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() { if test \${1:-no} = --full; then c=\${2:-master}; r=\$(git describe --all --abbrev=40 --match 'basepoints/gcc-[0-9]*' \$c | sed -n 's,^\\(tags/\\)\\?basepoints/gcc-,r,p'); expr match \${r:-no} '^r[0-9]\\+\$' >/dev/null && r=\${r}-0-g\$(git rev-parse \${2:-master}); else c=\${1:-master}; r=\$(git describe --all --match 'basepoints/gcc-[0-9]*' \$c | sed -n 's,^\\(tags/\\)\\?basepoints/gcc-\\([0-9]\\+\\)-\\([0-9]\\+\\)-g[0-9a-f]*\$,r\\2-\\3,p;s,^\\(tags/\\)\\?basepoints/gcc-\\([0-9]\\+\\)\$,r\\2-0,p'); fi; if test -n \$r; then o=\$(git config --get gcc-config.upstream); rr=\$(echo \$r | sed -n 's,^r\\([0-9]\\+\\)-[0-9]\\+\\(-g[0-9a-f]\\+\\)\\?\$,\\1,p'); if git rev-parse --verify --quiet \${o:-origin}/releases/gcc-\$rr >/dev/null; then m=releases/gcc-\$rr; else m=master; fi; git merge-base --is-ancestor \$c \${o:-origin}/\$m && \echo \${r}; fi; }; f" 26git config alias.gcc-undescr \!"f() { o=\$(git config --get gcc-config.upstream); r=\$(echo \$1 | sed -n 's,^r\\([0-9]\\+\\)-[0-9]\\+\$,\\1,p'); n=\$(echo \$1 | sed -n 's,^r[0-9]\\+-\\([0-9]\\+\\)\$,\\1,p'); test -z \$r && echo Invalid id \$1 && exit 1; h=\$(git rev-parse --verify --quiet \${o:-origin}/releases/gcc-\$r); test -z \$h && h=\$(git rev-parse --verify --quiet \${o:-origin}/master); p=\$(git describe --all --match 'basepoints/gcc-'\$r \$h | sed -n 's,^\\(tags/\\)\\?basepoints/gcc-[0-9]\\+-\\([0-9]\\+\\)-g[0-9a-f]*\$,\\2,p;s,^\\(tags/\\)\\?basepoints/gcc-[0-9]\\+\$,0,p'); git rev-parse --verify \$h~\$(expr \$p - \$n); }; 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-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/mklog.py" $@; } ; f' 31git config alias.gcc-commit-mklog '!f() { "`git rev-parse --show-toplevel`/contrib/git-commit-mklog.py" $@; }; f' 32 33# Make diff on MD files use "(define" as a function marker. 34# Use this in conjunction with a .gitattributes file containing 35# *.md diff=md 36git config diff.md.xfuncname '^\(define.*$' 37 38# Tell git send-email where patches go. 39# ??? Maybe also set sendemail.tocmd to guess from MAINTAINERS? 40git config sendemail.to 'gcc-patches@gcc.gnu.org' 41 42set_user=$(git config --get "user.name") 43set_email=$(git config --get "user.email") 44 45if [ "x$set_user" = "x" ] 46then 47 # Try to guess the user's name by looking it up in the password file 48 new_user=$(getent passwd $(whoami) | awk -F: '{ print $5 }') 49 if [ "x$new_user" = "x" ] 50 then 51 new_user="(no default)" 52 fi 53else 54 new_user=$set_user 55fi 56ask "Your name" "${new_user}" new_user 57if [ "x$new_user" = "x(no default)" ] 58then 59 echo "Cannot continue, git needs to record your name against commits" 60 exit 1 61fi 62 63if [ "x$set_email" = "x" ] 64then 65 new_email="(no_default)" 66else 67 new_email=$set_email 68fi 69 70ask "Your email address (for git commits)" "${new_email}" new_email 71if [ "x$new_email" = "x(no default)" ] 72then 73 echo "Cannot continue, git needs to record your email address against commits" 74 exit 1 75fi 76 77if [ "x$set_user" != "x$new_user" ] 78then 79 git config "user.name" "$new_user" 80fi 81 82if [ "x$set_email" != "x$new_email" ] 83then 84 git config "user.email" "$new_email" 85fi 86 87upstream=$(git config --get "gcc-config.upstream") 88if [ "x$upstream" = "x" ] 89then 90 upstream="origin" 91fi 92ask "Local name for upstream repository" "origin" upstream 93 94v=$(git config --get-all "remote.${upstream}.fetch") 95if [ "x$v" = "x" ] 96then 97 echo "Remote $upstream does not seem to exist as a remote" 98 exit 1 99fi 100git config "gcc-config.upstream" "$upstream" 101 102remote_id=$(git config --get "gcc-config.user") 103if [ "x$remote_id" = "x" ] 104then 105 # See if the url specifies the remote user name. 106 url=$(git config --get "remote.$upstream.url") 107 if [ "x$url" = "x" ] 108 then 109 # This is a pure guess, but for many people it might be OK. 110 remote_id=$(whoami) 111 else 112 remote_id=$(echo $url | sed -r "s|^.