diff options
Diffstat (limited to 'git-clone.sh')
-rwxr-xr-x | git-clone.sh | 144 |
1 files changed, 86 insertions, 58 deletions
diff --git a/git-clone.sh b/git-clone.sh index 5e582fe247..0d686c3a03 100755 --- a/git-clone.sh +++ b/git-clone.sh @@ -8,15 +8,36 @@ # 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() { - die "Usage: $0 [--template=<template_directory>] [--reference <reference-repo>] [--bare] [-l [-s]] [-q] [-u <upload-pack>] [--origin <name>] [--depth <n>] [-n] <repo> [<dir>]" + exec "$0" -h } +eval "$(echo "$OPTIONS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)" + get_repo_base() { ( cd "`/bin/pwd`" && @@ -28,17 +49,19 @@ get_repo_base() { ) 2>/dev/null } -if [ -n "$GIT_SSL_NO_VERIFY" ]; then +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" || - case $? in - 126|127) exit ;; - *) return $? ;; - esac + curl -nsfL $curl_extra_args "$1" >"$2" + curl_exit_status=$? + case $curl_exit_status in + 126|127) exit ;; + *) return $curl_exit_status ;; + esac } clone_dumb_http () { @@ -105,64 +128,57 @@ depth= no_progress= local_explicitly_asked_for= test -t 1 || no_progress=--no-progress -while - case "$#,$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) - local_explicitly_asked_for=yes - use_local_hardlink=yes ;; - *,--no-h|*,--no-ha|*,--no-har|*,--no-hard|*,--no-hardl|\ - *,--no-hardli|*,--no-hardlin|*,--no-hardlink|*,--no-hardlinks) - use_local_hardlink=no ;; - *,-s|*,--s|*,--sh|*,--sha|*,--shar|*,--share|*,--shared) - local_shared=yes; ;; - 1,--template) usage ;; - *,--template) + +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" ;; - *,--template=*) - template="$1" ;; - *,-q|*,--quiet) quiet=-q ;; - *,--use-separate-remote) ;; - *,--no-separate-remote) + -q|--quiet) + quiet=-q ;; + --use-separate-remote|--no-separate-remote) die "clones are always made with separate-remote layout" ;; - 1,--reference) usage ;; - *,--reference) + --reference) shift; reference="$1" ;; - *,--reference=*) - reference=`expr "z$1" : 'z--reference=\(.*\)'` ;; - *,-o|*,--or|*,--ori|*,--orig|*,--origi|*,--origin) - case "$2" in + -o|--origin) + shift; + case "$1" in '') usage ;; */*) - die "'$2' is not suitable for an origin name" + die "'$1' is not suitable for an origin name" esac - git check-ref-format "heads/$2" || - die "'$2' is not suitable for a branch name" + 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="$2"; shift + origin="$1" ;; - 1,-u|1,--upload-pack) usage ;; - *,-u|*,--upload-pack) + -u|--upload-pack) shift upload_pack="--upload-pack=$1" ;; - *,--upload-pack=*) - upload_pack=--upload-pack=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; - 1,--depth) usage;; - *,--depth) + --depth) + shift + depth="--depth=$1" ;; + --) shift - depth="--depth=$1";; - *,-*) usage ;; - *) break ;; + break ;; + *) + usage ;; esac -do shift done @@ -190,7 +206,10 @@ fi # it is local if base=$(get_repo_base "$repo"); then repo="$base" - local=yes + if test -z "$depth" + then + local=yes + fi fi dir="$2" @@ -214,7 +233,7 @@ cleanup() { trap cleanup 0 mkdir -p "$dir" && D=$(cd "$dir" && pwd) || usage test -n "$GIT_WORK_TREE" && mkdir -p "$GIT_WORK_TREE" && -W=$(cd "$GIT_WORK_TREE" && pwd) && export GIT_WORK_TREE="$W" +W=$(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="$D" else @@ -282,7 +301,8 @@ yes) find objects -type f -print | sed -e 1q) # objects directory should not be empty because # we are cloning! - test -f "$repo/$sample_file" || exit + test -f "$repo/$sample_file" || + die "fatal: cannot clone empty repository" if ln "$repo/$sample_file" "$GIT_DIR/objects/sample" 2>/dev/null then rm -f "$GIT_DIR/objects/sample" @@ -389,11 +409,12 @@ else cd "$D" || exit fi -if test -z "$bare" && test -f "$GIT_DIR/REMOTE_HEAD" +if test -z "$bare" then # a non-bare repository is always in separate-remote layout remote_top="refs/remotes/$origin" - head_sha1=`cat "$GIT_DIR/REMOTE_HEAD"` + head_sha1= + test ! -r "$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 @@ -450,9 +471,16 @@ then 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" + 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 |