undef/git-commit-vandalism
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
ce4474b65d
git-commit-vandalism/git-fetch.sh
Junio C Hamano 3ddad98b74 Merge branch 'js/fetch-progress' (early part) 
* 'js/fetch-progress' (early part):
  Fixup no-progress for fetch & clone
  fetch & clone: do not output progress when not on a tty

Conflicts:

	git-fetch.sh
2007-03-04 17:31:21 -08:00

504 lines
12 KiB
Bash
Executable File
Raw Blame History

#!/bin/sh
#
USAGE='<fetch-options> <repository> <refspec>...'
SUBDIRECTORY_OK=Yes
. git-sh-setup
set_reflog_action "fetch $*"
cd_to_toplevel ;# probably unnecessary...
. git-parse-remote
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
LF='
'
IFS="$LF"
no_tags=
tags=
append=
force=
verbose=
update_head_ok=
exec=
keep=
shallow_depth=
no_progress=
test -t 1 || no_progress=--no-progress
while case "$#" in 0) break ;; esac
do
case "$1" in
-a|--a|--ap|--app|--appe|--appen|--append)
append=t
;;
--upl|--uplo|--uploa|--upload|--upload-|--upload-p|\
--upload-pa|--upload-pac|--upload-pack)
shift
exec="--upload-pack=$1"
;;
--upl=*|--uplo=*|--uploa=*|--upload=*|\
--upload-=*|--upload-p=*|--upload-pa=*|--upload-pac=*|--upload-pack=*)
exec=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)')
shift
;;
-f|--f|--fo|--for|--forc|--force)
force=t
;;
-t|--t|--ta|--tag|--tags)
tags=t
;;
-n|--n|--no|--no-|--no-t|--no-ta|--no-tag|--no-tags)
no_tags=t
;;
-u|--u|--up|--upd|--upda|--updat|--update|--update-|--update-h|\
--update-he|--update-hea|--update-head|--update-head-|\
--update-head-o|--update-head-ok)
update_head_ok=t
;;
-v|--verbose)
verbose=Yes
;;
-k|--k|--ke|--kee|--keep)
keep='-k -k'
;;
--depth=*)
shallow_depth="--depth=`expr "z$1" : 'z-[^=]*=\(.*\)'`"
;;
--depth)
shift
shallow_depth="--depth=$1"
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
case "$#" in
0)
origin=$(get_default_remote)
test -n "$(get_remote_url ${origin})" ||
die "Where do you want to fetch from today?"
set x $origin ; shift ;;
esac
if test -z "$exec"
then
# No command line override and we have configuration for the remote.
exec="--upload-pack=$(get_uploadpack $1)"
fi
remote_nick="$1"
remote=$(get_remote_url "$@")
refs=
rref=
rsync_slurped_objects=
if test "" = "$append"
then
: >"$GIT_DIR/FETCH_HEAD"
fi
# Global that is reused later
ls_remote_result=$(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_" "$note_"
}
update_local_ref () {
# If we are storing the head locally make sure that it is
# a fast forward (aka "reverse push").
label_=$(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" "$2"
fi
;;
esac
}
# updating the current HEAD with git-fetch in a bare
# repository is always fine.
if test -z "$update_head_ok" && test $(is_bare_repository) = false
then
orig_head=$(git-rev-parse --verify HEAD 2>/dev/null)
fi
# Allow --notags from remote.$1.tagopt
case "$tags$no_tags" in
'')
case "$(git-config --get "remote.$1.tagopt")" in
--no-tags)
no_tags=t ;;
esac
esac
# If --tags (and later --heads or --all) is specified, then we are
# not talking about defaults stored in Pull: line of remotes or
# branches file, and just fetch those and refspecs explicitly given.
# Otherwise we do what we always did.
reflist=$(get_remote_refs_for_fetch "$@")
if test "$tags"
then
taglist=`IFS=' ' &&
echo "$ls_remote_result" |
git-show-ref --exclude-existing=refs/tags/ |
while read sha1 name
do
echo ".${name}:${name}"
done` || exit
if test "$#" -gt 1
then
# remote URL plus explicit refspecs; we need to merge them.
reflist="$reflist$LF$taglist"
else
# No explicit refspecs; fetch tags only.
reflist=$taglist
fi
fi
fetch_main () {
reflist="$1"
refs=
rref=
for ref in $reflist
do
refs="$refs$LF$ref"
# These are relative path from $GIT_DIR, typically starting at refs/
# but may be HEAD
if expr "z$ref" : 'z\.' >/dev/null
then
not_for_merge=t
ref=$(expr "z$ref" : 'z\.\(.*\)')
else
not_for_merge=
fi
if expr "z$ref" : 'z+' >/dev/null
then
single_force=t
ref=$(expr "z$ref" : 'z+\(.*\)')
else
single_force=
fi
remote_name=$(expr "z$ref" : 'z\([^:]*\):')
local_name=$(expr "z$ref" : 'z[^:]*:\(.*\)')
rref="$rref$LF$remote_name"
# There are transports that can fetch only one head at a time...
case "$remote" in
