![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/git-am.sh b/git-am.sh
index aa602618e6caedbfdd2d54ad4bb8375356cc55f6..f5afe1562af869a3d84197913e14667b9ce729c0 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
SUBDIRECTORY_OK=Yes
OPTIONS_KEEPDASHDASH=
OPTIONS_SPEC="\
-git am [options] [<mbox>|<Maildir>...]
+git am [options] [(<mbox>|<Maildir>)...]
git am [options] (--resolved | --skip | --abort)
--
-d,dotest= (removed -- do not use)
i,interactive run interactively
-b,binary (historical option -- no-op)
+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-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
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
+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.
-rebasing (internal use for git-rebase)"
+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
prefix=$(git rev-parse --show-prefix)
git var GIT_COMMITTER_IDENT >/dev/null ||
die "You need to set your committer info first"
+if git rev-parse --verify -q HEAD >/dev/null
+then
+ HAS_HEAD=yes
+else
+ HAS_HEAD=
+fi
+
+cmdline="git am"
+if test '' != "$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$abort_safety"
+ then
+ return 0
+ fi
+ echo >&2 "You seem to have moved HEAD since the last 'am' failure."
+ echo >&2 "Not rewinding to ORIG_HEAD"
+ return 1
+}
+
stop_here_user_resolve () {
if [ -n "$resolvemsg" ]; then
printf '%s\n' "$resolvemsg"
stop_here $1
fi
- cmdline="git am"
- if test '' != "$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 \"$cmdline --skip\"."
echo "To restore the original branch and stop patching run \"$cmdline --abort\"."
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 --cached <"$dotest/patch"
then
orig_tree=$(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
+ GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
+ fi
git-merge-recursive $orig_tree -- HEAD $his_tree || {
- git rerere
+ 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 "$1"
+ then
+ patch_format=mbox
+ return 0
+ fi
+
+ # otherwise, check the first few lines of the first patch to try
+ # to detect its format
+ {
+ read l1
+ read l2
+ read l3
+ case "$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
+ 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 "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=
+ ;;
+ *)
+ if test -n "$patch_format"
+ then
+ clean_abort "Patch format $patch_format is not supported."
+ else
+ clean_abort "Patch format detection failed."
+ fi
+ ;;
+ esac
+}
+
prec=4
dotest="$GIT_DIR/rebase-apply"
-sign= utf8=t keep= skip= interactive= resolved= rebasing= abort=
-resolvemsg= resume=
+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
utf8= ;;
-k|--keep)
keep=t ;;
- -r|--resolved)
+ -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 ;;
+ rebasing=t threeway=t keep=t scissors=f no_inbody_headers=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 ;;
+ --rerere-autoupdate|--no-rerere-autoupdate)
+ allow_rerere_autoupdate="$1" ;;
+ -q|--quiet)
+ GIT_QUIET=t ;;
+ --keep-cr)
+ keepcr=t ;;
+ --no-keep-cr)
+ keepcr=f ;;
--)
shift; break ;;
*)
# unreliable -- stdin could be /dev/null for example
# and the caller did not intend to feed us a patch but
# wanted to continue unattended.
- tty -s
+ test -t 0
;;
*)
false
resume=yes
case "$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
git update-ref ORIG_HEAD $orig_head
;;
,t)
+ if test -f "$dotest/rebasing"
+ then
+ exec git rebase --abort
+ fi
git rerere clear
- git read-tree --reset -u HEAD ORIG_HEAD
- git reset ORIG_HEAD
+ 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$abort" = "" ||
set x
first=
}
- case "$arg" in
- /*)
- set "$@" "$arg" ;;
- *)
- set "$@" "$prefix$arg" ;;
- esac
+ if is_absolute_path "$arg"
+ then
+ set "$@" "$arg"
+ else
+ set "$@" "$prefix$arg"
+ fi
done
shift
fi
- git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" || {
- rm -fr "$dotest"
- exit 1
- }
- # -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 " $ws" >"$dotest/whitespace"
+ 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 "$keepcr" >"$dotest/keepcr"
+ 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"
- git update-ref ORIG_HEAD HEAD
+ 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
'')
- 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: $files)"
fi
esac
then
keep=-k
fi
-ws=`cat "$dotest/whitespace"`
+case "$(cat "$dotest/keepcr")" in
+t)
+ keepcr=--keep-cr ;;
+f)
+ keepcr=--no-keep-cr ;;
+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 '
resume=
fi
-if test "$this" -gt "$last"
-then
- echo Nothing to do.
- rm -fr "$dotest"
- exit
-fi
-
while test "$this" -le "$last"
do
msgnum=`printf "%0${prec}d" $this`
# by the user, or the user can tell us to do so by --resolved flag.
case "$resume" in
'')
- git mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
+ git mailinfo $keep $no_inbody_headers $scissors $utf8 "$dotest/msg" "$dotest/patch" \
<"$dotest/$msgnum" >"$dotest/info" ||
stop_here $this
# skip pine's internal folder data
- grep '^Author: Mail System Internal Data$' \
+ sane_grep '^Author: Mail System Internal Data$' \
<"$dotest"/info >/dev/null &&
go_next && continue
test -s "$dotest/patch" || {
echo "Patch is empty. Was it split wrong?"
+ echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
+ echo "To restore the original branch and stop patching run \"$cmdline --abort\"."
stop_here $this
}
+ rm -f "$dotest/original-commit" "$dotest/author-script"
if test -f "$dotest/rebasing" &&
commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \
-e q "$dotest/$msgnum") &&
then
git cat-file commit "$commit" |
sed -e '1,/^$/d' >"$dotest/msg-clean"
+ echo "$commit" > "$dotest/original-commit"
+ get_author_ident_from_commit "$commit" > "$dotest/author-script"
else
- SUBJECT="$(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"
+ {
+ sed -n '/^Subject/ s/Subject: //p' "$dotest/info"
+ echo
+ cat "$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' "$dotest/info")"
+ if test -f "$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 "$GIT_AUTHOR_EMAIL"
then
[eE]*) git_editor "$dotest/final-commit"
action=again ;;
[vV]*) action=again
- LESS=-S ${PAGER:-less} "$dotest/patch" ;;
+ git_pager "$dotest/patch" ;;
*) action=again ;;
esac
done
else
action=yes
fi
- FIRSTLINE=$(sed 1q "$dotest/final-commit")
+
+ if test -f "$dotest/final-commit"
+ then
+ FIRSTLINE=$(sed 1q "$dotest/final-commit")
+ else
+ FIRSTLINE=""
+ fi
if test $action = skip
then
stop_here $this
fi
- printf 'Applying: %s\n' "$FIRSTLINE"
+ say "Applying: $FIRSTLINE"
case "$resolved" in
'')
- git apply $git_apply_opt --index "$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)
resolved=
git diff-index --quiet --cached HEAD -- && {
echo "No changes - did you forget to use 'git add'?"
+ echo "If there is nothing left to stage, chances are that something else"
+ echo "already introduced the same changes; you might want to skip this patch."
stop_here_user_resolve $this
}
unmerged=$(git ls-files -u)
;;
esac
- if test $apply_status = 1 && test "$threeway" = t
+ 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 -- && {
- 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 $this
+ if test -f "$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
go_next
done
-git gc --auto
+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