diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 116 |
1 files changed, 79 insertions, 37 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index ec6178e..20c9bec 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -8,7 +8,7 @@ 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] [--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: $dashless [--quiet] sync [--] [<path>...]" @@ -37,12 +37,24 @@ resolve_relative_url () die "remote ($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="${url#./}" @@ -51,7 +63,7 @@ resolve_relative_url () break;; esac done - echo "$remoteurl/${url%/}" + echo "$remoteurl$sep${url%/}" } # @@ -60,7 +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"; + } + ' } # @@ -93,20 +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" @@ -240,7 +255,7 @@ cmd_add() # 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 @@ -285,6 +300,10 @@ cmd_foreach() toplevel=$(pwd) + # dup stdin so that it can be restored when running the external + # command in the subshell (and a recursive call to this function) + exec 3<&0 + module_list | while read mode sha1 stage path do @@ -301,7 +320,7 @@ cmd_foreach() then cmd_foreach "--recursive" "$@" fi - ) || + ) <&3 3<&- || die "Stopping at '$path'; script returned non-zero status." fi done @@ -375,41 +394,38 @@ 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="$1" - shift ;; -m|--merge) - shift update="merge" ;; --recursive) - shift recursive=1 ;; --) @@ -423,6 +439,8 @@ cmd_update() break ;; esac + orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" + shift done if test -n "$init" @@ -430,9 +448,15 @@ 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."$name".update) @@ -449,6 +473,7 @@ cmd_update() if ! test -d "$path"/.git -o -f "$path"/.git then module_clone "$path" "$url" "$reference"|| exit + cloned_modules="$cloned_modules;$name" subsha1= else subsha1=$(clear_local_git_env; cd "$path" && @@ -463,19 +488,30 @@ 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 + # Run fetch only if $sha1 isn't present or it + # is not reachable from a ref. (clear_local_git_env; cd "$path" && - git-fetch) || + ( (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" @@ -488,7 +524,7 @@ cmd_update() msg="merged in" ;; *) - command="git checkout $force -q" + command="git checkout $subforce -q" action="checkout" msg="checked out" ;; @@ -501,7 +537,7 @@ cmd_update() if test -n "$recursive" then - (clear_local_git_env; 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 @@ -734,7 +770,7 @@ cmd_summary() { cmd_status() { # parse $args after "submodule ... status". - orig_args="$@" + orig_flags= while test $# -ne 0 do case "$1" in @@ -758,6 +794,7 @@ cmd_status() break ;; esac + orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" shift done @@ -767,6 +804,11 @@ cmd_status() name=$(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 $displaypath" @@ -791,7 +833,7 @@ cmd_status() prefix="$displaypath/" clear_local_git_env cd "$path" && - cmd_status $orig_args + eval cmd_status "$orig_args" ) || die "Failed to recurse into submodule path '$path'" fi |