SUBDIRECTORY_OK=Yes
OPTIONS_KEEPDASHDASH=
OPTIONS_SPEC="\
-git-am [options] <mbox>|<Maildir>...
-git-am [options] --resolved
-git-am [options] --skip
+git am [options] [<mbox>|<Maildir>...]
+git am [options] (--resolved | --skip | --abort)
--
-d,dotest= (removed -- do not use)
i,interactive run interactively
-b,binary pass --allow-binary-replacement to git-apply
+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
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
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
r,resolved to be used after a patch failure
skip skip the current patch
-rebasing (internal use for git-rebase)"
+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
+rebasing* (internal use for git-rebase)"
. git-sh-setup
prefix=$(git rev-parse --show-prefix)
require_work_tree
cd_to_toplevel
-git var GIT_COMMITTER_IDENT >/dev/null || exit
+git var GIT_COMMITTER_IDENT >/dev/null ||
+ die "You need to set your committer info first"
+
+if git rev-parse --verify -q HEAD >/dev/null
+then
+ HAS_HEAD=yes
+else
+ HAS_HEAD=
+fi
+
+sq () {
+ git rev-parse --sq-quote "$@"
+}
stop_here () {
echo "$1" >"$dotest/next"
printf '%s\n' "$resolvemsg"
stop_here $1
fi
- cmdline=$(basename $0)
+ cmdline="git am"
if test '' != "$interactive"
then
cmdline="$cmdline -i"
fi
echo "When you have resolved this problem run \"$cmdline --resolved\"."
echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
+ echo "To restore the original branch and stop patching run \"$cmdline --abort\"."
stop_here $1
}
git write-tree >"$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...
+ say Using index info to reconstruct a base tree...
if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
- git apply $binary --cached <"$dotest/patch"
+ git apply --cached <"$dotest/patch"
then
mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
orig_tree=$(cat "$dotest/patch-merge-base") &&
rm -fr "$dotest"/patch-merge-* || exit 1
- echo Falling back to patching base and 3-way merge...
+ say 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
eval GITHEAD_$his_tree='"$FIRSTLINE"'
export GITHEAD_$his_tree
+ if test -n "$GIT_QUIET"
+ then
+ export GIT_MERGE_VERBOSITY=0
+ fi
git-merge-recursive $orig_tree -- HEAD $his_tree || {
git rerere
echo Failed to merge in the changes.
unset GITHEAD_$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 "$1"
+ then
+ patch_format=mbox
+ return 0
+ fi
+
+ # otherwise, check the first few lines of the first patch to try
+ # to detect its format
+ {
+ read l1
+ read l2
+ read l3
+ case "$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
+ } < "$1" || clean_abort
+}
+
+split_patches () {
+ case "$patch_format" in
+ mbox)
+ git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" ||
+ clean_abort
+ ;;
+ stgit-series)
+ if test $# -ne 1
+ then
+ clean_abort "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+$/) { next ; }
+ elsif (/^Author:/) { print s/Author/From/ ; }
+ elsif (/^(From|Date)/) { print ; }
+ elsif ($subject) {
+ $subject = 2 ;
+ print "\n" ;
+ print ;
+ } else {
+ print "Subject: ", $_ ;
+ $subject = 1;
+ }
+ ' < "$stgit" > "$dotest/$msgnum" || clean_abort
+ done
+ echo "$this" > "$dotest/last"
+ this=
+ msgnum=
+ ;;
+ *)
+ clean_abort "Patch format $patch_format is not supported."
+ ;;
+ esac
+}
+
prec=4
-dotest=".dotest"
-sign= utf8=t keep= skip= interactive= resolved= binary= rebasing=
+dotest="$GIT_DIR/rebase-apply"
+sign= utf8=t keep= skip= interactive= resolved= rebasing= abort=
resolvemsg= resume=
git_apply_opt=
+committer_date_is_author_date=
+ignore_date=
while test $# != 0
do
-i|--interactive)
interactive=t ;;
-b|--binary)
- binary=t ;;
+ : ;;
-3|--3way)
threeway=t ;;
-s|--signoff)
resolved=t ;;
--skip)
skip=t ;;
+ --abort)
+ abort=t ;;
--rebasing)
- rebasing=t threeway=t keep=t binary=t ;;
+ rebasing=t threeway=t keep=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=$2"; shift ;;
+ --whitespace|--directory)
+ git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
-C|-p)
- git_apply_opt="$git_apply_opt $1$2"; shift ;;
+ git_apply_opt="$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 $1" ;;
+ --committer-date-is-author-date)
+ committer_date_is_author_date=t ;;
+ --ignore-date)
+ ignore_date=t ;;
+ -q|--quiet)
+ GIT_QUIET=t ;;
--)
shift; break ;;
*)
if test -d "$dotest"
then
- case "$#,$skip$resolved" in
+ case "$#,$skip$resolved$abort" in
0,*t*)
# Explicit resume command and we do not have file, so
# we are happy.
# 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
+ test -t 0
;;
*)
false
;;
esac ||
- die "previous dotest directory $dotest still exists but mbox given."
