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authorJunio C Hamano <junkio@cox.net>2007-01-16 00:23:24 -0800
committerJunio C Hamano <junkio@cox.net>2007-02-13 21:43:52 -0800
commitd4289fff870a85b1b7e55ead2a5baf98847fc72a (patch)
tree87b416f325e5ad886a9ccdfa57ba7680cc353c50 /git-fetch.sh
parentb74e8cbd80c13257c8c0a68341e9aff9926d31f2 (diff)
downloadgit-d4289fff870a85b1b7e55ead2a5baf98847fc72a.tar.gz
git-d4289fff870a85b1b7e55ead2a5baf98847fc72a.tar.xz
git-fetch--tool: start rewriting parts of git-fetch in C.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'git-fetch.sh')
-rwxr-xr-xgit-fetch.sh134
1 files changed, 10 insertions, 124 deletions
diff --git a/git-fetch.sh b/git-fetch.sh
index 3e0126516..2aa34b399 100755
--- a/git-fetch.sh
+++ b/git-fetch.sh
@@ -107,133 +107,19 @@ ls_remote_result=$(git ls-remote $exec "$remote") ||
die "Cannot get the repository state from $remote"
append_fetch_head () {
- head_="$1"
- remote_="$2"
- remote_name_="$3"
- remote_nick_="$4"
- local_name_="$5"
- case "$6" in
- t) not_for_merge_='not-for-merge' ;;
- '') not_for_merge_= ;;
- esac
-
- # remote-nick is the URL given on the command line (or a shorthand)
- # remote-name is the $GIT_DIR relative refs/ path we computed
- # for this refspec.
-
- # the $note_ variable will be fed to git-fmt-merge-msg for further
- # processing.
- case "$remote_name_" in
- HEAD)
- note_= ;;
- refs/heads/*)
- note_="$(expr "$remote_name_" : 'refs/heads/\(.*\)')"
- note_="branch '$note_' of " ;;
- refs/tags/*)
- note_="$(expr "$remote_name_" : 'refs/tags/\(.*\)')"
- note_="tag '$note_' of " ;;
- refs/remotes/*)
- note_="$(expr "$remote_name_" : 'refs/remotes/\(.*\)')"
- note_="remote branch '$note_' of " ;;
- *)
- note_="$remote_name of " ;;
- esac
- remote_1_=$(expr "z$remote_" : 'z\(.*\)\.git/*$') &&
- remote_="$remote_1_"
- note_="$note_$remote_"
-
- # 2.6.11-tree tag would not be happy to be fed to resolve.
- if git-cat-file commit "$head_" >/dev/null 2>&1
- then
- headc_=$(git-rev-parse --verify "$head_^0") || exit
- echo "$headc_ $not_for_merge_ $note_" >>"$GIT_DIR/FETCH_HEAD"
- else
- echo "$head_ not-for-merge $note_" >>"$GIT_DIR/FETCH_HEAD"
- fi
-
- update_local_ref "$local_name_" "$head_" "$note_"
+ flags=
+ test -n "$verbose" && flags="$flags -v"
+ test -n "$force" && flags="$flags -f"
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
+ git-fetch--tool append-fetch-head $flags "$@"
}
update_local_ref () {
- # If we are storing the head locally make sure that it is
- # a fast forward (aka "reverse push").
-
- label_=$(git-cat-file -t $2)
- newshort_=$(git-rev-parse --short $2)
- if test -z "$1" ; then
- [ "$verbose" ] && echo >&2 "* fetched $3"
- [ "$verbose" ] && echo >&2 " $label_: $newshort_"
- return 0
- fi
- oldshort_=$(git show-ref --hash --abbrev "$1" 2>/dev/null)
-
- case "$1" in
- refs/tags/*)
- # Tags need not be pointing at commits so there
- # is no way to guarantee "fast-forward" anyway.
- if test -n "$oldshort_"
- then
- if now_=$(git show-ref --hash "$1") && test "$now_" = "$2"
- then
- [ "$verbose" ] && echo >&2 "* $1: same as $3"
- [ "$verbose" ] && echo >&2 " $label_: $newshort_" ||:
- else
- echo >&2 "* $1: updating with $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$GIT_REFLOG_ACTION: updating tag" "$1" "$2"
- fi
- else
- echo >&2 "* $1: storing $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$GIT_REFLOG_ACTION: storing tag" "$1" "$2"
- fi
- ;;
-
- refs/heads/* | refs/remotes/*)
- # $1 is the ref being updated.
- # $2 is the new value for the ref.
- local=$(git-rev-parse --verify "$1^0" 2>/dev/null)
- if test "$local"
- then
- # Require fast-forward.
- mb=$(git-merge-base "$local" "$2") &&
- case "$2,$mb" in
- $local,*)
- if test -n "$verbose"
- then
- echo >&2 "* $1: same as $3"
- echo >&2 " $label_: $newshort_"
- fi
- ;;
- *,$local)
- echo >&2 "* $1: fast forward to $3"
- echo >&2 " old..new: $oldshort_..$newshort_"
- git-update-ref -m "$GIT_REFLOG_ACTION: fast-forward" "$1" "$2" "$local"
- ;;
- *)
- false
- ;;
- esac || {
- case ",$force,$single_force," in
- *,t,*)
- echo >&2 "* $1: forcing update to non-fast forward $3"
- echo >&2 " old...new: $oldshort_...$newshort_"
- git-update-ref -m "$GIT_REFLOG_ACTION: forced-update" "$1" "$2" "$local"
- ;;
- *)
- echo >&2 "* $1: not updating to non-fast forward $3"
- echo >&2 " old...new: $oldshort_...$newshort_"
- exit 1
- ;;
- esac
- }
- else
- echo >&2 "* $1: storing $3"
- echo >&2 " $label_: $newshort_"
- git-update-ref -m "$GIT_REFLOG_ACTION: storing head" "$1" "$2"
- fi
- ;;
- esac
+ flags=
+ test -n "$verbose" && flags="$flags -v"
+ test -n "$force" && flags="$flags -f"
+ GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
+ git-fetch--tool update-local-ref $flags "$@"
}
# updating the current HEAD with git-fetch in a bare