Mercurial > hg > CbC > CbC_gcc
comparison contrib/gcc-git-customization.sh @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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131:84e7813d76e9 | 145:1830386684a0 |
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1 #!/bin/sh | |
2 | |
3 # Script to add some local git customizations suitable for working | |
4 # with the GCC git repository | |
5 | |
6 ask () { | |
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 | |
21 git 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 | |
25 git 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" | |
26 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]*\$,\\2,p;s,^\\(tags/\\)\\?basepoints/gcc-[0-9]\\+\$,0,p'); git rev-parse --verify \$h~\$(expr \$p - \$n); }; f" | |
27 | |
28 # Make diff on MD files use "(define" as a function marker. | |
29 # Use this in conjunction with a .gitattributes file containing | |
30 # *.md diff=md | |
31 git config diff.md.xfuncname '^\(define.*$' | |
32 | |
33 set_user=$(git config --get "user.name") | |
34 set_email=$(git config --get "user.email") | |
35 | |
36 if [ "x$set_user" = "x" ] | |
37 then | |
38 # Try to guess the user's name by looking it up in the password file | |
39 new_user=$(getent passwd $(whoami) | awk -F: '{ print $5 }') | |
40 if [ "x$new_user" = "x" ] | |
41 then | |
42 new_user="(no default)" | |
43 fi | |
44 else | |
45 new_user=$set_user | |
46 fi | |
47 ask "Your name" "${new_user}" new_user | |
48 if [ "x$new_user" = "x(no default)" ] | |
49 then | |
50 echo "Cannot continue, git needs to record your name against commits" | |
51 exit 1 | |
52 fi | |
53 | |
54 if [ "x$set_email" = "x" ] | |
55 then | |
56 new_email="(no_default)" | |
57 else | |
58 new_email=$set_email | |
59 fi | |
60 | |
61 ask "Your email address (for git commits)" "${new_email}" new_email | |
62 if [ "x$new_email" = "x(no default)" ] | |
63 then | |
64 echo "Cannot continue, git needs to record your email address against commits" | |
65 exit 1 | |
66 fi | |
67 | |
68 if [ "x$set_user" != "x$new_user" ] | |
69 then | |
70 git config "user.name" "$new_user" | |
71 fi | |
72 | |
73 if [ "x$set_email" != "x$new_email" ] | |
74 then | |
75 git config "user.email" "$new_email" | |
76 fi | |
77 | |
78 upstream=$(git config --get "gcc-config.upstream") | |
79 if [ "x$upstream" = "x" ] | |
80 then | |
81 upstream="origin" | |
82 fi | |
83 ask "Local name for upstream repository" "origin" upstream | |
84 | |
85 v=$(git config --get-all "remote.${upstream}.fetch") | |
86 if [ "x$v" = "x" ] | |
87 then | |
88 echo "Remote $upstream does not seem to exist as a remote" | |
89 exit 1 | |
90 fi | |
91 git config "gcc-config.upstream" "$upstream" | |
92 | |
93 remote_id=$(git config --get "gcc-config.user") | |
94 if [ "x$remote_id" = "x" ] | |
95 then | |
96 # See if the url specifies the remote user name. | |
97 url=$(git config --get "remote.$upstream.url") | |
98 if [ "x$url" = "x" ] | |
99 then | |
100 # This is a pure guess, but for many people it might be OK. | |
101 remote_id=$(whoami) | |
102 else | |
103 remote_id=$(echo $url | sed -r "s|^.*ssh://(.+)@gcc.gnu.org.*$|\1|") | |
104 if [ x$remote_id = x$url ] | |
105 then | |
106 remote_id=$(whoami) | |
107 fi | |
108 fi | |
109 fi | |
110 | |
111 ask "Account name on gcc.gnu.org (for your personal branches area)" $remote_id remote_id | |
112 git config "gcc-config.user" "$remote_id" | |
113 | |
