diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 194 |
1 files changed, 167 insertions, 27 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index e89b516039..22ec5b63b4 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -5,13 +5,13 @@ # Copyright (c) 2007 Lars Hjemli dashless=$(basename "$0" | sed -e 's/-/ /') -USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>] +USAGE="[--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--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] update [--init] [--remote] [-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>...]" + or: $dashless [--quiet] sync [--recursive] [--] [<path>...]" OPTIONS_SPEC= . git-sh-setup . git-sh-i18n @@ -26,11 +26,28 @@ cached= recursive= init= files= +remote= nofetch= update= prefix= +custom_name= -# Resolve relative url by appending to parent's url +# The function takes at most 2 arguments. The first argument is the +# URL that navigates to the submodule origin repo. When relative, this URL +# is relative to the superproject origin URL repo. The second up_path +# argument, if specified, is the relative path that navigates +# from the submodule working tree to the superproject working tree. +# +# The output of the function is the origin URL of the submodule. +# +# The output will either be an absolute URL or filesystem path (if the +# superproject origin URL is an absolute URL or filesystem path, +# respectively) or a relative file system path (if the superproject +# origin URL is a relative file system path). +# +# When the output is a relative file system path, the path is either +# relative to the submodule working tree, if up_path is specified, or to +# the superproject working tree otherwise. resolve_relative_url () { remote=$(get_default_remote) @@ -39,6 +56,21 @@ resolve_relative_url () url="$1" remoteurl=${remoteurl%/} sep=/ + up_path="$2" + + case "$remoteurl" in + *:*|/*) + is_relative= + ;; + ./*|../*) + is_relative=t + ;; + *) + is_relative=t + remoteurl="./$remoteurl" + ;; + esac + while test -n "$url" do case "$url" in @@ -53,7 +85,12 @@ resolve_relative_url () sep=: ;; *) - die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")" + if test -z "$is_relative" || test "." = "$remoteurl" + then + die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")" + else + remoteurl=. + fi ;; esac ;; @@ -64,7 +101,8 @@ resolve_relative_url () break;; esac done - echo "$remoteurl$sep${url%/}" + remoteurl="$remoteurl$sep${url%/}" + echo "${is_relative:+${up_path}}${remoteurl#./}" } # @@ -116,6 +154,32 @@ die_if_unmatched () } # +# Print a submodule configuration setting +# +# $1 = submodule name +# $2 = option name +# $3 = default value +# +# Checks in the usual git-config places first (for overrides), +# otherwise it falls back on .gitmodules. This allows you to +# distribute project-wide defaults in .gitmodules, while still +# customizing individual repositories if necessary. If the option is +# not in .gitmodules either, print a default value. +# +get_submodule_config () { + name="$1" + option="$2" + default="$3" + value=$(git config submodule."$name"."$option") + if test -z "$value" + then + value=$(git config -f .gitmodules submodule."$name"."$option") + fi + printf '%s' "${value:-$default}" +} + + +# # Map submodule path to submodule name # # $1 = path @@ -143,8 +207,9 @@ module_name() module_clone() { sm_path=$1 - url=$2 - reference="$3" + name=$2 + url=$3 + reference="$4" quiet= if test -n "$GIT_QUIET" then @@ -153,8 +218,6 @@ module_clone() gitdir= gitdir_base= - name=$(module_name "$sm_path" 2>/dev/null) - test -n "$name" || name="$sm_path" base_name=$(dirname "$name") gitdir=$(git rev-parse --git-dir) @@ -167,8 +230,11 @@ module_clone() rm -f "$gitdir/index" else mkdir -p "$gitdir_base" - git clone $quiet -n ${reference:+"$reference"} \ - --separate-git-dir "$gitdir" "$url" "$sm_path" || + ( + clear_local_git_env + git clone $quiet -n ${reference:+"$reference"} \ + --separate-git-dir "$gitdir" "$url" "$sm_path" + ) || die "$(eval_gettext "Clone of '\$url' into submodule path '\$sm_path' failed")" fi @@ -231,6 +297,10 @@ cmd_add() ;; --reference=*) reference="$1" + ;; + --name) + case "$2" in '') usage ;; esac + custom_name=$2 shift ;; --) @@ -297,6 +367,13 @@ Use -f if you really want to add it." >&2 exit 1 fi + if test -n "$custom_name" + then + sm_name="$custom_name" + else + sm_name="$sm_path" + fi + # perhaps the path exists and is already a git repo, else clone it if test -e "$sm_path" then @@ -308,8 +385,21 @@ Use -f if you really want to add it." >&2 fi else - - module_clone "$sm_path" "$realrepo" "$reference" || exit + if test -d ".git/modules/$sm_name" + then + if test -z "$force" + then + echo >&2 "$(eval_gettext "A git directory for '\$sm_name' is found locally with remote(s):")" + GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2 + echo >&2 "$(eval_gettext "If you want to reuse this local git directory instead of cloning again from")" + echo >&2 " $realrepo" + echo >&2 "$(eval_gettext "use the '--force' option. If the local git directory is not the correct repo")" + die "$(eval_gettext "or you are unsure what this means choose another name with the '--name' option.")" + else + echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")" + fi + fi + module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" || exit ( clear_local_git_env cd "$sm_path" && @@ -320,13 +410,17 @@ Use -f if you really want to add it." >&2 esac ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")" fi - git config submodule."