#!/bin/sh
#
-#
-. git-sh-setup || die "Not a git archive"
-
-files=$(git-diff-index --cached --name-only HEAD) || exit
-if [ "$files" ]; then
- echo "Dirty index: cannot apply patches (dirty: $files)" >&2
- exit 1
-fi
-
-usage () {
- echo >&2 "usage: $0 [--signoff] [--dotest=<dir>] [--utf8] [--3way] <mbox>"
- echo >&2 " or, when resuming"
- echo >&2 " $0 [--skip]"
- exit 1;
-}
+# Copyright (c) 2005, 2006 Junio C Hamano
+
+SUBDIRECTORY_OK=Yes
+OPTIONS_KEEPDASHDASH=
+OPTIONS_SPEC="\
+git-am [options] <mbox>|<Maildir>...
+git-am [options] --resolved
+git-am [options] --skip
+--
+d,dotest= (removed -- do not use)
+i,interactive run interactively
+b,binary pass --allow-binary-replacement to git-apply
+3,3way allow fall back on 3way merging if needed
+s,signoff add a Signed-off-by line to the commit message
+u,utf8 recode into utf8 (default)
+k,keep pass -k flag to git-mailinfo
+whitespace= pass it through git-apply
+C= pass it through git-apply
+p= pass it through git-apply
+resolvemsg= override error message when patch failure occurs
+r,resolved to be used after a patch failure
+skip skip the current patch
+rebasing (internal use for git-rebase)"
+
+. git-sh-setup
+prefix=$(git rev-parse --show-prefix)
+set_reflog_action am
+require_work_tree
+cd_to_toplevel
+
+git var GIT_COMMITTER_IDENT >/dev/null || exit
stop_here () {
echo "$1" >"$dotest/next"
exit 1
}
+stop_here_user_resolve () {
+ if [ -n "$resolvemsg" ]; then
+ printf '%s\n' "$resolvemsg"
+ stop_here $1
+ fi
+ cmdline=$(basename $0)
+ if test '' != "$interactive"
+ then
+ cmdline="$cmdline -i"
+ fi
+ if test '' != "$threeway"
+ then
+ cmdline="$cmdline -3"
+ fi
+ echo "When you have resolved this problem run \"$cmdline --resolved\"."
+ echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
+
+ stop_here $1
+}
+
go_next () {
rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
"$dotest/patch" "$dotest/info"
this=$next
}
+cannot_fallback () {
+ echo "$1"
+ echo "Cannot fall back to three-way merge."
+ exit 1
+}
+
fall_back_3way () {
O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
mkdir "$dotest/patch-merge-tmp-dir"
# First see if the patch records the index info that we can use.
- if git-apply -z --index-info "$dotest/patch" \
- >"$dotest/patch-merge-index-info" 2>/dev/null &&
- GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
- git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
- GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
- git-write-tree >"$dotest/patch-merge-base+" &&
- # index has the base tree now.
- (
- cd "$dotest/patch-merge-tmp-dir" &&
- GIT_INDEX_FILE="../patch-merge-tmp-index" \
- GIT_OBJECT_DIRECTORY="$O_OBJECT" \
- git-apply --index <../patch
- )
+ git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
+ "$dotest/patch" &&
+ GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+ git write-tree >"$dotest/patch-merge-base+" ||
+ cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."
+
+ echo Using index info to reconstruct a base tree...
+ if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+ git apply $binary --cached <"$dotest/patch"
then
- echo Using index info to reconstruct a base tree...
mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
else
- # Otherwise, try nearby trees that can be used to apply the
- # patch.
- (
- N=10
-
- # Hoping the patch is against our recent commits...
- git-rev-list --max-count=$N HEAD
-
- # or hoping the patch is against known tags...
- git-ls-remote --tags .
- ) |
- while read base junk
- do
- # See if we have it as a tree...
- git-cat-file tree "$base" >/dev/null 2>&1 || continue
-
- rm -fr "$dotest"/patch-merge-* &&
- mkdir "$dotest/patch-merge-tmp-dir" || break
- (
- cd "$dotest/patch-merge-tmp-dir" &&
- GIT_INDEX_FILE=../patch-merge-tmp-index &&
- GIT_OBJECT_DIRECTORY="$O_OBJECT" &&
- export GIT_INDEX_FILE GIT_OBJECT_DIRECTORY &&
- git-read-tree "$base" &&
- git-apply --index &&
- mv ../patch-merge-tmp-index ../patch-merge-index &&
- echo "$base" >../patch-merge-base
- ) <"$dotest/patch" 2>/dev/null && break
- done
+ cannot_fallback "Did you hand edit your patch?
