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- #!/bin/sh
- # Script to add some local git customizations suitable for working
- # with the GCC git repository
- ask () {
- question=$1
- default=$2
- var=$3
- printf "%s [%s]? " "$question" "$default"
- read answer
- if [ "x$answer" = "x" ]
- then
- eval $var=\$default
- else
- eval $var=\$answer
- fi
- }
- # Add a git command to find the git commit equivalent to legacy SVN revision NNN
- git config alias.svn-rev '!f() { rev=$1; shift; git log --all --grep="^From-SVN: r\\?$rev\\b" "${@}"; } ; f'
- # Add git commands to convert git commit to monotonically increasing revision number
- # and vice versa
- git config alias.gcc-descr '!f() { "`git rev-parse --show-toplevel`/contrib/git-descr.sh" $@; } ; f'
- git config alias.gcc-undescr '!f() { "`git rev-parse --show-toplevel`/contrib/git-undescr.sh" $@; } ; f'
- git config alias.gcc-verify '!f() { "`git rev-parse --show-toplevel`/contrib/gcc-changelog/git_check_commit.py" $@; } ; f'
- git config alias.gcc-backport '!f() { "`git rev-parse --show-toplevel`/contrib/git-backport.py" $@; } ; f'
- git config alias.gcc-fix-changelog '!f() { "`git rev-parse --show-toplevel`/contrib/git-fix-changelog.py" $@; } ; f'
- git config alias.gcc-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/mklog.py" $@; } ; f'
- git config alias.gcc-commit-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/git-commit-mklog.py" "$@"; }; f'
- # Make diff on MD files use "(define" as a function marker.
- # Use this in conjunction with a .gitattributes file containing
- # *.md diff=md
- git config diff.md.xfuncname '^\(define.*$'
- # Tell git send-email where patches go.
- # ??? Maybe also set sendemail.tocmd to guess from MAINTAINERS?
- git config sendemail.to 'gcc-patches@gcc.gnu.org'
- set_user=$(git config --get "user.name")
- set_email=$(git config --get "user.email")
- if [ "x$set_user" = "x" ]
- then
- # Try to guess the user's name by looking it up in the password file
- new_user=$(getent passwd $(whoami) | awk -F: '{ print $5 }')
- if [ "x$new_user" = "x" ]
- then
- new_user="(no default)"
- fi
- else
- new_user=$set_user
- fi
- ask "Your name" "${new_user}" new_user
- if [ "x$new_user" = "x(no default)" ]
- then
- echo "Cannot continue, git needs to record your name against commits"
- exit 1
- fi
- if [ "x$set_email" = "x" ]
- then
- new_email="(no_default)"
- else
- new_email=$set_email
- fi
- ask "Your email address (for git commits)" "${new_email}" new_email
- if [ "x$new_email" = "x(no default)" ]
- then
- echo "Cannot continue, git needs to record your email address against commits"
- exit 1
- fi
- if [ "x$set_user" != "x$new_user" ]
- then
- git config "user.name" "$new_user"
- fi
- if [ "x$set_email" != "x$new_email" ]
- then
- git config "user.email" "$new_email"
- fi
- upstream=$(git config --get "gcc-config.upstream")
- if [ "x$upstream" = "x" ]
- then
- upstream="origin"
- fi
- ask "Local name for upstream repository" "origin" upstream
- v=$(git config --get-all "remote.${upstream}.fetch")
- if [ "x$v" = "x" ]
- then
- echo "Remote $upstream does not seem to exist as a remote"
- exit 1
- fi
- git config "gcc-config.upstream" "$upstream"
- remote_id=$(git config --get "gcc-config.user")
- if [ "x$remote_id" = "x" ]
- then
- # See if the url specifies the remote user name.
- url=$(git config --get "remote.$upstream.url")
- if [ "x$url" = "x" ]
- then
- # This is a pure guess, but for many people it might be OK.
