forked from pool/patch
93 lines
3.2 KiB
Diff
93 lines
3.2 KiB
Diff
From: Andreas Gruenbacher <agruen@suse.de>
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Subject: diff3-style merges: add file labels
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Add a --label=LABEL option for overriding the labels in the diff3-style
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format. The option can be given up to three times for overriding the
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old, new, and output filename.
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
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---
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patch.c | 19 +++++++++++++++----
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1 file changed, 15 insertions(+), 4 deletions(-)
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Index: b/patch.c
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===================================================================
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--- a/patch.c
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+++ b/patch.c
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@@ -82,6 +82,7 @@ static void usage (FILE *, int) __attrib
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enum mergetype { SHOW_ALL = 1, SHOW_FUZZ = 2, MERGE_REJECTS = 4 };
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static enum mergetype mergetype;
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+const char *file_label[2];
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static bool make_backups;
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static bool backup_if_mismatch;
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static char const *version_control;
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@@ -538,7 +539,7 @@ reinitialize_almost_everything (void)
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skip_rest_of_patch = false;
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}
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-static char const shortopts[] = "bB:cd:D:eEfF:g:i:lMnNo:p:r:RstTuvV:x:Y:z:Z";
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+static char const shortopts[] = "bB:cd:D:eEfF:g:i:lL:MnNo:p:r:RstTuvV:x:Y:z:Z";
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static struct option const longopts[] =
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{
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{"backup", no_argument, NULL, 'b'},
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@@ -553,6 +554,7 @@ static struct option const longopts[] =
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{"get", no_argument, NULL, 'g'},
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{"input", required_argument, NULL, 'i'},
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{"ignore-whitespace", no_argument, NULL, 'l'},
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+ {"label", required_argument, NULL, 'L'},
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{"normal", no_argument, NULL, 'n'},
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{"forward", no_argument, NULL, 'N'},
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{"output", required_argument, NULL, 'o'},
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@@ -609,6 +611,7 @@ static char const *const option_help[] =
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"",
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" -D NAME --ifdef=NAME Make merged if-then-else output using NAME.",
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" --merge={rejects,fuzz,all} Produce a diff3-style merge.",
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+" -L LABEL --label=LABEL Use LABEL instead of file name in merge.",
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" -E --remove-empty-files Remove output files that are empty after patching.",
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"",
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" -Z --set-utc Set times of patched files, assuming diff uses UTC (GMT).",
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@@ -747,6 +750,14 @@ get_some_switches (void)
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case 'l':
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canonicalize = true;
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break;
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+ case 'L':
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+ if (!file_label[0])
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+ file_label[0] = optarg;
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+ else if (!file_label[1])
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+ file_label[1] = optarg;
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+ else
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+ fatal ("too many file label options");
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+ break;
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case 'M':
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mergetype |= MERGE_REJECTS;
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break;
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@@ -1411,7 +1422,7 @@ static bool merge_hunk (struct outstate
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}
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/* "From" lines in the patch */
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- name = pch_name(OLD);
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+ name = file_label[OLD] ? file_label[OLD] : pch_name(OLD);
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if (!name)
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name = "";
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fprintf(fp, outstate->after_newline + "\n<<<<<<<%*s\n",
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@@ -1426,7 +1437,7 @@ static bool merge_hunk (struct outstate
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if (fuzz) {
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/* "To" lines in the patch */
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- name = pch_name(NEW);
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+ name = file_label[NEW] ? file_label[NEW] : pch_name(NEW);
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if (!name)
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name = "";
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fprintf(fp, outstate->after_newline + "\n|||||||%*s\n",
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@@ -1453,7 +1464,7 @@ static bool merge_hunk (struct outstate
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/* If the merge result and the new file are the same, label the merge
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result with the new file's name. */
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- name = fuzz ? NULL : pch_name(NEW);
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+ name = fuzz ? NULL : (file_label[NEW] ? file_label[NEW] : pch_name(NEW));
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if (!name)
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name = "";
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fprintf(fp, outstate->after_newline + "\n>>>>>>>%*s\n",
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