mirror of
https://github.com/git/git.git
synced 2024-06-02 05:56:11 +02:00
6762079a96
If the remote repository does not have a "current branch", git-clone was confused and did not set up the resulting new repository correctly. It did not reset HEAD from the default 'master', and did not write the SHA1 to the master branch. Signed-off-by: Nanako Shiraishi <nanako3@bluebottle.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
419 lines
10 KiB
Bash
Executable File
419 lines
10 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2005, Linus Torvalds
|
|
# Copyright (c) 2005, Junio C Hamano
|
|
#
|
|
# Clone a repository into a different directory that does not yet exist.
|
|
|
|
# See git-sh-setup why.
|
|
unset CDPATH
|
|
|
|
die() {
|
|
echo >&2 "$@"
|
|
exit 1
|
|
}
|
|
|
|
usage() {
|
|
die "Usage: $0 [--template=<template_directory>] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [--origin <name>] [--depth <n>] [-n] <repo> [<dir>]"
|
|
}
|
|
|
|
get_repo_base() {
|
|
(
|
|
cd "`/bin/pwd`" &&
|
|
cd "$1" || cd "$1.git" &&
|
|
{
|
|
cd .git
|
|
pwd
|
|
}
|
|
) 2>/dev/null
|
|
}
|
|
|
|
if [ -n "$GIT_SSL_NO_VERIFY" ]; then
|
|
curl_extra_args="-k"
|
|
fi
|
|
|
|
http_fetch () {
|
|
# $1 = Remote, $2 = Local
|
|
curl -nsfL $curl_extra_args "$1" >"$2"
|
|
}
|
|
|
|
clone_dumb_http () {
|
|
# $1 - remote, $2 - local
|
|
cd "$2" &&
|
|
clone_tmp="$GIT_DIR/clone-tmp" &&
|
|
mkdir -p "$clone_tmp" || exit 1
|
|
if [ -n "$GIT_CURL_FTP_NO_EPSV" -o \
|
|
"`git-config --bool http.noEPSV`" = true ]; then
|
|
curl_extra_args="${curl_extra_args} --disable-epsv"
|
|
fi
|
|
http_fetch "$1/info/refs" "$clone_tmp/refs" ||
|
|
die "Cannot get remote repository information.
|
|
Perhaps git-update-server-info needs to be run there?"
|
|
test "z$quiet" = z && v=-v || v=
|
|
while read sha1 refname
|
|
do
|
|
name=`expr "z$refname" : 'zrefs/\(.*\)'` &&
|
|
case "$name" in
|
|
*^*) continue;;
|
|
esac
|
|
case "$bare,$name" in
|
|
yes,* | ,heads/* | ,tags/*) ;;
|
|
*) continue ;;
|
|
esac
|
|
if test -n "$use_separate_remote" &&
|
|
branch_name=`expr "z$name" : 'zheads/\(.*\)'`
|
|
then
|
|
tname="remotes/$origin/$branch_name"
|
|
else
|
|
tname=$name
|
|
fi
|
|
git-http-fetch $v -a -w "$tname" "$sha1" "$1" || exit 1
|
|
done <"$clone_tmp/refs"
|
|
rm -fr "$clone_tmp"
|
|
http_fetch "$1/HEAD" "$GIT_DIR/REMOTE_HEAD" ||
|
|
rm -f "$GIT_DIR/REMOTE_HEAD"
|
|
}
|
|
|
|
quiet=
|
|
local=no
|
|
use_local=no
|
|
local_shared=no
|
|
unset template
|
|
no_checkout=
|
|
upload_pack=
|
|
bare=
|
|
reference=
|
|
origin=
|
|
origin_override=
|
|
use_separate_remote=t
|
|
depth=
|
|
no_progress=
|
|
test -t 1 || no_progress=--no-progress
|
|
while
|
|
case "$#,$1" in
|
|
0,*) break ;;
|
|
*,-n|*,--no|*,--no-|*,--no-c|*,--no-ch|*,--no-che|*,--no-chec|\
|
|
*,--no-check|*,--no-checko|*,--no-checkou|*,--no-checkout)
|
|
no_checkout=yes ;;
|
|
*,--na|*,--nak|*,--nake|*,--naked|\
|
|
*,-b|*,--b|*,--ba|*,--bar|*,--bare) bare=yes ;;
|
|
*,-l|*,--l|*,--lo|*,--loc|*,--loca|*,--local) use_local=yes ;;
|
|
*,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared)