- remote_id=$(whoami)
- else
- remote_id=$(echo $url | sed 's|^.*ssh://\(..*\)@gcc.gnu.org.*$|\1|')
- if [ x$remote_id = x$url ]
- then
- remote_id=$(whoami)
- fi
- fi
- fi
- ask "Account name on gcc.gnu.org (for your personal branches area)" "$remote_id" remote_id
- git config "gcc-config.user" "$remote_id"
- old_pfx=$(git config --get "gcc-config.userpfx")
- if [ "x$old_pfx" = "x" ]
- then
- old_pfx="me"
- fi
- echo
- echo "Local branch prefix for personal branches you want to share"
- echo "(local branches starting <prefix>/ can be pushed directly to your"
- ask "personal area on the gcc server)" $old_pfx new_pfx
- git config "gcc-config.userpfx" "$new_pfx"
- echo
- ask "Install prepare-commit-msg git hook for 'git commit-mklog' alias" yes dohook
- if [ "x$dohook" = xyes ]; then
- hookdir=`git rev-parse --git-path hooks 2>/dev/null`
- if [ $? -eq 0 ]; then
- if [ -f "$hookdir/prepare-commit-msg" ]; then
- echo " Moving existing prepare-commit-msg hook to prepare-commit-msg.bak"
- mv "$hookdir/prepare-commit-msg" "$hookdir/prepare-commit-msg.bak"
- fi
- install -c "`git rev-parse --show-toplevel`/contrib/prepare-commit-msg" "$hookdir"
- else
- echo " `git --version` is too old, cannot find hooks dir"
- fi
- fi
- # Scan the existing settings to see if there are any we need to rewrite.
- vendors=$(git config --get-all "remote.${upstream}.fetch" "refs/vendors/" | sed 's:.*refs/vendors/\([^/][^/]*\)/.*:\1:' | sort | uniq)
- url=$(git config --get "remote.${upstream}.url")
- pushurl=$(git config --get "remote.${upstream}.pushurl")
- for v in $vendors
- do
- echo "Migrating vendor \"$v\" to new remote \"vendors/$v\""
- git config --unset-all "remote.${upstream}.fetch" "refs/vendors/$v/"
- git config --unset-all "remote.${upstream}.push" "refs/vendors/$v/"
- git config "remote.vendors/${v}.url" "${url}"
- if [ "x$pushurl" != "x" ]
- then
- git config "remote.vendors/${v}.pushurl" "${pushurl}"
- fi
- git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/heads/*:refs/remotes/vendors/${v}/*"
- git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/tags/*:refs/tags/vendors/${v}/*"
- done
- # Convert the remote 'pfx' to users/pfx to avoid problems with ambiguous refs
- # on user branches
- old_remote=$(git config --get "remote.${old_pfx}.url")
- if [ -n "${old_remote}" ]
- then
- echo "Migrating remote \"${old_pfx}\" to new remote \"users/${new_pfx}\""
- # Create a dummy fetch rule that will cause the subsequent prune to remove the old remote refs.
- git config --replace-all "remote.${old_pfx}.fetch" "+refs/empty/*:refs/remotes/${old_pfx}/*"
- # Remove any remotes
- git remote prune ${old_pfx}
- git config --remove-section "remote.${old_pfx}"
- for br in $(git branch --list "${old_pfx}/*")
- do
- old_remote=$(git config --get "branch.${br}.remote")
- if [ "${old_remote}" = "${old_pfx}" ]
- then
- git config "branch.${br}.remote" "users/${new_pfx}"
- fi
- done
- fi
- echo "Setting up tracking for personal namespace $remote_id in remotes/users/${new_pfx}"
- git config "remote.users/${new_pfx}.url" "${url}"
- if [ "x$pushurl" != "x" ]
- then
- git config "remote.users/${new_pfx}.pushurl" "${pushurl}"
- fi
- git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/users/${new_pfx}/*" "refs/users/${remote_id}/heads/"
- git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/users/${new_pfx}/*" "refs/users/${remote_id}/tags/"
- git config --replace-all "remote.users/${new_pfx}.push" "refs/heads/${new_pfx}/*:refs/users/${remote_id}/heads/*" "refs/users/${remote_id}"
- if [ "$old_pfx" != "$new_pfx" -a "$old_pfx" != "${upstream}" ]
- then
- git config --remove-section "remote.${old_pfx}"
- fi
- git config --unset-all "remote.${upstream}.fetch" "refs/users/${remote_id}/"
- git config --unset-all "remote.${upstream}.push" "refs/users/${remote_id}/"
- git fetch "users/${new_pfx}"
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