http://* | https://* | ftp://*)
test -n "$shallow_depth" &&
die "shallow clone with http not supported"
proto=`expr "$remote" : '\([^:]*\):'`
if [ -n "$GIT_SSL_NO_VERIFY" ]; then
curl_extra_args="-k"
fi
if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \
"`git-config --bool http.noEPSV`" = true ]; then
noepsv_opt="--disable-epsv"
fi
# Find $remote_name from ls-remote output.
head=$(
IFS=' '
echo "$ls_remote_result" |
while read sha1 name
do
test "z$name" = "z$remote_name" || continue
echo "$sha1"
break
done
)
expr "z$head" : "z$_x40\$" >/dev/null ||
die "No such ref $remote_name at $remote"
echo >&2 "Fetching $remote_name from $remote using $proto"
git-http-fetch -v -a "$head" "$remote/" || exit
;;
rsync://*)
test -n "$shallow_depth" &&
die "shallow clone with rsync not supported"
TMP_HEAD="$GIT_DIR/TMP_HEAD"
rsync -L -q "$remote/$remote_name" "$TMP_HEAD" || exit 1
head=$(git-rev-parse --verify TMP_HEAD)
rm -f "$TMP_HEAD"
test "$rsync_slurped_objects" || {
rsync -av --ignore-existing --exclude info \
"$remote/objects/" "$GIT_OBJECT_DIRECTORY/" || exit
# Look at objects/info/alternates for rsync -- http will
# support it natively and git native ones will do it on
# the remote end. Not having that file is not a crime.
rsync -q "$remote/objects/info/alternates" \
"$GIT_DIR/TMP_ALT" 2>/dev/null ||
rm -f "$GIT_DIR/TMP_ALT"
if test -f "$GIT_DIR/TMP_ALT"
then
resolve_alternates "$remote" <"$GIT_DIR/TMP_ALT" |
while read alt
do
case "$alt" in 'bad alternate: '*) die "$alt";; esac
echo >&2 "Getting alternate: $alt"
rsync -av --ignore-existing --exclude info \
"$alt" "$GIT_OBJECT_DIRECTORY/" || exit
done
rm -f "$GIT_DIR/TMP_ALT"
fi
rsync_slurped_objects=t
}
;;
*)
# We will do git native transport with just one call later.
continue ;;
esac
append_fetch_head "$head" "$remote" \
"$remote_name" "$remote_nick" "$local_name" "$not_for_merge" || exit
done
case "$remote" in
http://* | https://* | ftp://* | rsync://* )
;; # we are already done.
*)
( : subshell because we muck with IFS
IFS=" $LF"
(
if test -f "$remote" ; then
test -n "$shallow_depth" &&
die "shallow clone with bundle is not supported"
git-bundle unbundle "$remote" $rref ||
echo failed "$remote"
else
git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
"$remote" $rref ||
echo failed "$remote"
fi
) |
(
trap '
if test -n "$keepfile" && test -f "$keepfile"
then
rm -f "$keepfile"
fi
' 0
keepfile=
while read sha1 remote_name
do
case "$sha1" in
failed)
echo >&2 "Fetch failure: $remote"
exit 1 ;;
# special line coming from index-pack with the pack name
pack)
continue ;;
keep)
keepfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep"
continue ;;
esac
found=
single_force=
for ref in $refs
do
case "$ref" in
+$remote_name:*)
single_force=t
not_for_merge=
found="$ref"
break ;;
.+$remote_name:*)
single_force=t
not_for_merge=t
found="$ref"
break ;;
.$remote_name:*)
not_for_merge=t
found="$ref"
break ;;
$remote_name:*)
not_for_merge=
found="$ref"
break ;;
esac
done
local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
append_fetch_head "$sha1" "$remote" \
"$remote_name" "$remote_nick" "$local_name" \
"$not_for_merge" || exit
done
)
) || exit ;;
esac
}
fetch_main "$reflist" || exit
# automated tag following
case "$no_tags$tags" in
'')
case "$reflist" in
*:refs/*)
# effective only when we are following remote branch
# using local tracking branch.
taglist=$(IFS=' ' &&
echo "$ls_remote_result" |
git-show-ref --exclude-existing=refs/tags/ |
while read sha1 name
do
git-cat-file -t "$sha1" >/dev/null 2>&1 || continue
echo >&2 "Auto-following $name"
echo ".${name}:${name}"
done)
esac
case "$taglist" in
'') ;;
?*)
# do not deepen a shallow tree when following tags
shallow_depth=
fetch_main "$taglist" || exit ;;
esac
esac
# If the original head was empty (i.e. no "master" yet), or
# if we were told not to worry, we do not have to check.
case "$orig_head" in
'')
;;
?*)
curr_head=$(git-rev-parse --verify HEAD 2>/dev/null)
if test "$curr_head" != "$orig_head"
then
git-update-ref \
-m "$GIT_REFLOG_ACTION: Undoing incorrectly fetched HEAD." \
HEAD "$orig_head"
die "Cannot fetch into the current branch."
fi
;;
esac
Reference in New Issue View Git Blame Copy Permalink