*ssh://(.+)@gcc.gnu.org.*$|\1|") 113 if [ x$remote_id = x$url ] 114 then 115 remote_id=$(whoami) 116 fi 117 fi 118fi 119 120ask "Account name on gcc.gnu.org (for your personal branches area)" $remote_id remote_id 121git config "gcc-config.user" "$remote_id" 122 123old_pfx=$(git config --get "gcc-config.userpfx") 124if [ "x$old_pfx" = "x" ] 125then 126 old_pfx="me" 127fi 128echo 129echo "Local branch prefix for personal branches you want to share" 130echo "(local branches starting <prefix>/ can be pushed directly to your" 131ask "personal area on the gcc server)" $old_pfx new_pfx 132git config "gcc-config.userpfx" "$new_pfx" 133 134echo 135ask "Install prepare-commit-msg git hook for 'git commit-mklog' alias" yes dohook 136if [ "x$dohook" = xyes ]; then 137 hookdir=`git rev-parse --git-path hooks` 138 if [ -f "$hookdir/prepare-commit-msg" ]; then 139 echo " Moving existing prepare-commit-msg hook to prepare-commit-msg.bak" 140 mv "$hookdir/prepare-commit-msg" "$hookdir/prepare-commit-msg.bak" 141 fi 142 install -c "`git rev-parse --show-toplevel`/contrib/prepare-commit-msg" "$hookdir" 143fi 144 145# Scan the existing settings to see if there are any we need to rewrite. 146vendors=$(git config --get-all "remote.${upstream}.fetch" "refs/vendors/" | sed -r "s:.*refs/vendors/([^/]+)/.*:\1:" | sort | uniq) 147url=$(git config --get "remote.${upstream}.url") 148pushurl=$(git config --get "remote.${upstream}.pushurl") 149for v in $vendors 150do 151 echo "Migrating vendor \"$v\" to new remote \"vendors/$v\"" 152 git config --unset-all "remote.${upstream}.fetch" "refs/vendors/$v/" 153 git config --unset-all "remote.${upstream}.push" "refs/vendors/$v/" 154 git config "remote.vendors/${v}.url" "${url}" 155 if [ "x$pushurl" != "x" ] 156 then 157 git config "remote.vendors/${v}.pushurl" "${pushurl}" 158 fi 159 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/heads/*:refs/remotes/vendors/${v}/*" 160 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/tags/*:refs/tags/vendors/${v}/*" 161done 162 163# Convert the remote 'pfx' to users/pfx to avoid problems with ambiguous refs 164# on user branches 165old_remote=$(git config --get "remote.${old_pfx}.url") 166if [ -n "${old_remote}" ] 167then 168 echo "Migrating remote \"${old_pfx}\" to new remote \"users/${new_pfx}\"" 169 # Create a dummy fetch rule that will cause the subsequent prune to remove the old remote refs. 170 git config --replace-all "remote.${old_pfx}.fetch" "+refs/empty/*:refs/remotes/${old_pfx}/*" 171 # Remove any remotes 172 git remote prune ${old_pfx} 173 git config --remove-section "remote.${old_pfx}" 174 for br in $(git branch --list "${old_pfx}/*") 175 do 176 old_remote=$(git config --get "branch.${br}.remote") 177 if [ "${old_remote}" = "${old_pfx}" ] 178 then 179 git config "branch.${br}.remote" "users/${new_pfx}" 180 fi 181 done 182fi 183 184echo "Setting up tracking for personal namespace $remote_id in remotes/users/${new_pfx}" 185git config "remote.users/${new_pfx}.url" "${url}" 186if [ "x$pushurl" != "x" ] 187then 188 git config "remote.users/${new_pfx}.pushurl" "${pushurl}" 189fi 190git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/users/${new_pfx}/*" "refs/users/${remote_id}/heads/" 191git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/users/${new_pfx}/*" "refs/users/${remote_id}/tags/" 192git config --replace-all "remote.users/${new_pfx}.push" "refs/heads/${new_pfx}/*:refs/users/${remote_id}/heads/*" "refs/users/${remote_id}" 193 194if [ "$old_pfx" != "$new_pfx" -a "$old_pfx" != "${upstream}" ] 195then 196 git config --remove-section "remote.${old_pfx}" 197fi 198 199git config --unset-all "remote.${upstream}.fetch" "refs/users/${remote_id}/" 200git config --unset-all "remote.${upstream}.push" "refs/users/${remote_id}/" 201 202git fetch "users/${new_pfx}" 203