push: fix segfault for odd config
[gitweb.git] / git-am.sh
index 8f91a97eb3a07908b35de086d555822c928fd2e9..d3390755fc687a611e89320a7bbfb4ead512c863 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -8,21 +8,24 @@ OPTIONS_SPEC="\
 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
 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
+directory=      pass it through git-apply
 C=              pass it through git-apply
 p=              pass it through git-apply
+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
 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
+rebasing*       (internal use for git-rebase)"
 
 . git-sh-setup
 prefix=$(git rev-parse --show-prefix)
@@ -33,6 +36,14 @@ cd_to_toplevel
 git var GIT_COMMITTER_IDENT >/dev/null ||
        die "You need to set your committer info first"
 
+sq () {
+       for sqarg
+       do
+               printf "%s" "$sqarg" |
+               sed -e 's/'\''/'\''\\'\'''\''/g' -e 's/.*/ '\''&'\''/'
+       done
+}
+
 stop_here () {
     echo "$1" >"$dotest/next"
     exit 1
@@ -87,7 +98,7 @@ 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"
@@ -121,9 +132,11 @@ It does not apply to blobs recorded in its index."
 
 prec=4
 dotest="$GIT_DIR/rebase-apply"
-sign= utf8=t keep= skip= interactive= resolved= binary= rebasing= abort=
+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
@@ -131,7 +144,7 @@ do
        -i|--interactive)
                interactive=t ;;
        -b|--binary)
-               binary=t ;;
+               : ;;
        -3|--3way)
                threeway=t ;;
        -s|--signoff)
@@ -149,16 +162,22 @@ do
        --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$2")"; shift ;;
+       --reject)
+               git_apply_opt="$git_apply_opt $1" ;;
+       --committer-date-is-author-date)
+               committer_date_is_author_date=t ;;
+       --ignore-date)
+               ignore_date=t ;;
        --)
                shift; break ;;
        *)
@@ -192,7 +211,7 @@ then
                # 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
@@ -202,6 +221,9 @@ then
        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
@@ -210,12 +232,19 @@ then
                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
+               test -f "$dotest/dirtyindex" || {
+                       git read-tree --reset -u HEAD ORIG_HEAD
+                       git reset ORIG_HEAD
+               }
                rm -fr "$dotest"
                exit ;;
        esac
+       rm -f "$dotest/dirtyindex"
 else
        # Make sure we are not given --skip, --resolved, nor --abort
        test "$skip$resolved$abort" = "" ||
@@ -247,11 +276,11 @@ else
                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"
+       # -s, -u, -k, --whitespace, -3, -C 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"
@@ -268,16 +297,13 @@ fi
 case "$resolved" in
 '')
        files=$(git diff-index --cached --name-only HEAD --) || exit
-       if [ "$files" ]; then
-          echo "Dirty index: cannot apply patches (dirty: $files)" >&2
-          exit 1
+       if test "$files"
+       then
+               : >"$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
@@ -288,7 +314,11 @@ if test "$(cat "$dotest/keep")" = t
 then
        keep=-k
 fi
-ws=`cat "$dotest/whitespace"`
+if test "$(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 '
@@ -459,7 +489,7 @@ do
 
        case "$resolved" in
        '')
-               git apply $git_apply_opt $binary --index "$dotest/patch"
+               eval 'git apply '"$git_apply_opt"' --index "$dotest/patch"'
                apply_status=$?
                ;;
        t)
@@ -501,7 +531,7 @@ do
        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
 
@@ -512,7 +542,18 @@ do
 
        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
+               if test -n "$committer_date_is_author_date"
+               then
+                       GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
+                       export GIT_COMMITTER_DATE
+               fi &&
+               git commit-tree $tree -p $parent <"$dotest/final-commit"
+       ) &&
        git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
        stop_here $this