CodingGuidelines: mention C whitespace rules
[git] / git-quiltimport.sh
1 #!/bin/sh
2 OPTIONS_KEEPDASHDASH=
3 OPTIONS_SPEC="\
4 git quiltimport [options]
5 --
6 n,dry-run     dry run
7 author=       author name and email address for patches without any
8 patches=      path to the quilt series and patches
9 "
10 SUBDIRECTORY_ON=Yes
11 . git-sh-setup
12
13 dry_run=""
14 quilt_author=""
15 while test $# != 0
16 do
17         case "$1" in
18         --author)
19                 shift
20                 quilt_author="$1"
21                 ;;
22         -n|--dry-run)
23                 dry_run=1
24                 ;;
25         --patches)
26                 shift
27                 QUILT_PATCHES="$1"
28                 ;;
29         --)
30                 shift
31                 break;;
32         *)
33                 usage
34                 ;;
35         esac
36         shift
37 done
38
39 # Quilt Author
40 if [ -n "$quilt_author" ] ; then
41         quilt_author_name=$(expr "z$quilt_author" : 'z\(.*[^ ]\) *<.*') &&
42         quilt_author_email=$(expr "z$quilt_author" : '.*<\([^>]*\)') &&
43         test '' != "$quilt_author_name" &&
44         test '' != "$quilt_author_email" ||
45         die "malformed --author parameter"
46 fi
47
48 # Quilt patch directory
49 : ${QUILT_PATCHES:=patches}
50 if ! [ -d "$QUILT_PATCHES" ] ; then
51         echo "The \"$QUILT_PATCHES\" directory does not exist."
52         exit 1
53 fi
54
55 # Temporary directories
56 tmp_dir="$GIT_DIR"/rebase-apply
57 tmp_msg="$tmp_dir/msg"
58 tmp_patch="$tmp_dir/patch"
59 tmp_info="$tmp_dir/info"
60
61
62 # Find the initial commit
63 commit=$(git rev-parse HEAD)
64
65 mkdir $tmp_dir || exit 2
66 while read patch_name level garbage <&3
67 do
68         case "$patch_name" in ''|'#'*) continue;; esac
69         case "$level" in
70         -p*)    ;;
71         ''|'#'*)
72                 level=;;
73         *)
74                 echo "unable to parse patch level, ignoring it."
75                 level=;;
76         esac
77         case "$garbage" in
78         ''|'#'*);;
79         *)
80                 echo "trailing garbage found in series file: $garbage"
81                 exit 1;;
82         esac
83         if ! [ -f "$QUILT_PATCHES/$patch_name" ] ; then
84                 echo "$patch_name doesn't exist. Skipping."
85                 continue
86         fi
87         echo $patch_name
88         git mailinfo "$tmp_msg" "$tmp_patch" \
89                 <"$QUILT_PATCHES/$patch_name" >"$tmp_info" || exit 3
90         test -s "$tmp_patch" || {
91                 echo "Patch is empty.  Was it split wrong?"
92                 exit 1
93         }
94
95         # Parse the author information
96         GIT_AUTHOR_NAME=$(sed -ne 's/Author: //p' "$tmp_info")
97         GIT_AUTHOR_EMAIL=$(sed -ne 's/Email: //p' "$tmp_info")
98         export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
99         while test -z "$GIT_AUTHOR_EMAIL" && test -z "$GIT_AUTHOR_NAME" ; do
100                 if [ -n "$quilt_author" ] ; then
101                         GIT_AUTHOR_NAME="$quilt_author_name";
102                         GIT_AUTHOR_EMAIL="$quilt_author_email";
103                 elif [ -n "$dry_run" ]; then
104                         echo "No author found in $patch_name" >&2;
105                         GIT_AUTHOR_NAME="dry-run-not-found";
106                         GIT_AUTHOR_EMAIL="dry-run-not-found";
107                 else
108                         echo "No author found in $patch_name" >&2;
109                         echo "---"
110                         cat $tmp_msg
111                         printf "Author: ";
112                         read patch_author
113
114                         echo "$patch_author"
115
116                         patch_author_name=$(expr "z$patch_author" : 'z\(.*[^ ]\) *<.*') &&
117                         patch_author_email=$(expr "z$patch_author" : '.*<\([^>]*\)') &&
118                         test '' != "$patch_author_name" &&
119                         test '' != "$patch_author_email" &&
120                         GIT_AUTHOR_NAME="$patch_author_name" &&
121                         GIT_AUTHOR_EMAIL="$patch_author_email"
122                 fi
123         done
124         GIT_AUTHOR_DATE=$(sed -ne 's/Date: //p' "$tmp_info")
125         SUBJECT=$(sed -ne 's/Subject: //p' "$tmp_info")
126         export GIT_AUTHOR_DATE SUBJECT
127         if [ -z "$SUBJECT" ] ; then
128                 SUBJECT=$(echo $patch_name | sed -e 's/.patch$//')
129         fi
130
131         if [ -z "$dry_run" ] ; then
132                 git apply --index -C1 ${level:+"$level"} "$tmp_patch" &&
133                 tree=$(git write-tree) &&
134                 commit=$( (echo "$SUBJECT"; echo; cat "$tmp_msg") | git commit-tree $tree -p $commit) &&
135                 git update-ref -m "quiltimport: $patch_name" HEAD $commit || exit 4
136         fi
137 done 3<"$QUILT_PATCHES/series"
138 rm -rf $tmp_dir || exit 5