+ die "previous rebase directory $dotest still exists but mbox given."
resume=yes
+
+ case "$skip,$abort" in
+ t,t)
+ die "Please make up your mind. --skip or --abort?"
+ ;;
+ t,)
+ git rerere clear
+ git read-tree --reset -u HEAD HEAD
+ orig_head=$(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
+ test -f "$dotest/dirtyindex" || {
+ git read-tree --reset -u HEAD ORIG_HEAD
+ git reset ORIG_HEAD
+ }
+ rm -fr "$dotest"
+ exit ;;
+ esac
+ rm -f "$dotest/dirtyindex"
else
- # Make sure we are not given --skip nor --resolved
- test ",$skip,$resolved," = ,,, ||
+ # Make sure we are not given --skip, --resolved, nor --abort
+ test "$skip$resolved$abort" = "" ||
die "Resolve operation not in progress, we are not resuming."
# Start afresh.
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"
+ check_patch_format "$@"
+
+ split_patches "$@"
+
+ # -s, -u, -k, --whitespace, -3, -C, -q and -p flags are kept
+ # for the resuming session after a patch failure.
+ # -i can and must be given when resuming.
+ echo " $git_apply_opt" >"$dotest/apply-opt"
+ echo "$threeway" >"$dotest/threeway"
echo "$sign" >"$dotest/sign"
echo "$utf8" >"$dotest/utf8"
echo "$keep" >"$dotest/keep"
+ echo "$GIT_QUIET" >"$dotest/quiet"
echo 1 >"$dotest/next"
if test -n "$rebasing"
then
: >"$dotest/rebasing"
else
: >"$dotest/applying"
+ if test -n "$HAS_HEAD"
+ then
+ git update-ref ORIG_HEAD HEAD
+ else
+ git update-ref -d ORIG_HEAD >/dev/null 2>&1
+ fi
fi
fi
case "$resolved" in
'')
- files=$(git diff-index --cached --name-only HEAD --) || exit
- if [ "$files" ]; then
- echo "Dirty index: cannot apply patches (dirty: $files)" >&2
- exit 1
+ case "$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 "Dirty index: cannot apply patches (dirty: $files)"
fi
esac
-if test "$(cat "$dotest/binary")" = t
-then
- binary=--allow-binary-replacement
-fi
if test "$(cat "$dotest/utf8")" = t
then
utf8=-u
then
keep=-k
fi
-ws=`cat "$dotest/whitespace"`
+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 '
+ SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
s/>.*/>/
s/^/Signed-off-by: /'
`
this=`cat "$dotest/next"`
if test "$skip" = t
then
- git rerere clear
this=`expr "$this" + 1`
resume=
fi
if test "$this" -gt "$last"
then
- echo Nothing to do.
+ say Nothing to do.
rm -fr "$dotest"
exit
fi
<"$dotest"/info >/dev/null &&
go_next && continue
- test -s $dotest/patch || {
+ test -s "$dotest/patch" || {
echo "Patch is empty. Was it split wrong?"
stop_here $this
}
else
action=yes
fi
- FIRSTLINE=$(head -1 "$dotest/final-commit")
+ FIRSTLINE=$(sed 1q "$dotest/final-commit")
if test $action = skip
then
stop_here $this
fi
- printf 'Applying %s\n' "$FIRSTLINE"
+ say "Applying: $FIRSTLINE"
case "$resolved" in
'')
- git apply $git_apply_opt $binary --index "$dotest/patch"
+ # 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)
# 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 -- && {
- echo No changes -- Patch already applied.
+ say No changes -- Patch already applied.
go_next
continue
}
fi
if test $apply_status != 0
then
- echo Patch failed at $msgnum.
+ printf 'Patch failed at %s %s\n' "$msgnum" "$FIRSTLINE"
stop_here_user_resolve $this
fi
fi
tree=$(git write-tree) &&
- parent=$(git rev-parse --verify HEAD) &&
- commit=$(git commit-tree $tree -p $parent <"$dotest/final-commit") &&
+ commit=$(
+ if test -n "$ignore_date"
+ then
+ GIT_AUTHOR_DATE=
+ fi
+ parent=$(git rev-parse --verify -q HEAD) ||
+ say >&2 "applying to an empty history"
+
+ if test -n "$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