$sm_path".url "$realrepo" + git config submodule."$sm_name".url "$realrepo" git add $force "$sm_path" || die "$(eval_gettext "Failed to add submodule '\$sm_path'")" - git config -f .gitmodules submodule."$sm_path".path "$sm_path" && - git config -f .gitmodules submodule."$sm_path".url "$repo" && + git config -f .gitmodules submodule."$sm_name".path "$sm_path" && + git config -f .gitmodules submodule."$sm_name".url "$repo" && + if test -n "$branch" + then + git config -f .gitmodules submodule."$sm_name".branch "$branch" + fi && git add --force .gitmodules || die "$(eval_gettext "Failed to register submodule '\$sm_path'")" } @@ -470,6 +564,9 @@ cmd_update() -i|--init) init=1 ;; + --remote) + remote=1 + ;; -N|--no-fetch) nofetch=1 ;; @@ -530,6 +627,7 @@ cmd_update() fi name=$(module_name "$sm_path") || exit url=$(git config submodule."$name".url) + branch=$(get_submodule_config "$name" branch master) if ! test -z "$update" then update_module=$update @@ -555,7 +653,7 @@ Maybe you want to use 'update --init'?")" if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git then - module_clone "$sm_path" "$url" "$reference"|| exit + module_clone "$sm_path" "$name" "$url" "$reference" || exit cloned_modules="$cloned_modules;$name" subsha1= else @@ -564,6 +662,20 @@ Maybe you want to use 'update --init'?")" die "$(eval_gettext "Unable to find current revision in submodule path '\$sm_path'")" fi + if test -n "$remote" + then + if test -z "$nofetch" + then + # Fetch remote before determining tracking $sha1 + (clear_local_git_env; cd "$sm_path" && git-fetch) || + die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")" + fi + remote_name=$(clear_local_git_env; cd "$sm_path" && get_default_remote) + sha1=$(clear_local_git_env; cd "$sm_path" && + git rev-parse --verify "${remote_name}/${branch}") || + die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")" + fi + if test "$subsha1" != "$sha1" -o -n "$force" then subforce=$force @@ -737,7 +849,7 @@ cmd_summary() { if [ -n "$files" ] then test -n "$cached" && - die "$(gettext -- "--cached cannot be used with --files")" + die "$(gettext "The --cached option cannot be used with the --files option")" diff_cmd=diff-files head= fi @@ -887,7 +999,6 @@ cmd_summary() { cmd_status() { # parse $args after "submodule ... status". - orig_flags= while test $# -ne 0 do case "$1" in @@ -911,7 +1022,6 @@ cmd_status() break ;; esac - orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")" shift done @@ -951,7 +1061,7 @@ cmd_status() prefix="$displaypath/" clear_local_git_env cd "$sm_path" && - eval cmd_status "$orig_args" + eval cmd_status ) || die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")" fi @@ -971,6 +1081,10 @@ cmd_sync() GIT_QUIET=1 shift ;; + --recursive) + recursive=1 + shift + ;; --) shift break @@ -994,14 +1108,26 @@ cmd_sync() # Possibly a url relative to parent case "$url" in ./*|../*) - url=$(resolve_relative_url "$url") || exit + # rewrite foo/bar as ../.. to find path from + # submodule work tree to superproject work tree + up_path="$(echo "$sm_path" | sed "s/[^/][^/]*/../g")" && + # guarantee a trailing / + up_path=${up_path%/}/ && + # path from submodule work tree to submodule origin repo + sub_origin_url=$(resolve_relative_url "$url" "$up_path") && + # path from superproject work tree to submodule origin repo + super_config_url=$(resolve_relative_url "$url") || exit + ;; + *) + sub_origin_url="$url" + super_config_url="$url" ;; esac if git config "submodule.$name.url" >/dev/null 2>/dev/null then - say "$(eval_gettext "Synchronizing submodule url for '\$name'")" - git config submodule."$name".url "$url" + say "$(eval_gettext "Synchronizing submodule url for '\$prefix\$sm_path'")" + git config submodule."$name".url "$super_config_url" if test -e "$sm_path"/.git then @@ -1009,7 +1135,13 @@ cmd_sync() clear_local_git_env cd "$sm_path" remote=$(get_default_remote) - git config remote."$remote".url "$url" + git config remote."$remote".url "$sub_origin_url" + + if test -n "$recursive" + then + prefix="$prefix$sm_path/" + eval cmd_sync + fi ) fi fi @@ -1056,7 +1188,15 @@ do done # No command word defaults to "status" -test -n "$command" || command=status +if test -z "$command" +then + if test $# = 0 + then + command=status + else + usage + fi +fi # "-b branch" is accepted only by "add" if test -n "$branch" && test "$command" != add |