| #!/bin/sh |
| # |
| # git-submodules.sh: add, init, update or list git submodules |
| # |
| # Copyright (c) 2007 Lars Hjemli |
| |
| dashless=$(basename "$0" | sed -e 's/-/ /') |
| USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>] |
| or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...] |
| or: $dashless [--quiet] init [--] [<path>...] |
| or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...] |
| or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...] |
| or: $dashless [--quiet] foreach [--recursive] <command> |
| or: $dashless [--quiet] sync [--] [<path>...]" |
| OPTIONS_SPEC= |
| . git-sh-setup |
| . git-parse-remote |
| require_work_tree |
| |
| command= |
| branch= |
| force= |
| reference= |
| cached= |
| recursive= |
| init= |
| files= |
| nofetch= |
| update= |
| prefix= |
| |
| # Resolve relative url by appending to parent's url |
| resolve_relative_url () |
| { |
| remote=$(get_default_remote) |
| remoteurl=$(git config "remote.$remote.url") || |
| remoteurl=$(pwd) # the repository is its own authoritative upstream |
| url="$1" |
| remoteurl=${remoteurl%/} |
| sep=/ |
| while test -n "$url" |
| do |
| case "$url" in |
| ../*) |
| url="${url#../}" |
| case "$remoteurl" in |
| */*) |
| remoteurl="${remoteurl%/*}" |
| ;; |
| *:*) |
| remoteurl="${remoteurl%:*}" |
| sep=: |
| ;; |
| *) |
| die "cannot strip one component off url '$remoteurl'" |
| ;; |
| esac |
| ;; |
| ./*) |
| url="${url#./}" |
| ;; |
| *) |
| break;; |
| esac |
| done |
| echo "$remoteurl$sep${url%/}" |
| } |
| |
| # |
| # Get submodule info for registered submodules |
| # $@ = path to limit submodule list |
| # |
| module_list() |
| { |
| git ls-files --error-unmatch --stage -- "$@" | |
| perl -e ' |
| my %unmerged = (); |
| my ($null_sha1) = ("0" x 40); |
| while (<STDIN>) { |
| chomp; |
| my ($mode, $sha1, $stage, $path) = |
| /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/; |
| next unless $mode eq "160000"; |
| if ($stage ne "0") { |
| if (!$unmerged{$path}++) { |
| print "$mode $null_sha1 U\t$path\n"; |
| } |
| next; |
| } |
| print "$_\n"; |
| } |
| ' |
| } |
| |
| # |
| # Map submodule path to submodule name |
| # |
| # $1 = path |
| # |
| module_name() |
| { |
| # Do we have "submodule.<something>.path = $1" defined in .gitmodules file? |
| re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g') |
| name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' | |
| sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' ) |
| test -z "$name" && |
| die "No submodule mapping found in .gitmodules for path '$path'" |
| echo "$name" |
| } |
| |
| # |
| # Clone a submodule |
| # |
| # Prior to calling, cmd_update checks that a possibly existing |
| # path is not a git repository. |
| # Likewise, cmd_add checks that path does not exist at all, |
| # since it is the location of a new submodule. |
| # |
| module_clone() |
| { |
| path=$1 |
| url=$2 |
| reference="$3" |
| quiet= |
| if test -n "$GIT_QUIET" |
| then |
| quiet=-q |
| fi |
| |
| if test -n "$reference" |
| then |
| git-clone $quiet "$reference" -n "$url" "$path" |
| else |
| git-clone $quiet -n "$url" "$path" |
| fi || |
| die "Clone of '$url' into submodule path '$path' failed" |
| } |
| |
| # |
| # Add a new submodule to the working tree, .gitmodules and the index |
| # |
| # $@ = repo path |
| # |
| # optional branch is stored in global branch variable |
| # |
| cmd_add() |
| { |
| # parse $args after "submodule ... add". |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -b | --branch) |
| case "$2" in '') usage ;; esac |
| branch=$2 |
| shift |
| ;; |
| -f | --force) |
| force=$1 |
| ;; |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| --reference) |
| case "$2" in '') usage ;; esac |
| reference="--reference=$2" |
| shift |
| ;; |
| --reference=*) |
| reference="$1" |
| shift |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| shift |
| done |
| |
| repo=$1 |
| path=$2 |
| |
| if test -z "$path"; then |
| path=$(echo "$repo" | |
| sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g') |
| fi |
| |
| if test -z "$repo" -o -z "$path"; then |
