diff options
Diffstat (limited to 'git-am.sh')
| -rwxr-xr-x | git-am.sh | 29 |
1 files changed, 24 insertions, 5 deletions
@@ -36,6 +36,13 @@ cd_to_toplevel 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 () { for sqarg do @@ -290,16 +297,26 @@ else : >"$dotest/rebasing" else : >"$dotest/applying" - git update-ref ORIG_HEAD HEAD + if test -n "$HAS_HEAD" + then + git update-ref ORIG_HEAD HEAD + else + git update-ref -d ORIG_HEAD >/dev/null 2>&1 + fi fi fi case "$resolved" in '') - files=$(git diff-index --cached --name-only HEAD --) || exit + case "$HAS_HEAD" in + '') + files=$(git ls-files) ;; + ?*) + files=$(git diff-index --cached --name-only HEAD --) ;; + esac || exit if test "$files" then - : >"$dotest/dirtyindex" + test -n "$HAS_HEAD" && : >"$dotest/dirtyindex" die "Dirty index: cannot apply patches (dirty: $files)" fi esac @@ -541,18 +558,20 @@ do fi tree=$(git write-tree) && - parent=$(git rev-parse --verify HEAD) && commit=$( if test -n "$ignore_date" then GIT_AUTHOR_DATE= fi + parent=$(git rev-parse --verify -q HEAD) || + echo >&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 -p $parent <"$dotest/final-commit" + git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit" ) && git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent || stop_here $this |