|
|
local_shared=yes; use_local=yes ;;
|
|
1,--template) usage ;;
|
|
*,--template)
|
|
shift; template="--template=$1" ;;
|
|
*,--template=*)
|
|
template="$1" ;;
|
|
*,-q|*,--quiet) quiet=-q ;;
|
|
*,--use-separate-remote) ;;
|
|
*,--no-separate-remote)
|
|
die "clones are always made with separate-remote layout" ;;
|
|
1,--reference) usage ;;
|
|
*,--reference)
|
|
shift; reference="$1" ;;
|
|
*,--reference=*)
|
|
reference=`expr "z$1" : 'z--reference=\(.*\)'` ;;
|
|
*,-o|*,--or|*,--ori|*,--orig|*,--origi|*,--origin)
|
|
case "$2" in
|
|
'')
|
|
usage ;;
|
|
*/*)
|
|
die "'$2' is not suitable for an origin name"
|
|
esac
|
|
git-check-ref-format "heads/$2" ||
|
|
die "'$2' is not suitable for a branch name"
|
|
test -z "$origin_override" ||
|
|
die "Do not give more than one --origin options."
|
|
origin_override=yes
|
|
origin="$2"; shift
|
|
;;
|
|
1,-u|1,--upload-pack) usage ;;
|
|
*,-u|*,--upload-pack)
|
|
shift
|
|
upload_pack="--upload-pack=$1" ;;
|
|
*,--upload-pack=*)
|
|
upload_pack=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;;
|
|
1,--depth) usage;;
|
|
*,--depth)
|
|
shift
|
|
depth="--depth=$1";;
|
|
*,-*) usage ;;
|
|
*) break ;;
|
|
esac
|
|
do
|
|
shift
|
|
done
|
|
|
|
repo="$1"
|
|
test -n "$repo" ||
|
|
die 'you must specify a repository to clone.'
|
|
|
|
# --bare implies --no-checkout and --no-separate-remote
|
|
if test yes = "$bare"
|
|
then
|
|
if test yes = "$origin_override"
|
|
then
|
|
die '--bare and --origin $origin options are incompatible.'
|
|
fi
|
|
no_checkout=yes
|
|
use_separate_remote=
|
|
fi
|
|
|
|
if test -z "$origin"
|
|
then
|
|
origin=origin
|
|
fi
|
|
|
|
# Turn the source into an absolute path if
|
|
# it is local
|
|
if base=$(get_repo_base "$repo"); then
|
|
repo="$base"
|
|
local=yes
|
|
fi
|
|
|
|
dir="$2"
|
|
# Try using "humanish" part of source repo if user didn't specify one
|
|
[ -z "$dir" ] && dir=$(echo "$repo" | sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
|
|
[ -e "$dir" ] && die "destination directory '$dir' already exists."
|
|
mkdir -p "$dir" &&
|
|
D=$(cd "$dir" && pwd) &&
|
|
trap 'err=$?; cd ..; rm -rf "$D"; exit $err' 0
|
|
case "$bare" in
|
|
yes)
|
|
GIT_DIR="$D" ;;
|
|
*)
|
|
GIT_DIR="$D/.git" ;;
|
|
esac && export GIT_DIR && git-init ${template+"$template"} || usage
|
|
|
|
if test -n "$reference"
|
|
then
|
|
ref_git=
|
|
if test -d "$reference"
|
|
then
|
|
if test -d "$reference/.git/objects"
|
|
then
|
|
ref_git="$reference/.git"
|
|
elif test -d "$reference/objects"
|
|
then
|
|
ref_git="$reference"
|
|
fi
|
|
fi
|
|
if test -n "$ref_git"
|
|
then
|
|
ref_git=$(cd "$ref_git" && pwd)
|
|
echo "$ref_git/objects" >"$GIT_DIR/objects/info/alternates"
|
|
(
|
|
GIT_DIR="$ref_git" git for-each-ref \
|
|
--format='%(objectname) %(*objectname)'
|
|
) |
|
|
while read a b
|
|
do
|
|
test -z "$a" ||
|
|
git update-ref "refs/reference-tmp/$a" "$a"
|
|
test -z "$b" ||
|
|
git update-ref "refs/reference-tmp/$b" "$b"
|
|
done
|
|
else
|
|
die "reference repository '$reference' is not a local directory."