| usage |
| fi |
| |
| # assure repo is absolute or relative to parent |
| case "$repo" in |
| ./*|../*) |
| # dereference source url relative to parent's url |
| realrepo=$(resolve_relative_url "$repo") || exit |
| ;; |
| *:*|/*) |
| # absolute url |
| realrepo=$repo |
| ;; |
| *) |
| die "repo URL: '$repo' must be absolute or begin with ./|../" |
| ;; |
| esac |
| |
| # normalize path: |
| # multiple //; leading ./; /./; /../; trailing / |
| path=$(printf '%s/\n' "$path" | |
| sed -e ' |
| s|//*|/|g |
| s|^\(\./\)*|| |
| s|/\./|/|g |
| :start |
| s|\([^/]*\)/\.\./|| |
| tstart |
| s|/*$|| |
| ') |
| git ls-files --error-unmatch "$path" > /dev/null 2>&1 && |
| die "'$path' already exists in the index" |
| |
| if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1 |
| then |
| echo >&2 "The following path is ignored by one of your .gitignore files:" && |
| echo >&2 $path && |
| echo >&2 "Use -f if you really want to add it." |
| exit 1 |
| fi |
| |
| # perhaps the path exists and is already a git repo, else clone it |
| if test -e "$path" |
| then |
| if test -d "$path"/.git -o -f "$path"/.git |
| then |
| echo "Adding existing repo at '$path' to the index" |
| else |
| die "'$path' already exists and is not a valid git repo" |
| fi |
| |
| else |
| |
| module_clone "$path" "$realrepo" "$reference" || exit |
| ( |
| clear_local_git_env |
| cd "$path" && |
| # ash fails to wordsplit ${branch:+-b "$branch"...} |
| case "$branch" in |
| '') git checkout -f -q ;; |
| ?*) git checkout -f -q -B "$branch" "origin/$branch" ;; |
| esac |
| ) || die "Unable to checkout submodule '$path'" |
| fi |
| git config submodule."$path".url "$realrepo" |
| |
| git add $force "$path" || |
| die "Failed to add submodule '$path'" |
| |
| git config -f .gitmodules submodule."$path".path "$path" && |
| git config -f .gitmodules submodule."$path".url "$repo" && |
| git add --force .gitmodules || |
| die "Failed to register submodule '$path'" |
| } |
| |
| # |
| # Execute an arbitrary command sequence in each checked out |
| # submodule |
| # |
| # $@ = command to execute |
| # |
| cmd_foreach() |
| { |
| # parse $args after "submodule ... foreach". |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| --recursive) |
| recursive=1 |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| shift |
| done |
| |
| toplevel=$(pwd) |
| |
| # dup stdin so that it can be restored when running the external |
| # command in the subshell (and a recursive call to this function) |
| exec 3<&0 |
| |
| module_list | |
| while read mode sha1 stage path |
| do |
| if test -e "$path"/.git |
| then |
| say "Entering '$prefix$path'" |
| name=$(module_name "$path") |
| ( |
| prefix="$prefix$path/" |
| clear_local_git_env |
| cd "$path" && |
| eval "$@" && |
| if test -n "$recursive" |
| then |
| cmd_foreach "--recursive" "$@" |
| fi |
| ) <&3 3<&- || |
| die "Stopping at '$path'; script returned non-zero status." |
| fi |
| done |
| } |
| |
| # |
| # Register submodules in .git/config |
| # |
| # $@ = requested paths (default to all) |
| # |
| cmd_init() |
| { |
| # parse $args after "submodule ... init". |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| shift |
| done |
| |
| module_list "$@" | |
| while read mode sha1 stage path |
| do |
| # Skip already registered paths |
| name=$(module_name "$path") || exit |
| if test -z "$(git config "submodule.$name.url")" |
| then |
| url=$(git config -f .gitmodules submodule."$name".url) |
| test -z "$url" && |
| die "No url found for submodule path '$path' in .gitmodules" |
| |
| # Possibly a url relative to parent |
| case "$url" in |
| ./*|../*) |
| url=$(resolve_relative_url "$url") || exit |
| ;; |
| esac |
| git config submodule."$name".url "$url" || |
| die "Failed to register url for submodule path '$path'" |
| fi |
| |
| # Copy "update" setting when it is not set yet |
| upd="$(git config -f .gitmodules submodule."$name".update)" |
| test -z "$upd" || |
| test -n "$(git config submodule."$name".update)" || |
| git config submodule."$name".update "$upd" || |