+It does not apply to blobs recorded in its index."
fi
test -f "$dotest/patch-merge-index" &&
- his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git-write-tree) &&
+ 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
# 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 resolve ends up cancelling them,
+ # patch did not touch, so recursive ends up canceling them,
# saying that we reverted all those changes.
- git-merge-resolve $orig_tree -- HEAD $his_tree || {
+ eval GITHEAD_$his_tree='"$FIRSTLINE"'
+ export GITHEAD_$his_tree
+ git-merge-recursive $orig_tree -- HEAD $his_tree || {
+ git rerere
echo Failed to merge in the changes.
exit 1
}
+ unset GITHEAD_$his_tree
}
prec=4
-dotest=.dotest sign= utf8= keep= skip= interactive=
+dotest=".dotest"
+sign= utf8=t keep= skip= interactive= resolved= binary= rebasing=
+resolvemsg= resume=
+git_apply_opt=
-while case "$#" in 0) break;; esac
+while test $# != 0
do
case "$1" in
- -d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)
- dotest=`expr "$1" : '-[^=]*=\(.*\)'`; shift ;;
- -d|--d|--do|--dot|--dote|--dotes|--dotest)
- case "$#" in 1) usage ;; esac; shift
- dotest="$1"; shift;;
-
- -i|--i|--in|--int|--inte|--inter|--intera|--interac|--interact|\
- --interacti|--interactiv|--interactive)
- interactive=t; shift ;;
-
- -3|--3|--3w|--3wa|--3way)
- threeway=t; shift ;;
- -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
- sign=t; shift ;;
- -u|--u|--ut|--utf|--utf8)
- utf8=t; shift ;;
- -k|--k|--ke|--kee|--keep)
- keep=t; shift ;;
-
- --sk|--ski|--skip)
- skip=t; shift ;;
-
+ -i|--interactive)
+ interactive=t ;;
+ -b|--binary)
+ binary=t ;;
+ -3|--3way)
+ threeway=t ;;
+ -s|--signoff)
+ sign=t ;;
+ -u|--utf8)
+ utf8=t ;; # this is now default
+ --no-utf8)
+ utf8= ;;
+ -k|--keep)
+ keep=t ;;
+ -r|--resolved)
+ resolved=t ;;
+ --skip)
+ skip=t ;;
+ --rebasing)
+ rebasing=t threeway=t keep=t binary=t ;;
+ -d|--dotest)
+ die "-d option is no longer supported. Do not use."
+ ;;
+ --resolvemsg)
+ shift; resolvemsg=$1 ;;
+ --whitespace)
+ git_apply_opt="$git_apply_opt $1=$2"; shift ;;
+ -C|-p)
+ git_apply_opt="$git_apply_opt $1$2"; shift ;;
--)
- shift; break ;;
- -*)
- usage ;;
+ shift; break ;;
*)
- break ;;
+ usage ;;
esac
+ shift
done
+# If the dotest directory exists, but we have finished applying all the
+# patches in them, clear it out.
if test -d "$dotest" &&
last=$(cat "$dotest/last") &&
next=$(cat "$dotest/next") &&
if test -d "$dotest"
then
- test ",$#," = ",0," ||
+ case "$#,$skip$resolved" 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.
+ tty -s
+ ;;
+ *)
+ false
+ ;;
+ esac ||
die "previous dotest directory $dotest still exists but mbox given."
resume=yes
else
- # Make sure we are not given --skip
- test ",$skip," = ,, ||
- die "we are not resuming."
+ # Make sure we are not given --skip nor --resolved
+ test ",$skip,$resolved," = ,,, ||
+ die "Resolve operation not in progress, we are not resuming."
# Start afresh.
mkdir -p "$dotest" || exit
- # cat does the right thing for us, including '-' to mean
- # standard input.
- cat "$@" |
- git-mailsplit -d$prec "$dotest/" >"$dotest/last" || {
+ if test -n "$prefix" && test $# != 0
+ then
+ first=t
+ for arg
+ do
+ test -n "$first" && {
+ set x
+ first=
+ }
+ case "$arg" in
+ /*)
+ set "$@" "$arg" ;;
+ *)
+ set "$@" "$prefix$arg" ;;
+ esac
+ done
+ shift
+ fi
+ git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" || {
rm -fr "$dotest"
exit 1
}
+ # -b, -s, -u, -k and --whitespace flags are kept for the
+ # resuming session after a patch failure.
+ # -3 and -i can and must be given when resuming.
