diff options
Diffstat (limited to 'contrib/examples/git-clone.sh')
| -rwxr-xr-x | contrib/examples/git-clone.sh | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/contrib/examples/git-clone.sh b/contrib/examples/git-clone.sh deleted file mode 100755 index 08cf246bbb..0000000000 --- a/contrib/examples/git-clone.sh +++ /dev/null @@ -1,525 +0,0 @@ -#!/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 - -OPTIONS_SPEC="\ -git-clone [options] [--] <repo> [<dir>] --- -n,no-checkout don't create a checkout -bare create a bare repository -naked create a bare repository -l,local to clone from a local repository -no-hardlinks don't use local hardlinks, always copy -s,shared setup as a shared repository -template= path to the template directory -q,quiet be quiet -reference= reference repository -o,origin= use <name> instead of 'origin' to track upstream -u,upload-pack= path to git-upload-pack on the remote -depth= create a shallow clone of that depth - -use-separate-remote compatibility, do not use -no-separate-remote compatibility, do not use" - -die() { - echo >&2 "$@" - exit 1 -} - -usage() { - exec "$0" -h -} - -eval "$(echo "$OPTIONS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)" - -get_repo_base() { - ( - cd "$(/bin/pwd)" && - cd "$1" || cd "$1.git" && - { - cd .git - pwd - } - ) 2>/dev/null -} - -if [ -n "$GIT_SSL_NO_VERIFY" -o \ - "$(git config --bool http.sslVerify)" = false ]; then - curl_extra_args="-k" -fi - -http_fetch () { - # $1 = Remote, $2 = Local - curl -nsfL $curl_extra_args "$1" >"$2" - curl_exit_status=$? - case $curl_exit_status in - 126|127) exit ;; - *) return $curl_exit_status ;; - esac -} - -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 "$GIT_DIR/REMOTE_HEAD" - if test -f "$GIT_DIR/REMOTE_HEAD"; then - head_sha1=$(cat "$GIT_DIR/REMOTE_HEAD") - case "$head_sha1" in - 'ref: refs/'*) - ;; - *) - git-http-fetch $v -a "$head_sha1" "$1" || - rm -f "$GIT_DIR/REMOTE_HEAD" - ;; - esac - fi -} - -quiet= -local=no -use_local_hardlink=yes -local_shared=no -unset template -no_checkout= -upload_pack= -bare= -reference= -origin= -origin_override= -use_separate_remote=t -depth= -no_progress= -local_explicitly_asked_for= -test -t 1 || no_progress=--no-progress - -while test $# != 0 -do - case "$1" in - -n|--no-checkout) - no_checkout=yes ;; - --naked|--bare) - bare=yes ;; - -l|--local) - local_explicitly_asked_for=yes - use_local_hardlink=yes - ;; - --no-hardlinks) - use_local_hardlink=no ;; - -s|--shared) - local_shared=yes ;; - --template) - shift; template="--template=$1" ;; - -q|--quiet) - quiet=-q ;; - --use-separate-remote|--no-separate-remote) - die "clones are always made with separate-remote layout" ;; - --reference) - shift; reference="$1" ;; - -o|--origin) - shift; - case "$1" in - '') - usage ;; - */*) - die "'$1' is not suitable for an origin name" - esac - git check-ref-format "heads/$1" || - die "'$1' is not suitable for a branch name" - test -z "$origin_override" || - die "Do not give more than one --origin options." - origin_override=yes - origin="$1" - ;; - -u|--upload-pack) - shift - upload_pack="--upload-pack=$1" ;; - --depth) - shift - depth="--depth=$1" ;; - --) - shift - break ;; - *) - usage ;; - esac - 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="$base" - if test -z "$depth" - then - local=yes - fi -elif test -f "$repo" -then - case "$repo" in /*) ;; *) repo="$PWD/$repo" ;; esac -fi - -# Decide the directory name of the new repository -if test -n "$2" -then - dir="$2" - test $# = 2 || die "excess parameter to git-clone" -else - # Derive one from the repository name - # Try using "humanish" part of source repo if user didn't specify one - if test -f "$repo" - then - # Cloning from a bundle - dir=$(echo "$repo" | sed -e 's|/*\.bundle$||' -e 's|.