| die "Failed to register update mode for submodule path '$path'" |
| |
| say "Submodule '$name' ($url) registered for path '$path'" |
| done |
| } |
| |
| # |
| # Update each submodule path to correct revision, using clone and checkout as needed |
| # |
| # $@ = requested paths (default to all) |
| # |
| cmd_update() |
| { |
| # parse $args after "submodule ... update". |
| orig_flags= |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| -i|--init) |
| init=1 |
| ;; |
| -N|--no-fetch) |
| nofetch=1 |
| ;; |
| -f|--force) |
| force=$1 |
| ;; |
| -r|--rebase) |
| update="rebase" |
| ;; |
| --reference) |
| case "$2" in '') usage ;; esac |
| reference="--reference=$2" |
| orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" |
| shift |
| ;; |
| --reference=*) |
| reference="$1" |
| ;; |
| -m|--merge) |
| update="merge" |
| ;; |
| --recursive) |
| recursive=1 |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" |
| shift |
| done |
| |
| if test -n "$init" |
| then |
| cmd_init "--" "$@" || return |
| fi |
| |
| cloned_modules= |
| module_list "$@" | |
| while read mode sha1 stage path |
| do |
| if test "$stage" = U |
| then |
| echo >&2 "Skipping unmerged submodule $path" |
| continue |
| fi |
| name=$(module_name "$path") || exit |
| url=$(git config submodule."$name".url) |
| update_module=$(git config submodule."$name".update) |
| if test -z "$url" |
| then |
| # Only mention uninitialized submodules when its |
| # path have been specified |
| test "$#" != "0" && |
| say "Submodule path '$path' not initialized" && |
| say "Maybe you want to use 'update --init'?" |
| continue |
| fi |
| |
| if ! test -d "$path"/.git -o -f "$path"/.git |
| then |
| module_clone "$path" "$url" "$reference"|| exit |
| cloned_modules="$cloned_modules;$name" |
| subsha1= |
| else |
| subsha1=$(clear_local_git_env; cd "$path" && |
| git rev-parse --verify HEAD) || |
| die "Unable to find current revision in submodule path '$path'" |
| fi |
| |
| if ! test -z "$update" |
| then |
| update_module=$update |
| fi |
| |
| if test "$subsha1" != "$sha1" |
| then |
| subforce=$force |
| # If we don't already have a -f flag and the submodule has never been checked out |
| if test -z "$subsha1" -a -z "$force" |
| then |
| subforce="-f" |
| fi |
| |
| if test -z "$nofetch" |
| then |
| # Run fetch only if $sha1 isn't present or it |
| # is not reachable from a ref. |
| (clear_local_git_env; cd "$path" && |
| ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) && |
| test -z "$rev") || git-fetch)) || |
| die "Unable to fetch in submodule path '$path'" |
| fi |
| |
| # Is this something we just cloned? |
| case ";$cloned_modules;" in |
| *";$name;"*) |
| # then there is no local change to integrate |
| update_module= ;; |
| esac |
| |
| case "$update_module" in |
| rebase) |
| command="git rebase" |
| action="rebase" |
| msg="rebased onto" |
| ;; |
| merge) |
| command="git merge" |
| action="merge" |
| msg="merged in" |
| ;; |
| *) |
| command="git checkout $subforce -q" |
| action="checkout" |
| msg="checked out" |
| ;; |
| esac |
| |
| (clear_local_git_env; cd "$path" && $command "$sha1") || |
| die "Unable to $action '$sha1' in submodule path '$path'" |
| say "Submodule path '$path': $msg '$sha1'" |
| fi |
| |
| if test -n "$recursive" |
| then |
| (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags") || |
| die "Failed to recurse into submodule path '$path'" |
| fi |
| done |
| } |
| |
| set_name_rev () { |
| revname=$( ( |
| clear_local_git_env |
| cd "$1" && { |
| git describe "$2" 2>/dev/null || |
| git describe --tags "$2" 2>/dev/null || |
| git describe --contains "$2" 2>/dev/null || |
| git describe --all --always "$2" |
| } |
| ) ) |
| test -z "$revname" || revname=" ($revname)" |
| } |
| # |
| # Show commit summary for submodules in index or working tree |
| # |
| # If '--cached' is given, show summary between index and given commit, |
| # or between working tree and given commit |
| # |
| # $@ = [commit (default 'HEAD'),] requested paths (default all) |
| # |
| cmd_summary() { |
| summary_limit=-1 |
| for_status= |
| diff_cmd=diff-index |
| |
