diff options
Diffstat (limited to 'git-am.sh')
-rwxr-xr-x | git-am.sh | 141 |
1 files changed, 94 insertions, 47 deletions
@@ -2,31 +2,36 @@ # # 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 +git am [options] [<mbox>|<Maildir>...] +git am [options] (--resolved | --skip | --abort) -- -d,dotest= use <dir> and not .dotest +d,dotest= (removed -- do not use) i,interactive run interactively -b,binary pass --allo-binary-replacement to git-apply +b,binary (historical option -- no-op) 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 flagg to git-mailinfo +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" +skip skip the current patch +abort restore the original branch and abort the patching operation. +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 +git var GIT_COMMITTER_IDENT >/dev/null || + die "You need to set your committer info first" stop_here () { echo "$1" >"$dotest/next" @@ -38,7 +43,7 @@ stop_here_user_resolve () { printf '%s\n' "$resolvemsg" stop_here $1 fi - cmdline=$(basename $0) + cmdline="git am" if test '' != "$interactive" then cmdline="$cmdline -i" @@ -47,12 +52,9 @@ stop_here_user_resolve () { then cmdline="$cmdline -3" fi - if test '.dotest' != "$dotest" - then - cmdline="$cmdline -d=$dotest" - fi echo "When you have resolved this problem run \"$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 $1 } @@ -85,7 +87,7 @@ fall_back_3way () { echo Using index info to reconstruct a base tree... if GIT_INDEX_FILE="$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" "$dotest/patch-merge-index" @@ -107,7 +109,7 @@ It does not apply to blobs recorded in its index." # patch did not touch, so recursive ends up canceling them, # saying that we reverted all those changes. - eval GITHEAD_$his_tree='"$SUBJECT"' + eval GITHEAD_$his_tree='"$FIRSTLINE"' export GITHEAD_$his_tree git-merge-recursive $orig_tree -- HEAD $his_tree || { git rerere @@ -117,12 +119,9 @@ It does not apply to blobs recorded in its index." unset GITHEAD_$his_tree } -reread_subject () { - git stripspace <"$1" | sed -e 1q -} - prec=4 -dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary= +dotest="$GIT_DIR/rebase-apply" +sign= utf8=t keep= skip= interactive= resolved= rebasing= abort= resolvemsg= resume= git_apply_opt= @@ -132,7 +131,7 @@ do -i|--interactive) interactive=t ;; -b|--binary) - binary=t ;; + : ;; -3|--3way) threeway=t ;; -s|--signoff) @@ -147,8 +146,13 @@ do resolved=t ;; --skip) skip=t ;; + --abort) + abort=t ;; + --rebasing) + rebasing=t threeway=t keep=t ;; -d|--dotest) - shift; dotest=$1;; + die "-d option is no longer supported. Do not use." + ;; --resolvemsg) shift; resolvemsg=$1 ;; --whitespace) @@ -176,7 +180,7 @@ fi if test -d "$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. @@ -184,7 +188,7 @@ then 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 + # 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. @@ -194,30 +198,70 @@ then 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,$abort" in + t,) + git rerere clear + git read-tree --reset -u HEAD HEAD + orig_head=$(cat "$GIT_DIR/ORIG_HEAD") + git reset HEAD + git update-ref ORIG_HEAD $orig_head + ;; + ,t) + git rerere clear + git read-tree --reset -u HEAD ORIG_HEAD + git reset ORIG_HEAD + rm -fr "$dotest" + exit ;; + esac 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$abort" = "" || die "Resolve operation not in progress, we are not resuming." # Start afresh. mkdir -p "$dotest" || exit + 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 "$dotest" exit 1 } - # -b, -s, -u, -k and --whitespace flags are kept for the + # -s, -u, -k and --whitespace flags are kept for the # resuming session after a patch failure. # -3 and -i can and must be given when resuming. - echo "$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" + git update-ref ORIG_HEAD HEAD + fi fi case "$resolved" in @@ -229,10 +273,6 @@ case "$resolved" in fi esac -if test "$(cat "$dotest/binary")" = t -then - binary=--allow-binary-replacement -fi if test "$(cat "$dotest/utf8")" = t then utf8=-u @@ -246,7 +286,7 @@ fi ws=`cat "$dotest/whitespace"` if test "$(cat "$dotest/sign")" = t then - SIGNOFF=`git-var GIT_COMMITTER_IDENT | sed -e ' + SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e ' s/>.*/>/ s/^/Signed-off-by: /' ` @@ -258,7 +298,6 @@ last=`cat "$dotest/last"` this=`cat "$dotest/next"` if test "$skip" = t then - git rerere clear this=`expr "$this" + 1` resume= fi @@ -299,11 +338,24 @@ do <"$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 $this } - git stripspace < "$dotest/msg" > "$dotest/msg-clean" + if test -f "$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 @@ -319,9 +371,6 @@ do 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] $SUBJECT" ;; esac - case "$resume" in '') if test '' != "$SIGNOFF" @@ -329,7 +378,7 @@ do LAST_SIGNED_OFF_BY=` sed -ne '/^Signed-off-by: /p' \ "$dotest/msg-clean" | - tail -n 1 + sed -ne '$p' ` ADD_SIGNOFF=` test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || { @@ -340,10 +389,8 @@ do ADD_SIGNOFF= fi { - printf '%s\n' "$SUBJECT" if test -s "$dotest/msg-clean" then - echo cat "$dotest/msg-clean" fi if test '' != "$ADD_SIGNOFF" @@ -380,7 +427,6 @@ do [aA]*) action=yes interactive= ;; [nN]*) action=skip ;; [eE]*) git_editor "$dotest/final-commit" - SUBJECT=$(reread_subject "$dotest/final-commit") action=again ;; [vV]*) action=again LESS=-S ${PAGER:-less} "$dotest/patch" ;; @@ -390,6 +436,7 @@ do else action=yes fi + FIRSTLINE=$(sed 1q "$dotest/final-commit") if test $action = skip then @@ -403,11 +450,11 @@ do stop_here $this fi - printf 'Applying %s\n' "$SUBJECT" + printf 'Applying: %s\n' "$FIRSTLINE" case "$resolved" in '') - git apply $git_apply_opt $binary --index "$dotest/patch" + git apply $git_apply_opt --index "$dotest/patch" apply_status=$? ;; t) @@ -461,7 +508,7 @@ do tree=$(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: $SUBJECT" HEAD $commit $parent || + git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent || stop_here $this if test -x "$GIT_DIR"/hooks/post-applypatch |