gcc-git-customization.sh revision 1.1.1.2
1#!/bin/sh 2 3# Script to add some local git customizations suitable for working 4# with the GCC git repository 5 6ask () { 7 question=$1 8 default=$2 9 var=$3 10 echo -n $question "["$default"]? " 11 read answer 12 if [ "x$answer" = "x" ] 13 then 14 eval $var=\$default 15 else 16 eval $var=\$answer 17 fi 18} 19 20# Add a git command to find the git commit equivalent to legacy SVN revision NNN 21git config alias.svn-rev '!f() { rev=$1; shift; git log --all --grep="^From-SVN: r\\?$rev\\b" "${@}"; } ; f' 22 23# Add git commands to convert git commit to monotonically increasing revision number 24# and vice versa 25git config alias.gcc-descr '!f() { "`git rev-parse --show-toplevel`/contrib/git-descr.sh" $@; } ; f' 26git config alias.gcc-undescr '!f() { "`git rev-parse --show-toplevel`/contrib/git-undescr.sh" $@; } ; f' 27 28git config alias.gcc-verify '!f() { "`git rev-parse --show-toplevel`/contrib/gcc-changelog/git_check_commit.py" $@; } ; f' 29git config alias.gcc-backport '!f() { "`git rev-parse --show-toplevel`/contrib/git-backport.py" $@; } ; f' 30git config alias.gcc-fix-changelog '!f() { "`git rev-parse --show-toplevel`/contrib/git-fix-changelog.py" $@; } ; f' 31git config alias.gcc-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/mklog.py" $@; } ; f' 32git config alias.gcc-commit-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/git-commit-mklog.py" "$@"; }; f' 33 34# Make diff on MD files use "(define" as a function marker. 35# Use this in conjunction with a .gitattributes file containing 36# *.md diff=md 37git config diff.md.xfuncname '^\(define.*$' 38 39# Tell git send-email where patches go. 40# ??? Maybe also set sendemail.tocmd to guess from MAINTAINERS? 41git config sendemail.to 'gcc-patches@gcc.gnu.org' 42 43set_user=$(git config --get "user.name") 44set_email=$(git config --get "user.email") 45 46if [ "x$set_user" = "x" ] 47then 48 # Try to guess the user's name by looking it up in the password file 49 new_user=$(getent passwd $(whoami) | awk -F: '{ print $5 }') 50 if [ "x$new_user" = "x" ] 51 then 52 new_user="(no default)" 53 fi 54else 55 new_user=$set_user 56fi 57ask "Your name" "${new_user}" new_user 58if [ "x$new_user" = "x(no default)" ] 59then 60 echo "Cannot continue, git needs to record your name against commits" 61 exit 1 62fi 63 64if [ "x$set_email" = "x" ] 65then 66 new_email="(no_default)" 67else 68 new_email=$set_email 69fi 70 71ask "Your email address (for git commits)" "${new_email}" new_email 72if [ "x$new_email" = "x(no default)" ] 73then 74 echo "Cannot continue, git needs to record your email address against commits" 75 exit 1 76fi 77 78if [ "x$set_user" != "x$new_user" ] 79then 80 git config "user.name" "$new_user" 81fi 82 83if [ "x$set_email" != "x$new_email" ] 84then 85 git config "user.email" "$new_email" 86fi 87 88upstream=$(git config --get "gcc-config.upstream") 89if [ "x$upstream" = "x" ] 90then 91 upstream="origin" 92fi 93ask "Local name for upstream repository" "origin" upstream 94 95v=$(git config --get-all "remote.${upstream}.fetch") 96if [ "x$v" = "x" ] 97then 98 echo "Remote $upstream does not seem to exist as a remote" 99 exit 1 100fi 101git config "gcc-config.upstream" "$upstream" 102 103remote_id=$(git config --get "gcc-config.user") 104if [ "x$remote_id" = "x" ] 105then 106 # See if the url specifies the remote user name. 107 url=$(git config --get "remote.$upstream.url") 108 if [ "x$url" = "x" ] 109 then 110 # This is a pure guess, but for many people it might be OK. 111 remote_id=$(whoami) 112 else 113 remote_id=$(echo $url | sed -r "s|^.*ssh://(.+)@gcc.gnu.org.