"
exit ;;
esac
rm -f "$dotest/dirtyindex"
else
# Make sure we are not given --skip, --resolved, nor --abort
test "$skip$resolved$abort" = "" ||
die "$(gettext "Resolve operation not in progress, we are not resuming.")"
# Start afresh.
mkdir -p "$dotest" || exit
if test -n "$prefix" && test $# != 0
then
first=t
for arg
do
test -n "$first" && {
set x
first=
}
if is_absolute_path "$arg"
then
set "$@" "$arg"
else
set "$@" "$prefix$arg"
fi
done
shift
fi
check_patch_format "$@"
split_patches "$@"
# -i can and must be given when resuming; everything
# else is kept
echo " $git_apply_opt" >"$dotest/apply-opt"
echo "$threeway" >"$dotest/threeway"
echo "$sign" >"$dotest/sign"
echo "$utf8" >"$dotest/utf8"
echo "$keep" >"$dotest/keep"
echo "$scissors" >"$dotest/scissors"
echo "$no_inbody_headers" >"$dotest/no_inbody_headers"
echo "$GIT_QUIET" >"$dotest/quiet"
echo 1 >"$dotest/next"
if test -n "$rebasing"
then
: >"$dotest/rebasing"
else
: >"$dotest/applying"
if test -n "$HAS_HEAD"
then
git update-ref ORIG_HEAD HEAD
else
git update-ref -d ORIG_HEAD >/dev/null 2>&1
fi
fi
fi
git update-index -q --refresh
case "$resolved" in
'')
case "$HAS_HEAD" in
'')
files=$(git ls-files) ;;
?*)
files=$(git diff-index --cached --name-only HEAD --) ;;
esac || exit
if test "$files"
then
test -n "$HAS_HEAD" && : >"$dotest/dirtyindex"
die "$(eval_gettext "Dirty index: cannot apply patches (dirty: \$files)")"
fi
esac
# Now, decide what command line options we will give to the git
# commands we invoke, based on the result of parsing command line
# options and previous invocation state stored in $dotest/ files.
if test "$(cat "$dotest/utf8")" = t
then
utf8=-u
else
utf8=-n
fi
keep=$(cat "$dotest/keep")
case "$keep" in
t)
keep=-k ;;
b)
keep=-b ;;
*)
keep= ;;
esac
case "$(cat "$dotest/scissors")" in
t)
scissors=--scissors ;;
f)
scissors=--no-scissors ;;
esac
if test "$(cat "$dotest/no_inbody_headers")" = t
then
no_inbody_headers=--no-inbody-headers
else
no_inbody_headers=
fi
if test "$(cat "$dotest/quiet")" = t
then
GIT_QUIET=t
fi
if test "$(cat "$dotest/threeway")" = t
then
threeway=t
fi
git_apply_opt=$(cat "$dotest/apply-opt")
if test "$(cat "$dotest/sign")" = t
then
SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
s/>.*/>/
s/^/Signed-off-by: /'
`
else
SIGNOFF=
fi
last=`cat "$dotest/last"`
this=`cat "$dotest/next"`
if test "$skip" = t
then
this=`expr "$this" + 1`
resume=
fi
while test "$this" -le "$last"
do
msgnum=`printf "%0${prec}d" $this`
next=`expr "$this" + 1`
test -f "$dotest/$msgnum" || {
resume=
go_next
continue
}
# If we are not resuming, parse and extract the patch information
# into separate files:
# - info records the authorship and title
# - msg is the rest of commit log message
# - patch is the patch body.
#
# When we are resuming, these files are either already prepared
# by the user, or the user can tell us to do so by --resolved flag.
case "$resume" in
'')
git mailinfo $keep $no_inbody_headers $scissors $utf8 "$dotest/msg" "$dotest/patch" \
<"$dotest/$msgnum" >"$dotest/info" ||
stop_here $this
# skip pine's internal folder data
sane_grep '^Author: Mail System Internal Data$' \
<"$dotest"/info >/dev/null &&
go_next && continue
test -s "$dotest/patch" || {
eval_gettextln "Patch is empty. Was it split wrong?
If you would prefer to skip this patch, instead run \"\$cmdline --skip\".
To restore the original branch and stop patching run \"\$cmdline --abort\"."
stop_here $this
}
rm -f "$dotest/original-commit" "$dotest/author-script"
if test -f "$dotest/rebasing" &&
commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \
-e q "$dotest/$msgnum") &&
test "$(git cat-file -t "$commit")" = commit
then
git cat-file commit "$commit" |
sed -e '1,/^$/d' >"$dotest/msg-clean"
echo "$commit" > "$dotest/original-commit"
get_author_ident_from_commit "$commit" > "$dotest/author-script"
else
{
sed -n '/^Subject/ s/Subject: //p' "$dotest/info"
echo
cat "$dotest/msg"
} |
git stripspace > "$dotest/msg-clean"
fi
;;
esac
if test -f "$dotest/author-script"
then
eval $(cat "$dotest/author-script")
else
GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
fi
if test -z "$GIT_AUTHOR_EMAIL"
then
gettextln "Patch does not have a valid e-mail address."
