diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 173 |
1 files changed, 117 insertions, 56 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index 664f21721c..d189a24c71 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -5,10 +5,10 @@ # Copyright (c) 2007 Lars Hjemli dashless=$(basename "$0" | sed -e 's/-/ /') -USAGE="[--quiet] add [-b branch] [--reference <repository>] [--] <repository> [<path>] +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] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<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: $dashless [--quiet] sync [--] [<path>...]" @@ -19,8 +19,11 @@ require_work_tree command= branch= +force= reference= cached= +recursive= +init= files= nofetch= update= @@ -34,12 +37,24 @@ resolve_relative_url () die "remote ($remote) does not have a url defined in .git/config" url="$1" remoteurl=${remoteurl%/} + sep=/ while test -n "$url" do case "$url" in ../*) url="${url#../}" - remoteurl="${remoteurl%/*}" + case "$remoteurl" in + */*) + remoteurl="${remoteurl%/*}" + ;; + *:*) + remoteurl="${remoteurl%:*}" + sep=: + ;; + *) + die "cannot strip one component off url '$remoteurl'" + ;; + esac ;; ./*) url="${url#./}" @@ -48,7 +63,7 @@ resolve_relative_url () break;; esac done - echo "$remoteurl/${url%/}" + echo "$remoteurl$sep${url%/}" } # @@ -57,7 +72,24 @@ resolve_relative_url () # module_list() { - git ls-files --error-unmatch --stage -- "$@" | sane_grep '^160000 ' + git ls-files --error-unmatch --stage -- "$@" | + 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"; + } + ' } # @@ -90,20 +122,6 @@ module_clone() url=$2 reference="$3" - # If there already is a directory at the submodule path, - # expect it to be empty (since that is the default checkout - # action) and try to remove it. - # Note: if $path is a symlink to a directory the test will - # succeed but the rmdir will fail. We might want to fix this. - if test -d "$path" - then - rmdir "$path" 2>/dev/null || - die "Directory '$path' exists, but is neither empty nor a git repository" - fi - - test -e "$path" && - die "A file already exist at path '$path'" - if test -n "$reference" then git-clone "$reference" -n "$url" "$path" @@ -131,6 +149,9 @@ cmd_add() branch=$2 shift ;; + -f | --force) + force=$1 + ;; -q|--quiet) GIT_QUIET=1 ;; @@ -199,6 +220,14 @@ cmd_add() git ls-files --error-unmatch "$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 @@ -222,22 +251,22 @@ cmd_add() module_clone "$path" "$realrepo" "$reference" || exit ( - unset GIT_DIR + clear_local_git_env cd "$path" && # ash fails to wordsplit ${branch:+-b "$branch"...} case "$branch" in '') git checkout -f -q ;; - ?*) git checkout -f -q -b "$branch" "origin/$branch" ;; + ?*) git checkout -f -q -B "$branch" "origin/$branch" ;; esac ) || die "Unable to checkout submodule '$path'" fi - git add "$path" || + 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 "$repo" && - git add .gitmodules || + git add --force .gitmodules || die "Failed to register submodule '$path'" } @@ -269,6 +298,8 @@ cmd_foreach() shift done + toplevel=$(pwd) + module_list | while read mode sha1 stage path do @@ -278,7 +309,7 @@ cmd_foreach() name=$(module_name "$path") ( prefix="$prefix$path/" - unset GIT_DIR + clear_local_git_env cd "$path" && eval "$@" && if test -n "$recursive" @@ -358,41 +389,38 @@ cmd_init() cmd_update() { # parse $args after "submodule ... update". - orig_args="$@" + orig_flags= while test $# -ne 0 do case "$1" in -q|--quiet) - shift GIT_QUIET=1 ;; -i|--init) init=1 - shift ;; -N|--no-fetch) - shift nofetch=1 ;; + -f|--force) + force=$1 + ;; -r|--rebase) - shift update="rebase" ;; --reference) case "$2" in '') usage ;; esac reference="--reference=$2" - shift 2 + orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" + shift ;; --reference=*) reference="$1" - shift ;; -m|--merge) - shift update="merge" ;; --recursive) - shift recursive=1 ;; --) @@ -406,6 +434,8 @@ cmd_update() break ;; esac + orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" + shift done if test -n "$init" @@ -413,9 +443,15 @@ cmd_update() 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."