*/||g') - else - dir=$(echo "$repo" | - sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') - fi -fi - -[ -e "$dir" ] && die "destination directory '$dir' already exists." -[ yes = "$bare" ] && unset GIT_WORK_TREE -[ -n "$GIT_WORK_TREE" ] && [ -e "$GIT_WORK_TREE" ] && -die "working tree '$GIT_WORK_TREE' already exists." -D= -W= -cleanup() { - test -z "$D" && rm -rf "$dir" - test -z "$W" && test -n "$GIT_WORK_TREE" && rm -rf "$GIT_WORK_TREE" - cd .. - test -n "$D" && rm -rf "$D" - test -n "$W" && rm -rf "$W" - exit $err -} -trap 'err=$?; cleanup' 0 -mkdir -p "$dir" && D=$(cd "$dir" && pwd) || usage -test -n "$GIT_WORK_TREE" && mkdir -p "$GIT_WORK_TREE" && -W=$(cd "$GIT_WORK_TREE" && pwd) && GIT_WORK_TREE="$W" && export GIT_WORK_TREE -if test yes = "$bare" || test -n "$GIT_WORK_TREE"; then - GIT_DIR="$D" -else - GIT_DIR="$D/.git" -fi && -export GIT_DIR && -GIT_CONFIG="$GIT_DIR/config" git-init $quiet ${template+"$template"} || usage - -if test -n "$bare" -then - GIT_CONFIG="$GIT_DIR/config" git config core.bare true -fi - -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 "$local" in -yes) - ( cd "$repo/objects" ) || - die "cannot chdir to local '$repo/objects'." - - if test "$local_shared" = yes - then - mkdir -p "$GIT_DIR/objects/info" - echo "$repo/objects" >>"$GIT_DIR/objects/info/alternates" - else - cpio_quiet_flag="" - cpio --help 2>&1 | grep -- --quiet >/dev/null && \ - cpio_quiet_flag=--quiet - l= && - if test "$use_local_hardlink" = yes - then - # 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 because - # we are cloning! - test -f "$repo/$sample_file" || - die "fatal: cannot clone empty repository" - if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null - then - rm -f "$GIT_DIR/objects/sample" - l=l - elif test -n "$local_explicitly_asked_for" - then - echo >&2 "Warning: -l asked but cannot hardlink to $repo" - fi - fi && - cd "$repo" && - # Create dirs using umask and permissions and destination - find objects -type d -print | (cd "$GIT_DIR" && xargs mkdir -p) && - # Copy existing 0444 permissions on content - find objects ! -type d -print | cpio $cpio_quiet_flag -pumd$l "$GIT_DIR/" || \ - exit 1 - fi - git-ls-remote "$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" "$D" - else - die "http transport not supported, rebuild Git with curl support" - fi - ;; - *) - if [ -f "$repo" ] ; then - git bundle unbundle "$repo" > "$GIT_DIR/CLONE_HEAD" || - die "unbundle from '$repo' failed." - else - case "$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." - fi - ;; - 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 - -if test -n "$W"; then - cd "$W" || exit -else - cd "$D" || exit -fi - -if test -z "$bare" -then - # a non-bare repository is always in separate-remote layout - remote_top="refs/remotes/$origin" - head_sha1= - test ! -r "$GIT_DIR/REMOTE_HEAD" || 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" - ;; - '') - if test -z "$head_sha1" - then - # Source had nonexistent ref in HEAD - echo >&2 "Warning: Remote HEAD refers to nonexistent ref, unable to checkout." - no_checkout=t - else - # Source had detached HEAD pointing nowhere - git update-ref --no-deref HEAD "$head_sha1" && - rm -f "refs/remotes/$origin/HEAD" - fi - ;; - esac - - case "$no_checkout" in - '') - test "z$quiet" = z && test "z$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 |