3 # Copyright (c) 2005 Linus Torvalds
4 # Copyright (c) 2005 Junio C Hamano
12 USAGE='[--edit | --no-edit] [-n] <commit-ish>' ;;
17 USAGE='[--edit] [-n] [-r] [-x] <commit-ish>' ;;
19 echo >&2 "What are you talking about?"
26 while case "$#" in 0) break ;; esac
29 -n|--n|--no|--no-|--no-c|--no-co|--no-com|--no-comm|\
30 --no-commi|--no-commit)
33 -e|--e|--ed|--edi|--edit)
36 --n|--no|--no-|--no-e|--no-ed|--no-edi|--no-edit)
41 -x|--i-really-want-to-expose-my-private-commit-object-name)
54 test "$me,$replay" = "revert,t" && usage
58 # We do not intend to commit immediately. We just want to
59 # merge the differences in.
60 head=$(git-write-tree) ||
61 die "Your index file is unmerged."
64 head=$(git-rev-parse --verify HEAD) ||
65 die "You do not have a valid HEAD"
66 files=$(git-diff-index --cached --name-only $head) || exit
68 die "Dirty index: cannot $me (dirty: $files)"
73 rev=$(git-rev-parse --verify "$@") &&
74 commit=$(git-rev-parse --verify "$rev^0") ||
75 die "Not a single commit $@"
76 prev=$(git-rev-parse --verify "$commit^1" 2>/dev/null) ||
77 die "Cannot run $me a root commit"
78 git-rev-parse --verify "$commit^2" >/dev/null 2>&1 &&
79 die "Cannot run $me a multi-parent commit."
81 # "commit" is an existing commit. We would want to apply
82 # the difference it introduces since its first parent "prev"
83 # on top of the current HEAD if we are cherry-pick. Or the
84 # reverse of it if we are revert.
88 git-rev-list --pretty=oneline --max-count=1 $commit |
93 echo "This reverts commit $commit."
94 test "$rev" = "$commit" ||
95 echo "(original 'git revert' arguments: $@)"
96 base=$commit next=$prev
102 s/'\''/'\''\\'\'\''/g
104 s/^author \([^<]*\) <[^>]*> .*$/\1/
106 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
109 s/^author [^<]* <\([^>]*\)> .*$/\1/
111 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
114 s/^author [^<]* <[^>]*> \(.*\)$/\1/
116 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
120 set_author_env=`git-cat-file commit "$commit" |
121 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
122 eval "$set_author_env"
123 export GIT_AUTHOR_NAME
124 export GIT_AUTHOR_EMAIL
125 export GIT_AUTHOR_DATE
127 git-cat-file commit $commit | sed -e '1,/^$/d'
130 echo "(cherry picked from commit $commit)"
131 test "$rev" = "$commit" ||
132 echo "(original 'git cherry-pick' arguments: $@)"
135 base=$prev next=$commit
140 # This three way merge is an interesting one. We are at
141 # $head, and would want to apply the change between $commit
142 # and $prev on top of us (when reverting), or the change between
143 # $prev and $commit on top of us (when cherry-picking or replaying).
145 echo >&2 "First trying simple merge strategy to $me."
146 git-read-tree -m -u --aggressive $base $head $next &&
147 result=$(git-write-tree 2>/dev/null) || {
148 echo >&2 "Simple $me fails; trying Automatic $me."
149 git-merge-index -o git-merge-one-file -a || {
150 mv -f .msg "$GIT_DIR/MERGE_MSG"
155 git ls-files --unmerged |
156 sed -e 's/^[^ ]* / /' |
158 } >>"$GIT_DIR/MERGE_MSG"
159 echo >&2 "Automatic $me failed. After resolving the conflicts,"
160 echo >&2 "mark the corrected paths with 'git-add <paths>'"
161 echo >&2 "and commit the result."
164 echo >&2 "You may choose to use the following when making"
165 echo >&2 "the commit:"
166 echo >&2 "$set_author_env"
170 result=$(git-write-tree) || exit
172 echo >&2 "Finished one $me."
174 # If we are cherry-pick, and if the merge did not result in
175 # hand-editing, we will hit this commit and inherit the original
176 # author date and name.
177 # If we are revert, or if our cherry-pick results in a hand merge,
178 # we had better say that the current user is responsible for that.
182 git-commit -n -F .msg $edit