$name".update) @@ -432,9 +468,10 @@ cmd_update() if ! test -d "$path"/.git -o -f "$path"/.git then module_clone "$path" "$url" "$reference"|| exit + cloned_modules="$cloned_modules;$name" subsha1= else - subsha1=$(unset GIT_DIR; cd "$path" && + subsha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD) || die "Unable to find current revision in submodule path '$path'" fi @@ -446,19 +483,30 @@ cmd_update() if test "$subsha1" != "$sha1" then - force= - if test -z "$subsha1" + 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 "$force" then - force="-f" + subforce="-f" fi if test -z "$nofetch" then - (unset GIT_DIR; cd "$path" && - git-fetch) || + # 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" @@ -471,20 +519,20 @@ cmd_update() msg="merged in" ;; *) - command="git checkout $force -q" + command="git checkout $subforce -q" action="checkout" msg="checked out" ;; esac - (unset GIT_DIR; cd "$path" && $command "$sha1") || + (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 "$recursive" then - (unset GIT_DIR; cd "$path" && cmd_update $orig_args) || + (clear_local_git_env; cd "$path" && eval cmd_update "$orig_flags") || die "Failed to recurse into submodule path '$path'" fi done @@ -492,7 +540,7 @@ cmd_update() set_name_rev () { revname=$( ( - unset GIT_DIR + clear_local_git_env cd "$1" && { git describe "$2" 2>/dev/null || git describe --tags "$2" 2>/dev/null || @@ -553,12 +601,17 @@ cmd_summary() { test $summary_limit = 0 && return - if rev=$(git rev-parse -q --verify "$1^0") + if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"}) then head=$rev - shift + 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 "$1" || shift else - head=HEAD + head="HEAD" fi if [ -n "$files" ] @@ -571,7 +624,7 @@ cmd_summary() { cd_to_toplevel # Get modified modules cared by user - modules=$(git $diff_cmd $cached --raw $head -- "$@" | + 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 @@ -585,7 +638,7 @@ cmd_summary() { test -z "$modules" && return - git $diff_cmd $cached --raw $head -- $modules | + git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules | sane_egrep '^:([0-7]* )?160000' | cut -c2- | while read mod_src mod_dst sha1_src sha1_dst status name @@ -643,7 +696,7 @@ cmd_summary() { range=$sha1_dst fi GIT_DIR="$name/.git" \ - git log --pretty=oneline --first-parent $range | wc -l + git rev-list --first-parent $range -- | wc -l ) total_commits=" ($(($total_commits + 0)))" ;; @@ -712,7 +765,7 @@ cmd_summary() { cmd_status() { # parse $args after "submodule ... status". - orig_args="$@" + orig_flags= while test $# -ne 0 do case "$1" in @@ -736,6 +789,7 @@ cmd_status() break ;; esac + orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" shift done @@ -745,19 +799,24 @@ cmd_status() name=$(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" "$sha1" - if git diff-files --quiet -- "$path" + if git diff-files --ignore-submodules=dirty --quiet -- "$path" then say " $sha1 $displaypath$revname" else if test -z "$cached" then - sha1=$(unset GIT_DIR; cd "$path" && git rev-parse --verify HEAD) + sha1=$(clear_local_git_env; cd "$path" && git rev-parse --verify HEAD) set_name_rev "$path" "$sha1" fi say "+$sha1 $displaypath$revname" @@ -767,9 +826,9 @@ cmd_status() then ( prefix="$displaypath/" - unset GIT_DIR + clear_local_git_env cd "$path" && - cmd_status $orig_args + eval cmd_status "$orig_args" ) || die "Failed to recurse into submodule path '$path'" fi @@ -815,13 +874,15 @@ cmd_sync() ;; esac + say "Synchronizing submodule url for '$name'" + git config submodule."$name".url "$url" + if test -e "$path"/.git then ( - unset GIT_DIR + clear_local_git_env cd "$path" remote=$(get_default_remote) - say "Synchronizing submodule url for '$name'" git config remote."$remote".url "$url" ) fi |