114 old_pfx=$(git config --get "gcc-config.userpfx") | |
115 if [ "x$old_pfx" = "x" ] | |
116 then | |
117 old_pfx="me" | |
118 fi | |
119 echo | |
120 echo "Local branch prefix for personal branches you want to share" | |
121 echo "(local branches starting <prefix>/ can be pushed directly to your" | |
122 ask "personal area on the gcc server)" $old_pfx new_pfx | |
123 git config "gcc-config.userpfx" "$new_pfx" | |
124 | |
125 # Scan the existing settings to see if there are any we need to rewrite. | |
126 vendors=$(git config --get-all "remote.${upstream}.fetch" "refs/vendors/" | sed -r "s:.*refs/vendors/([^/]+)/.*:\1:" | sort | uniq) | |
127 url=$(git config --get "remote.${upstream}.url") | |
128 pushurl=$(git config --get "remote.${upstream}.pushurl") | |
129 for v in $vendors | |
130 do | |
131 echo "Migrating vendor \"$v\" to new remote \"vendors/$v\"" | |
132 git config --unset-all "remote.${upstream}.fetch" "refs/vendors/$v/" | |
133 git config --unset-all "remote.${upstream}.push" "refs/vendors/$v/" | |
134 git config "remote.vendors/${v}.url" "${url}" | |
135 if [ "x$pushurl" != "x" ] | |
136 then | |
137 git config "remote.vendors/${v}.pushurl" "${pushurl}" | |
138 fi | |
139 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/heads/*:refs/remotes/vendors/${v}/*" | |
140 git config --add "remote.vendors/${v}.fetch" "+refs/vendors/$v/tags/*:refs/tags/vendors/${v}/*" | |
141 done | |
142 | |
143 # Convert the remote 'pfx' to users/pfx to avoid problems with ambiguous refs | |
144 # on user branches | |
145 old_remote=$(git config --get "remote.${old_pfx}.url") | |
146 if [ -n "${old_remote}" ] | |
147 then | |
148 echo "Migrating remote \"${old_pfx}\" to new remote \"users/${new_pfx}\"" | |
149 # Create a dummy fetch rule that will cause the subsequent prune to remove the old remote refs. | |
150 git config --replace-all "remote.${old_pfx}.fetch" "+refs/empty/*:refs/remotes/${old_pfx}/*" | |
151 # Remove any remotes | |
152 git remote prune ${old_pfx} | |
153 git config --remove-section "remote.${old_pfx}" | |
154 for br in $(git branch --list "${old_pfx}/*") | |
155 do | |
156 old_remote=$(git config --get "branch.${br}.remote") | |
157 if [ "${old_remote}" = "${old_pfx}" ] | |
158 then | |
159 git config "branch.${br}.remote" "users/${new_pfx}" | |
160 fi | |
161 done | |
162 fi | |
163 | |
164 echo "Setting up tracking for personal namespace $remote_id in remotes/users/${new_pfx}" | |
165 git config "remote.users/${new_pfx}.url" "${url}" | |
166 if [ "x$pushurl" != "x" ] | |
167 then | |
168 git config "remote.users/${new_pfx}.pushurl" "${pushurl}" | |
169 fi | |
170 git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/heads/*:refs/remotes/users/${new_pfx}/*" "refs/users/${remote_id}/heads/" | |
171 git config --replace-all "remote.users/${new_pfx}.fetch" "+refs/users/${remote_id}/tags/*:refs/tags/users/${new_pfx}/*" "refs/users/${remote_id}/tags/" | |
172 git config --replace-all "remote.users/${new_pfx}.push" "refs/heads/${new_pfx}/*:refs/users/${remote_id}/heads/*" "refs/users/${remote_id}" | |
173 | |
174 if [ "$old_pfx" != "$new_pfx" -a "$old_pfx" != "${upstream}" ] | |
175 then | |
176 git config --remove-section "remote.${old_pfx}" | |
177 fi | |
178 | |
179 git config --unset-all "remote.${upstream}.fetch" "refs/users/${remote_id}/" | |
180 git config --unset-all "remote.${upstream}.push" "refs/users/${remote_id}/" | |
181 | |
182 git fetch "users/${new_pfx}" |