*$|\1|") 114 if [ x$remote_id = x$url ] 115 then 116 remote_id=$(whoami) 117 fi 118 fi 119fi 120 121ask "Account name on gcc.gnu.org (for your personal branches area)" $remote_id remote_id 122git config "gcc-config.user" "$remote_id" 123 124old_pfx=$(git config --get "gcc-config.userpfx") 125if [ "x$old_pfx" = "x" ] 126then 127 old_pfx="me" 128fi 129echo 130echo "Local branch prefix for personal branches you want to share" 131echo "(local branches starting <prefix>/ can be pushed directly to your" 132ask "personal area on the gcc server)" $old_pfx new_pfx 133git config "gcc-config.userpfx" "$new_pfx" 134 135echo 136ask "Install prepare-commit-msg git hook for 'git commit-mklog' alias" yes dohook 137if [ "x$dohook" = xyes ]; then 138 hookdir=`git rev-parse --git-path hooks` 139 if [ -f "$hookdir/prepare-commit-msg" ]; then 140 echo " Moving existing prepare-commit-msg hook to prepare-commit-msg.bak" 141 mv "$hookdir/prepare-commit-msg" "$hookdir/prepare-commit-msg.bak" 142 fi 143 install -c "`git rev-parse --show-toplevel`/contrib/prepare-commit-msg" "$hookdir" 144fi 145 146# Scan the existing settings to see if there are any we need to rewrite. 147vendors=$(git config --get-all "remote.${upstream}.fetch" "refs/vendors/" | sed -r "s:.*refs/vendors/([^/]+)/.*:\1:" | sort | uniq) 148url=$(git config --get "remote.${upstream}.url") 149pushurl=$(git config --get "remote.${upstream}.pushurl") 150for v in $vendors 151do 152 echo "Migrating vendor \"$v\" to new remote \"vendors/$v\"" 153 git config --unset-all "remote.${upstream}.fetch" "refs/vendors/$v/" 154 git config --unset-all "remote.${upstream}.push" "refs/vendors/$v/" 155 git config "remote.vendors/${v}.url" "${url}" 156 if [ "x$pushurl" != "x" ] 157 then 158 git config "remote.vendors/${v}.pushurl" "${pushurl}" 159 fi 160 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/heads/*:refs/remotes/vendors/${v}/*" 161 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/tags/*:refs/tags/vendors/${v}/*" 162done 163 164# Convert the remote 'pfx' to users/pfx to avoid problems with ambiguous refs 165# on user branches 166old_remote=$(git config --get "remote.${old_pfx}.url") 167if [ -n "${old_remote}" ] 168then 169 echo "Migrating remote \"${old_pfx}\" to new remote \"users/${new_pfx}\"" 170 # Create a dummy fetch rule that will cause the subsequent prune to remove the old remote refs. 171 git config --replace-all "remote.${old_pfx}.fetch" "+refs/empty/*:refs/remotes/${old_pfx}/*" 172 # Remove any remotes 173 git remote prune ${old_pfx} 174 git config --remove-section "remote.${old_pfx}" 175 for br in $(git branch --list "${old_pfx}/*") 176 do 177 old_remote=$(git config --get "branch.${br}.remote") 178 if [ "${old_remote}" = "${old_pfx}" ] 179 then 180 git config "branch.${br}.remote" "users/${new_pfx}" 181 fi 182 done 183fi 184 185echo "Setting up tracking for personal namespace $remote_id in remotes/users/${new_pfx}" 186git config "remote.users/${new_pfx}.url" "${url}" 187if [ "x$pushurl" != "x" ] 188then 189 git config "remote.users/${new_pfx}.pushurl" "${pushurl}" 190fi 191git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/users/${new_pfx}/*" "refs/users/${remote_id}/heads/" 192git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/users/${new_pfx}/*" "refs/users/${remote_id}/tags/" 193git config --replace-all "remote.users/${new_pfx}.push" "refs/heads/${new_pfx}/*:refs/users/${remote_id}/heads/*" "refs/users/${remote_id}" 194 195if [ "$old_pfx" != "$new_pfx" -a "$old_pfx" != "${upstream}" ] 196then 197 git config --remove-section "remote.${old_pfx}" 198fi 199 200git config --unset-all "remote.${upstream}.fetch" "refs/users/${remote_id}/" 201git config --unset-all "remote.${upstream}.push" "refs/users/${remote_id}/" 202 203git fetch "users/${new_pfx}" 204