| # parse $args after "submodule ... summary". |
| while test $# -ne 0 |
| do |
| case "$1" in |
| --cached) |
| cached="$1" |
| ;; |
| --files) |
| files="$1" |
| ;; |
| --for-status) |
| for_status="$1" |
| ;; |
| -n|--summary-limit) |
| if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2" |
| then |
| : |
| else |
| usage |
| fi |
| shift |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| shift |
| done |
| |
| test $summary_limit = 0 && return |
| |
| if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"}) |
| then |
| head=$rev |
| test $# = 0 || shift |
| elif test -z "$1" -o "$1" = "HEAD" |
| then |
| # before the first commit: compare with an empty tree |
| head=$(git hash-object -w -t tree --stdin </dev/null) |
| test -z "$1" || shift |
| else |
| head="HEAD" |
| fi |
| |
| if [ -n "$files" ] |
| then |
| test -n "$cached" && |
| die "--cached cannot be used with --files" |
| diff_cmd=diff-files |
| head= |
| fi |
| |
| cd_to_toplevel |
| # Get modified modules cared by user |
| modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" | |
| sane_egrep '^:([0-7]* )?160000' | |
| while read mod_src mod_dst sha1_src sha1_dst status name |
| do |
| # Always show modules deleted or type-changed (blob<->module) |
| test $status = D -o $status = T && echo "$name" && continue |
| # Also show added or modified modules which are checked out |
| GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 && |
| echo "$name" |
| done |
| ) |
| |
| test -z "$modules" && return |
| |
| git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules | |
| sane_egrep '^:([0-7]* )?160000' | |
| cut -c2- | |
| while read mod_src mod_dst sha1_src sha1_dst status name |
| do |
| if test -z "$cached" && |
| test $sha1_dst = 0000000000000000000000000000000000000000 |
| then |
| case "$mod_dst" in |
| 160000) |
| sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD) |
| ;; |
| 100644 | 100755 | 120000) |
| sha1_dst=$(git hash-object $name) |
| ;; |
| 000000) |
| ;; # removed |
| *) |
| # unexpected type |
| echo >&2 "unexpected mode $mod_dst" |
| continue ;; |
| esac |
| fi |
| missing_src= |
| missing_dst= |
| |
| test $mod_src = 160000 && |
| ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null && |
| missing_src=t |
| |
| test $mod_dst = 160000 && |
| ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null && |
| missing_dst=t |
| |
| total_commits= |
| case "$missing_src,$missing_dst" in |
| t,) |
| errmsg=" Warn: $name doesn't contain commit $sha1_src" |
| ;; |
| ,t) |
| errmsg=" Warn: $name doesn't contain commit $sha1_dst" |
| ;; |
| t,t) |
| errmsg=" Warn: $name doesn't contain commits $sha1_src and $sha1_dst" |
| ;; |
| *) |
| errmsg= |
| total_commits=$( |
| if test $mod_src = 160000 -a $mod_dst = 160000 |
| then |
| range="$sha1_src...$sha1_dst" |
| elif test $mod_src = 160000 |
| then |
| range=$sha1_src |
| else |
| range=$sha1_dst |
| fi |
| GIT_DIR="$name/.git" \ |
| git rev-list --first-parent $range -- | wc -l |
| ) |
| total_commits=" ($(($total_commits + 0)))" |
| ;; |
| esac |
| |
| sha1_abbr_src=$(echo $sha1_src | cut -c1-7) |
| sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7) |
| if test $status = T |
| then |
| if test $mod_dst = 160000 |
| then |
| echo "* $name $sha1_abbr_src(blob)->$sha1_abbr_dst(submodule)$total_commits:" |
| else |
| echo "* $name $sha1_abbr_src(submodule)->$sha1_abbr_dst(blob)$total_commits:" |
| fi |
| else |
| echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:" |
| fi |
| if test -n "$errmsg" |
| then |
| # Don't give error msg for modification whose dst is not submodule |
| # i.e. deleted or changed to blob |
| test $mod_dst = 160000 && echo "$errmsg" |
| else |
| if test $mod_src = 160000 -a $mod_dst = 160000 |
| then |
| limit= |
| test $summary_limit -gt 0 && limit="-$summary_limit" |
| GIT_DIR="$name/.git" \ |
| git log $limit --pretty='format: %m %s' \ |
| --first-parent $sha1_src...$sha1_dst |
| elif test $mod_dst = 160000 |
| then |
| GIT_DIR="$name/.git" \ |
| git log --pretty='format: > %s' -1 $sha1_dst |
| else |
| GIT_DIR="$name/.git" \ |