|
|
fi
|
|
fi
|
|
|
|
rm -f "$GIT_DIR/CLONE_HEAD"
|
|
|
|
# We do local magic only when the user tells us to.
|
|
case "$local,$use_local" in
|
|
yes,yes)
|
|
( cd "$repo/objects" ) ||
|
|
die "-l flag seen but repository '$repo' is not local."
|
|
|
|
case "$local_shared" in
|
|
no)
|
|
# See if we can hardlink and drop "l" if not.
|
|
sample_file=$(cd "$repo" && \
|
|
find objects -type f -print | sed -e 1q)
|
|
|
|
# objects directory should not be empty since we are cloning!
|
|
test -f "$repo/$sample_file" || exit
|
|
|
|
l=
|
|
if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null
|
|
then
|
|
l=l
|
|
fi &&
|
|
rm -f "$GIT_DIR/objects/sample" &&
|
|
cd "$repo" &&
|
|
find objects -depth -print | cpio -pumd$l "$GIT_DIR/" || exit 1
|
|
;;
|
|
yes)
|
|
mkdir -p "$GIT_DIR/objects/info"
|
|
echo "$repo/objects" >> "$GIT_DIR/objects/info/alternates"
|
|
;;
|
|
esac
|
|
git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD" || exit 1
|
|
;;
|
|
*)
|
|
case "$repo" in
|
|
rsync://*)
|
|
case "$depth" in
|
|
"") ;;
|
|
*) die "shallow over rsync not supported" ;;
|
|
esac
|
|
rsync $quiet -av --ignore-existing \
|
|
--exclude info "$repo/objects/" "$GIT_DIR/objects/" ||
|
|
exit
|
|
# Look at objects/info/alternates for rsync -- http will
|
|
# support it natively and git native ones will do it on the
|
|
# remote end. Not having that file is not a crime.
|
|
rsync -q "$repo/objects/info/alternates" \
|
|
"$GIT_DIR/TMP_ALT" 2>/dev/null ||
|
|
rm -f "$GIT_DIR/TMP_ALT"
|
|
if test -f "$GIT_DIR/TMP_ALT"
|
|
then
|
|
( cd "$D" &&
|
|
. git-parse-remote &&
|
|
resolve_alternates "$repo" <"$GIT_DIR/TMP_ALT" ) |
|
|
while read alt
|
|
do
|
|
case "$alt" in 'bad alternate: '*) die "$alt";; esac
|
|
case "$quiet" in
|
|
'') echo >&2 "Getting alternate: $alt" ;;
|
|
esac
|
|
rsync $quiet -av --ignore-existing \
|
|
--exclude info "$alt" "$GIT_DIR/objects" || exit
|
|
done
|
|
rm -f "$GIT_DIR/TMP_ALT"
|
|
fi
|
|
git-ls-remote "$repo" >"$GIT_DIR/CLONE_HEAD" || exit 1
|
|
;;
|
|
https://*|http://*|ftp://*)
|
|
case "$depth" in
|
|
"") ;;
|
|
*) die "shallow over http or ftp not supported" ;;
|
|
esac
|
|
if test -z "@@NO_CURL@@"
|
|
then
|
|
clone_dumb_http "$repo" "$D"
|
|
else
|
|
die "http transport not supported, rebuild Git with curl support"
|
|
fi
|
|
;;
|
|
*)
|
|
case "$upload_pack" in
|
|
'') git-fetch-pack --all -k $quiet $depth $no_progress "$repo";;
|
|
*) git-fetch-pack --all -k $quiet "$upload_pack" $depth $no_progress "$repo" ;;
|
|
esac >"$GIT_DIR/CLONE_HEAD" ||
|
|
die "fetch-pack from '$repo' failed."