+ echo "$binary" >"$dotest/binary"
+ echo " $ws" >"$dotest/whitespace"
echo "$sign" >"$dotest/sign"
echo "$utf8" >"$dotest/utf8"
echo "$keep" >"$dotest/keep"
echo 1 >"$dotest/next"
+ if test -n "$rebasing"
+ then
+ : >"$dotest/rebasing"
+ else
+ : >"$dotest/applying"
+ fi
fi
+case "$resolved" in
+'')
+ files=$(git diff-index --cached --name-only HEAD --) || exit
+ if [ "$files" ]; then
+ echo "Dirty index: cannot apply patches (dirty: $files)" >&2
+ exit 1
+ fi
+esac
+
+if test "$(cat "$dotest/binary")" = t
+then
+ binary=--allow-binary-replacement
+fi
if test "$(cat "$dotest/utf8")" = t
then
utf8=-u
+else
+ utf8=-n
fi
if test "$(cat "$dotest/keep")" = t
then
keep=-k
fi
+ws=`cat "$dotest/whitespace"`
if test "$(cat "$dotest/sign")" = t
then
SIGNOFF=`git-var GIT_COMMITTER_IDENT | sed -e '
this=`cat "$dotest/next"`
if test "$skip" = t
then
+ git rerere clear
this=`expr "$this" + 1`
+ resume=
fi
if test "$this" -gt "$last"
msgnum=`printf "%0${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 $utf8 "$dotest/msg" "$dotest/patch" \
+ git mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
<"$dotest/$msgnum" >"$dotest/info" ||
stop_here $this
- git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
+
+ # skip pine's internal folder data
+ grep '^Author: Mail System Internal Data$' \
+ <"$dotest"/info >/dev/null &&
+ go_next && continue
+
+ test -s $dotest/patch || {
+ echo "Patch is empty. Was it split wrong?"
+ stop_here $this
+ }
+ if test -f "$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' >"$dotest/msg-clean"
+ else
+ SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
+ case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac
+
+ (printf '%s\n\n' "$SUBJECT"; cat "$dotest/msg") |
+ git stripspace > "$dotest/msg-clean"
+ fi
;;
esac
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")"
- export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
- SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
- case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac
+ if test -z "$GIT_AUTHOR_EMAIL"
+ then
+ echo "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
'')
LAST_SIGNED_OFF_BY=`
sed -ne '/^Signed-off-by: /p' \
"$dotest/msg-clean" |
- tail -n 1
+ sed -ne '$p'
`
ADD_SIGNOFF=`
test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
ADD_SIGNOFF=
fi
{
- echo "$SUBJECT"
if test -s "$dotest/msg-clean"
then
- echo
cat "$dotest/msg-clean"
fi
if test '' != "$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=
echo "--------------------------"
cat "$dotest/final-commit"
echo "--------------------------"
- echo -n "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
+ printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
read reply
case "$reply" in
[yY]*) action=yes ;;
[aA]*) action=yes interactive= ;;
[nN]*) action=skip ;;
- [eE]*) "${VISUAL:-${EDITOR:-vi}}" "$dotest/final-commit"
+ [eE]*) git_editor "$dotest/final-commit"
action=again ;;
[vV]*) action=again
LESS=-S ${PAGER:-less} "$dotest/patch" ;;
else
action=yes
fi
+ FIRSTLINE=$(sed 1q "$dotest/final-commit")
if test $action = skip
then
stop_here $this
fi
- echo
- echo "Applying '$SUBJECT'"
- echo
+ printf 'Applying %s\n' "$FIRSTLINE"
+
+ case "$resolved" in
+ '')
+ git apply $git_apply_opt $binary --index "$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 -- && {
+ echo "No changes - did you forget to use 'git add'?"
+ stop_here_user_resolve $this
+ }
+ unmerged=$(git ls-files -u)
+ if test -n "$unmerged"
+ then
+ echo "You still have unmerged paths in your index"
+ echo "did you forget to use 'git add'?"
+ stop_here_user_resolve $this
+ fi
+ apply_status=0
+ git rerere
+ ;;
+ esac
- git-apply --index "$dotest/patch"; apply_status=$?
if test $apply_status = 1 && test "$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.
- changed="$(git-diff-index --cached --name-only -z HEAD)"
- if test '' = "$changed"
- then
- echo No changes -- Patch already applied.
- go_next
- continue
- fi
+ git diff-index --quiet --cached HEAD -- && {
+ echo No changes -- Patch already applied.
+ go_next
+ continue
+ }
# clear apply_status -- we have successfully merged.
apply_status=0
fi
if test $apply_status != 0
then
echo Patch failed at $msgnum.
- stop_here $this
+ stop_here_user_resolve $this
fi
if test -x "$GIT_DIR"/hooks/pre-applypatch
"$GIT_DIR"/hooks/pre-applypatch || stop_here $this
fi
- tree=$(git-write-tree) &&
- echo Wrote tree $tree &&
- parent=$(git-rev-parse --verify HEAD) &&
- commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
- echo Committed: $commit &&
- git-update-ref HEAD $commit $parent ||
+ tree=$(git write-tree) &&
+ parent=$(git rev-parse --verify HEAD) &&
+ commit=$(git commit-tree $tree -p $parent <"$dotest/final-commit") &&
+ git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
stop_here $this
if test -x "$GIT_DIR"/hooks/post-applypatch
go_next
done
+git gc --auto
+
rm -fr "$dotest"