hooks--update: Explicitly check for all zeros for a deleted ref.
[git] / git-quiltimport.sh
1 #!/bin/sh
2 USAGE='--dry-run --author <author> --patches </path/to/quilt/patch/directory>'
3 SUBDIRECTORY_ON=Yes
4 . git-sh-setup
5
6 dry_run=""
7 quilt_author=""
8 while case "$#" in 0) break;; esac
9 do
10         case "$1" in
11         --au=*|--aut=*|--auth=*|--autho=*|--author=*)
12                 quilt_author=$(expr "z$1" : 'z-[^=]*\(.*\)')
13                 shift
14                 ;;
15
16         --au|--aut|--auth|--autho|--author)
17                 case "$#" in 1) usage ;; esac
18                 shift
19                 quilt_author="$1"
20                 shift
21                 ;;
22
23         --dry-run)
24                 shift
25                 dry_run=1
26                 ;;
27
28         --pa=*|--pat=*|--patc=*|--patch=*|--patche=*|--patches=*)
29                 QUILT_PATCHES=$(expr "z$1" : 'z-[^=]*\(.*\)')
30                 shift
31                 ;;
32
33         --pa|--pat|--patc|--patch|--patche|--patches)
34                 case "$#" in 1) usage ;; esac
35                 shift
36                 QUILT_PATCHES="$1"
37                 shift
38                 ;;
39
40         *)
41                 break
42                 ;;
43         esac
44 done
45
46 # Quilt Author
47 if [ -n "$quilt_author" ] ; then
48         quilt_author_name=$(expr "z$quilt_author" : 'z\(.*[^ ]\) *<.*') &&
49         quilt_author_email=$(expr "z$quilt_author" : '.*<\([^>]*\)') &&
50         test '' != "$quilt_author_name" &&
51         test '' != "$quilt_author_email" ||
52         die "malformed --author parameter"
53 fi
54
55 # Quilt patch directory
56 : ${QUILT_PATCHES:=patches}
57 if ! [ -d "$QUILT_PATCHES" ] ; then
58         echo "The \"$QUILT_PATCHES\" directory does not exist."
59         exit 1
60 fi
61
62 # Temporary directories
63 tmp_dir=.dotest
64 tmp_msg="$tmp_dir/msg"
65 tmp_patch="$tmp_dir/patch"
66 tmp_info="$tmp_dir/info"
67
68
69 # Find the intial commit
70 commit=$(git rev-parse HEAD)
71
72 mkdir $tmp_dir || exit 2
73 for patch_name in $(grep -v '^#' < "$QUILT_PATCHES/series" ); do
74         echo $patch_name
75         git mailinfo "$tmp_msg" "$tmp_patch" \
76                 <"$QUILT_PATCHES/$patch_name" >"$tmp_info" || exit 3
77         test -s "$tmp_patch" || {
78                 echo "Patch is empty.  Was it split wrong?"
79                 exit 1
80         }
81
82         # Parse the author information
83         export GIT_AUTHOR_NAME=$(sed -ne 's/Author: //p' "$tmp_info")
84         export GIT_AUTHOR_EMAIL=$(sed -ne 's/Email: //p' "$tmp_info")
85         while test -z "$GIT_AUTHOR_EMAIL" && test -z "$GIT_AUTHOR_NAME" ; do
86                 if [ -n "$quilt_author" ] ; then
87                         GIT_AUTHOR_NAME="$quilt_author_name";
88                         GIT_AUTHOR_EMAIL="$quilt_author_email";
89                 elif [ -n "$dry_run" ]; then
90                         echo "No author found in $patch_name" >&2;
91                         GIT_AUTHOR_NAME="dry-run-not-found";
92                         GIT_AUTHOR_EMAIL="dry-run-not-found";
93                 else
94                         echo "No author found in $patch_name" >&2;
95                         echo "---"
96                         cat $tmp_msg
97                         printf "Author: ";
98                         read patch_author
99
100                         echo "$patch_author"
101
102                         patch_author_name=$(expr "z$patch_author" : 'z\(.*[^ ]\) *<.*') &&
103                         patch_author_email=$(expr "z$patch_author" : '.*<\([^>]*\)') &&
104                         test '' != "$patch_author_name" &&
105                         test '' != "$patch_author_email" &&
106                         GIT_AUTHOR_NAME="$patch_author_name" &&
107                         GIT_AUTHOR_EMAIL="$patch_author_email"
108                 fi
109         done
110         export GIT_AUTHOR_DATE=$(sed -ne 's/Date: //p' "$tmp_info")
111         export SUBJECT=$(sed -ne 's/Subject: //p' "$tmp_info")
112         if [ -z "$SUBJECT" ] ; then
113                 SUBJECT=$(echo $patch_name | sed -e 's/.patch$//')
114         fi
115
116         if [ -z "$dry_run" ] ; then
117                 git apply --index -C1 "$tmp_patch" &&
118                 tree=$(git write-tree) &&
119                 commit=$( (echo "$SUBJECT"; echo; cat "$tmp_msg") | git commit-tree $tree -p $commit) &&
120                 git update-ref -m "quiltimport: $patch_name" HEAD $commit || exit 4
121         fi
122 done
123 rm -rf $tmp_dir || exit 5