|
|
;;
|
|
esac
|
|
;;
|
|
esac
|
|
test -d "$GIT_DIR/refs/reference-tmp" && rm -fr "$GIT_DIR/refs/reference-tmp"
|
|
|
|
if test -f "$GIT_DIR/CLONE_HEAD"
|
|
then
|
|
# Read git-fetch-pack -k output and store the remote branches.
|
|
if [ -n "$use_separate_remote" ]
|
|
then
|
|
branch_top="remotes/$origin"
|
|
else
|
|
branch_top="heads"
|
|
fi
|
|
tag_top="tags"
|
|
while read sha1 name
|
|
do
|
|
case "$name" in
|
|
*'^{}')
|
|
continue ;;
|
|
HEAD)
|
|
destname="REMOTE_HEAD" ;;
|
|
refs/heads/*)
|
|
destname="refs/$branch_top/${name#refs/heads/}" ;;
|
|
refs/tags/*)
|
|
destname="refs/$tag_top/${name#refs/tags/}" ;;
|
|
*)
|
|
continue ;;
|
|
esac
|
|
git-update-ref -m "clone: from $repo" "$destname" "$sha1" ""
|
|
done < "$GIT_DIR/CLONE_HEAD"
|
|
fi
|
|
|
|
cd "$D" || exit
|
|
|
|
if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD"
|
|
then
|
|
# a non-bare repository is always in separate-remote layout
|
|
remote_top="refs/remotes/$origin"
|
|
head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"`
|
|
case "$head_sha1" in
|
|
'ref: refs/'*)
|
|
# Uh-oh, the remote told us (http transport done against
|
|
# new style repository with a symref HEAD).
|
|
# Ideally we should skip the guesswork but for now
|
|
# opt for minimum change.
|
|
head_sha1=`expr "z$head_sha1" : 'zref: refs/heads/\(.*\)'`
|
|
head_sha1=`cat "$GIT_DIR/$remote_top/$head_sha1"`
|
|
;;
|
|
esac
|
|
|
|
# The name under $remote_top the remote HEAD seems to point at.
|
|
head_points_at=$(
|
|
(
|
|
test -f "$GIT_DIR/$remote_top/master" && echo "master"
|
|
cd "$GIT_DIR/$remote_top" &&
|
|
find . -type f -print | sed -e 's/^\.\///'
|
|
) | (
|
|
done=f
|
|
while read name
|
|
do
|
|
test t = $done && continue
|
|
branch_tip=`cat "$GIT_DIR/$remote_top/$name"`
|
|
if test "$head_sha1" = "$branch_tip"
|
|
then
|
|
echo "$name"
|
|
done=t
|
|
fi
|
|
done
|
|
)
|
|
)
|
|
|
|
# Upstream URL
|
|
git-config remote."$origin".url "$repo" &&
|
|
|
|
# Set up the mappings to track the remote branches.
|
|
git-config remote."$origin".fetch \
|
|
"+refs/heads/*:$remote_top/*" '^$' &&
|
|
|
|
# Write out remote.$origin config, and update our "$head_points_at".
|
|
case "$head_points_at" in
|
|
?*)
|
|
# Local default branch
|
|
git-symbolic-ref HEAD "refs/heads/$head_points_at" &&
|
|
|
|
# Tracking branch for the primary branch at the remote.
|
|
git-update-ref HEAD "$head_sha1" &&
|
|
|
|
rm -f "refs/remotes/$origin/HEAD"
|
|
git-symbolic-ref "refs/remotes/$origin/HEAD" \
|
|
"refs/remotes/$origin/$head_points_at" &&
|
|
|
|
git-config branch."$head_points_at".remote "$origin" &&
|
|
git-config branch."$head_points_at".merge "refs/heads/$head_points_at"
|
|
;;
|
|
'')
|
|
# Source had detached HEAD pointing nowhere
|
|
git-update-ref --no-deref HEAD "$head_sha1" &&
|
|
rm -f "refs/remotes/$origin/HEAD"
|
|
;;
|
|
esac
|
|
|
|
case "$no_checkout" in
|
|
'')
|
|
test "z$quiet" = z -a "z$no_progress" = z && v=-v || v=
|
|
git-read-tree -m -u $v HEAD HEAD
|
|
esac
|
|
fi
|
|
rm -f "$GIT_DIR/CLONE_HEAD" "$GIT_DIR/REMOTE_HEAD"
|
|
|
|
trap - 0
|