stop_here $this
fi
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
case "$resume" in
'')
if test '' != "$SIGNOFF"
then
LAST_SIGNED_OFF_BY=`
sed -ne '/^Signed-off-by: /p' \
"$dotest/msg-clean" |
sed -ne '$p'
`
ADD_SIGNOFF=`
test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
test '' = "$LAST_SIGNED_OFF_BY" && echo
echo "$SIGNOFF"
}`
else
ADD_SIGNOFF=
fi
{
if test -s "$dotest/msg-clean"
then
cat "$dotest/msg-clean"
fi
if test '' != "$ADD_SIGNOFF"
then
echo "$ADD_SIGNOFF"
fi
} >"$dotest/final-commit"
;;
*)
case "$resolved$interactive" in
tt)
# This is used only for interactive view option.
git diff-index -p --cached HEAD -- >"$dotest/patch"
;;
esac
esac
resume=
if test "$interactive" = t
then
test -t 0 ||
die "$(gettext "cannot be interactive without stdin connected to a terminal.")"
action=again
while test "$action" = again
do
gettextln "Commit Body is:"
echo "--------------------------"
cat "$dotest/final-commit"
echo "--------------------------"
# TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
# in your translation. The program will only accept English
# input at this point.
gettext "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
read reply
case "$reply" in
[yY]*) action=yes ;;
[aA]*) action=yes interactive= ;;
[nN]*) action=skip ;;
[eE]*) git_editor "$dotest/final-commit"
action=again ;;
[vV]*) action=again
git_pager "$dotest/patch" ;;
*) action=again ;;
esac
done
else
action=yes
fi
if test -f "$dotest/final-commit"
then
FIRSTLINE=$(sed 1q "$dotest/final-commit")
else
FIRSTLINE=""
fi
if test $action = skip
then
go_next
continue
fi
if test -x "$GIT_DIR"/hooks/applypatch-msg
then
"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" ||
stop_here $this
fi
say "$(eval_gettext "Applying: \$FIRSTLINE")"
case "$resolved" in
'')
# When we are allowed to fall back to 3-way later, don't give
# false errors during the initial attempt.
squelch=
if test "$threeway" = t
then
squelch='>/dev/null 2>&1 '
fi
eval "git apply $squelch$git_apply_opt"' --index "$dotest/patch"'
apply_status=$?
;;
t)
# Resolved means the user did all the hard work, and
# we do not have to do any patch application. Just
# trust what the user has in the index file and the
# working tree.
resolved=
git diff-index --quiet --cached HEAD -- && {
gettextln "No changes - did you forget to use 'git add'?
If there is nothing left to stage, chances are that something else
already introduced the same changes; you might want to skip this patch."
stop_here_user_resolve $this
}
unmerged=$(git ls-files -u)
if test -n "$unmerged"
then
gettextln "You still have unmerged paths in your index
did you forget to use 'git add'?"
stop_here_user_resolve $this
fi
apply_status=0
git rerere
;;
esac
if test $apply_status != 0 && test "$threeway" = t
then
if (fall_back_3way)
then
# Applying the patch to an earlier tree and merging the
# result may have produced the same tree as ours.
git diff-index --quiet --cached HEAD -- && {
say "$(gettext "No changes -- Patch already applied.")"
go_next
continue
}
# clear apply_status -- we have successfully merged.
apply_status=0
fi
fi
if test $apply_status != 0
then
eval_gettextln 'Patch failed at $msgnum $FIRSTLINE'
stop_here_user_resolve $this
fi
if test -x "$GIT_DIR"/hooks/pre-applypatch
then
"$GIT_DIR"/hooks/pre-applypatch || stop_here $this
fi
tree=$(git write-tree) &&
commit=$(
if test -n "$ignore_date"
then
GIT_AUTHOR_DATE=
fi
parent=$(git rev-parse --verify -q HEAD) ||
say >&2 "$(gettext "applying to an empty history")"
if test -n "$committer_date_is_author_date"
then
GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
export GIT_COMMITTER_DATE
fi &&
git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
) &&
git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
stop_here $this
if test -f "$dotest/original-commit"; then
echo "$(cat "$dotest/original-commit") $commit" >> "$dotest/rewritten"
fi
if test -x "$GIT_DIR"/hooks/post-applypatch
then
"$GIT_DIR"/hooks/post-applypatch
fi
go_next
done
if test -s "$dotest"/rewritten; then
git notes copy --for-rewrite=rebase < "$dotest"/rewritten
if test -x "$GIT_DIR"/hooks/post-rewrite; then
"$GIT_DIR"/hooks/post-rewrite rebase < "$dotest"/rewritten
fi
fi
rm -fr "$dotest"
git gc --auto
Jump to Line
Something went wrong with that request. Please try again.