e61074228d
Originally, it seemed like a good idea to add automatic 'push' rules to the git configuration, so that personal- and vendor-space commits would automatically push to the right place. Unfortunately, this changes git's behaviour and with these settings "git push" will try to push all branches in a local tree up to the corresponding location on the server (ignoring the push.default setting). The only known mitigation for this is to ALWAYS use "git push <server> <branch>". So instead, we no-longer add those rules by default and will document the options on the wiki. We don't automatically remove the push entries but do print out the command that will do so, if the user so wishes. * gcc-git-customization.sh: Explain why we want the user's upstream account name. Don't add push rules. Check if push rules have been added and suggest that they should be removed. * git-fetch-vendor.sh: Don't add push rules.
90 lines
4.0 KiB
Bash
Executable File
90 lines
4.0 KiB
Bash
Executable File
#!/bin/sh
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# Script to add some local git customizations suitable for working
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# with the GCC git repository
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ask () {
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question=$1
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default=$2
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var=$3
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echo -n $question "["$default"]? "
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read answer
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if [ "x$answer" = "x" ]
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then
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eval $var=$default
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else
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eval $var=$answer
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fi
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}
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# Add a git command to find the git commit equivalent to legacy SVN revision NNN
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git config alias.svn-rev '!f() { rev=$1; shift; git log --all --grep="From-SVN: r\\?$rev\\b" "${@}"; } ; f'
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# Add git commands to convert git commit to monotonically increasing revision number
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# and vice versa
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git config alias.gcc-descr \!"f() { if test \${1:-no} = --full; then r=\$(git describe --all --abbrev=40 --match 'basepoints/gcc-[0-9]*' \${2:-master} | 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}); test -n \$r && echo \${r}; else git describe --all --match 'basepoints/gcc-[0-9]*' \${1:-master} | sed -n 's,^tags/basepoints/gcc-\\([0-9]\\+\\)-\\([0-9]\\+\\)-g[0-9a-f]*\$,r\\1-\\2,p;s,^tags/basepoints/gcc-\\([0-9]\\+\\)\$,r\\1-0,p'; fi; }; f"
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git 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]*\$,\\1,p;s,^tags/basepoints/gcc-[0-9]\\+\$,0,p'); git rev-parse --verify \$h~\$(expr \$p - \$n); }; f"
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# Make diff on MD files uses "(define" as a function marker.
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# Use this in conjunction with a .gitattributes file containing
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# *.md diff=md
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git config diff.md.xfuncname '^\(define.*$'
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upstream=`git config --get "gcc-config.upstream"`
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if [ "x$upstream" = "x" ]
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then
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upstream="origin"
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fi
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ask "Local name for upstream repository" "origin" upstream
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git config "gcc-config.upstream" "$upstream"
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remote_id=`git config --get "gcc-config.user"`
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if [ "x$remote_id" = "x" ]
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then
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# See if the url specifies the remote user name.
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url=`git config --get "remote.$upstream.url"`
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if [ "x$url" = "x" ]
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then
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# This is a pure guess, but for many people it might be OK.
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remote_id=`whoami`
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else
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remote_id=`echo $url | sed -r "s|^.*ssh://(.+)@gcc.gnu.org.*$|\1|"`
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if [ x$remote_id = x$url ]
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then
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remote_id=`whoami`
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fi
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fi
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fi
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ask "Account name on gcc.gnu.org (for your personal branches area)" $remote_id remote_id
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git config "gcc-config.user" "$remote_id"
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old_pfx=`git config --get "gcc-config.userpfx"`
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if [ "x$old_pfx" = "x" ]
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then
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old_pfx="me"
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fi
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echo "Local branch prefix for personal branches you want to share"
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echo "(local branches starting <prefix>/ can be pushed directly to your"
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ask "personal area on the gcc server)" $old_pfx new_pfx
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git config "gcc-config.userpfx" "$new_pfx"
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echo "Setting up tracking for personal namespace $remote_id in remotes/$upstream/${new_pfx}"
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git config --replace-all "remote.${upstream}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/${upstream}/${new_pfx}/*" ":refs/remotes/${upstream}/${old_pfx}/"
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git config --replace-all "remote.${upstream}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/${new_pfx}/*" ":refs/tags/${old_pfx}/"
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push_rule=`git config --get "remote.${upstream}.push"`
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if [ "x$push_rule" != "x" ]
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then
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echo "***********************************************"
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echo " Warning"
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echo "***********************************************"
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echo
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echo "Old versions of this script used to add custom push"
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echo "rules to simplify pushing to personal branches."
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echo "Your configuration contains such rules, but we no-longer"
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echo "recommend doing this."
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echo
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echo "To delete these rules run:"
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echo " git config --unset-all \"remote.${upstream}.push\""
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fi
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