| git log --pretty='format: < %s' -1 $sha1_src |
| fi |
| echo |
| fi |
| echo |
| done | |
| if test -n "$for_status"; then |
| if [ -n "$files" ]; then |
| echo "# Submodules changed but not updated:" |
| else |
| echo "# Submodule changes to be committed:" |
| fi |
| echo "#" |
| sed -e 's|^|# |' -e 's|^# $|#|' |
| else |
| cat |
| fi |
| } |
| # |
| # List all submodules, prefixed with: |
| # - submodule not initialized |
| # + different revision checked out |
| # |
| # If --cached was specified the revision in the index will be printed |
| # instead of the currently checked out revision. |
| # |
| # $@ = requested paths (default to all) |
| # |
| cmd_status() |
| { |
| # parse $args after "submodule ... status". |
| orig_flags= |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| --cached) |
| cached=1 |
| ;; |
| --recursive) |
| recursive=1 |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" |
| shift |
| done |
| |
| module_list "$@" | |
| while read mode sha1 stage path |
| do |
| name=$(module_name "$path") || exit |
| url=$(git config submodule."$name".url) |
| displaypath="$prefix$path" |
| if test "$stage" = U |
| then |
| say "U$sha1 $displaypath" |
| continue |
| fi |
| if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git |
| then |
| say "-$sha1 $displaypath" |
| continue; |
| fi |
| set_name_rev "$path" "$sha1" |
| if git diff-files --ignore-submodules=dirty --quiet -- "$path" |
| then |
| say " $sha1 $displaypath$revname" |
| else |
| if test -z "$cached" |
| then |
| sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD) |
| set_name_rev "$path" "$sha1" |
| fi |
| say "+$sha1 $displaypath$revname" |
| fi |
| |
| if test -n "$recursive" |
| then |
| ( |
| prefix="$displaypath/" |
| clear_local_git_env |
| cd "$path" && |
| eval cmd_status "$orig_args" |
| ) || |
| die "Failed to recurse into submodule path '$path'" |
| fi |
| done |
| } |
| # |
| # Sync remote urls for submodules |
| # This makes the value for remote.$remote.url match the value |
| # specified in .gitmodules. |
| # |
| cmd_sync() |
| { |
| while test $# -ne 0 |
| do |
| case "$1" in |
| -q|--quiet) |
| GIT_QUIET=1 |
| shift |
| ;; |
| --) |
| shift |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| done |
| cd_to_toplevel |
| module_list "$@" | |
| while read mode sha1 stage path |
| do |
| name=$(module_name "$path") |
| url=$(git config -f .gitmodules --get submodule."$name".url) |
| |
| # Possibly a url relative to parent |
| case "$url" in |
| ./*|../*) |
| url=$(resolve_relative_url "$url") || exit |
| ;; |
| esac |
| |
| if git config "submodule.$name.url" >/dev/null 2>/dev/null |
| then |
| say "Synchronizing submodule url for '$name'" |
| git config submodule."$name".url "$url" |
| |
| if test -e "$path"/.git |
| then |
| ( |
| clear_local_git_env |
| cd "$path" |
| remote=$(get_default_remote) |
| git config remote."$remote".url "$url" |
| ) |
| fi |
| fi |
| done |
| } |
| |
| # This loop parses the command line arguments to find the |
| # subcommand name to dispatch. Parsing of the subcommand specific |
| # options are primarily done by the subcommand implementations. |
| # Subcommand specific options such as --branch and --cached are |
| # parsed here as well, for backward compatibility. |
| |
| while test $# != 0 && test -z "$command" |
| do |
| case "$1" in |
| add | foreach | init | update | status | summary | sync) |
| command=$1 |
| ;; |
| -q|--quiet) |
| GIT_QUIET=1 |
| ;; |
| -b|--branch) |
| case "$2" in |
| '') |
| usage |
| ;; |
| esac |
| branch="$2"; shift |
| ;; |
| --cached) |
| cached="$1" |
| ;; |
| --) |
| break |
| ;; |
| -*) |
| usage |
| ;; |
| *) |
| break |
| ;; |
| esac |
| shift |
| done |
| |
| # No command word defaults to "status" |
| test -n "$command" || command=status |
| |
| # "-b branch" is accepted only by "add" |
| if test -n "$branch" && test "$command" != add |
| then |
| usage |
| fi |
| |
| # "--cached" is accepted only by "status" and "summary" |
| if test -n "$cached" && test "$command" != status -a "$command" != summary |
| then |
| usage |
| fi |
| |
| "cmd_$command" "$@" |